Added SAAJ XMLReader, necessary for SAAJ 1.1
This commit is contained in:
Arjen Poutsma
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/*
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* Copyright 2007 the original author or authors.
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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 org.springframework.ws.soap.saaj.support;
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import java.util.Iterator;
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import javax.xml.soap.Name;
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import javax.xml.soap.Node;
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import javax.xml.soap.SOAPElement;
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import javax.xml.soap.Text;
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import org.springframework.xml.sax.AbstractXmlReader;
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import org.xml.sax.Attributes;
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import org.xml.sax.InputSource;
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import org.xml.sax.SAXException;
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import org.xml.sax.helpers.AttributesImpl;
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/**
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* SAX <code>XMLReader</code> that reads from a SAAJ <code>Node</code>. Consumes <code>XMLEvents</code> from an
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* <code>XMLEventReader</code>, and calls the corresponding methods on the SAX callback interfaces.
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*
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* @author Arjen Poutsma
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* @see javax.xml.soap.Node
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* @see javax.xml.soap.SOAPElement
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*/
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public class SaajXmlReader extends AbstractXmlReader {
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private final Node startNode;
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/**
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* Constructs a new instance of the <code>SaajXmlReader</code> that reads from the given <code>Node</code>.
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*
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* @param startNode the SAAJ <code>Node</code> to read from
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*/
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public SaajXmlReader(Node startNode) {
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this.startNode = startNode;
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}
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/**
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* Parses the StAX XML reader passed at construction-time.
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* <p/>
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* <strong>Note</strong> that the given <code>InputSource</code> is not read, but ignored.
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*
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* @param ignored is ignored
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* @throws org.xml.sax.SAXException A SAX exception, possibly wrapping a <code>XMLStreamException</code>
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*/
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public final void parse(InputSource ignored) throws SAXException {
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parse();
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}
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/**
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* Parses the StAX XML reader passed at construction-time.
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* <p/>
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* <strong>Note</strong> that the given system identifier is not read, but ignored.
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*
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* @param ignored is ignored
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* @throws SAXException A SAX exception, possibly wrapping a <code>XMLStreamException</code>
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*/
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public final void parse(String ignored) throws SAXException {
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parse();
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}
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private void parse() throws SAXException {
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if (getContentHandler() != null) {
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getContentHandler().startDocument();
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}
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handleNode(startNode);
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if (getContentHandler() != null) {
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getContentHandler().endDocument();
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}
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}
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private void handleNode(Node node) throws SAXException {
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if (node instanceof SOAPElement) {
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handleElement((SOAPElement) node);
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}
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else if (node instanceof Text) {
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Text text = (Text) node;
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handleText(text);
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}
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}
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private void handleText(Text text) throws SAXException {
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if (!text.isComment() && getContentHandler() != null) {
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char[] ch = text.getValue().toCharArray();
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getContentHandler().characters(ch, 0, ch.length);
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}
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}
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private void handleElement(SOAPElement element) throws SAXException {
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Name elementName = element.getElementName();
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if (getContentHandler() != null) {
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for (Iterator iterator = element.getNamespacePrefixes(); iterator.hasNext();) {
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String prefix = (String) iterator.next();
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String namespaceUri = element.getNamespaceURI(prefix);
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getContentHandler().startPrefixMapping(prefix, namespaceUri);
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}
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getContentHandler()
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.startElement(elementName.getURI(), elementName.getLocalName(), elementName.getQualifiedName(),
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getAttributes(element));
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}
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for (Iterator iterator = element.getChildElements(); iterator.hasNext();) {
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Node child = (Node) iterator.next();
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handleNode(child);
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}
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if (getContentHandler() != null) {
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getContentHandler()
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.endElement(elementName.getURI(), elementName.getLocalName(), elementName.getQualifiedName());
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for (Iterator iterator = element.getNamespacePrefixes(); iterator.hasNext();) {
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String prefix = (String) iterator.next();
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getContentHandler().endPrefixMapping(prefix);
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}
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}
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}
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private Attributes getAttributes(SOAPElement element) {
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AttributesImpl attributes = new AttributesImpl();
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for (Iterator iterator = element.getAllAttributes(); iterator.hasNext();) {
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Name attributeName = (Name) iterator.next();
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String attributeValue = element.getAttributeValue(attributeName);
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attributes.addAttribute(attributeName.getURI(), attributeName.getLocalName(),
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attributeName.getQualifiedName(), "CDATA", attributeValue);
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}
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return attributes;
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}
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}
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@@ -0,0 +1,55 @@
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/*
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* Copyright 2007 the original author or authors.
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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 org.springframework.ws.soap.saaj.support;
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import javax.xml.soap.MessageFactory;
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import javax.xml.soap.SOAPMessage;
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import javax.xml.transform.Result;
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import javax.xml.transform.Source;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.dom.DOMSource;
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import javax.xml.transform.sax.SAXSource;
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import org.custommonkey.xmlunit.XMLTestCase;
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import org.springframework.xml.transform.StringResult;
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import org.xml.sax.InputSource;
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public class SaajXmlReaderTest extends XMLTestCase {
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private SaajXmlReader reader;
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private SOAPMessage message;
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private Transformer transformer;
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protected void setUp() throws Exception {
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MessageFactory messageFactory = MessageFactory.newInstance();
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message = messageFactory.createMessage();
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reader = new SaajXmlReader(message.getSOAPPart().getEnvelope());
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transformer = TransformerFactory.newInstance().newTransformer();
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}
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public void testIt() throws Exception {
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Result result = new StringResult();
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Source source = new SAXSource(reader, new InputSource());
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transformer.transform(source, result);
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Result expected = new StringResult();
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transformer.transform(new DOMSource(message.getSOAPPart().getEnvelope()), expected);
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assertXMLEqual(expected.toString(), result.toString());
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}
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}
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