http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/Bpel4RestLightUtil.java
----------------------------------------------------------------------
diff --git 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/Bpel4RestLightUtil.java
 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/Bpel4RestLightUtil.java
index 37c3386..ca56a15 100644
--- 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/Bpel4RestLightUtil.java
+++ 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/Bpel4RestLightUtil.java
@@ -1,20 +1,16 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.extension.bpel4restlight;
 
@@ -33,263 +29,253 @@ import org.w3c.dom.Node;
 import org.xml.sax.SAXException;
 
 /**
- * This class provides some utility methods for the BPEL REST extension
- * activities.
+ * This class provides some utility methods for the BPEL REST extension 
activities.
  * 
  * @author Michael Hahn ([email protected])
  * 
  */
 public class Bpel4RestLightUtil {
 
-       private static final String VARIABLE_VALUE_REFERENCE = "$bpelvar[";
-
-       /**
-        * This method extracts the request message payload from the provided 
extension
-        * activity. This request payload is either provided through a 
specified BPEL
-        * variable ('request' attribute) or statically defined within the 
process model
-        * as the child node of the extension activity.
-        * 
-        * @param context
-        *            The extension context required to resolve variable values
-        * @param element
-        *            The extension activity DOM element containing the request 
payload
-        * @return The request message payload
-        * 
-        * @throws FaultException
-        */
-       public static String extractRequestPayload(ExtensionContext context, 
Element element) throws FaultException {
-               String requestPayload = null;
-
-               String requestPayloadVariableName = 
getMethodAttributeValue(context, element,
-                               MethodAttribute.REQUEST_PAYLOAD_VARIABLE);
-
-               // Check if a reference to a variable is specified
-               if (requestPayloadVariableName != null && 
!requestPayloadVariableName.isEmpty()) {
-                       // Get the request variable value
-                       Node requestVariableNode = 
context.readVariable(requestPayloadVariableName);
-
-                       // Check if the specified variable provides data
-                       if (requestVariableNode != null) {
-                               requestPayload = 
variableData2String(requestVariableNode);
-                       }
-               }
-
-               // If no variable was specified or the variable doesn't provide 
data, we check
-               // if a static request payload is specified as the child 
element of the
-               // extension activity
-               if (requestPayload == null) {
-                       Node request = DOMUtils.findChildByType(element, 
Node.ELEMENT_NODE);
-
-                       if (request != null) {
-                               requestPayload = DOMUtils.domToString(request);
-                       }
-               }
-
-               if (requestPayload == null) {
-                       throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
-                                       "REST extension activity does not 
specify any request payload.");
-               }
-
-               return requestPayload;
-       }
-
-       /**
-        * This method writes the response payload to a specified BPEL variable.
-        * 
-        * @param context
-        *            The extension context required to resolve a variable and 
write a
-        *            new value to it
-        * @param responsePayload
-        *            The payload of the response which will be written to the 
specified
-        *            variable
-        * @param processVariableName
-        *            The name of the variable to write to
-        * @throws FaultException
-        */
-       public static void writeResponsePayload(ExtensionContext context, 
Object responsePayload,
-                       String processVariableName) throws FaultException {
-               if (responsePayload != null && 
!responsePayload.toString().isEmpty()) {
-                       OScope.Variable bpelVariable = 
context.getVisibleVariables().get(processVariableName);
-
-                       // Create a new instance of the variables' type, to see 
if we need a wrapper
-                       Document doc = DOMUtils.newDocument();
-                       Node val = bpelVariable.getType().newInstance(doc);
-
-                       // Check if we need a temporary simple type wrapper
-                       if (val.getNodeType() == Node.TEXT_NODE) {
-                               // Create a wrapper element and add the 
response payload as text node
-                               Element tempwrapper = doc.createElementNS(null, 
"temporary-simple-type-wrapper");
-                               doc.appendChild(tempwrapper);
-                               tempwrapper.appendChild(val);
-
-                               // Set the response payload
-                               val.setTextContent(responsePayload.toString());
-
-                               // Return the wrapper element
-                               val = tempwrapper;
-                       } else {
-                               // Convert the structured XML response payload 
to DOM
-                               try {
-                                       val = 
DOMUtils.stringToDOM(responsePayload.toString());
-                               } catch (SAXException e) {
-                                       throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
-                                                       "BPEL4REST: Writing the 
response payload to BPEL variable '" + processVariableName
-                                                                       + "' 
caused an exception: " + e.getMessage(),
-                                                       e);
-                               } catch (IOException e) {
-                                       throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
-                                                       "BPEL4REST: Writing the 
response payload to BPEL variable '" + processVariableName
-                                                                       + "' 
caused an exception: " + e.getMessage(),
-                                                       e);
-                               }
-                       }
-
-                       // Write the variable value
-                       context.writeVariable(bpelVariable, val);
-               }
-       }
-
-       public static String extractAcceptHeader(ExtensionContext context, 
Element element) throws FaultException {
-               return getMethodAttributeValue(context, element, 
MethodAttribute.ACCEPT_HEADER);
-       }
-
-       /**
-        * This method extracts special predefined attributes (see
-        * {@link MethodAttribute}) from an extension activity. Therefore, 
references to
-        * a variable value via '$bpelVar[varName]' are also automatically 
resolved.
-        * 
-        * @param context
-        *            The extension context required to resolve variable values
-        * @param element
-        *            The extension activity DOM element containing the 
attribute value
-        * @param methodAttribute
-        *            Attribute whose content has to be returned
-        * @return The value of the attribute
-        * @throws FaultException
-        */
-       public static String getMethodAttributeValue(ExtensionContext context, 
Element element,
-                       MethodAttribute methodAttribute) throws FaultException {
-
-               String result = "";
-
-               switch (methodAttribute) {
-
-               case REQUEST_URI:
-                       result = element.getAttribute("uri");
-
-                       if (result == null || result.isEmpty()) {
-                               result = element.getAttribute("requestUri");
-                       } else {
-                               // Resolve a possible variable value reference
-                               result = resolveVariableValueReference(context, 
result);
-                       }
-
-                       break;
-               case REQUEST_PAYLOAD_VARIABLE:
-                       result = element.getAttribute("request");
-
-                       if (result == null || result.isEmpty()) {
-                               result = element.getAttribute("requestPayload");
-                       }
-                       break;
-               case RESPONSE_PAYLOAD_VARIABLE:
-                       result = element.getAttribute("response");
-
-                       if (result == null || result.isEmpty()) {
-                               result = 
element.getAttribute("responsePayload");
-                       }
-                       break;
-               case STATUS_CODE_VARIABLE:
-                       result = element.getAttribute("statusCode");
-                       break;
-               case ACCEPT_HEADER:
-                       result = element.getAttribute("accept");
-
-                       // Resolve a possible variable value reference
-                       if (result != null && !result.isEmpty()) {
-                               result = resolveVariableValueReference(context, 
result);
-                       }
-
-                       break;
-               }
-
-               return result;
-       }
-
-       /**
-        * Resolves references to variable values specified in an extension 
activity via
-        * '$bpelVar[varName]'.
-        * 
-        * @param context
-        *            The extension context to lookup and resolve variables and 
their
-        *            values.
-        * @param variableValueReference
-        *            A potential variable value reference.
-        * 
-        * @return If the 'variableValueReference' parameter contains a 
variable value
-        *         reference ($bpelVar[varName]), the actual value of the 
variable is
-        *         returned, else the provided parameter value is returned.
-        * @throws FaultException
-        */
-       public static String resolveVariableValueReference(ExtensionContext 
context, String variableValueReference)
-                       throws FaultException {
-               String variableValue = variableValueReference;
-
-               // Check if a concrete variable name ("varName") or a reference 
to the value of
-               // a variable
-               // is specified ("$bpelVar[varName]")
-               if 
(variableValueReference.startsWith(VARIABLE_VALUE_REFERENCE)) {
-                       String variableName = 
variableValueReference.substring(variableValueReference.indexOf("[") + 1,
-                                       variableValueReference.indexOf("]"));
-
-                       Variable variable = 
context.getVisibleVariables().get(variableName);
-
-                       // We only support simple type variables, therefore the 
value of the variable is
-                       // directly provided within a 
<temporary-simple-type-wrapper/> element.
-                       if (variable != null && 
isSimpleType(variable.getType())) {
-                               Node variableContent = 
context.readVariable(variableName);
-
-                               if (variableContent.getTextContent() != null) {
-                                       variableValue = 
variableContent.getTextContent();
-                               }
-                       } else {
-                               throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
-                                               "References to the value of a 
BPEL variable using '$bpelVar[varName]' only support simple type variables.");
-                       }
-               }
-
-               return variableValue;
-       }
-
-       public static String variableData2String(Node variableData) {
-               String result = null;
-
-               if (variableData != null) {
-                       if 
("temporary-simple-type-wrapper".equals(variableData.getLocalName())) {
-                               result = variableData.getTextContent();
-                       } else {
-                               result = DOMUtils.domToString(variableData);
-                       }
-               }
-
-               return result;
-       }
-
-       /**
-        * Checks if the type is a simple type or not.
-        * 
-        * @param type
-        *            to check
-        * 
-        * @return True, if the type is simple, False otherwise.
-        */
-       private static boolean isSimpleType(OVarType type) {
-               boolean result = false;
-
-               if (type instanceof OXsdTypeVarType) {
-                       result = ((OXsdTypeVarType) type).isSimple();
-               }
-
-               return result;
-       }
+    private static final String VARIABLE_VALUE_REFERENCE = "$bpelvar[";
+
+    /**
+     * This method extracts the request message payload from the provided 
extension activity. This
+     * request payload is either provided through a specified BPEL variable 
('request' attribute) or
+     * statically defined within the process model as the child node of the 
extension activity.
+     * 
+     * @param context The extension context required to resolve variable values
+     * @param element The extension activity DOM element containing the 
request payload
+     * @return The request message payload
+     * 
+     * @throws FaultException
+     */
+    public static String extractRequestPayload(ExtensionContext context, 
Element element)
+            throws FaultException {
+        String requestPayload = null;
+
+        String requestPayloadVariableName =
+                getMethodAttributeValue(context, element, 
MethodAttribute.REQUEST_PAYLOAD_VARIABLE);
+
+        // Check if a reference to a variable is specified
+        if (requestPayloadVariableName != null && 
!requestPayloadVariableName.isEmpty()) {
+            // Get the request variable value
+            Node requestVariableNode = 
context.readVariable(requestPayloadVariableName);
+
+            // Check if the specified variable provides data
+            if (requestVariableNode != null) {
+                requestPayload = variableData2String(requestVariableNode);
+            }
+        }
+
+        // If no variable was specified or the variable doesn't provide data, 
we check
+        // if a static request payload is specified as the child element of the
+        // extension activity
+        if (requestPayload == null) {
+            Node request = DOMUtils.findChildByType(element, 
Node.ELEMENT_NODE);
+
+            if (request != null) {
+                requestPayload = DOMUtils.domToString(request);
+            }
+        }
+
+        if (requestPayload == null) {
+            throw new FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
+                    "REST extension activity does not specify any request 
payload.");
+        }
+
+        return requestPayload;
+    }
+
+    /**
+     * This method writes the response payload to a specified BPEL variable.
+     * 
+     * @param context The extension context required to resolve a variable and 
write a new value to
+     *        it
+     * @param responsePayload The payload of the response which will be 
written to the specified
+     *        variable
+     * @param processVariableName The name of the variable to write to
+     * @throws FaultException
+     */
+    public static void writeResponsePayload(ExtensionContext context, Object 
responsePayload,
+            String processVariableName) throws FaultException {
+        if (responsePayload != null && !responsePayload.toString().isEmpty()) {
+            OScope.Variable bpelVariable = 
context.getVisibleVariables().get(processVariableName);
+
+            // Create a new instance of the variables' type, to see if we need 
a wrapper
+            Document doc = DOMUtils.newDocument();
+            Node val = bpelVariable.getType().newInstance(doc);
+
+            // Check if we need a temporary simple type wrapper
+            if (val.getNodeType() == Node.TEXT_NODE) {
+                // Create a wrapper element and add the response payload as 
text node
+                Element tempwrapper = doc.createElementNS(null, 
"temporary-simple-type-wrapper");
+                doc.appendChild(tempwrapper);
+                tempwrapper.appendChild(val);
+
+                // Set the response payload
+                val.setTextContent(responsePayload.toString());
+
+                // Return the wrapper element
+                val = tempwrapper;
+            } else {
+                // Convert the structured XML response payload to DOM
+                try {
+                    val = DOMUtils.stringToDOM(responsePayload.toString());
+                } catch (SAXException e) {
+                    throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
+                            "BPEL4REST: Writing the response payload to BPEL 
variable '"
+                                    + processVariableName + "' caused an 
exception: "
+                                    + e.getMessage(),
+                            e);
+                } catch (IOException e) {
+                    throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
+                            "BPEL4REST: Writing the response payload to BPEL 
variable '"
+                                    + processVariableName + "' caused an 
exception: "
+                                    + e.getMessage(),
+                            e);
+                }
+            }
+
+            // Write the variable value
+            context.writeVariable(bpelVariable, val);
+        }
+    }
+
+    public static String extractAcceptHeader(ExtensionContext context, Element 
element)
+            throws FaultException {
+        return getMethodAttributeValue(context, element, 
MethodAttribute.ACCEPT_HEADER);
+    }
+
+    /**
+     * This method extracts special predefined attributes (see {@link 
MethodAttribute}) from an
+     * extension activity. Therefore, references to a variable value via 
'$bpelVar[varName]' are
+     * also automatically resolved.
+     * 
+     * @param context The extension context required to resolve variable values
+     * @param element The extension activity DOM element containing the 
attribute value
+     * @param methodAttribute Attribute whose content has to be returned
+     * @return The value of the attribute
+     * @throws FaultException
+     */
+    public static String getMethodAttributeValue(ExtensionContext context, 
Element element,
+            MethodAttribute methodAttribute) throws FaultException {
+
+        String result = "";
+
+        switch (methodAttribute) {
+
+            case REQUEST_URI:
+                result = element.getAttribute("uri");
+
+                if (result == null || result.isEmpty()) {
+                    result = element.getAttribute("requestUri");
+                } else {
+                    // Resolve a possible variable value reference
+                    result = resolveVariableValueReference(context, result);
+                }
+
+                break;
+            case REQUEST_PAYLOAD_VARIABLE:
+                result = element.getAttribute("request");
+
+                if (result == null || result.isEmpty()) {
+                    result = element.getAttribute("requestPayload");
+                }
+                break;
+            case RESPONSE_PAYLOAD_VARIABLE:
+                result = element.getAttribute("response");
+
+                if (result == null || result.isEmpty()) {
+                    result = element.getAttribute("responsePayload");
+                }
+                break;
+            case STATUS_CODE_VARIABLE:
+                result = element.getAttribute("statusCode");
+                break;
+            case ACCEPT_HEADER:
+                result = element.getAttribute("accept");
+
+                // Resolve a possible variable value reference
+                if (result != null && !result.isEmpty()) {
+                    result = resolveVariableValueReference(context, result);
+                }
+
+                break;
+        }
+
+        return result;
+    }
+
+    /**
+     * Resolves references to variable values specified in an extension 
activity via
+     * '$bpelVar[varName]'.
+     * 
+     * @param context The extension context to lookup and resolve variables 
and their values.
+     * @param variableValueReference A potential variable value reference.
+     * 
+     * @return If the 'variableValueReference' parameter contains a variable 
value reference
+     *         ($bpelVar[varName]), the actual value of the variable is 
returned, else the provided
+     *         parameter value is returned.
+     * @throws FaultException
+     */
+    public static String resolveVariableValueReference(ExtensionContext 
context,
+            String variableValueReference) throws FaultException {
+        String variableValue = variableValueReference;
+
+        // Check if a concrete variable name ("varName") or a reference to the 
value of
+        // a variable
+        // is specified ("$bpelVar[varName]")
+        if (variableValueReference.startsWith(VARIABLE_VALUE_REFERENCE)) {
+            String variableName = variableValueReference.substring(
+                    variableValueReference.indexOf("[") + 1, 
variableValueReference.indexOf("]"));
+
+            Variable variable = 
context.getVisibleVariables().get(variableName);
+
+            // We only support simple type variables, therefore the value of 
the variable is
+            // directly provided within a <temporary-simple-type-wrapper/> 
element.
+            if (variable != null && isSimpleType(variable.getType())) {
+                Node variableContent = context.readVariable(variableName);
+
+                if (variableContent.getTextContent() != null) {
+                    variableValue = variableContent.getTextContent();
+                }
+            } else {
+                throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
+                        "References to the value of a BPEL variable using 
'$bpelVar[varName]' only support simple type variables.");
+            }
+        }
+
+        return variableValue;
+    }
+
+    public static String variableData2String(Node variableData) {
+        String result = null;
+
+        if (variableData != null) {
+            if 
("temporary-simple-type-wrapper".equals(variableData.getLocalName())) {
+                result = variableData.getTextContent();
+            } else {
+                result = DOMUtils.domToString(variableData);
+            }
+        }
+
+        return result;
+    }
+
+    /**
+     * Checks if the type is a simple type or not.
+     * 
+     * @param type to check
+     * 
+     * @return True, if the type is simple, False otherwise.
+     */
+    private static boolean isSimpleType(OVarType type) {
+        boolean result = false;
+
+        if (type instanceof OXsdTypeVarType) {
+            result = ((OXsdTypeVarType) type).isSimple();
+        }
+
+        return result;
+    }
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/MethodAttribute.java
----------------------------------------------------------------------
diff --git 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/MethodAttribute.java
 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/MethodAttribute.java
index 2b3866a..e83cebf 100644
--- 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/MethodAttribute.java
+++ 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/MethodAttribute.java
@@ -1,31 +1,31 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.extension.bpel4restlight;
 
 /**
- *  
- * This enumeration is used to decouple DOM attribute names from their
- * String representation within a certain library (for portability support)
+ * 
+ * This enumeration is used to decouple DOM attribute names from their String 
representation within
+ * a certain library (for portability support)
  * 
  * @author Michael Hahn ([email protected])
  * 
  */
 public enum MethodAttribute {
-       REQUEST_URI, REQUEST_PAYLOAD_VARIABLE, RESPONSE_PAYLOAD_VARIABLE, 
STATUS_CODE_VARIABLE, ACCEPT_HEADER;
-}
\ No newline at end of file
+    REQUEST_URI,
+    REQUEST_PAYLOAD_VARIABLE,
+    RESPONSE_PAYLOAD_VARIABLE,
+    STATUS_CODE_VARIABLE,
+    ACCEPT_HEADER;
+}

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HighLevelRestApi.java
----------------------------------------------------------------------
diff --git 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HighLevelRestApi.java
 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HighLevelRestApi.java
index 2596079..759bbd5 100644
--- 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HighLevelRestApi.java
+++ 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HighLevelRestApi.java
@@ -1,20 +1,16 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.extension.bpel4restlight.http;
 
@@ -31,166 +27,160 @@ import org.apache.ode.bpel.common.FaultException;
 import 
org.apache.ode.bpel.extension.bpel4restlight.Bpel4RestLightExtensionBundle;
 
 /**
- * This class wraps HTTP method functionality and thereby abstracts from low
- * level library-specific code to simplify its usage.
+ * This class wraps HTTP method functionality and thereby abstracts from low 
level library-specific
+ * code to simplify its usage.
  * 
  * @author Michael Hahn ([email protected])
  */
 public class HighLevelRestApi {
 
-       /**
-        * This method implements the HTTP PUT Method
-        * 
-        * @param uri
-        *            The URI of the target resource
-        * @param requestPayload
-        *            The payload of the request message
-        * @param acceptHeaderValue
-        *            The value of the accept header field to be set
-        * @return A HttpResponseMessage providing the response message payload 
and
-        *         status code.
-        * 
-        * @exception FaultException
-        */
-       public static HttpResponseMessage Put(String uri, String 
requestPayload, String acceptHeaderValue)
-                       throws FaultException {
-
-               PutMethod method = new PutMethod(uri);
-
-               HighLevelRestApi.setAcceptHeader(method, acceptHeaderValue);
-               try {
-                       method.setRequestEntity(new 
StringRequestEntity(requestPayload, "application/xml", "UTF-8"));
-               } catch (UnsupportedEncodingException e) {
-                       throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
-                                       "BPEL4REST: Execution of HTTP method '" 
+ method.getName() + "' caused an exception.", e);
-               }
-
-               HttpResponseMessage responseMessage = 
LowLevelRestApi.executeHttpMethod(method);
-               // Remove <?xml... in front of response
-               HighLevelRestApi.cleanResponseBody(responseMessage);
-
-               return responseMessage;
-       }
-
-       /**
-        * This method implements the HTTP POST Method
-        * 
-        * @param uri
-        *            The URI of the target resource
-        * @param requestPayload
-        *            The payload of the request message
-        * @param acceptHeaderValue
-        *            The value of the accept header field to be set
-        * @return A HttpResponseMessage providing the response message payload 
and
-        *         status code.
-        * 
-        * @exception FaultException
-        */
-       public static HttpResponseMessage Post(String uri, String 
requestPayload, String acceptHeaderValue)
-                       throws FaultException {
-
-               PostMethod method = null;
-               if (uri.contains("?")) {
-                       String[] split = uri.split("\\?");
-                       method = new PostMethod(split[0]);
-                       
method.setQueryString(HighLevelRestApi.createNameValuePairArrayFromQuery(split[1]));
-               } else {
-                       method = new PostMethod(uri);
-               }
-
-               try {
-                       method.setRequestEntity(new 
StringRequestEntity(requestPayload, "application/xml", "UTF-8"));
-               } catch (UnsupportedEncodingException e) {
-                       throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
-                                       "BPEL4REST: Execution of HTTP method '" 
+ method.getName() + "' caused an exception.", e);
-               }
-
-               HighLevelRestApi.setAcceptHeader(method, acceptHeaderValue);
-               HttpResponseMessage responseMessage = 
LowLevelRestApi.executeHttpMethod(method);
-               // Remove <?xml... in front of response
-               HighLevelRestApi.cleanResponseBody(responseMessage);
-
-               return responseMessage;
-       }
-
-       /**
-        * This method implements the HTTP GET Method
-        * 
-        * @param uri
-        *            The URI of the target resource
-        * @param acceptHeaderValue
-        *            The value of the accept header field to be set
-        * @return A HttpResponseMessage providing the response message payload 
and
-        *         status code.
-        * 
-        * @exception FaultException
-        */
-       public static HttpResponseMessage Get(String uri, String 
acceptHeaderValue) throws FaultException {
-               GetMethod method = null;
-               if (uri.contains("?")) {
-                       String[] split = uri.split("\\?");
-                       method = new GetMethod(split[0]);
-                       
method.setQueryString(HighLevelRestApi.createNameValuePairArrayFromQuery(split[1]));
-               } else {
-                       method = new GetMethod(uri);
-               }
-               HighLevelRestApi.setAcceptHeader(method, acceptHeaderValue);
-               HttpResponseMessage responseMessage = 
LowLevelRestApi.executeHttpMethod(method);
-               HighLevelRestApi.cleanResponseBody(responseMessage);
-               return responseMessage;
-       }
-
-       /**
-        * This method implements the HTTP DELETE Method
-        * 
-        * @param uri
-        *            The URI of the target resource
-        * @param acceptHeaderValue
-        *            The value of the accept header field to be set
-        * @return A HttpResponseMessage providing the response message payload 
and
-        *         status code.
-        * 
-        * @exception FaultException
-        */
-       public static HttpResponseMessage Delete(String uri, String 
acceptHeaderValue) throws FaultException {
-
-               DeleteMethod method = new DeleteMethod(uri);
-               HighLevelRestApi.setAcceptHeader(method, acceptHeaderValue);
-               HttpResponseMessage responseMessage = 
LowLevelRestApi.executeHttpMethod(method);
-               HighLevelRestApi.cleanResponseBody(responseMessage);
-               return responseMessage;
-       }
-
-       private static NameValuePair[] createNameValuePairArrayFromQuery(String 
query) {
-               // example:
-               // 
csarID=Moodle.csar&serviceTemplateID={http://www.example.com/tosca/ServiceTemplates/Moodle}Moodle&nodeTemplateID={http://www.example.com/tosca/ServiceTemplates/Moodle}VmApache
-               String[] pairs = query.trim().split("&");
-               NameValuePair[] nameValuePairArray = new 
NameValuePair[pairs.length];
-               int count = 0;
-               for (String pair : pairs) {
-                       String[] keyValue = pair.split("=");
-                       NameValuePair nameValuePair = new NameValuePair();
-                       nameValuePair.setName(keyValue[0]);
-                       nameValuePair.setValue(keyValue[1]);
-                       nameValuePairArray[count] = nameValuePair;
-                       count++;
-               }
-               return nameValuePairArray;
-       }
-
-       private static void setAcceptHeader(HttpMethodBase method, String 
value) {
-               if (!value.equals("")) {
-                       method.setRequestHeader("Accept", value);
-               } else {
-                       method.setRequestHeader("Accept", "application/xml");
-               }
-       }
-
-       private static void cleanResponseBody(HttpResponseMessage 
responseMessage) {
-               if (responseMessage.getResponseBody() != null) {
-                       String temp = responseMessage.getResponseBody()
-                                       .replace("<?xml version=\"1.0\" 
encoding=\"UTF-8\" standalone=\"yes\"?>", "");
-                       responseMessage.setResponseBody(temp);
-               }
-       }
+    /**
+     * This method implements the HTTP PUT Method
+     * 
+     * @param uri The URI of the target resource
+     * @param requestPayload The payload of the request message
+     * @param acceptHeaderValue The value of the accept header field to be set
+     * @return A HttpResponseMessage providing the response message payload 
and status code.
+     * 
+     * @exception FaultException
+     */
+    public static HttpResponseMessage Put(String uri, String requestPayload,
+            String acceptHeaderValue) throws FaultException {
+
+        PutMethod method = new PutMethod(uri);
+
+        HighLevelRestApi.setAcceptHeader(method, acceptHeaderValue);
+        try {
+            method.setRequestEntity(
+                    new StringRequestEntity(requestPayload, "application/xml", 
"UTF-8"));
+        } catch (UnsupportedEncodingException e) {
+            throw new FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
+                    "BPEL4REST: Execution of HTTP method '" + method.getName()
+                            + "' caused an exception.",
+                    e);
+        }
+
+        HttpResponseMessage responseMessage = 
LowLevelRestApi.executeHttpMethod(method);
+        // Remove <?xml... in front of response
+        HighLevelRestApi.cleanResponseBody(responseMessage);
+
+        return responseMessage;
+    }
+
+    /**
+     * This method implements the HTTP POST Method
+     * 
+     * @param uri The URI of the target resource
+     * @param requestPayload The payload of the request message
+     * @param acceptHeaderValue The value of the accept header field to be set
+     * @return A HttpResponseMessage providing the response message payload 
and status code.
+     * 
+     * @exception FaultException
+     */
+    public static HttpResponseMessage Post(String uri, String requestPayload,
+            String acceptHeaderValue) throws FaultException {
+
+        PostMethod method = null;
+        if (uri.contains("?")) {
+            String[] split = uri.split("\\?");
+            method = new PostMethod(split[0]);
+            
method.setQueryString(HighLevelRestApi.createNameValuePairArrayFromQuery(split[1]));
+        } else {
+            method = new PostMethod(uri);
+        }
+
+        try {
+            method.setRequestEntity(
+                    new StringRequestEntity(requestPayload, "application/xml", 
"UTF-8"));
+        } catch (UnsupportedEncodingException e) {
+            throw new FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
+                    "BPEL4REST: Execution of HTTP method '" + method.getName()
+                            + "' caused an exception.",
+                    e);
+        }
+
+        HighLevelRestApi.setAcceptHeader(method, acceptHeaderValue);
+        HttpResponseMessage responseMessage = 
LowLevelRestApi.executeHttpMethod(method);
+        // Remove <?xml... in front of response
+        HighLevelRestApi.cleanResponseBody(responseMessage);
+
+        return responseMessage;
+    }
+
+    /**
+     * This method implements the HTTP GET Method
+     * 
+     * @param uri The URI of the target resource
+     * @param acceptHeaderValue The value of the accept header field to be set
+     * @return A HttpResponseMessage providing the response message payload 
and status code.
+     * 
+     * @exception FaultException
+     */
+    public static HttpResponseMessage Get(String uri, String acceptHeaderValue)
+            throws FaultException {
+        GetMethod method = null;
+        if (uri.contains("?")) {
+            String[] split = uri.split("\\?");
+            method = new GetMethod(split[0]);
+            
method.setQueryString(HighLevelRestApi.createNameValuePairArrayFromQuery(split[1]));
+        } else {
+            method = new GetMethod(uri);
+        }
+        HighLevelRestApi.setAcceptHeader(method, acceptHeaderValue);
+        HttpResponseMessage responseMessage = 
LowLevelRestApi.executeHttpMethod(method);
+        HighLevelRestApi.cleanResponseBody(responseMessage);
+        return responseMessage;
+    }
+
+    /**
+     * This method implements the HTTP DELETE Method
+     * 
+     * @param uri The URI of the target resource
+     * @param acceptHeaderValue The value of the accept header field to be set
+     * @return A HttpResponseMessage providing the response message payload 
and status code.
+     * 
+     * @exception FaultException
+     */
+    public static HttpResponseMessage Delete(String uri, String 
acceptHeaderValue)
+            throws FaultException {
+
+        DeleteMethod method = new DeleteMethod(uri);
+        HighLevelRestApi.setAcceptHeader(method, acceptHeaderValue);
+        HttpResponseMessage responseMessage = 
LowLevelRestApi.executeHttpMethod(method);
+        HighLevelRestApi.cleanResponseBody(responseMessage);
+        return responseMessage;
+    }
+
+    private static NameValuePair[] createNameValuePairArrayFromQuery(String 
query) {
+        // example:
+        // 
csarID=Moodle.csar&serviceTemplateID={http://www.example.com/tosca/ServiceTemplates/Moodle}Moodle&nodeTemplateID={http://www.example.com/tosca/ServiceTemplates/Moodle}VmApache
+        String[] pairs = query.trim().split("&");
+        NameValuePair[] nameValuePairArray = new NameValuePair[pairs.length];
+        int count = 0;
+        for (String pair : pairs) {
+            String[] keyValue = pair.split("=");
+            NameValuePair nameValuePair = new NameValuePair();
+            nameValuePair.setName(keyValue[0]);
+            nameValuePair.setValue(keyValue[1]);
+            nameValuePairArray[count] = nameValuePair;
+            count++;
+        }
+        return nameValuePairArray;
+    }
+
+    private static void setAcceptHeader(HttpMethodBase method, String value) {
+        if (!value.equals("")) {
+            method.setRequestHeader("Accept", value);
+        } else {
+            method.setRequestHeader("Accept", "application/xml");
+        }
+    }
+
+    private static void cleanResponseBody(HttpResponseMessage responseMessage) 
{
+        if (responseMessage.getResponseBody() != null) {
+            String temp = responseMessage.getResponseBody()
+                    .replace("<?xml version=\"1.0\" encoding=\"UTF-8\" 
standalone=\"yes\"?>", "");
+            responseMessage.setResponseBody(temp);
+        }
+    }
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpMethod.java
----------------------------------------------------------------------
diff --git 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpMethod.java
 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpMethod.java
index 650d095..faf1b01 100644
--- 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpMethod.java
+++ 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpMethod.java
@@ -1,20 +1,16 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.extension.bpel4restlight.http;
 
@@ -24,5 +20,5 @@ package org.apache.ode.bpel.extension.bpel4restlight.http;
  * @author Michael Hahn ([email protected])
  */
 public enum HttpMethod {
-       PUT, POST, GET, DELETE
-}
\ No newline at end of file
+    PUT, POST, GET, DELETE
+}

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpResponseMessage.java
----------------------------------------------------------------------
diff --git 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpResponseMessage.java
 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpResponseMessage.java
index 7695598..89997ee 100644
--- 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpResponseMessage.java
+++ 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/HttpResponseMessage.java
@@ -1,62 +1,55 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.extension.bpel4restlight.http;
 
 /**
- * This class is used to wrap information of a HTTP response message in a
- * library neutral format
+ * This class is used to wrap information of a HTTP response message in a 
library neutral format
  * 
  * @author Michael Hahn ([email protected])
  */
 public class HttpResponseMessage {
 
-       private int statusCode;
-       private String responseBody;
+    private int statusCode;
+    private String responseBody;
 
-       /**
-        * @return the statusCode
-        */
-       public int getStatusCode() {
-               return this.statusCode;
-       }
+    /**
+     * @return the statusCode
+     */
+    public int getStatusCode() {
+        return this.statusCode;
+    }
 
-       /**
-        * @param statusCode
-        *            the statusCode to set
-        */
-       protected void setStatusCode(int statusCode) {
-               this.statusCode = statusCode;
-       }
+    /**
+     * @param statusCode the statusCode to set
+     */
+    protected void setStatusCode(int statusCode) {
+        this.statusCode = statusCode;
+    }
 
-       /**
-        * @return the responseBody
-        */
-       public String getResponseBody() {
-               return this.responseBody;
-       }
+    /**
+     * @return the responseBody
+     */
+    public String getResponseBody() {
+        return this.responseBody;
+    }
 
-       /**
-        * @param responseBody
-        *            the responseBody to set
-        */
-       protected void setResponseBody(String responseBody) {
-               this.responseBody = responseBody;
-       }
+    /**
+     * @param responseBody the responseBody to set
+     */
+    protected void setResponseBody(String responseBody) {
+        this.responseBody = responseBody;
+    }
 
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/LowLevelRestApi.java
----------------------------------------------------------------------
diff --git 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/LowLevelRestApi.java
 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/LowLevelRestApi.java
index 474d5ed..122f2e6 100644
--- 
a/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/LowLevelRestApi.java
+++ 
b/bpel-rest-extensions/src/main/java/org/apache/ode/bpel/extension/bpel4restlight/http/LowLevelRestApi.java
@@ -1,20 +1,16 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.extension.bpel4restlight.http;
 
@@ -27,65 +23,67 @@ import org.apache.ode.bpel.common.FaultException;
 import 
org.apache.ode.bpel.extension.bpel4restlight.Bpel4RestLightExtensionBundle;
 
 /**
- * This class eases HTTP method execution by providing fault handling and
- * automated response information processing
+ * This class eases HTTP method execution by providing fault handling and 
automated response
+ * information processing
  * 
  * @author Michael Hahn ([email protected])
  */
 public class LowLevelRestApi {
 
-       // HttpClient used for communication
-       private static HttpClient httpClient = new HttpClient();
+    // HttpClient used for communication
+    private static HttpClient httpClient = new HttpClient();
 
-       /**
-        * Executes a passed HttpMethod (method type is either PUT, POST, GET 
or DELETE)
-        * and returns a HttpResponseMessage
-        * 
-        * @param method
-        *            Method to execute
-        * @return HttpResponseMessage which contains all information about the
-        *         execution
-        */
-       public static HttpResponseMessage executeHttpMethod(HttpMethod method) 
throws FaultException {
+    /**
+     * Executes a passed HttpMethod (method type is either PUT, POST, GET or 
DELETE) and returns a
+     * HttpResponseMessage
+     * 
+     * @param method Method to execute
+     * @return HttpResponseMessage which contains all information about the 
execution
+     */
+    public static HttpResponseMessage executeHttpMethod(HttpMethod method) 
throws FaultException {
 
-               HttpResponseMessage responseMessage = null;
+        HttpResponseMessage responseMessage = null;
 
-               try {
-                       // Execute Request
-                       LowLevelRestApi.httpClient.executeMethod(method);
-                       
-                       responseMessage = 
LowLevelRestApi.extractResponseInformation(method);
-               } catch (HttpException e) {
-                       throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
-                                       "BPEL4REST: Execution of HTTP method '" 
+ method.getName() + "' caused an exception: " + e.getMessage(), e);
-               } catch (IOException e) {
-                       throw new 
FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
-                                       "BPEL4REST: Execution of HTTP method '" 
+ method.getName() + "' caused an exception: " + e.getMessage(), e);
-               } finally {
-                       // Release connection
-                       method.releaseConnection();
-               }
+        try {
+            // Execute Request
+            LowLevelRestApi.httpClient.executeMethod(method);
 
-               // Extract response information and return
-               return responseMessage;
-       }
+            responseMessage = 
LowLevelRestApi.extractResponseInformation(method);
+        } catch (HttpException e) {
+            throw new FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
+                    "BPEL4REST: Execution of HTTP method '" + method.getName()
+                            + "' caused an exception: " + e.getMessage(),
+                    e);
+        } catch (IOException e) {
+            throw new FaultException(Bpel4RestLightExtensionBundle.FAULT_QNAME,
+                    "BPEL4REST: Execution of HTTP method '" + method.getName()
+                            + "' caused an exception: " + e.getMessage(),
+                    e);
+        } finally {
+            // Release connection
+            method.releaseConnection();
+        }
 
-       /**
-        * Extracts the response information from an executed HttpMethod
-        * 
-        * @param method
-        *            The HTTP method
-        * @return The extracted response information
-        * @throws IOException
-        */
-       private static HttpResponseMessage 
extractResponseInformation(HttpMethod method) throws IOException {
-               // Create and return HttpResponseMethod
-               HttpResponseMessage responseMessage = new HttpResponseMessage();
-               
-               responseMessage.setStatusCode(method.getStatusCode());
-               
responseMessage.setResponseBody(method.getResponseBodyAsString());
+        // Extract response information and return
+        return responseMessage;
+    }
 
-               return responseMessage;
-       }
+    /**
+     * Extracts the response information from an executed HttpMethod
+     * 
+     * @param method The HTTP method
+     * @return The extracted response information
+     * @throws IOException
+     */
+    private static HttpResponseMessage extractResponseInformation(HttpMethod 
method)
+            throws IOException {
+        // Create and return HttpResponseMethod
+        HttpResponseMessage responseMessage = new HttpResponseMessage();
+
+        responseMessage.setStatusCode(method.getStatusCode());
+        responseMessage.setResponseBody(method.getResponseBodyAsString());
+
+        return responseMessage;
+    }
 
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelProcess.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelProcess.java 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelProcess.java
index 50def20..60f5e34 100644
--- a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelProcess.java
+++ b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelProcess.java
@@ -1002,24 +1002,24 @@ public class BpelProcess {
             _expLangRuntimeRegistry = new ExpressionLanguageRuntimeRegistry();
             registerExprLang(_oprocess);
 
-                       // Checking for registered extension bundles, throw an 
exception when
-                       // a "mustUnderstand" extension is not available
-                       _mustUnderstandExtensions = new HashSet<String>();
-                       for (OProcess.OExtension extension : 
_oprocess.getDeclaredExtensions()) {
-                               if (extension.isMustUnderstand()) {
-                                       if 
(_engine._contexts.extensionRegistry.get(extension.getNamespace()) == null) {
-                                               String msg = 
__msgs.msgExtensionMustUnderstandError(_pid,
-                                                               
extension.getNamespace());
-                                               __log.error(msg);
-                                               throw new 
BpelEngineException(msg);
-                                       } else {
-                                               
_mustUnderstandExtensions.add(extension.getNamespace());
-                                       }
-                               } else {
-                                       __log.warn("The process declares the 
extension namespace " + extension.getNamespace()
-                                                       + " that is unkown to 
the engine");
-                               }
-                       }
+            // Checking for registered extension bundles, throw an exception 
when
+            // a "mustUnderstand" extension is not available
+            _mustUnderstandExtensions = new HashSet<String>();
+            for (OProcess.OExtension extension : 
_oprocess.getDeclaredExtensions()) {
+                if (extension.isMustUnderstand()) {
+                    if 
(_engine._contexts.extensionRegistry.get(extension.getNamespace()) == null) {
+                        String msg = 
__msgs.msgExtensionMustUnderstandError(_pid,
+                                extension.getNamespace());
+                        __log.error(msg);
+                        throw new BpelEngineException(msg);
+                    } else {
+                        
_mustUnderstandExtensions.add(extension.getNamespace());
+                    }
+                } else {
+                    __log.warn("The process declares the extension namespace "
+                            + extension.getNamespace() + " that is unkown to 
the engine");
+                }
+            }
 
             setRoles(_oprocess);
             initExternalVariables();

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelRuntimeContextImpl.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelRuntimeContextImpl.java
 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelRuntimeContextImpl.java
index 939541c..5a576de 100644
--- 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelRuntimeContextImpl.java
+++ 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelRuntimeContextImpl.java
@@ -1537,32 +1537,34 @@ public class BpelRuntimeContextImpl implements 
BpelRuntimeContext {
         _forceFlush = true;
     }
 
-    public void executeExtension(QName extensionId, ExtensionContext context, 
Element element, ExtensionResponse extResponseChannel) throws FaultException {
-               __log.debug("Execute extension activity");
-               final String extResponseChannelStr = 
ProcessUtil.exportChannel(extResponseChannel);
-               
-               ExtensionOperation ea = 
createExtensionActivityImplementation(extensionId);
-               if (ea == null) {
-                       if 
(_bpelProcess._mustUnderstandExtensions.contains(extensionId.getNamespaceURI()))
 {
-                               //TODO
-                               __log.warn("Lookup of extension activity " + 
extensionId + " failed.");
-                               throw new 
FaultException(ExtensibilityQNames.UNKNOWN_EO_FAULT_NAME, "Lookup of extension 
operation " + extensionId + " failed.");
-                       } else {
-                               // act like <empty> - do nothing
-                               
completeExtensionExecution(extResponseChannelStr, null);
-                               return;
-                       }
-               }
-               
-               try {
-                       // should be running in a pooled thread
-                       ea.run(context, element);
-                       completeExtensionExecution(extResponseChannelStr, null);
-               } catch (RuntimeException e) {
-                       __log.error("Error during execution of extension 
activity.", e);
-                       completeExtensionExecution(extResponseChannelStr, e);
-               } 
-       }
+    public void executeExtension(QName extensionId, ExtensionContext context, 
Element element,
+            ExtensionResponse extResponseChannel) throws FaultException {
+        __log.debug("Execute extension activity");
+        final String extResponseChannelStr = 
ProcessUtil.exportChannel(extResponseChannel);
+
+        ExtensionOperation ea = 
createExtensionActivityImplementation(extensionId);
+        if (ea == null) {
+            if 
(_bpelProcess._mustUnderstandExtensions.contains(extensionId.getNamespaceURI()))
 {
+                // TODO
+                __log.warn("Lookup of extension activity " + extensionId + " 
failed.");
+                throw new 
FaultException(ExtensibilityQNames.UNKNOWN_EO_FAULT_NAME,
+                        "Lookup of extension operation " + extensionId + " 
failed.");
+            } else {
+                // act like <empty> - do nothing
+                completeExtensionExecution(extResponseChannelStr, null);
+                return;
+            }
+        }
+
+        try {
+            // should be running in a pooled thread
+            ea.run(context, element);
+            completeExtensionExecution(extResponseChannelStr, null);
+        } catch (RuntimeException e) {
+            __log.error("Error during execution of extension activity.", e);
+            completeExtensionExecution(extResponseChannelStr, e);
+        }
+    }
 
        private void completeExtensionExecution(final String channelId, final 
Throwable t) {
                if (t != null) {

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelServerImpl.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelServerImpl.java 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelServerImpl.java
index 9344e84..b1f9083 100644
--- a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelServerImpl.java
+++ b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/BpelServerImpl.java
@@ -177,12 +177,12 @@ public class BpelServerImpl implements BpelServer, 
Scheduler.JobProcessor {
     }
 
     public void registerExtensionBundle(AbstractExtensionBundle bundle) {
-       _contexts.extensionRegistry.put(bundle.getNamespaceURI(), bundle);
-       bundle.registerExtensionActivities();
+        _contexts.extensionRegistry.put(bundle.getNamespaceURI(), bundle);
+        bundle.registerExtensionActivities();
     }
 
     public void unregisterExtensionBundle(String nsURI) {
-       _contexts.extensionRegistry.remove(nsURI);
+        _contexts.extensionRegistry.remove(nsURI);
     }
 
     public void registerExternalVariableEngine(ExternalVariableModule eve) {

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Contexts.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Contexts.java 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Contexts.java
index 0d0ff2f..22e8afb 100644
--- a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Contexts.java
+++ b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Contexts.java
@@ -70,7 +70,7 @@ public class Contexts {
     
     public CustomProcessProperties customProcessProperties = new 
CustomProcessProperties(); 
 
-       /** Global extension bundle registry **/
+    /** Global extension bundle registry **/
     final Map<String, AbstractExtensionBundle> extensionRegistry = new 
ConcurrentHashMap<String, AbstractExtensionBundle>();
 
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Messages.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Messages.java 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Messages.java
index 35dac34..0081e43 100644
--- a/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Messages.java
+++ b/bpel-runtime/src/main/java/org/apache/ode/bpel/engine/Messages.java
@@ -192,8 +192,8 @@ public class Messages extends MessageBundle {
     }
 
     public String msgExtensionMustUnderstandError(QName name, String 
extensionUri) {
-        return format("Deployment of process \"{0}\" failed. The process model 
requires the " +
-                       "engine to understand language extensions defined by 
{1}. No extension bundle " +
-                       "has been registered for this namespace.", name, 
extensionUri);
+        return format("Deployment of process \"{0}\" failed. The process model 
requires the "
+                + "engine to understand language extensions defined by {1}. No 
extension bundle "
+                + "has been registered for this namespace.", name, 
extensionUri);
     }
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ASSIGN.java
----------------------------------------------------------------------
diff --git a/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ASSIGN.java 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ASSIGN.java
index 0881ac0..53e25be 100644
--- a/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ASSIGN.java
+++ b/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ASSIGN.java
@@ -677,43 +677,52 @@ class ASSIGN extends ACTIVITY {
         return data;
     }
 
-       private void 
invokeExtensionAssignOperation(OAssign.ExtensionAssignOperation eao) throws 
FaultException {
-       try {
-               final ExtensionContext helper = new 
ExtensionContextImpl(this._scopeFrame, getBpelRuntimeContext());
-               final ExtensionResponse responseChannel = 
newChannel(ExtensionResponse.class);
-
-               
getBpelRuntimeContext().executeExtension(eao.getExtensionName(), helper, 
DOMUtils.stringToDOM(eao.getNestedElement()), responseChannel);
-
-               object(new ReceiveProcess() {
-                                       private static final long 
serialVersionUID = 1467660715539203917L;
-                               }.setChannel(responseChannel).setReceiver(new 
ExtensionResponse() {
-                                       private static final long 
serialVersionUID = 509910466826372712L;
-
-                                       public void onCompleted() {
-                                               _self.parent.completed(null, 
CompensationHandler.emptySet());
-                       }
-                       
-                       public void onFailure(Throwable t) {
-                               StringWriter sw = new StringWriter();
-                               t.printStackTrace(new PrintWriter(sw));
-                               FaultData fault = 
createFault(_self.o.getOwner().getConstants().getQnSubLanguageExecutionFault(), 
_self.o, sw.getBuffer().toString());
-                           _self.parent.completed(fault, 
CompensationHandler.emptySet());
-                       };
+    private void 
invokeExtensionAssignOperation(OAssign.ExtensionAssignOperation eao)
+            throws FaultException {
+        try {
+            final ExtensionContext helper =
+                    new ExtensionContextImpl(this._scopeFrame, 
getBpelRuntimeContext());
+            final ExtensionResponse responseChannel = 
newChannel(ExtensionResponse.class);
+
+            getBpelRuntimeContext().executeExtension(eao.getExtensionName(), 
helper,
+                    DOMUtils.stringToDOM(eao.getNestedElement()), 
responseChannel);
+
+            object(new ReceiveProcess() {
+                private static final long serialVersionUID = 
1467660715539203917L;
+            }.setChannel(responseChannel).setReceiver(new ExtensionResponse() {
+                private static final long serialVersionUID = 
509910466826372712L;
+
+                public void onCompleted() {
+                    _self.parent.completed(null, 
CompensationHandler.emptySet());
+                }
+
+                public void onFailure(Throwable t) {
+                    StringWriter sw = new StringWriter();
+                    t.printStackTrace(new PrintWriter(sw));
+                    FaultData fault = createFault(
+                            
_self.o.getOwner().getConstants().getQnSubLanguageExecutionFault(),
+                            _self.o, sw.getBuffer().toString());
+                    _self.parent.completed(fault, 
CompensationHandler.emptySet());
+                };
             }));
 
-       } catch (FaultException fault) {
+        } catch (FaultException fault) {
             __log.error("Exception while invoking extension assign operation", 
fault);
             FaultData faultData = createFault(fault.getQName(), _self.o, 
fault.getMessage());
             _self.parent.completed(faultData, CompensationHandler.emptySet());
-       } catch (SAXException e) {
-               __log.error("Exception while invoking extension assign 
operation", e);
-               FaultData faultData = 
createFault(ExtensibilityQNames.INVALID_EXTENSION_ELEMENT, _self.o, "The nested 
element of extension assign operation '" + eao.getExtensionName() + "' is no 
valid XML.");
-               _self.parent.completed(faultData, 
CompensationHandler.emptySet());
-               } catch (IOException e) {
-                       __log.error("Exception while invoking extension assign 
operation", e);
-                       FaultData faultData = 
createFault(ExtensibilityQNames.INVALID_EXTENSION_ELEMENT, _self.o, "The nested 
element of extension assign operation '" + eao.getExtensionName() + "' is no 
valid XML.");
-                       _self.parent.completed(faultData, 
CompensationHandler.emptySet());
-               }
+        } catch (SAXException e) {
+            __log.error("Exception while invoking extension assign operation", 
e);
+            FaultData faultData = 
createFault(ExtensibilityQNames.INVALID_EXTENSION_ELEMENT,
+                    _self.o, "The nested element of extension assign operation 
'"
+                            + eao.getExtensionName() + "' is no valid XML.");
+            _self.parent.completed(faultData, CompensationHandler.emptySet());
+        } catch (IOException e) {
+            __log.error("Exception while invoking extension assign operation", 
e);
+            FaultData faultData = 
createFault(ExtensibilityQNames.INVALID_EXTENSION_ELEMENT,
+                    _self.o, "The nested element of extension assign operation 
'"
+                            + eao.getExtensionName() + "' is no valid XML.");
+            _self.parent.completed(faultData, CompensationHandler.emptySet());
+        }
     }
 
     private class EvaluationContextProxy implements EvaluationContext {

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/EXTENSIONACTIVITY.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/EXTENSIONACTIVITY.java 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/EXTENSIONACTIVITY.java
index 9182c38..dfa5771 100644
--- 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/EXTENSIONACTIVITY.java
+++ 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/EXTENSIONACTIVITY.java
@@ -1,20 +1,16 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.runtime;
 
@@ -35,62 +31,75 @@ import org.slf4j.LoggerFactory;
 import org.xml.sax.SAXException;
 
 /**
- * JacobRunnable that delegates the work of the <code>extensionActivity</code>
- * activity to a registered extension implementation.
+ * JacobRunnable that delegates the work of the <code>extensionActivity</code> 
activity to a
+ * registered extension implementation.
  * 
  * @author Tammo van Lessen (University of Stuttgart)
  */
 public class EXTENSIONACTIVITY extends ACTIVITY {
-       private static final long serialVersionUID = 1L;
-       private static final Logger __log = LoggerFactory
-                       .getLogger(EXTENSIONACTIVITY.class);
+    private static final long serialVersionUID = 1L;
+    private static final Logger __log = 
LoggerFactory.getLogger(EXTENSIONACTIVITY.class);
 
     private OExtensionActivity _oext;
 
-       public EXTENSIONACTIVITY(ActivityInfo self, ScopeFrame scopeFrame,
-                       LinkFrame linkFrame) {
-               super(self, scopeFrame, linkFrame);
-            _oext = (OExtensionActivity) _self.o;
-       }
+    public EXTENSIONACTIVITY(ActivityInfo self, ScopeFrame scopeFrame, 
LinkFrame linkFrame) {
+        super(self, scopeFrame, linkFrame);
+        _oext = (OExtensionActivity) _self.o;
+    }
 
-       public final void run() {
+    public final void run() {
         try {
-               final ExtensionResponse responseChannel = 
newChannel(ExtensionResponse.class);
-               final ExtensionContext helper = new 
ExtensionContextImpl(_scopeFrame, getBpelRuntimeContext());
+            final ExtensionResponse responseChannel = 
newChannel(ExtensionResponse.class);
+            final ExtensionContext helper =
+                    new ExtensionContextImpl(_scopeFrame, 
getBpelRuntimeContext());
 
-               
getBpelRuntimeContext().executeExtension(_oext.getExtensionName(), helper, 
DOMUtils.stringToDOM(_oext.getNestedElement()), responseChannel);
-               
-               object(new ReceiveProcess() {
-                                       private static final long 
serialVersionUID = 3643564901004147956L;
-                               }.setChannel(responseChannel).setReceiver(new 
ExtensionResponse() {
-                                       private static final long 
serialVersionUID = -6977609968638662977L;
+            getBpelRuntimeContext().executeExtension(_oext.getExtensionName(), 
helper,
+                    DOMUtils.stringToDOM(_oext.getNestedElement()), 
responseChannel);
 
-                                       public void onCompleted() {
-                                               _self.parent.completed(null, 
CompensationHandler.emptySet());
-                                       }
+            object(new ReceiveProcess() {
+                private static final long serialVersionUID = 
3643564901004147956L;
+            }.setChannel(responseChannel).setReceiver(new ExtensionResponse() {
+                private static final long serialVersionUID = 
-6977609968638662977L;
 
-                       public void onFailure(Throwable t) {
-                               StringWriter sw = new StringWriter();
-                               t.printStackTrace(new PrintWriter(sw));
-                               FaultData fault = 
createFault(_oext.getOwner().getConstants().getQnSubLanguageExecutionFault(), 
_oext, sw.getBuffer().toString());
-                           _self.parent.completed(fault, 
CompensationHandler.emptySet());
-                       };
+                public void onCompleted() {
+                    _self.parent.completed(null, 
CompensationHandler.emptySet());
+                }
+
+                public void onFailure(Throwable t) {
+                    StringWriter sw = new StringWriter();
+                    t.printStackTrace(new PrintWriter(sw));
+                    FaultData fault = createFault(
+                            
_oext.getOwner().getConstants().getQnSubLanguageExecutionFault(), _oext,
+                            sw.getBuffer().toString());
+                    _self.parent.completed(fault, 
CompensationHandler.emptySet());
+                };
             }));
 
-               } catch (FaultException fault) {
-                       __log.error("Exception while invoking extension 
activity '" + _oext.getName() + "'.", fault);
+        } catch (FaultException fault) {
+            __log.error("Exception while invoking extension activity '" + 
_oext.getName() + "'.",
+                    fault);
             FaultData faultData = createFault(fault.getQName(), _oext, 
fault.getMessage());
             _self.parent.completed(faultData, CompensationHandler.emptySet());
-               } catch (SAXException e) {
-               __log.error("Exception while invoking extension activity '" + 
_oext.getName() + "'.", e);
-               FaultData faultData = 
createFault(ExtensibilityQNames.INVALID_EXTENSION_ELEMENT, _self.o, "The nested 
element of extension activity '" + _oext.getName() + "' for extension '" + 
_oext.getExtensionName() + "' is no valid XML.");
-               _self.parent.completed(faultData, 
CompensationHandler.emptySet());
-               } catch (IOException e) {
-                       __log.error("Exception while invoking extension 
activity '" + _oext.getName() + "'.", e);
-               FaultData faultData = 
createFault(ExtensibilityQNames.INVALID_EXTENSION_ELEMENT, _self.o, "The nested 
element of extension activity '" + _oext.getName() + "' for extension '" + 
_oext.getExtensionName() + "' is no valid XML.");
-               _self.parent.completed(faultData, 
CompensationHandler.emptySet());
-               }
+        } catch (SAXException e) {
+            __log.error("Exception while invoking extension activity '" + 
_oext.getName() + "'.",
+                    e);
+            FaultData faultData =
+                    createFault(ExtensibilityQNames.INVALID_EXTENSION_ELEMENT, 
_self.o,
+                            "The nested element of extension activity '" + 
_oext.getName()
+                                    + "' for extension '" + 
_oext.getExtensionName()
+                                    + "' is no valid XML.");
+            _self.parent.completed(faultData, CompensationHandler.emptySet());
+        } catch (IOException e) {
+            __log.error("Exception while invoking extension activity '" + 
_oext.getName() + "'.",
+                    e);
+            FaultData faultData =
+                    createFault(ExtensibilityQNames.INVALID_EXTENSION_ELEMENT, 
_self.o,
+                            "The nested element of extension activity '" + 
_oext.getName()
+                                    + "' for extension '" + 
_oext.getExtensionName()
+                                    + "' is no valid XML.");
+            _self.parent.completed(faultData, CompensationHandler.emptySet());
+        }
 
-       }
+    }
 
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ExtensionContextImpl.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ExtensionContextImpl.java
 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ExtensionContextImpl.java
index f51b449..9e69dc7 100644
--- 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ExtensionContextImpl.java
+++ 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/ExtensionContextImpl.java
@@ -1,20 +1,16 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.runtime;
 
@@ -35,83 +31,72 @@ import org.w3c.dom.Node;
  * @author Tammo van Lessen (University of Stuttgart)
  */
 public class ExtensionContextImpl implements ExtensionContext {
-       private BpelRuntimeContext _context;
-       private ScopeFrame _scopeFrame;
-
-       public ExtensionContextImpl(ScopeFrame scopeFrame,
-                       BpelRuntimeContext context) {
-               _context = context;
-               _scopeFrame = scopeFrame;
-       }
-
-       public List<OLink> getLinks() throws FaultException {
-               // TODO Auto-generated method stub
-               return null;
-       }
-
-       public Long getProcessId() {
-               return _context.getPid();
-       }
-
-       public Map<String, OScope.Variable> getVisibleVariables()
-                       throws FaultException {
-               Map<String, OScope.Variable> visVars = new HashMap<String, 
OScope.Variable>();
-
-               OActivity current = _scopeFrame.oscope;
-               while (current != null) {
-                       if (current instanceof OScope) {
-                               for (String varName : ((OScope) 
current).getVariables()
-                                               .keySet()) {
-                                       if (!visVars.containsKey(varName)) {
-                                               visVars.put(varName, ((OScope) 
current).getVariables()
-                                                               .get(varName));
-                                       }
-                               }
-                       }
-                       current = current.getParent();
-               }
-
-               return visVars;
-       }
-
-       public boolean isLinkActive(OLink olink) throws FaultException {
-               // TODO Auto-generated method stub
-               return false;
-       }
-
-       public String readMessageProperty(Variable variable, OProperty property)
-                       throws FaultException {
-               VariableInstance vi = _scopeFrame.resolve(variable);
-               return _context.readProperty(vi, property);
-       }
-
-       public Node readVariable(OScope.Variable variable) throws 
FaultException {
-               VariableInstance vi = _scopeFrame.resolve(variable);
-               return _context.readVariable(vi.scopeInstance,
-                               vi.declaration.getName(), true);
-       }
-
-       public void writeVariable(String variableName, Node value)
-                       throws FaultException {
-               VariableInstance vi = _scopeFrame
-                               .resolve(getVisibleVariable(variableName));
-               _context.writeVariable(vi, value);
-       }
-
-       public Node readVariable(String variableName) throws FaultException {
-               VariableInstance vi = _scopeFrame
-                               .resolve(getVisibleVariable(variableName));
-               return _context.readVariable(vi.scopeInstance,
-                               vi.declaration.getName(), true);
-       }
-
-       public void writeVariable(Variable variable, Node value)
-                       throws FaultException {
-               VariableInstance vi = _scopeFrame.resolve(variable);
-               _context.writeVariable(vi, value);
-       }
-
-       private Variable getVisibleVariable(String varName) {
-               return _scopeFrame.oscope.getVisibleVariable(varName);
-       }
+    private BpelRuntimeContext _context;
+    private ScopeFrame _scopeFrame;
+
+    public ExtensionContextImpl(ScopeFrame scopeFrame, BpelRuntimeContext 
context) {
+        _context = context;
+        _scopeFrame = scopeFrame;
+    }
+
+    public List<OLink> getLinks() throws FaultException {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    public Long getProcessId() {
+        return _context.getPid();
+    }
+
+    public Map<String, OScope.Variable> getVisibleVariables() throws 
FaultException {
+        Map<String, OScope.Variable> visVars = new HashMap<String, 
OScope.Variable>();
+
+        OActivity current = _scopeFrame.oscope;
+        while (current != null) {
+            if (current instanceof OScope) {
+                for (String varName : ((OScope) 
current).getVariables().keySet()) {
+                    if (!visVars.containsKey(varName)) {
+                        visVars.put(varName, ((OScope) 
current).getVariables().get(varName));
+                    }
+                }
+            }
+            current = current.getParent();
+        }
+
+        return visVars;
+    }
+
+    public boolean isLinkActive(OLink olink) throws FaultException {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    public String readMessageProperty(Variable variable, OProperty property) 
throws FaultException {
+        VariableInstance vi = _scopeFrame.resolve(variable);
+        return _context.readProperty(vi, property);
+    }
+
+    public Node readVariable(OScope.Variable variable) throws FaultException {
+        VariableInstance vi = _scopeFrame.resolve(variable);
+        return _context.readVariable(vi.scopeInstance, 
vi.declaration.getName(), true);
+    }
+
+    public void writeVariable(String variableName, Node value) throws 
FaultException {
+        VariableInstance vi = 
_scopeFrame.resolve(getVisibleVariable(variableName));
+        _context.writeVariable(vi, value);
+    }
+
+    public Node readVariable(String variableName) throws FaultException {
+        VariableInstance vi = 
_scopeFrame.resolve(getVisibleVariable(variableName));
+        return _context.readVariable(vi.scopeInstance, 
vi.declaration.getName(), true);
+    }
+
+    public void writeVariable(Variable variable, Node value) throws 
FaultException {
+        VariableInstance vi = _scopeFrame.resolve(variable);
+        _context.writeVariable(vi, value);
+    }
+
+    private Variable getVisibleVariable(String varName) {
+        return _scopeFrame.oscope.getVisibleVariable(varName);
+    }
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/channels/ExtensionResponse.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/channels/ExtensionResponse.java
 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/channels/ExtensionResponse.java
index 3720391..faf4e5f 100644
--- 
a/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/channels/ExtensionResponse.java
+++ 
b/bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/channels/ExtensionResponse.java
@@ -1,20 +1,16 @@
 /*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
+ * Licensed to the Apache Software Foundation (ASF) under one or more 
contributor license
+ * agreements. See the NOTICE file distributed with this work for additional 
information regarding
+ * copyright ownership. The ASF licenses this file to you under the Apache 
License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the 
License. You may obtain a
+ * copy of the License at
  *
- *    http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * Unless required by applicable law or agreed to in writing, software 
distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 
KIND, either express
+ * or implied. See the License for the specific language governing permissions 
and limitations under
+ * the License.
  */
 package org.apache.ode.bpel.runtime.channels;
 
@@ -27,8 +23,8 @@ import org.apache.ode.jacob.Channel;
  */
 public interface ExtensionResponse extends Channel {
 
-       void onCompleted();
-       
-       void onFailure(Throwable t);
-       
+    void onCompleted();
+
+    void onFailure(Throwable t);
+
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/test/java/org/apache/ode/bpel/elang/xpath20/runtime/MockCompilerContext.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/test/java/org/apache/ode/bpel/elang/xpath20/runtime/MockCompilerContext.java
 
b/bpel-runtime/src/test/java/org/apache/ode/bpel/elang/xpath20/runtime/MockCompilerContext.java
index ff92db5..561e79f 100644
--- 
a/bpel-runtime/src/test/java/org/apache/ode/bpel/elang/xpath20/runtime/MockCompilerContext.java
+++ 
b/bpel-runtime/src/test/java/org/apache/ode/bpel/elang/xpath20/runtime/MockCompilerContext.java
@@ -251,7 +251,7 @@ public class MockCompilerContext implements CompilerContext 
{
     }
 
     public boolean isExtensionDeclared(String namespace) {
-               // TODO Auto-generated method stub
-               return false;
-       }
+        // TODO Auto-generated method stub
+        return false;
+    }
 }

http://git-wip-us.apache.org/repos/asf/ode/blob/4b87e5b1/bpel-runtime/src/test/java/org/apache/ode/bpel/runtime/CoreBpelTest.java
----------------------------------------------------------------------
diff --git 
a/bpel-runtime/src/test/java/org/apache/ode/bpel/runtime/CoreBpelTest.java 
b/bpel-runtime/src/test/java/org/apache/ode/bpel/runtime/CoreBpelTest.java
index 18dd7a8..aa3a871 100644
--- a/bpel-runtime/src/test/java/org/apache/ode/bpel/runtime/CoreBpelTest.java
+++ b/bpel-runtime/src/test/java/org/apache/ode/bpel/runtime/CoreBpelTest.java
@@ -482,10 +482,9 @@ public class CoreBpelTest extends TestCase implements 
BpelRuntimeContext {
 
     public void checkInvokeExternalPermission() {}
 
-    public void executeExtension(QName extensionId, ExtensionContext context,
-                       Element element,
-                       ExtensionResponse extResponseChannel) throws 
FaultException {
-               // TODO Auto-generated method stub
-               
-       }
+    public void executeExtension(QName extensionId, ExtensionContext context, 
Element element,
+            ExtensionResponse extResponseChannel) throws FaultException {
+        // TODO Auto-generated method stub
+
+    }
 }

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