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brianR |
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/*
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* Copyright 2013 Brian Rosenberger (Brutex Network)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.brutex.xservices.ws.impl;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.StringReader;
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import java.io.StringWriter;
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import java.util.Iterator;
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import java.util.List;
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import java.util.StringTokenizer;
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import javax.jws.WebService;
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import javax.xml.stream.XMLOutputFactory;
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import javax.xml.stream.XMLStreamException;
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import javax.xml.stream.XMLStreamReader;
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import javax.xml.stream.XMLStreamWriter;
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import net.brutex.xservices.types.NamespaceListType;
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import net.brutex.xservices.types.NamespaceType;
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import net.brutex.xservices.types.ant.FileResource;
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import net.brutex.xservices.ws.XServicesFault;
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import net.brutex.xservices.ws.XmlService;
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import org.apache.axiom.om.OMAbstractFactory;
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import org.apache.axiom.om.OMCloneOptions;
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import org.apache.axiom.om.OMContainer;
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import org.apache.axiom.om.OMDocument;
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import org.apache.axiom.om.OMElement;
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import org.apache.axiom.om.OMNode;
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import org.apache.axiom.om.OMText;
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import org.apache.axiom.om.OMXMLBuilderFactory;
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import org.apache.axiom.om.xpath.AXIOMXPath;
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import org.apache.log4j.Logger;
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import org.jaxen.JaxenException;
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import org.jaxen.SimpleNamespaceContext;
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/**
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* @author Brian Rosenberger, bru(at)brutex.de
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*
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*/
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@WebService(targetNamespace = "http://ws.xservices.brutex.net", endpointInterface = "net.brutex.xservices.ws.XmlService", serviceName = "XmlService")
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public class XmlServiceImpl implements XmlService {
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final Logger logger = Logger.getLogger(XmlServiceImpl.class);
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public String insertNodesFromFile(FileResource res, NamespaceListType nsList, String xpath, String xmlFragment) throws XServicesFault {
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try {
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AXIOMXPath axp = new AXIOMXPath(xpath);
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InputStream is = res.getAntResource(null).getInputStream();
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OMDocument sourcedoc = OMXMLBuilderFactory.createOMBuilder(is)
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.getDocument();
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OMDocument fragdoc = null;
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if ((xmlFragment != null) && (new String(xmlFragment).length() > 0)) {
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fragdoc = OMXMLBuilderFactory.createOMBuilder(
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new StringReader("<XS>" + xmlFragment + "</XS>"))
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.getDocument();
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} else {
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throw new XServicesFault("No xmldata to insert.");
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}
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// Initialize XPath context
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SimpleNamespaceContext context = new SimpleNamespaceContext();
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for (NamespaceType ns : nsList.getNamespaces()) {
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context.addNamespace(ns.getPrefix(), ns.getUri().toString());
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this.logger.debug(Messages.getString("XmlService.0")
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+ ns.getPrefix() + "=\"" + ns.getUri().toString()
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+ "\"'");
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}
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axp.setNamespaceContext(context);
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axp.addNamespaces(fragdoc.getOMDocumentElement());
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OMDocument document = insertNodes(sourcedoc, axp, fragdoc);
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StringWriter sw = new StringWriter();
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XMLOutputFactory xof = XMLOutputFactory.newInstance();
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XMLStreamWriter writer = xof.createXMLStreamWriter(sw);
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document.serialize(writer);
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this.logger.trace(sw.getBuffer().toString());
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return sw.getBuffer().toString();
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} catch (JaxenException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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} catch (IOException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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} catch (XMLStreamException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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}
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}
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public String replaceNodesFromFile(FileResource res, NamespaceListType nsList, String xpath, String replace) throws XServicesFault {
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try {
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AXIOMXPath axp = new AXIOMXPath(xpath);
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InputStream is = res.getAntResource(null).getInputStream();
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XMLStreamReader reader = OMXMLBuilderFactory.createOMBuilder(is)
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.getDocument().getXMLStreamReader(false);
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StringWriter sw = new StringWriter();
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OMAbstractFactory.getOMFactory();
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while (reader.hasNext()) {
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if (reader.getEventType() == 1) {
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OMElement element = OMXMLBuilderFactory
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.createStAXOMBuilder(reader).getDocumentElement();
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element.build();
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SimpleNamespaceContext context = new SimpleNamespaceContext();
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for (NamespaceType ns : nsList.getNamespaces()) {
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context.addNamespace(ns.getPrefix(), ns.getUri()
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.toString());
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this.logger.debug(Messages.getString(
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"XmlService.adding_namespace",
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new Object[] { ns.getPrefix(),
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ns.getUri().toString() }));
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}
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axp.setNamespaceContext(context);
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axp.addNamespaces(element);
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OMDocument xfrag = OMXMLBuilderFactory.createOMBuilder(
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new StringReader("<XS>" + replace + "</XS>"))
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.getDocument();
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xfrag.build();
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List list = axp.selectNodes(element);
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for (Iterator localIterator2 = list.iterator(); localIterator2
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.hasNext();) {
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Object o = localIterator2.next();
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if (!(o instanceof OMNode))
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throw new XServicesFault(
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"You must match a node to be replaced, but you matched something differen (attribute, etc.");
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OMNode node = (OMNode) o;
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Iterator<?> children = xfrag.getOMDocumentElement()
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.getChildren();
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while (children.hasNext()) {
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OMNode container = (OMNode) children.next();
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node.insertSiblingAfter((OMNode) container
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.clone(new OMCloneOptions()));
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}
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node.detach();
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// node.insertSiblingAfter(AXIOMUtil.stringToOM(replace));
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}
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XMLOutputFactory xof = XMLOutputFactory.newInstance();
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XMLStreamWriter writer = xof.createXMLStreamWriter(sw);
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element.serialize(writer);
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sw.flush();
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} else {
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reader.next();
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}
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}
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this.logger.trace(sw.getBuffer().toString());
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return sw.getBuffer().toString();
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} catch (JaxenException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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} catch (IOException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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} catch (XMLStreamException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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}
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}
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public String replaceNodes(String source, NamespaceListType nsList, String xpath, String xmlFragment) throws XServicesFault {
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try {
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AXIOMXPath axp = new AXIOMXPath(xpath);
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InputStream is = new ByteArrayInputStream(source.getBytes());
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OMDocument sourcedoc = OMXMLBuilderFactory.createOMBuilder(is)
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.getDocument();
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OMDocument fragdoc = null;
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if ((xmlFragment != null) && (new String(xmlFragment).length() > 0)) {
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fragdoc = OMXMLBuilderFactory.createOMBuilder(
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new StringReader("<XS>" + xmlFragment + "</XS>"))
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.getDocument();
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} else {
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throw new XServicesFault("No xmldata to insert.");
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}
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// Initialize XPath context
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SimpleNamespaceContext context = new SimpleNamespaceContext();
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for (NamespaceType ns : nsList.getNamespaces()) {
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context.addNamespace(ns.getPrefix(), ns.getUri().toString());
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this.logger.debug(Messages.getString("XmlService.0")
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+ ns.getPrefix() + "=\"" + ns.getUri().toString()
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+ "\"'");
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}
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axp.setNamespaceContext(context);
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axp.addNamespaces(fragdoc.getOMDocumentElement());
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OMDocument document = replaceNodes(sourcedoc, axp, fragdoc);
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StringWriter sw = new StringWriter();
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XMLOutputFactory xof = XMLOutputFactory.newInstance();
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XMLStreamWriter writer = xof.createXMLStreamWriter(sw);
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document.serialize(writer);
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this.logger.trace(sw.getBuffer().toString());
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return sw.getBuffer().toString();
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} catch (JaxenException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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} catch (XMLStreamException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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}
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}
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public String insertNodes(String source, NamespaceListType nsList, String xpath, String xmlFragment) throws XServicesFault {
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try {
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AXIOMXPath axp = new AXIOMXPath(xpath);
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InputStream is = new ByteArrayInputStream(source.getBytes());
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OMDocument sourcedoc = OMXMLBuilderFactory.createOMBuilder(is)
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.getDocument();
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OMDocument fragdoc = null;
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if ((xmlFragment != null) && (new String(xmlFragment).length() > 0)) {
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fragdoc = OMXMLBuilderFactory.createOMBuilder(
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new StringReader("<XS>" + xmlFragment + "</XS>"))
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.getDocument();
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} else {
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throw new XServicesFault("No xmldata to insert.");
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}
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// Initialize XPath context
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SimpleNamespaceContext context = new SimpleNamespaceContext();
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for (NamespaceType ns : nsList.getNamespaces()) {
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context.addNamespace(ns.getPrefix(), ns.getUri().toString());
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this.logger.debug(Messages.getString("XmlService.0")
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+ ns.getPrefix() + "=\"" + ns.getUri().toString()
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+ "\"'");
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}
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axp.setNamespaceContext(context);
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axp.addNamespaces(fragdoc.getOMDocumentElement());
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OMDocument document = insertNodes(sourcedoc, axp, fragdoc);
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StringWriter sw = new StringWriter();
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XMLOutputFactory xof = XMLOutputFactory.newInstance();
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XMLStreamWriter writer = xof.createXMLStreamWriter(sw);
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document.serialize(writer);
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this.logger.trace(sw.getBuffer().toString());
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return sw.getBuffer().toString();
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} catch (JaxenException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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} catch (XMLStreamException e) {
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e.printStackTrace();
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throw new XServicesFault(e);
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}
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}
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public String wrapInCDATA(String data) throws XServicesFault {
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String result ="";
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String[] tokens = data.split("\\]\\]>", -1);
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for(int i=0; i<tokens.length; i++) {
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result += tokens[i];
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if (i+1 < tokens.length ) result += "]]]]><![CDATA[>";
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}
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result = "<![CDATA[" + result + "]]>";
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return result;
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}
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private OMDocument insertNodes(OMDocument xmldocument, AXIOMXPath axp,OMDocument xmlfragment) throws XServicesFault {
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List<?> olist = null;
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try {
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olist = axp.selectNodes(xmldocument.getOMDocumentElement());
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this.logger.debug("XPath '" + axp.toString() + "' has "
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+ olist.size() + " matches.");
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this.logger.trace("XPath root expression is: '" + axp.debug()
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+ "'.");
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} catch (JaxenException e) {
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throw new XServicesFault(e.getMessage(), e);
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}
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if (olist.size() == 0)
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throw new XServicesFault(Messages.getString("XmlService.no_match",
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new Object[] { axp.toString() }));
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// Prepare children to insert
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xmlfragment.build();
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// Determine what has been matched
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OMContainer match = null;
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for (Object o : olist) {
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Iterator<?> children = xmlfragment.getOMDocumentElement()
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.getChildren();
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if ((o instanceof OMNode)) {
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OMNode node = (OMNode) o;
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switch (node.getType()) {
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case OMNode.ELEMENT_NODE:
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if ((o instanceof OMElement))
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match = (OMElement) o;
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if ((o instanceof OMDocument))
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match = ((OMDocument) o).getOMDocumentElement();
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this.logger.debug(Messages.getString("XmlService.8"));
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break;
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case OMNode.TEXT_NODE:
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match = ((OMText) o).getParent();
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this.logger.debug(Messages.getString("XmlService.9"));
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break;
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case OMNode.COMMENT_NODE:
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// match = node.getParent();
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match = (OMContainer) node;
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this.logger.debug(Messages.getString("XmlService.10"));
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break;
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default:
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this.logger.error("XPath matched "
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+ o.getClass().getCanonicalName() + " Node Type:"
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+ node.getType());
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this.logger.error(Messages.getString("XmlService.11"));
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throw new XServicesFault(
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Messages.getString("XmlService.12"));
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}
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} else {
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this.logger.error("XPath matched "
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+ o.getClass().getCanonicalName());
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this.logger.error(Messages.getString("XmlService.11"));
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throw new XServicesFault(Messages.getString("XmlService.12"));
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}
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while (children.hasNext()) {
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OMNode container = (OMNode) children.next();
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match.addChild((OMNode) container.clone(new OMCloneOptions()));
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}
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}
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xmldocument.build();
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return xmldocument;
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|
348 |
}
|
|
|
349 |
|
|
|
350 |
|
|
|
351 |
private OMDocument replaceNodes(OMDocument xmldocument, AXIOMXPath axp, OMDocument xmlfragment) throws XServicesFault {
|
|
|
352 |
List<?> olist = null;
|
|
|
353 |
try {
|
|
|
354 |
olist = axp.selectNodes(xmldocument.getOMDocumentElement());
|
|
|
355 |
this.logger.debug("XPath '" + axp.toString() + "' has "
|
|
|
356 |
+ olist.size() + " matches.");
|
|
|
357 |
this.logger.trace("XPath root expression is: '" + axp.debug()
|
|
|
358 |
+ "'.");
|
|
|
359 |
} catch (JaxenException e) {
|
|
|
360 |
throw new XServicesFault(e.getMessage(), e);
|
|
|
361 |
}
|
|
|
362 |
if (olist.size() == 0)
|
|
|
363 |
throw new XServicesFault(Messages.getString("XmlService.no_match",
|
|
|
364 |
new Object[] { axp.toString() }));
|
|
|
365 |
|
|
|
366 |
// Prepare children to insert
|
|
|
367 |
xmlfragment.build();
|
|
|
368 |
|
|
|
369 |
// Determine what has been matched
|
|
|
370 |
OMNode match = null;
|
|
|
371 |
for (Object o : olist) {
|
|
|
372 |
Iterator<?> children = xmlfragment.getOMDocumentElement()
|
|
|
373 |
.getChildren();
|
|
|
374 |
if ((o instanceof OMNode)) {
|
|
|
375 |
OMNode node = (OMNode) o;
|
|
|
376 |
switch (node.getType()) {
|
|
|
377 |
case OMNode.ELEMENT_NODE:
|
|
|
378 |
if ((o instanceof OMElement))
|
|
|
379 |
match = (OMElement) o;
|
|
|
380 |
if ((o instanceof OMDocument))
|
|
|
381 |
match = ((OMDocument) o).getOMDocumentElement();
|
|
|
382 |
this.logger.debug(Messages.getString("XmlService.8"));
|
|
|
383 |
break;
|
|
|
384 |
default:
|
|
|
385 |
this.logger.error("XPath matched "
|
|
|
386 |
+ o.getClass().getCanonicalName() + " Node Type:"
|
|
|
387 |
+ node.getType());
|
|
|
388 |
this.logger.error(Messages.getString("XmlService.11"));
|
|
|
389 |
throw new XServicesFault(
|
|
|
390 |
Messages.getString("XmlService.12"));
|
|
|
391 |
}
|
|
|
392 |
} else {
|
|
|
393 |
this.logger.error("XPath matched "
|
|
|
394 |
+ o.getClass().getCanonicalName());
|
|
|
395 |
this.logger.error(Messages.getString("XmlService.11"));
|
|
|
396 |
throw new XServicesFault(Messages.getString("XmlService.12"));
|
|
|
397 |
}
|
|
|
398 |
|
|
|
399 |
while (children.hasNext()) {
|
|
|
400 |
OMNode container = (OMNode) children.next();
|
|
|
401 |
match.insertSiblingAfter((OMNode) container.clone(new OMCloneOptions()));
|
|
|
402 |
}
|
|
|
403 |
match.detach();
|
|
|
404 |
}
|
|
|
405 |
xmldocument.build();
|
|
|
406 |
return xmldocument;
|
|
|
407 |
}
|
|
|
408 |
}
|