Author: lgawron Date: Mon Dec 13 06:04:36 2004 New Revision: 111713 URL: http://svn.apache.org/viewcvs?view=rev&rev=111713 Log: svn:eol-style native, svn:keywords Id Modified: cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/environment/ExecutionContext.java (contents, props changed) cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/script/Invoker.java (contents, props changed)
Modified: cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/environment/ExecutionContext.java Url: http://svn.apache.org/viewcvs/cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/environment/ExecutionContext.java?view=diff&rev=111713&p1=cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/environment/ExecutionContext.java&r1=111712&p2=cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/environment/ExecutionContext.java&r2=111713 ============================================================================== --- cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/environment/ExecutionContext.java (original) +++ cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/environment/ExecutionContext.java Mon Dec 13 06:04:36 2004 @@ -1,74 +1,74 @@ -/* - * Copyright 1999-2004 The Apache Software Foundation. - * - * Licensed 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 - * - * 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.cocoon.template.jxtg.environment; - -import java.util.Map; - -import org.apache.avalon.framework.service.ServiceManager; -import org.apache.cocoon.template.jxtg.expression.MyJexlContext; -import org.apache.commons.jxpath.JXPathContext; -import org.apache.commons.jxpath.Variables; - -public class ExecutionContext { - private MyJexlContext jexlContext; - private JXPathContext jxpathContext; - private Variables variables; - private Map definitions; - private Map cache; - private ServiceManager manager; - - public ExecutionContext(MyJexlContext jexlContext, JXPathContext jxpathContext, - Variables variables, Map definitions, Map cache, - ServiceManager manager) { - this.jexlContext = jexlContext; - this.jxpathContext = jxpathContext; - this.variables = variables; - this.definitions = definitions; - this.cache = cache; - this.manager = manager; - } - - public MyJexlContext getJexlContext() { - return this.jexlContext; - } - - public JXPathContext getJXPathContext() { - return this.jxpathContext; - } - - public Variables getVariables() { - return this.variables; - } - - public Map getDefinitions() { - return this.definitions; - } - - public Map getCache() { - return this.cache; - } - - public ServiceManager getServiceManager() { - return this.manager; - } - - public ExecutionContext getChildContext(MyJexlContext jexlContext, - JXPathContext jxpathContext) { - return new ExecutionContext(jexlContext, jxpathContext, - this.variables, this.definitions, this.cache, - this.manager); - } -} +/* + * Copyright 1999-2004 The Apache Software Foundation. + * + * Licensed 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 + * + * 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.cocoon.template.jxtg.environment; + +import java.util.Map; + +import org.apache.avalon.framework.service.ServiceManager; +import org.apache.cocoon.template.jxtg.expression.MyJexlContext; +import org.apache.commons.jxpath.JXPathContext; +import org.apache.commons.jxpath.Variables; + +public class ExecutionContext { + private MyJexlContext jexlContext; + private JXPathContext jxpathContext; + private Variables variables; + private Map definitions; + private Map cache; + private ServiceManager manager; + + public ExecutionContext(MyJexlContext jexlContext, JXPathContext jxpathContext, + Variables variables, Map definitions, Map cache, + ServiceManager manager) { + this.jexlContext = jexlContext; + this.jxpathContext = jxpathContext; + this.variables = variables; + this.definitions = definitions; + this.cache = cache; + this.manager = manager; + } + + public MyJexlContext getJexlContext() { + return this.jexlContext; + } + + public JXPathContext getJXPathContext() { + return this.jxpathContext; + } + + public Variables getVariables() { + return this.variables; + } + + public Map getDefinitions() { + return this.definitions; + } + + public Map getCache() { + return this.cache; + } + + public ServiceManager getServiceManager() { + return this.manager; + } + + public ExecutionContext getChildContext(MyJexlContext jexlContext, + JXPathContext jxpathContext) { + return new ExecutionContext(jexlContext, jxpathContext, + this.variables, this.definitions, this.cache, + this.manager); + } +} Modified: cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/script/Invoker.java Url: http://svn.apache.org/viewcvs/cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/script/Invoker.java?view=diff&rev=111713&p1=cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/script/Invoker.java&r1=111712&p2=cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/script/Invoker.java&r2=111713 ============================================================================== --- cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/script/Invoker.java (original) +++ cocoon/trunk/src/blocks/template/java/org/apache/cocoon/template/jxtg/script/Invoker.java Mon Dec 13 06:04:36 2004 @@ -1,915 +1,915 @@ -/* - * Copyright 1999-2004 The Apache Software Foundation. - * - * Licensed 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 - * - * 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.cocoon.template.jxtg.script; - -import java.util.HashMap; -import java.util.Iterator; -import java.util.Map; -import java.util.Properties; - -import org.apache.avalon.framework.service.ServiceManager; -import org.apache.cocoon.ProcessingException; -import org.apache.cocoon.components.source.SourceUtil; -import org.apache.cocoon.environment.SourceResolver; -import org.apache.cocoon.template.jxtg.JXTemplateGenerator; -import org.apache.cocoon.template.jxtg.environment.ErrorHolder; -import org.apache.cocoon.template.jxtg.environment.ExecutionContext; -import org.apache.cocoon.template.jxtg.environment.JSIntrospector; -import org.apache.cocoon.template.jxtg.environment.LocatorFacade; -import org.apache.cocoon.template.jxtg.environment.MyVariables; -import org.apache.cocoon.template.jxtg.environment.ValueHelper; -import org.apache.cocoon.template.jxtg.expression.JXTExpression; -import org.apache.cocoon.template.jxtg.expression.Literal; -import org.apache.cocoon.template.jxtg.expression.MyJexlContext; -import org.apache.cocoon.template.jxtg.expression.Subst; -import org.apache.cocoon.template.jxtg.script.Parser; -import org.apache.cocoon.template.jxtg.script.event.*; -import org.apache.cocoon.xml.IncludeXMLConsumer; -import org.apache.cocoon.xml.XMLConsumer; -import org.apache.cocoon.xml.XMLUtils; -import org.apache.cocoon.xml.dom.DOMBuilder; -import org.apache.cocoon.xml.dom.DOMStreamer; -import org.apache.commons.jexl.Expression; -import org.apache.commons.jexl.JexlContext; -import org.apache.commons.jexl.util.Introspector; -import org.apache.commons.jexl.util.introspection.Info; -import org.apache.commons.jxpath.CompiledExpression; -import org.apache.commons.jxpath.JXPathContext; -import org.apache.commons.jxpath.JXPathContextFactory; -import org.apache.commons.jxpath.Pointer; -import org.apache.commons.lang.ArrayUtils; -import org.apache.commons.lang.StringUtils; -import org.apache.excalibur.source.Source; -import org.apache.excalibur.source.SourceValidity; -import org.apache.excalibur.xml.sax.XMLizable; -import org.mozilla.javascript.NativeArray; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; -import org.xml.sax.Attributes; -import org.xml.sax.Locator; -import org.xml.sax.SAXException; -import org.xml.sax.SAXParseException; -import org.xml.sax.helpers.AttributesImpl; - -public class Invoker { - private static final JXPathContextFactory jxpathContextFactory = - JXPathContextFactory.newInstance(); - private static final Attributes EMPTY_ATTRS = new AttributesImpl(); - - private static final Iterator EMPTY_ITER = new Iterator() { - public boolean hasNext() { - return false; - } - - public Object next() { - return null; - } - - public void remove() { - // EMPTY - } - }; - - private static final Iterator NULL_ITER = new Iterator() { - public boolean hasNext() { - return true; - } - - public Object next() { - return null; - } - - public void remove() { - // EMPTY - } - }; - - public static void execute(final XMLConsumer consumer, ExecutionContext executionContext, - StartElement macroCall, Event startEvent, Event endEvent) - throws SAXException { - - MyJexlContext jexlContext = executionContext.getJexlContext(); - JXPathContext jxpathContext = executionContext.getJXPathContext(); - - Event ev = startEvent; - LocatorFacade loc = new LocatorFacade(ev.getLocation()); - consumer.setDocumentLocator(loc); - while (ev != endEvent) { - loc.setDocumentLocator(ev.getLocation()); - if (ev instanceof Characters) { - TextEvent text = (TextEvent) ev; - Iterator iter = text.getSubstitutions().iterator(); - while (iter.hasNext()) { - Object subst = iter.next(); - char[] chars; - if (subst instanceof char[]) { - chars = (char[]) subst; - } else { - JXTExpression expr = (JXTExpression) subst; - try { - Object val = ValueHelper.getNode(expr, jexlContext, - jxpathContext); - if (val instanceof Node) { - executeDOM(consumer, (Node) val); - continue; - } else if (val instanceof NodeList) { - NodeList nodeList = (NodeList) val; - int len = nodeList.getLength(); - for (int i = 0; i < len; i++) { - Node n = nodeList.item(i); - executeDOM(consumer, n); - } - continue; - } else if (val instanceof Node[]) { - Node[] nodeList = (Node[]) val; - int len = nodeList.length; - for (int i = 0; i < len; i++) { - Node n = nodeList[i]; - executeDOM(consumer, n); - } - continue; - } else if (val instanceof XMLizable) { - ((XMLizable) val).toSAX(new IncludeXMLConsumer( - consumer)); - continue; - } - chars = val != null ? val.toString().toCharArray() - : ArrayUtils.EMPTY_CHAR_ARRAY; - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), ev - .getLocation(), e); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), ev - .getLocation(), new ErrorHolder(err)); - } - } - consumer.characters(chars, 0, chars.length); - } - } else if (ev instanceof EndElement) { - EndElement endElement = (EndElement) ev; - StartElement startElement = endElement.getStartElement(); - consumer.endElement(startElement.getNamespaceURI(), - startElement.getLocalName(), startElement.getRaw()); - } else if (ev instanceof EndPrefixMapping) { - EndPrefixMapping endPrefixMapping = (EndPrefixMapping) ev; - consumer.endPrefixMapping(endPrefixMapping.getPrefix()); - } else if (ev instanceof IgnorableWhitespace) { - TextEvent text = (TextEvent) ev; - characters(executionContext, text, new CharHandler() { - public void characters(char[] ch, int offset, int len) - throws SAXException { - consumer.ignorableWhitespace(ch, offset, len); - } - }); - } else if (ev instanceof SkippedEntity) { - SkippedEntity skippedEntity = (SkippedEntity) ev; - consumer.skippedEntity(skippedEntity.getName()); - } else if (ev instanceof StartIf) { - StartIf startIf = (StartIf) ev; - Object val; - try { - val = ValueHelper.getValue(startIf.getTest(), jexlContext, - jxpathContext, Boolean.TRUE); - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), ev - .getLocation(), e); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), ev - .getLocation(), new ErrorHolder(err)); - } - boolean result = false; - if (val instanceof Boolean) { - result = ((Boolean) val).booleanValue(); - } else { - result = (val != null); - } - if (!result) { - ev = startIf.getEndInstruction().getNext(); - continue; - } - } else if (ev instanceof StartForEach) { - StartForEach startForEach = (StartForEach) ev; - final Object items = startForEach.getItems(); - Iterator iter = null; - int begin, end, step; - String var, varStatus; - try { - if (items != null) { - JXTExpression expr = (JXTExpression) items; - if (expr.getCompiledExpression() instanceof CompiledExpression) { - CompiledExpression compiledExpression = (CompiledExpression) expr - .getCompiledExpression(); - Object val = compiledExpression.getPointer( - jxpathContext, expr.getRaw()).getNode(); - // FIXME: workaround for JXPath bug - iter = val instanceof NativeArray ? new JSIntrospector.NativeArrayIterator( - (NativeArray) val) - : compiledExpression - .iteratePointers(jxpathContext); - } else if (expr.getCompiledExpression() instanceof Expression) { - Expression e = (Expression) expr - .getCompiledExpression(); - Object result = e.evaluate(jexlContext); - if (result != null) { - iter = Introspector.getUberspect().getIterator( - result, - new Info( - ev.getLocation().getSystemId(), - ev.getLocation() - .getLineNumber(), ev - .getLocation() - .getColumnNumber())); - } - if (iter == null) { - iter = EMPTY_ITER; - } - } else { - // literal value - iter = new Iterator() { - Object val = items; - - public boolean hasNext() { - return val != null; - } - - public Object next() { - Object res = val; - val = null; - return res; - } - - public void remove() { - // EMPTY - } - }; - } - } else { - iter = NULL_ITER; - } - begin = startForEach.getBegin() == null ? 0 : ValueHelper - .getIntValue(startForEach.getBegin(), jexlContext, - jxpathContext); - end = startForEach.getEnd() == null ? Integer.MAX_VALUE - : ValueHelper.getIntValue(startForEach.getEnd(), - jexlContext, jxpathContext); - step = startForEach.getStep() == null ? 1 : ValueHelper - .getIntValue(startForEach.getStep(), jexlContext, - jxpathContext); - var = ValueHelper.getStringValue(startForEach.getVar(), - jexlContext, jxpathContext); - varStatus = ValueHelper.getStringValue(startForEach - .getVarStatus(), jexlContext, jxpathContext); - } catch (Exception exc) { - throw new SAXParseException(exc.getMessage(), ev - .getLocation(), exc); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), ev - .getLocation(), new ErrorHolder(err)); - } - MyJexlContext localJexlContext = new MyJexlContext(jexlContext); - MyVariables localJXPathVariables = new MyVariables( - (MyVariables) jxpathContext.getVariables()); - int i = 0; - // Move to the begin row - while (i < begin && iter.hasNext()) { - iter.next(); - i++; - } - LoopTagStatus status = null; - if (varStatus != null) { - status = new LoopTagStatus(); - status.setBegin(begin); - status.setEnd(end); - status.setStep(step); - status.setFirst(true); - localJexlContext.put(varStatus, status); - localJXPathVariables.declareVariable(varStatus, status); - } - int skipCounter, count = 1; - JXPathContext localJXPathContext = null; - while (i <= end && iter.hasNext()) { - Object value = iter.next(); - if (value instanceof Pointer) { - Pointer ptr = (Pointer) value; - localJXPathContext = jxpathContext - .getRelativeContext(ptr); - try { - value = ptr.getNode(); - } catch (Exception exc) { - throw new SAXParseException(exc.getMessage(), ev - .getLocation(), null); - } - } else { - localJXPathContext = jxpathContextFactory.newContext( - jxpathContext, value); - } - localJXPathContext.setVariables(localJXPathVariables); - if (var != null) { - localJexlContext.put(var, value); - } - if (status != null) { - status.setIndex(i); - status.setCount(count); - status.setFirst(i == begin); - status.setCurrent(value); - status.setLast((i == end || !iter.hasNext())); - } - execute(consumer, - executionContext.getChildContext(localJexlContext, localJXPathContext), - macroCall, startForEach.getNext(), startForEach.getEndInstruction()); - // Skip rows - skipCounter = step; - while (--skipCounter > 0 && iter.hasNext()) { - iter.next(); - } - // Increase index - i += step; - count++; - } - ev = startForEach.getEndInstruction().getNext(); - continue; - } else if (ev instanceof StartChoose) { - StartChoose startChoose = (StartChoose) ev; - StartWhen startWhen = startChoose.getFirstChoice(); - while (startWhen != null) { - Object val; - try { - val = ValueHelper.getValue(startWhen.getTest(), jexlContext, - jxpathContext, Boolean.TRUE); - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), ev - .getLocation(), e); - } - boolean result; - if (val instanceof Boolean) { - result = ((Boolean) val).booleanValue(); - } else { - result = (val != null); - } - if (result) { - execute(consumer, executionContext, - macroCall, startWhen.getNext(), startWhen.getEndInstruction()); - break; - } - startWhen = startWhen.getNextChoice(); - } - if (startWhen == null && startChoose.getOtherwise() != null) { - execute(consumer, executionContext, macroCall, - startChoose.getOtherwise().getNext(), - startChoose.getOtherwise().getEndInstruction()); - } - ev = startChoose.getEndInstruction().getNext(); - continue; - } else if (ev instanceof StartSet) { - StartSet startSet = (StartSet) ev; - Object value = null; - String var = null; - try { - if (startSet.getVar() != null) { - var = ValueHelper.getStringValue(startSet.getVar(), - jexlContext, jxpathContext); - } - if (startSet.getValue() != null) { - value = ValueHelper.getNode(startSet.getValue(), - jexlContext, jxpathContext); - } - } catch (Exception exc) { - throw new SAXParseException(exc.getMessage(), ev - .getLocation(), exc); - } - if (value == null) { - NodeList nodeList = toDOMNodeList("set", startSet, - executionContext, macroCall); - // JXPath doesn't handle NodeList, so convert it to an array - int len = nodeList.getLength(); - Node[] nodeArr = new Node[len]; - for (int i = 0; i < len; i++) { - nodeArr[i] = nodeList.item(i); - } - value = nodeArr; - } - if (var != null) { - jxpathContext.getVariables().declareVariable(var, value); - jexlContext.put(var, value); - } - ev = startSet.getEndInstruction().getNext(); - continue; - } else if (ev instanceof StartElement) { - StartElement startElement = (StartElement) ev; - StartDefine def = - (StartDefine) executionContext.getDefinitions().get(startElement - .getQname()); - if (def != null) { - Map attributeMap = new HashMap(); - Iterator i = startElement.getAttributeEvents().iterator(); - while (i.hasNext()) { - String attributeName; - Object attributeValue; - AttributeEvent attrEvent = (AttributeEvent) i.next(); - attributeName = attrEvent.getLocalName(); - if (attrEvent instanceof CopyAttribute) { - CopyAttribute copy = (CopyAttribute) attrEvent; - attributeValue = copy.getValue(); - } else if (attrEvent instanceof SubstituteAttribute) { - SubstituteAttribute substEvent = (SubstituteAttribute) attrEvent; - if (substEvent.getSubstitutions().size() == 1 - && substEvent.getSubstitutions().get(0) instanceof JXTExpression) { - JXTExpression expr = (JXTExpression) substEvent - .getSubstitutions().get(0); - Object val; - try { - val = ValueHelper.getNode(expr, - jexlContext, jxpathContext); - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), - ev.getLocation(), e); - } catch (Error err) { - throw new SAXParseException(err - .getMessage(), ev.getLocation(), - new ErrorHolder(err)); - } - attributeValue = val != null ? val : ""; - } else { - StringBuffer buf = new StringBuffer(); - Iterator iterSubst = substEvent - .getSubstitutions().iterator(); - while (iterSubst.hasNext()) { - Subst subst = (Subst) iterSubst.next(); - if (subst instanceof Literal) { - Literal lit = (Literal) subst; - buf.append(lit.getValue()); - } else if (subst instanceof JXTExpression) { - JXTExpression expr = (JXTExpression) subst; - Object val; - try { - val = ValueHelper.getValue(expr, - jexlContext, jxpathContext); - } catch (Exception e) { - throw new SAXParseException(e - .getMessage(), ev - .getLocation(), e); - } catch (Error err) { - throw new SAXParseException(err - .getMessage(), ev - .getLocation(), - new ErrorHolder(err)); - } - buf.append(val != null ? val.toString() - : ""); - } - } - attributeValue = buf.toString(); - } - } else { - throw new Error("this shouldn't have happened"); - } - attributeMap.put(attributeName, attributeValue); - } - MyVariables parent = (MyVariables) jxpathContext - .getVariables(); - MyVariables vars = new MyVariables(parent); - MyJexlContext localJexlContext = new MyJexlContext( - jexlContext); - HashMap macro = new HashMap(); - macro.put("body", startElement); - macro.put("arguments", attributeMap); - localJexlContext.put("macro", macro); - vars.declareVariable("macro", macro); - Iterator iter = def.getParameters().entrySet().iterator(); - while (iter.hasNext()) { - Map.Entry e = (Map.Entry) iter.next(); - String key = (String) e.getKey(); - StartParameter startParam = (StartParameter) e - .getValue(); - Object default_ = startParam.getDefaultValue(); - Object val = attributeMap.get(key); - if (val == null) { - val = default_; - } - localJexlContext.put(key, val); - vars.declareVariable(key, val); - } - JXPathContext localJXPathContext = jxpathContextFactory - .newContext(null, jxpathContext.getContextBean()); - localJXPathContext.setVariables(vars); - call(ev.getLocation(), startElement, consumer, - executionContext.getChildContext(localJexlContext, localJXPathContext), - def.getBody(), def.getEndInstruction()); - ev = startElement.getEndElement().getNext(); - continue; - } - Iterator i = startElement.getAttributeEvents().iterator(); - AttributesImpl attrs = new AttributesImpl(); - while (i.hasNext()) { - AttributeEvent attrEvent = (AttributeEvent) i.next(); - if (attrEvent instanceof CopyAttribute) { - CopyAttribute copy = (CopyAttribute) attrEvent; - attrs.addAttribute(copy.getNamespaceURI(), copy - .getLocalName(), copy.getRaw(), copy.getType(), - copy.getValue()); - } else if (attrEvent instanceof SubstituteAttribute) { - StringBuffer buf = new StringBuffer(); - SubstituteAttribute substEvent = (SubstituteAttribute) attrEvent; - Iterator iterSubst = substEvent.getSubstitutions() - .iterator(); - while (iterSubst.hasNext()) { - Subst subst = (Subst) iterSubst.next(); - if (subst instanceof Literal) { - Literal lit = (Literal) subst; - buf.append(lit.getValue()); - } else if (subst instanceof JXTExpression) { - JXTExpression expr = (JXTExpression) subst; - Object val; - try { - val = ValueHelper.getValue(expr, - jexlContext, jxpathContext); - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), - ev.getLocation(), e); - } catch (Error err) { - throw new SAXParseException(err - .getMessage(), ev.getLocation(), - new ErrorHolder(err)); - } - buf.append(val != null ? val.toString() : ""); - } - } - attrs.addAttribute(attrEvent.getNamespaceURI(), - attrEvent.getLocalName(), attrEvent.getRaw(), - attrEvent.getType(), buf.toString()); - } - } - consumer.startElement(startElement.getNamespaceURI(), - startElement.getLocalName(), startElement.getRaw(), - attrs); - } else if (ev instanceof StartFormatNumber) { - StartFormatNumber startFormatNumber = (StartFormatNumber) ev; - try { - String result = startFormatNumber.format(jexlContext, - jxpathContext); - if (result != null) { - char[] chars = result.toCharArray(); - consumer.characters(chars, 0, chars.length); - } - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), ev - .getLocation(), e); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), ev - .getLocation(), new ErrorHolder(err)); - } - } else if (ev instanceof StartFormatDate) { - StartFormatDate startFormatDate = (StartFormatDate) ev; - try { - String result = startFormatDate.format(jexlContext, - jxpathContext); - if (result != null) { - char[] chars = result.toCharArray(); - consumer.characters(chars, 0, chars.length); - } - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), ev - .getLocation(), e); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), ev - .getLocation(), new ErrorHolder(err)); - } - } else if (ev instanceof StartPrefixMapping) { - StartPrefixMapping startPrefixMapping = (StartPrefixMapping) ev; - consumer.startPrefixMapping(startPrefixMapping.getPrefix(), - startPrefixMapping.getUri()); - } else if (ev instanceof StartComment) { - StartComment startJXComment = (StartComment) ev; - // Parse the body of the comment - NodeList nodeList = toDOMNodeList("comment", startJXComment, - executionContext, macroCall); - // JXPath doesn't handle NodeList, so convert it to an array - int len = nodeList.getLength(); - final StringBuffer buf = new StringBuffer(); - Properties omit = XMLUtils.createPropertiesForXML(true); - for (int i = 0; i < len; i++) { - try { - String str = XMLUtils.serializeNode(nodeList.item(i), - omit); - buf.append(StringUtils.substringAfter(str, ">")); // cut - // the - // XML - // header - } catch (ProcessingException e) { - throw new SAXParseException(e.getMessage(), - startJXComment.getLocation(), e); - } - } - char[] chars = new char[buf.length()]; - buf.getChars(0, chars.length, chars, 0); - consumer.comment(chars, 0, chars.length); - ev = startJXComment.getEndInstruction().getNext(); - continue; - } else if (ev instanceof EndCDATA) { - consumer.endCDATA(); - } else if (ev instanceof EndDTD) { - consumer.endDTD(); - } else if (ev instanceof EndEntity) { - consumer.endEntity(((EndEntity) ev).getName()); - } else if (ev instanceof StartCDATA) { - consumer.startCDATA(); - } else if (ev instanceof StartDTD) { - StartDTD startDTD = (StartDTD) ev; - consumer.startDTD(startDTD.getName(), startDTD.getPublicId(), - startDTD.getSystemId()); - } else if (ev instanceof StartEntity) { - consumer.startEntity(((StartEntity) ev).getName()); - } else if (ev instanceof StartOut) { - StartOut startOut = (StartOut) ev; - Object val; - try { - val = ValueHelper.getNode(startOut.getCompiledExpression(), - jexlContext, jxpathContext, startOut.getLenient()); - if (val instanceof Node) { - executeDOM(consumer, (Node) val); - } else if (val instanceof NodeList) { - NodeList nodeList = (NodeList) val; - int len = nodeList.getLength(); - for (int i = 0; i < len; i++) { - Node n = nodeList.item(i); - executeDOM(consumer, n); - } - } else if (val instanceof Node[]) { - Node[] nodeList = (Node[]) val; - int len = nodeList.length; - for (int i = 0; i < len; i++) { - Node n = nodeList[i]; - executeDOM(consumer, n); - } - } else if (val instanceof XMLizable) { - ((XMLizable) val) - .toSAX(new IncludeXMLConsumer(consumer)); - } else { - char[] ch = val == null ? ArrayUtils.EMPTY_CHAR_ARRAY - : val.toString().toCharArray(); - consumer.characters(ch, 0, ch.length); - } - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), ev - .getLocation(), e); - } - } else if (ev instanceof StartTemplate) { - // EMPTY - } else if (ev instanceof StartEval) { - StartEval startEval = (StartEval) ev; - JXTExpression expr = startEval.getValue(); - try { - Object val = ValueHelper.getNode(expr, jexlContext, - jxpathContext); - if (!(val instanceof StartElement)) { - throw new Exception( - "macro invocation required instead of: " + val); - } - StartElement call = (StartElement) val; - execute(consumer, executionContext, call, call - .getNext(), call.getEndElement()); - } catch (Exception exc) { - throw new SAXParseException(exc.getMessage(), ev - .getLocation(), exc); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), ev - .getLocation(), new ErrorHolder(err)); - } - ev = startEval.getEndInstruction().getNext(); - continue; - } else if (ev instanceof StartEvalBody) { - StartEvalBody startEval = (StartEvalBody) ev; - try { - execute(consumer, executionContext, null, - macroCall.getNext(), macroCall.getEndElement()); - } catch (Exception exc) { - throw new SAXParseException(exc.getMessage(), ev - .getLocation(), exc); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), ev - .getLocation(), new ErrorHolder(err)); - } - ev = startEval.getEndInstruction().getNext(); - continue; - } else if (ev instanceof StartDefine) { - StartDefine startDefine = (StartDefine) ev; - executionContext.getDefinitions().put(startDefine.getQname(), startDefine); - ev = startDefine.getEndInstruction().getNext(); - continue; - } else if (ev instanceof StartImport) { - StartImport startImport = (StartImport) ev; - String uri; - AttributeEvent e = startImport.getUri(); - if (e instanceof CopyAttribute) { - CopyAttribute copy = (CopyAttribute) e; - uri = copy.getValue(); - } else { - StringBuffer buf = new StringBuffer(); - SubstituteAttribute substAttr = (SubstituteAttribute) e; - Iterator i = substAttr.getSubstitutions().iterator(); - while (i.hasNext()) { - Subst subst = (Subst) i.next(); - if (subst instanceof Literal) { - Literal lit = (Literal) subst; - buf.append(lit.getValue()); - } else if (subst instanceof JXTExpression) { - JXTExpression expr = (JXTExpression) subst; - Object val; - try { - val = ValueHelper.getValue(expr, jexlContext, - jxpathContext); - } catch (Exception exc) { - throw new SAXParseException(exc.getMessage(), - ev.getLocation(), exc); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), - ev.getLocation(), new ErrorHolder(err)); - } - buf.append(val != null ? val.toString() : ""); - } - } - uri = buf.toString(); - } - Source input = null; - StartDocument doc; - ServiceManager manager = executionContext.getServiceManager(); - SourceResolver resolver = null; - try { - resolver = (SourceResolver)manager.lookup(SourceResolver.ROLE); - input = resolver.resolveURI(uri); - SourceValidity validity = null; - Map cache = executionContext.getCache(); - synchronized (cache) { - doc = (StartDocument) cache.get(input.getURI()); - if (doc != null) { - boolean recompile = false; - if (doc.getCompileTime() == null) { - recompile = true; - } else { - int valid = doc.getCompileTime().isValid(); - if (valid == SourceValidity.UNKNOWN) { - validity = input.getValidity(); - valid = doc.getCompileTime().isValid( - validity); - } - if (valid != SourceValidity.VALID) { - recompile = true; - } - } - if (recompile) { - doc = null; // recompile - } - } - } - if (doc == null) { - Parser parser = new Parser(); - // call getValidity before using the stream is faster if - // the source is a SitemapSource - if (validity == null) { - validity = input.getValidity(); - } - SourceUtil.parse(manager, input, parser); - doc = parser.getStartEvent(); - doc.setCompileTime(validity); - synchronized (cache) { - cache.put(input.getURI(), doc); - } - } - } catch (Exception exc) { - throw new SAXParseException(exc.getMessage(), ev - .getLocation(), exc); - } finally { - resolver.release(input); - manager.release(resolver); - } - JXPathContext selectJXPath = jxpathContext; - MyJexlContext selectJexl = jexlContext; - if (startImport.getSelect() != null) { - try { - Object obj = ValueHelper.getValue(startImport - .getSelect(), jexlContext, jxpathContext); - selectJXPath = jxpathContextFactory.newContext(null, - obj); - selectJXPath.setVariables(executionContext.getVariables()); - selectJexl = new MyJexlContext(jexlContext); - JXTemplateGenerator.fillContext(obj, selectJexl); - } catch (Exception exc) { - throw new SAXParseException(exc.getMessage(), ev - .getLocation(), exc); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), ev - .getLocation(), new ErrorHolder(err)); - } - } - try { - execute(consumer, - executionContext.getChildContext(selectJexl, selectJXPath), - macroCall, doc.getNext(), doc.getEndDocument()); - } catch (Exception exc) { - throw new SAXParseException( - "Exception occurred in imported template " + uri - + ": " + exc.getMessage(), - ev.getLocation(), exc); - } - ev = startImport.getEndInstruction().getNext(); - continue; - } else if (ev instanceof StartDocument) { - if (((StartDocument) ev).getEndDocument() != null) { - // if this isn't a document fragment - consumer.startDocument(); - } - } else if (ev instanceof EndDocument) { - consumer.endDocument(); - } else if (ev instanceof ProcessingInstruction) { - ProcessingInstruction pi = (ProcessingInstruction) ev; - consumer.processingInstruction(pi.getTarget(), pi.getData()); - } - ev = ev.getNext(); - } - } - - interface CharHandler { - public void characters(char[] ch, int offset, int length) - throws SAXException; - } - - private static void characters(ExecutionContext executionContext, - TextEvent event, CharHandler handler) - throws SAXException { - Iterator iter = event.getSubstitutions().iterator(); - while (iter.hasNext()) { - Object subst = iter.next(); - char[] chars; - if (subst instanceof char[]) { - chars = (char[]) subst; - } else { - JXTExpression expr = (JXTExpression) subst; - try { - Object val = ValueHelper.getValue(expr, - executionContext.getJexlContext(), - executionContext.getJXPathContext()); - chars = val != null ? val.toString().toCharArray() - : ArrayUtils.EMPTY_CHAR_ARRAY; - } catch (Exception e) { - throw new SAXParseException(e.getMessage(), event - .getLocation(), e); - } catch (Error err) { - throw new SAXParseException(err.getMessage(), event - .getLocation(), new ErrorHolder(err)); - } - } - handler.characters(chars, 0, chars.length); - } - } - - /** - * dump a DOM document, using an IncludeXMLConsumer to filter out start/end - * document events - */ - private static void executeDOM(final XMLConsumer consumer, Node node) - throws SAXException { - IncludeXMLConsumer includer = new IncludeXMLConsumer(consumer); - DOMStreamer streamer = new DOMStreamer(includer); - streamer.stream(node); - } - - private static void call(Locator location, StartElement macroCall, - final XMLConsumer consumer, ExecutionContext executionContext, - Event startEvent, Event endEvent) - throws SAXException { - try { - execute(consumer, executionContext, macroCall, startEvent, endEvent); - } catch (SAXParseException exc) { - throw new SAXParseException(macroCall.getLocalName() + ": " - + exc.getMessage(), location, exc); - } - } - - private static NodeList toDOMNodeList(String elementName, StartInstruction si, - ExecutionContext executionContext, StartElement macroCall) - throws SAXException { - DOMBuilder builder = new DOMBuilder(); - builder.startDocument(); - builder.startElement(JXTemplateGenerator.NS, elementName, elementName, EMPTY_ATTRS); - execute(builder, executionContext, macroCall, si.getNext(), - si.getEndInstruction()); - builder.endElement(JXTemplateGenerator.NS, elementName, elementName); - builder.endDocument(); - Node node = builder.getDocument().getDocumentElement(); - return node.getChildNodes(); - } - -} +/* + * Copyright 1999-2004 The Apache Software Foundation. + * + * Licensed 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 + * + * 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.cocoon.template.jxtg.script; + +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; +import java.util.Properties; + +import org.apache.avalon.framework.service.ServiceManager; +import org.apache.cocoon.ProcessingException; +import org.apache.cocoon.components.source.SourceUtil; +import org.apache.cocoon.environment.SourceResolver; +import org.apache.cocoon.template.jxtg.JXTemplateGenerator; +import org.apache.cocoon.template.jxtg.environment.ErrorHolder; +import org.apache.cocoon.template.jxtg.environment.ExecutionContext; +import org.apache.cocoon.template.jxtg.environment.JSIntrospector; +import org.apache.cocoon.template.jxtg.environment.LocatorFacade; +import org.apache.cocoon.template.jxtg.environment.MyVariables; +import org.apache.cocoon.template.jxtg.environment.ValueHelper; +import org.apache.cocoon.template.jxtg.expression.JXTExpression; +import org.apache.cocoon.template.jxtg.expression.Literal; +import org.apache.cocoon.template.jxtg.expression.MyJexlContext; +import org.apache.cocoon.template.jxtg.expression.Subst; +import org.apache.cocoon.template.jxtg.script.Parser; +import org.apache.cocoon.template.jxtg.script.event.*; +import org.apache.cocoon.xml.IncludeXMLConsumer; +import org.apache.cocoon.xml.XMLConsumer; +import org.apache.cocoon.xml.XMLUtils; +import org.apache.cocoon.xml.dom.DOMBuilder; +import org.apache.cocoon.xml.dom.DOMStreamer; +import org.apache.commons.jexl.Expression; +import org.apache.commons.jexl.JexlContext; +import org.apache.commons.jexl.util.Introspector; +import org.apache.commons.jexl.util.introspection.Info; +import org.apache.commons.jxpath.CompiledExpression; +import org.apache.commons.jxpath.JXPathContext; +import org.apache.commons.jxpath.JXPathContextFactory; +import org.apache.commons.jxpath.Pointer; +import org.apache.commons.lang.ArrayUtils; +import org.apache.commons.lang.StringUtils; +import org.apache.excalibur.source.Source; +import org.apache.excalibur.source.SourceValidity; +import org.apache.excalibur.xml.sax.XMLizable; +import org.mozilla.javascript.NativeArray; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; +import org.xml.sax.Attributes; +import org.xml.sax.Locator; +import org.xml.sax.SAXException; +import org.xml.sax.SAXParseException; +import org.xml.sax.helpers.AttributesImpl; + +public class Invoker { + private static final JXPathContextFactory jxpathContextFactory = + JXPathContextFactory.newInstance(); + private static final Attributes EMPTY_ATTRS = new AttributesImpl(); + + private static final Iterator EMPTY_ITER = new Iterator() { + public boolean hasNext() { + return false; + } + + public Object next() { + return null; + } + + public void remove() { + // EMPTY + } + }; + + private static final Iterator NULL_ITER = new Iterator() { + public boolean hasNext() { + return true; + } + + public Object next() { + return null; + } + + public void remove() { + // EMPTY + } + }; + + public static void execute(final XMLConsumer consumer, ExecutionContext executionContext, + StartElement macroCall, Event startEvent, Event endEvent) + throws SAXException { + + MyJexlContext jexlContext = executionContext.getJexlContext(); + JXPathContext jxpathContext = executionContext.getJXPathContext(); + + Event ev = startEvent; + LocatorFacade loc = new LocatorFacade(ev.getLocation()); + consumer.setDocumentLocator(loc); + while (ev != endEvent) { + loc.setDocumentLocator(ev.getLocation()); + if (ev instanceof Characters) { + TextEvent text = (TextEvent) ev; + Iterator iter = text.getSubstitutions().iterator(); + while (iter.hasNext()) { + Object subst = iter.next(); + char[] chars; + if (subst instanceof char[]) { + chars = (char[]) subst; + } else { + JXTExpression expr = (JXTExpression) subst; + try { + Object val = ValueHelper.getNode(expr, jexlContext, + jxpathContext); + if (val instanceof Node) { + executeDOM(consumer, (Node) val); + continue; + } else if (val instanceof NodeList) { + NodeList nodeList = (NodeList) val; + int len = nodeList.getLength(); + for (int i = 0; i < len; i++) { + Node n = nodeList.item(i); + executeDOM(consumer, n); + } + continue; + } else if (val instanceof Node[]) { + Node[] nodeList = (Node[]) val; + int len = nodeList.length; + for (int i = 0; i < len; i++) { + Node n = nodeList[i]; + executeDOM(consumer, n); + } + continue; + } else if (val instanceof XMLizable) { + ((XMLizable) val).toSAX(new IncludeXMLConsumer( + consumer)); + continue; + } + chars = val != null ? val.toString().toCharArray() + : ArrayUtils.EMPTY_CHAR_ARRAY; + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), ev + .getLocation(), e); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), ev + .getLocation(), new ErrorHolder(err)); + } + } + consumer.characters(chars, 0, chars.length); + } + } else if (ev instanceof EndElement) { + EndElement endElement = (EndElement) ev; + StartElement startElement = endElement.getStartElement(); + consumer.endElement(startElement.getNamespaceURI(), + startElement.getLocalName(), startElement.getRaw()); + } else if (ev instanceof EndPrefixMapping) { + EndPrefixMapping endPrefixMapping = (EndPrefixMapping) ev; + consumer.endPrefixMapping(endPrefixMapping.getPrefix()); + } else if (ev instanceof IgnorableWhitespace) { + TextEvent text = (TextEvent) ev; + characters(executionContext, text, new CharHandler() { + public void characters(char[] ch, int offset, int len) + throws SAXException { + consumer.ignorableWhitespace(ch, offset, len); + } + }); + } else if (ev instanceof SkippedEntity) { + SkippedEntity skippedEntity = (SkippedEntity) ev; + consumer.skippedEntity(skippedEntity.getName()); + } else if (ev instanceof StartIf) { + StartIf startIf = (StartIf) ev; + Object val; + try { + val = ValueHelper.getValue(startIf.getTest(), jexlContext, + jxpathContext, Boolean.TRUE); + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), ev + .getLocation(), e); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), ev + .getLocation(), new ErrorHolder(err)); + } + boolean result = false; + if (val instanceof Boolean) { + result = ((Boolean) val).booleanValue(); + } else { + result = (val != null); + } + if (!result) { + ev = startIf.getEndInstruction().getNext(); + continue; + } + } else if (ev instanceof StartForEach) { + StartForEach startForEach = (StartForEach) ev; + final Object items = startForEach.getItems(); + Iterator iter = null; + int begin, end, step; + String var, varStatus; + try { + if (items != null) { + JXTExpression expr = (JXTExpression) items; + if (expr.getCompiledExpression() instanceof CompiledExpression) { + CompiledExpression compiledExpression = (CompiledExpression) expr + .getCompiledExpression(); + Object val = compiledExpression.getPointer( + jxpathContext, expr.getRaw()).getNode(); + // FIXME: workaround for JXPath bug + iter = val instanceof NativeArray ? new JSIntrospector.NativeArrayIterator( + (NativeArray) val) + : compiledExpression + .iteratePointers(jxpathContext); + } else if (expr.getCompiledExpression() instanceof Expression) { + Expression e = (Expression) expr + .getCompiledExpression(); + Object result = e.evaluate(jexlContext); + if (result != null) { + iter = Introspector.getUberspect().getIterator( + result, + new Info( + ev.getLocation().getSystemId(), + ev.getLocation() + .getLineNumber(), ev + .getLocation() + .getColumnNumber())); + } + if (iter == null) { + iter = EMPTY_ITER; + } + } else { + // literal value + iter = new Iterator() { + Object val = items; + + public boolean hasNext() { + return val != null; + } + + public Object next() { + Object res = val; + val = null; + return res; + } + + public void remove() { + // EMPTY + } + }; + } + } else { + iter = NULL_ITER; + } + begin = startForEach.getBegin() == null ? 0 : ValueHelper + .getIntValue(startForEach.getBegin(), jexlContext, + jxpathContext); + end = startForEach.getEnd() == null ? Integer.MAX_VALUE + : ValueHelper.getIntValue(startForEach.getEnd(), + jexlContext, jxpathContext); + step = startForEach.getStep() == null ? 1 : ValueHelper + .getIntValue(startForEach.getStep(), jexlContext, + jxpathContext); + var = ValueHelper.getStringValue(startForEach.getVar(), + jexlContext, jxpathContext); + varStatus = ValueHelper.getStringValue(startForEach + .getVarStatus(), jexlContext, jxpathContext); + } catch (Exception exc) { + throw new SAXParseException(exc.getMessage(), ev + .getLocation(), exc); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), ev + .getLocation(), new ErrorHolder(err)); + } + MyJexlContext localJexlContext = new MyJexlContext(jexlContext); + MyVariables localJXPathVariables = new MyVariables( + (MyVariables) jxpathContext.getVariables()); + int i = 0; + // Move to the begin row + while (i < begin && iter.hasNext()) { + iter.next(); + i++; + } + LoopTagStatus status = null; + if (varStatus != null) { + status = new LoopTagStatus(); + status.setBegin(begin); + status.setEnd(end); + status.setStep(step); + status.setFirst(true); + localJexlContext.put(varStatus, status); + localJXPathVariables.declareVariable(varStatus, status); + } + int skipCounter, count = 1; + JXPathContext localJXPathContext = null; + while (i <= end && iter.hasNext()) { + Object value = iter.next(); + if (value instanceof Pointer) { + Pointer ptr = (Pointer) value; + localJXPathContext = jxpathContext + .getRelativeContext(ptr); + try { + value = ptr.getNode(); + } catch (Exception exc) { + throw new SAXParseException(exc.getMessage(), ev + .getLocation(), null); + } + } else { + localJXPathContext = jxpathContextFactory.newContext( + jxpathContext, value); + } + localJXPathContext.setVariables(localJXPathVariables); + if (var != null) { + localJexlContext.put(var, value); + } + if (status != null) { + status.setIndex(i); + status.setCount(count); + status.setFirst(i == begin); + status.setCurrent(value); + status.setLast((i == end || !iter.hasNext())); + } + execute(consumer, + executionContext.getChildContext(localJexlContext, localJXPathContext), + macroCall, startForEach.getNext(), startForEach.getEndInstruction()); + // Skip rows + skipCounter = step; + while (--skipCounter > 0 && iter.hasNext()) { + iter.next(); + } + // Increase index + i += step; + count++; + } + ev = startForEach.getEndInstruction().getNext(); + continue; + } else if (ev instanceof StartChoose) { + StartChoose startChoose = (StartChoose) ev; + StartWhen startWhen = startChoose.getFirstChoice(); + while (startWhen != null) { + Object val; + try { + val = ValueHelper.getValue(startWhen.getTest(), jexlContext, + jxpathContext, Boolean.TRUE); + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), ev + .getLocation(), e); + } + boolean result; + if (val instanceof Boolean) { + result = ((Boolean) val).booleanValue(); + } else { + result = (val != null); + } + if (result) { + execute(consumer, executionContext, + macroCall, startWhen.getNext(), startWhen.getEndInstruction()); + break; + } + startWhen = startWhen.getNextChoice(); + } + if (startWhen == null && startChoose.getOtherwise() != null) { + execute(consumer, executionContext, macroCall, + startChoose.getOtherwise().getNext(), + startChoose.getOtherwise().getEndInstruction()); + } + ev = startChoose.getEndInstruction().getNext(); + continue; + } else if (ev instanceof StartSet) { + StartSet startSet = (StartSet) ev; + Object value = null; + String var = null; + try { + if (startSet.getVar() != null) { + var = ValueHelper.getStringValue(startSet.getVar(), + jexlContext, jxpathContext); + } + if (startSet.getValue() != null) { + value = ValueHelper.getNode(startSet.getValue(), + jexlContext, jxpathContext); + } + } catch (Exception exc) { + throw new SAXParseException(exc.getMessage(), ev + .getLocation(), exc); + } + if (value == null) { + NodeList nodeList = toDOMNodeList("set", startSet, + executionContext, macroCall); + // JXPath doesn't handle NodeList, so convert it to an array + int len = nodeList.getLength(); + Node[] nodeArr = new Node[len]; + for (int i = 0; i < len; i++) { + nodeArr[i] = nodeList.item(i); + } + value = nodeArr; + } + if (var != null) { + jxpathContext.getVariables().declareVariable(var, value); + jexlContext.put(var, value); + } + ev = startSet.getEndInstruction().getNext(); + continue; + } else if (ev instanceof StartElement) { + StartElement startElement = (StartElement) ev; + StartDefine def = + (StartDefine) executionContext.getDefinitions().get(startElement + .getQname()); + if (def != null) { + Map attributeMap = new HashMap(); + Iterator i = startElement.getAttributeEvents().iterator(); + while (i.hasNext()) { + String attributeName; + Object attributeValue; + AttributeEvent attrEvent = (AttributeEvent) i.next(); + attributeName = attrEvent.getLocalName(); + if (attrEvent instanceof CopyAttribute) { + CopyAttribute copy = (CopyAttribute) attrEvent; + attributeValue = copy.getValue(); + } else if (attrEvent instanceof SubstituteAttribute) { + SubstituteAttribute substEvent = (SubstituteAttribute) attrEvent; + if (substEvent.getSubstitutions().size() == 1 + && substEvent.getSubstitutions().get(0) instanceof JXTExpression) { + JXTExpression expr = (JXTExpression) substEvent + .getSubstitutions().get(0); + Object val; + try { + val = ValueHelper.getNode(expr, + jexlContext, jxpathContext); + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), + ev.getLocation(), e); + } catch (Error err) { + throw new SAXParseException(err + .getMessage(), ev.getLocation(), + new ErrorHolder(err)); + } + attributeValue = val != null ? val : ""; + } else { + StringBuffer buf = new StringBuffer(); + Iterator iterSubst = substEvent + .getSubstitutions().iterator(); + while (iterSubst.hasNext()) { + Subst subst = (Subst) iterSubst.next(); + if (subst instanceof Literal) { + Literal lit = (Literal) subst; + buf.append(lit.getValue()); + } else if (subst instanceof JXTExpression) { + JXTExpression expr = (JXTExpression) subst; + Object val; + try { + val = ValueHelper.getValue(expr, + jexlContext, jxpathContext); + } catch (Exception e) { + throw new SAXParseException(e + .getMessage(), ev + .getLocation(), e); + } catch (Error err) { + throw new SAXParseException(err + .getMessage(), ev + .getLocation(), + new ErrorHolder(err)); + } + buf.append(val != null ? val.toString() + : ""); + } + } + attributeValue = buf.toString(); + } + } else { + throw new Error("this shouldn't have happened"); + } + attributeMap.put(attributeName, attributeValue); + } + MyVariables parent = (MyVariables) jxpathContext + .getVariables(); + MyVariables vars = new MyVariables(parent); + MyJexlContext localJexlContext = new MyJexlContext( + jexlContext); + HashMap macro = new HashMap(); + macro.put("body", startElement); + macro.put("arguments", attributeMap); + localJexlContext.put("macro", macro); + vars.declareVariable("macro", macro); + Iterator iter = def.getParameters().entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry e = (Map.Entry) iter.next(); + String key = (String) e.getKey(); + StartParameter startParam = (StartParameter) e + .getValue(); + Object default_ = startParam.getDefaultValue(); + Object val = attributeMap.get(key); + if (val == null) { + val = default_; + } + localJexlContext.put(key, val); + vars.declareVariable(key, val); + } + JXPathContext localJXPathContext = jxpathContextFactory + .newContext(null, jxpathContext.getContextBean()); + localJXPathContext.setVariables(vars); + call(ev.getLocation(), startElement, consumer, + executionContext.getChildContext(localJexlContext, localJXPathContext), + def.getBody(), def.getEndInstruction()); + ev = startElement.getEndElement().getNext(); + continue; + } + Iterator i = startElement.getAttributeEvents().iterator(); + AttributesImpl attrs = new AttributesImpl(); + while (i.hasNext()) { + AttributeEvent attrEvent = (AttributeEvent) i.next(); + if (attrEvent instanceof CopyAttribute) { + CopyAttribute copy = (CopyAttribute) attrEvent; + attrs.addAttribute(copy.getNamespaceURI(), copy + .getLocalName(), copy.getRaw(), copy.getType(), + copy.getValue()); + } else if (attrEvent instanceof SubstituteAttribute) { + StringBuffer buf = new StringBuffer(); + SubstituteAttribute substEvent = (SubstituteAttribute) attrEvent; + Iterator iterSubst = substEvent.getSubstitutions() + .iterator(); + while (iterSubst.hasNext()) { + Subst subst = (Subst) iterSubst.next(); + if (subst instanceof Literal) { + Literal lit = (Literal) subst; + buf.append(lit.getValue()); + } else if (subst instanceof JXTExpression) { + JXTExpression expr = (JXTExpression) subst; + Object val; + try { + val = ValueHelper.getValue(expr, + jexlContext, jxpathContext); + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), + ev.getLocation(), e); + } catch (Error err) { + throw new SAXParseException(err + .getMessage(), ev.getLocation(), + new ErrorHolder(err)); + } + buf.append(val != null ? val.toString() : ""); + } + } + attrs.addAttribute(attrEvent.getNamespaceURI(), + attrEvent.getLocalName(), attrEvent.getRaw(), + attrEvent.getType(), buf.toString()); + } + } + consumer.startElement(startElement.getNamespaceURI(), + startElement.getLocalName(), startElement.getRaw(), + attrs); + } else if (ev instanceof StartFormatNumber) { + StartFormatNumber startFormatNumber = (StartFormatNumber) ev; + try { + String result = startFormatNumber.format(jexlContext, + jxpathContext); + if (result != null) { + char[] chars = result.toCharArray(); + consumer.characters(chars, 0, chars.length); + } + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), ev + .getLocation(), e); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), ev + .getLocation(), new ErrorHolder(err)); + } + } else if (ev instanceof StartFormatDate) { + StartFormatDate startFormatDate = (StartFormatDate) ev; + try { + String result = startFormatDate.format(jexlContext, + jxpathContext); + if (result != null) { + char[] chars = result.toCharArray(); + consumer.characters(chars, 0, chars.length); + } + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), ev + .getLocation(), e); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), ev + .getLocation(), new ErrorHolder(err)); + } + } else if (ev instanceof StartPrefixMapping) { + StartPrefixMapping startPrefixMapping = (StartPrefixMapping) ev; + consumer.startPrefixMapping(startPrefixMapping.getPrefix(), + startPrefixMapping.getUri()); + } else if (ev instanceof StartComment) { + StartComment startJXComment = (StartComment) ev; + // Parse the body of the comment + NodeList nodeList = toDOMNodeList("comment", startJXComment, + executionContext, macroCall); + // JXPath doesn't handle NodeList, so convert it to an array + int len = nodeList.getLength(); + final StringBuffer buf = new StringBuffer(); + Properties omit = XMLUtils.createPropertiesForXML(true); + for (int i = 0; i < len; i++) { + try { + String str = XMLUtils.serializeNode(nodeList.item(i), + omit); + buf.append(StringUtils.substringAfter(str, ">")); // cut + // the + // XML + // header + } catch (ProcessingException e) { + throw new SAXParseException(e.getMessage(), + startJXComment.getLocation(), e); + } + } + char[] chars = new char[buf.length()]; + buf.getChars(0, chars.length, chars, 0); + consumer.comment(chars, 0, chars.length); + ev = startJXComment.getEndInstruction().getNext(); + continue; + } else if (ev instanceof EndCDATA) { + consumer.endCDATA(); + } else if (ev instanceof EndDTD) { + consumer.endDTD(); + } else if (ev instanceof EndEntity) { + consumer.endEntity(((EndEntity) ev).getName()); + } else if (ev instanceof StartCDATA) { + consumer.startCDATA(); + } else if (ev instanceof StartDTD) { + StartDTD startDTD = (StartDTD) ev; + consumer.startDTD(startDTD.getName(), startDTD.getPublicId(), + startDTD.getSystemId()); + } else if (ev instanceof StartEntity) { + consumer.startEntity(((StartEntity) ev).getName()); + } else if (ev instanceof StartOut) { + StartOut startOut = (StartOut) ev; + Object val; + try { + val = ValueHelper.getNode(startOut.getCompiledExpression(), + jexlContext, jxpathContext, startOut.getLenient()); + if (val instanceof Node) { + executeDOM(consumer, (Node) val); + } else if (val instanceof NodeList) { + NodeList nodeList = (NodeList) val; + int len = nodeList.getLength(); + for (int i = 0; i < len; i++) { + Node n = nodeList.item(i); + executeDOM(consumer, n); + } + } else if (val instanceof Node[]) { + Node[] nodeList = (Node[]) val; + int len = nodeList.length; + for (int i = 0; i < len; i++) { + Node n = nodeList[i]; + executeDOM(consumer, n); + } + } else if (val instanceof XMLizable) { + ((XMLizable) val) + .toSAX(new IncludeXMLConsumer(consumer)); + } else { + char[] ch = val == null ? ArrayUtils.EMPTY_CHAR_ARRAY + : val.toString().toCharArray(); + consumer.characters(ch, 0, ch.length); + } + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), ev + .getLocation(), e); + } + } else if (ev instanceof StartTemplate) { + // EMPTY + } else if (ev instanceof StartEval) { + StartEval startEval = (StartEval) ev; + JXTExpression expr = startEval.getValue(); + try { + Object val = ValueHelper.getNode(expr, jexlContext, + jxpathContext); + if (!(val instanceof StartElement)) { + throw new Exception( + "macro invocation required instead of: " + val); + } + StartElement call = (StartElement) val; + execute(consumer, executionContext, call, call + .getNext(), call.getEndElement()); + } catch (Exception exc) { + throw new SAXParseException(exc.getMessage(), ev + .getLocation(), exc); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), ev + .getLocation(), new ErrorHolder(err)); + } + ev = startEval.getEndInstruction().getNext(); + continue; + } else if (ev instanceof StartEvalBody) { + StartEvalBody startEval = (StartEvalBody) ev; + try { + execute(consumer, executionContext, null, + macroCall.getNext(), macroCall.getEndElement()); + } catch (Exception exc) { + throw new SAXParseException(exc.getMessage(), ev + .getLocation(), exc); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), ev + .getLocation(), new ErrorHolder(err)); + } + ev = startEval.getEndInstruction().getNext(); + continue; + } else if (ev instanceof StartDefine) { + StartDefine startDefine = (StartDefine) ev; + executionContext.getDefinitions().put(startDefine.getQname(), startDefine); + ev = startDefine.getEndInstruction().getNext(); + continue; + } else if (ev instanceof StartImport) { + StartImport startImport = (StartImport) ev; + String uri; + AttributeEvent e = startImport.getUri(); + if (e instanceof CopyAttribute) { + CopyAttribute copy = (CopyAttribute) e; + uri = copy.getValue(); + } else { + StringBuffer buf = new StringBuffer(); + SubstituteAttribute substAttr = (SubstituteAttribute) e; + Iterator i = substAttr.getSubstitutions().iterator(); + while (i.hasNext()) { + Subst subst = (Subst) i.next(); + if (subst instanceof Literal) { + Literal lit = (Literal) subst; + buf.append(lit.getValue()); + } else if (subst instanceof JXTExpression) { + JXTExpression expr = (JXTExpression) subst; + Object val; + try { + val = ValueHelper.getValue(expr, jexlContext, + jxpathContext); + } catch (Exception exc) { + throw new SAXParseException(exc.getMessage(), + ev.getLocation(), exc); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), + ev.getLocation(), new ErrorHolder(err)); + } + buf.append(val != null ? val.toString() : ""); + } + } + uri = buf.toString(); + } + Source input = null; + StartDocument doc; + ServiceManager manager = executionContext.getServiceManager(); + SourceResolver resolver = null; + try { + resolver = (SourceResolver)manager.lookup(SourceResolver.ROLE); + input = resolver.resolveURI(uri); + SourceValidity validity = null; + Map cache = executionContext.getCache(); + synchronized (cache) { + doc = (StartDocument) cache.get(input.getURI()); + if (doc != null) { + boolean recompile = false; + if (doc.getCompileTime() == null) { + recompile = true; + } else { + int valid = doc.getCompileTime().isValid(); + if (valid == SourceValidity.UNKNOWN) { + validity = input.getValidity(); + valid = doc.getCompileTime().isValid( + validity); + } + if (valid != SourceValidity.VALID) { + recompile = true; + } + } + if (recompile) { + doc = null; // recompile + } + } + } + if (doc == null) { + Parser parser = new Parser(); + // call getValidity before using the stream is faster if + // the source is a SitemapSource + if (validity == null) { + validity = input.getValidity(); + } + SourceUtil.parse(manager, input, parser); + doc = parser.getStartEvent(); + doc.setCompileTime(validity); + synchronized (cache) { + cache.put(input.getURI(), doc); + } + } + } catch (Exception exc) { + throw new SAXParseException(exc.getMessage(), ev + .getLocation(), exc); + } finally { + resolver.release(input); + manager.release(resolver); + } + JXPathContext selectJXPath = jxpathContext; + MyJexlContext selectJexl = jexlContext; + if (startImport.getSelect() != null) { + try { + Object obj = ValueHelper.getValue(startImport + .getSelect(), jexlContext, jxpathContext); + selectJXPath = jxpathContextFactory.newContext(null, + obj); + selectJXPath.setVariables(executionContext.getVariables()); + selectJexl = new MyJexlContext(jexlContext); + JXTemplateGenerator.fillContext(obj, selectJexl); + } catch (Exception exc) { + throw new SAXParseException(exc.getMessage(), ev + .getLocation(), exc); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), ev + .getLocation(), new ErrorHolder(err)); + } + } + try { + execute(consumer, + executionContext.getChildContext(selectJexl, selectJXPath), + macroCall, doc.getNext(), doc.getEndDocument()); + } catch (Exception exc) { + throw new SAXParseException( + "Exception occurred in imported template " + uri + + ": " + exc.getMessage(), + ev.getLocation(), exc); + } + ev = startImport.getEndInstruction().getNext(); + continue; + } else if (ev instanceof StartDocument) { + if (((StartDocument) ev).getEndDocument() != null) { + // if this isn't a document fragment + consumer.startDocument(); + } + } else if (ev instanceof EndDocument) { + consumer.endDocument(); + } else if (ev instanceof ProcessingInstruction) { + ProcessingInstruction pi = (ProcessingInstruction) ev; + consumer.processingInstruction(pi.getTarget(), pi.getData()); + } + ev = ev.getNext(); + } + } + + interface CharHandler { + public void characters(char[] ch, int offset, int length) + throws SAXException; + } + + private static void characters(ExecutionContext executionContext, + TextEvent event, CharHandler handler) + throws SAXException { + Iterator iter = event.getSubstitutions().iterator(); + while (iter.hasNext()) { + Object subst = iter.next(); + char[] chars; + if (subst instanceof char[]) { + chars = (char[]) subst; + } else { + JXTExpression expr = (JXTExpression) subst; + try { + Object val = ValueHelper.getValue(expr, + executionContext.getJexlContext(), + executionContext.getJXPathContext()); + chars = val != null ? val.toString().toCharArray() + : ArrayUtils.EMPTY_CHAR_ARRAY; + } catch (Exception e) { + throw new SAXParseException(e.getMessage(), event + .getLocation(), e); + } catch (Error err) { + throw new SAXParseException(err.getMessage(), event + .getLocation(), new ErrorHolder(err)); + } + } + handler.characters(chars, 0, chars.length); + } + } + + /** + * dump a DOM document, using an IncludeXMLConsumer to filter out start/end + * document events + */ + private static void executeDOM(final XMLConsumer consumer, Node node) + throws SAXException { + IncludeXMLConsumer includer = new IncludeXMLConsumer(consumer); + DOMStreamer streamer = new DOMStreamer(includer); + streamer.stream(node); + } + + private static void call(Locator location, StartElement macroCall, + final XMLConsumer consumer, ExecutionContext executionContext, + Event startEvent, Event endEvent) + throws SAXException { + try { + execute(consumer, executionContext, macroCall, startEvent, endEvent); + } catch (SAXParseException exc) { + throw new SAXParseException(macroCall.getLocalName() + ": " + + exc.getMessage(), location, exc); + } + } + + private static NodeList toDOMNodeList(String elementName, StartInstruction si, + ExecutionContext executionContext, StartElement macroCall) + throws SAXException { + DOMBuilder builder = new DOMBuilder(); + builder.startDocument(); + builder.startElement(JXTemplateGenerator.NS, elementName, elementName, EMPTY_ATTRS); + execute(builder, executionContext, macroCall, si.getNext(), + si.getEndInstruction()); + builder.endElement(JXTemplateGenerator.NS, elementName, elementName); + builder.endDocument(); + Node node = builder.getDocument().getDocumentElement(); + return node.getChildNodes(); + } + +}
