craigmcc 01/08/13 14:17:40
Added: workflow/src/java/org/apache/commons/workflow/util
MapEntry.java ScopeSupport.java WorkflowUtils.java
Log:
Initial checkin of the workflow management system proposal.
Revision Changes Path
1.1
jakarta-commons-sandbox/workflow/src/java/org/apache/commons/workflow/util/MapEntry.java
Index: MapEntry.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-commons-sandbox/workflow/src/java/org/apache/commons/workflow/util/MapEntry.java,v
1.1 2001/08/13 21:17:40 craigmcc Exp $
* $Revision: 1.1 $
* $Date: 2001/08/13 21:17:40 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.workflow.util;
import java.util.Map;
/**
* General purpose implementation of the <strong>Map.Entry</strong>
* interface for use in returning results from <code>entrySet()</code>
* methods on <code>Map</code> implementations.
*
* @revision $Revision: 1.1 $ $Date: 2001/08/13 21:17:40 $
* @author Craig R. McClanahan
*/
public class MapEntry implements Map.Entry {
// ----------------------------------------------------------- Constructors
/**
* Construct a new MapEntry based on the specified parameters.
*
* @param key Key for this entry
* @param value Value for this entry
*/
public MapEntry(Object key, Object value) {
super();
setKey(key);
setValue(value);
}
// ------------------------------------------------------------- Properties
/**
* The key for this entry.
*/
protected Object key = null;
public Object getKey() {
return (this.key);
}
public void setKey(Object key) {
this.key = key;
}
/**
* The value for for this entry.
*/
protected Object value = null;
public Object getValue() {
return (this.value);
}
public Object setValue(Object value) {
Object old = this.value;
this.value = value;
return (old);
}
}
1.1
jakarta-commons-sandbox/workflow/src/java/org/apache/commons/workflow/util/ScopeSupport.java
Index: ScopeSupport.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-commons-sandbox/workflow/src/java/org/apache/commons/workflow/util/ScopeSupport.java,v
1.1 2001/08/13 21:17:40 craigmcc Exp $
* $Revision: 1.1 $
* $Date: 2001/08/13 21:17:40 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.workflow.util;
import java.util.Map;
import org.apache.commons.workflow.Scope;
import org.apache.commons.workflow.ScopeEvent;
import org.apache.commons.workflow.ScopeListener;
/**
* <strong>ScopeSupport</strong> is a convenience class for managing the
* firing of <code>ScopeEvents</code> to registered
* <code>ScopeListeners</code>.
*
* @revision $Revision: 1.1 $ $Date: 2001/08/13 21:17:40 $
* @author Craig R. McClanahan
*/
public class ScopeSupport {
// ----------------------------------------------------------- Constructors
/**
* Construct a new ScopeSupport object associated with the specified Scope.
*
* @param scope Scope for whom we will fire events
*/
public ScopeSupport(Scope scope) {
super();
this.scope = scope;
}
// ----------------------------------------------------- Instance Variables
/**
* The set of registered <code>ScopeListener</code> event listeners.
*/
protected ScopeListener listeners[] = new ScopeListener[0];
/**
* The <code>Scope</code> for whom we will fire events.
*/
protected Scope scope = null;
// ------------------------------------------------- Event Listener Methods
/**
* Add a listener that is notified each time beans are added,
* replaced, or removed in this scope.
*
* @param listener The ScopeListener to be added
*/
public void addScopeListener(ScopeListener listener) {
synchronized (listeners) {
ScopeListener results[] =
new ScopeListener[listeners.length + 1];
System.arraycopy(listeners, 0, results, 0, listeners.length);
results[listeners.length] = listener;
listeners = results;
}
}
/**
* Remove a listener that is notified each time beans are added,
* replaced, or removed in this scope.
*
* @param listener The ScopeListener to be removed
*/
public void removeScopeListener(ScopeListener listener) {
synchronized (listeners) {
int n = -1;
for (int i = 0; i < listeners.length; i++) {
if (listeners[i] == listener) {
n = i;
break;
}
}
if (n < 0)
return;
ScopeListener results[] =
new ScopeListener[listeners.length - 1];
int j = 0;
for (int i = 0; i < listeners.length; i++) {
if (i != n)
results[j++] = listeners[i];
}
listeners = results;
}
}
// --------------------------------------------------- Event Firing Methods
/**
* Fire a <code>beanAdded()</code> event to all registered listeners.
*
* @param key Key of the bean that was added
* @param value Value of the bean that was added
*/
public void fireBeanAdded(String key, Object value) {
if (listeners.length == 0)
return;
ScopeEvent event = new ScopeEvent(scope, key, value);
ScopeListener interested[] = null;
synchronized (listeners) {
interested = (ScopeListener[]) listeners.clone();
}
for (int i = 0; i < interested.length; i++)
interested[i].beanAdded(event);
}
/**
* Fire a <code>beanRemoved()</code> event to all registered listeners.
*
* @param key Key of the bean that was removed
* @param value Value of the bean that was removed
*/
public void fireBeanRemoved(String key, Object value) {
if (listeners.length == 0)
return;
ScopeEvent event = new ScopeEvent(scope, key, value);
ScopeListener interested[] = null;
synchronized (listeners) {
interested = (ScopeListener[]) listeners.clone();
}
for (int i = 0; i < interested.length; i++)
interested[i].beanRemoved(event);
}
/**
* Fire a <code>beanReplaced()</code> event to all registered listeners.
*
* @param key Key of the bean that was replaced
* @param value Old value of the bean that was replaced
*/
public void fireBeanReplaced(String key, Object value) {
if (listeners.length == 0)
return;
ScopeEvent event = new ScopeEvent(scope, key, value);
ScopeListener interested[] = null;
synchronized (listeners) {
interested = (ScopeListener[]) listeners.clone();
}
for (int i = 0; i < interested.length; i++)
interested[i].beanReplaced(event);
}
/**
* Fire a <code>scopeCleared()</code> event to all registered listeners.
*/
public void fireScopeCleared() {
if (listeners.length == 0)
return;
ScopeEvent event = new ScopeEvent(scope, null, null);
ScopeListener interested[] = null;
synchronized (listeners) {
interested = (ScopeListener[]) listeners.clone();
}
for (int i = 0; i < interested.length; i++)
interested[i].scopeCleared(event);
}
}
1.1
jakarta-commons-sandbox/workflow/src/java/org/apache/commons/workflow/util/WorkflowUtils.java
Index: WorkflowUtils.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-commons-sandbox/workflow/src/java/org/apache/commons/workflow/util/WorkflowUtils.java,v
1.1 2001/08/13 21:17:40 craigmcc Exp $
* $Revision: 1.1 $
* $Date: 2001/08/13 21:17:40 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.workflow.util;
/**
* General purpose static utility methods for the Workflow engine.
*
* @version $Revision: 1.1 $ $Date: 2001/08/13 21:17:40 $
* @author Craig R. McClanahan
*/
public class WorkflowUtils {
/**
* Parse the character encoding from the specified content type header.
* If the content type is null, or there is no explicit character encoding,
* <code>null</code> is returned.
*
* @param contentType a content type header
*/
public static String parseCharacterEncoding(String contentType) {
if (contentType == null)
return (null);
int start = contentType.indexOf("charset=");
if (start < 0)
return (null);
String encoding = contentType.substring(start + 8);
int end = encoding.indexOf(';');
if (end >= 0)
encoding = encoding.substring(0, end);
encoding = encoding.trim();
if ((encoding.length() > 2) && (encoding.startsWith("\""))
&& (encoding.endsWith("\"")))
encoding = encoding.substring(1, encoding.length() - 1);
return (encoding.trim());
}
}
