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authorlresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>2009-11-11 23:09:08 +0000
committerlresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>2009-11-11 23:09:08 +0000
commitcde3d2629677a07aa09e3c7fbe117b680c0f5df7 (patch)
treec6d50048ffad8dfa8a1c0019e7afb207cb6b4fe2 /branches/sca-equinox/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java
parent4ef0430519e276c2bdecea75f7a0f42f49f0cf30 (diff)
Moving 2.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835133 13f79535-47bb-0310-9956-ffa450edef68
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diff --git a/branches/sca-equinox/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java b/branches/sca-equinox/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java
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--- a/branches/sca-equinox/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/processor/xml/AnyElementProcessor.java
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@@ -1,309 +0,0 @@
-/*
- * 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
- *
- * 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.tuscany.sca.contribution.processor.xml;
-
-import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
-import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
-
-import java.util.ArrayList;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import javax.xml.namespace.QName;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamReader;
-import javax.xml.stream.XMLStreamWriter;
-
-import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
-import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
-import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
-import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
-import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.apache.tuscany.sca.monitor.Monitor;
-import org.apache.tuscany.sca.monitor.Problem;
-import org.apache.tuscany.sca.monitor.Problem.Severity;
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-import org.w3c.dom.NamedNodeMap;
-import org.w3c.dom.Node;
-import org.w3c.dom.traversal.DocumentTraversal;
-import org.w3c.dom.traversal.NodeFilter;
-import org.w3c.dom.traversal.NodeIterator;
-import org.w3c.dom.traversal.TreeWalker;
-
-public class AnyElementProcessor implements StAXArtifactProcessor<Object> {
- private static final QName ANY_ELEMENT = new QName("http://www.w3.org/2001/XMLSchema", "anyElement");
-
- private static final Logger logger = Logger.getLogger(AnyElementProcessor.class.getName());
- private DocumentBuilderFactory documentBuilderFactory;
- private Document document;
- private Monitor monitor;
-
- public AnyElementProcessor(FactoryExtensionPoint modelFactories, Monitor monitor) {
- documentBuilderFactory = modelFactories.getFactory(DocumentBuilderFactory.class);
- this.monitor = monitor;
- }
-
-
- public QName getArtifactType() {
- return ANY_ELEMENT;
- }
-
- public Class<Object> getModelType() {
- return Object.class;
- }
-
- /**
- * Reads the contetns of the unknown elements and generates the DOM
- * @param reader
- * @param name
- * @return
- * @throws XMLStreamException
- */
- public Object read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException {
-
- int event = reader.getEventType();
- int level = 0;
- ArrayList<String> elementList = new ArrayList<String>();
- document = createDocument();
-
- QName name = reader.getName();
-
- while(reader.hasNext()){
- switch(event){
- case START_ELEMENT:
- elementList.add(reader.getName().getLocalPart());
- if(level == 0){
- generateDOM(reader,null);
- level++;
- }
- else{
- generateDOM(reader,elementList.get(elementList.size()-2).toString());
- }
-
- break;
- case END_ELEMENT:
- elementList.remove(reader.getName().getLocalPart());
- }
- if(reader.hasNext()){
- event = reader.next();
- }
-
- if(event == START_ELEMENT || event == END_ELEMENT){
- if(reader.getName().equals(name)){
- break;
- }
- }
- }
- return document;
- }
-
- /**
- * Writes unknown portions back to the writer
- * @param model
- * @param writer
- */
- public void write(Object model, XMLStreamWriter writer) {
-
- if( ! (model instanceof Document)) {
- return;
- }
-
- Document doc = (Document)model;
- try{
- DocumentTraversal traversal = (DocumentTraversal)doc;
- TreeWalker walker = traversal.createTreeWalker(doc.getDocumentElement(),NodeFilter.SHOW_ALL, null, true);
- writeDOM(walker,writer);
- }
- catch(Exception e){
- if (logger.isLoggable(Level.SEVERE)) {
- logger.log(Level.SEVERE, "Document not created ");
- }
- error("Document not created",document,e);
- }
- }
-
- public void resolve(Object arg0, ModelResolver arg1) throws ContributionResolveException {
-
- }
-
- /**
- * Method to generate the DOM
- * @param reader
- * @param parent
- * @throws Exception
- */
- //private void generateDOM(String elementText, String parent) {
- private void generateDOM(XMLStreamReader reader, String parent) {
- try{
- String elePrefix = reader.getPrefix();
- String eleQName = reader.getLocalName();
- if (elePrefix != null && elePrefix.length() != 0) {
- eleQName = elePrefix + ":" + eleQName;
- }
-
- Element element = document.createElementNS(reader.getNamespaceURI(), eleQName);
-
- int attributeCount = reader.getAttributeCount();
- for(int i = 0;i < attributeCount;i++){
- String ns = reader.getAttributeNamespace(i);
- String prefix = reader.getAttributePrefix(i);
- String qname = reader.getAttributeLocalName(i);
- String value = reader.getAttributeValue(i);
- if (prefix != null && prefix.length() != 0) {
- qname = prefix + ":" + qname;
- }
- element.setAttributeNS(ns,qname,value);
- }
- if(parent == null){
- if(document != null){
- document.appendChild(element);
- }
- else{
- if (logger.isLoggable(Level.SEVERE)) {
- logger.log(Level.SEVERE, "Document not created ");
- }
- error("Document not created",document,element);
- }
- }
- else{
- Node parentNode = getParentNode(document,parent);
- if(parentNode != null){
- parentNode.appendChild(element);
- }
- else{
- if (logger.isLoggable(Level.SEVERE)) {
- logger.log(Level.SEVERE, "Parent node not found");
- }
- error("Parent node not found",document,parentNode.getNodeName());
- }
- }
- }
- catch(Exception e){
- e.printStackTrace();
- if (logger.isLoggable(Level.SEVERE)) {
- logger.log(Level.SEVERE, "Document not created ");
- }
- error("Document not created",document,e);
- }
- }
-
- /**
- * Method to create an empty document
- * @return
- */
- private Document createDocument() {
- try {
- document = documentBuilderFactory.newDocumentBuilder().newDocument();
- return document;
- } catch (ParserConfigurationException e) {
- e.printStackTrace();
- }
- return null;
- }
-
- /**
- * Method to traverse the DOM structure and write the elements
- * @param walker
- * @param writer
- * @throws XMLStreamException
- */
- private void writeDOM(TreeWalker walker,XMLStreamWriter writer) throws XMLStreamException {
-
- Node parent = walker.getCurrentNode();
-
- writer.writeStartElement(parent.getPrefix(), parent.getLocalName(), parent.getNamespaceURI());
-
- NamedNodeMap attributes = parent.getAttributes();
-
- for(int i = 0;i<attributes.getLength();i++){
- writer.writeAttribute(attributes.item(i).getPrefix(), attributes.item(i).getNamespaceURI(), attributes.item(i).getLocalName(), attributes.item(i).getNodeValue());
- }
-
- for (Node n = walker.firstChild();n != null;n = walker.nextSibling()) {
- writeDOM(walker,writer);
- }
- writer.writeEndElement();
-
- walker.setCurrentNode(parent);
- }
-
- /**
- * Method to get the Parent node out of the DOM structure
- * @param doc
- * @param parent
- * @return
- */
- private Node getParentNode(Node doc,String parent) {
- Node parentNode = null;
- try{
- DocumentTraversal traversal = (DocumentTraversal)doc;
-
- CharSequence prefixChar = ":";
- NodeIterator iterator = traversal.createNodeIterator(document.getDocumentElement(), NodeFilter.SHOW_ELEMENT, null, true);
- for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode()) {
- String nodeName = n.getNodeName();
- String[] str = null;
- if(n.getNodeName().contains(prefixChar)){
- str = nodeName.split(":");
- nodeName = str[str.length-1];
- }
- if(parent.equalsIgnoreCase(nodeName)){
- parentNode = n;
- }
- }
- return parentNode;
- }
- catch(Exception e){
- e.printStackTrace();
- }
- return parentNode;
- }
-
- /**
- * Marshals exceptions into the monitor
- *
- * @param problems
- * @param message
- * @param model
- */
- private void error(String message, Object model, Exception ex) {
- if (monitor != null) {
- Problem problem = monitor.createProblem(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, ex);
- monitor.problem(problem);
- }
- }
-
- /**
- * Report a error.
- *
- * @param problems
- * @param message
- * @param model
- */
- private void error(String message, Object model, Object... messageParameters) {
- if (monitor != null) {
- Problem problem = monitor.createProblem(this.getClass().getName(), "contribution-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);
- monitor.problem(problem);
- }
- }
-
-}