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Added SAAJ COntentHandler, necessary for SAAJ 1.1

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Arjen Poutsma
2007-01-03 11:58:37 +00:00
parent 9d6335dbf5
commit 6b1fc27d64
2 changed files with 210 additions and 0 deletions
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140
core/src/main/java/org/springframework/ws/soap/saaj/support/SaajContentHandler.java Normal file
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/*
* Copyright 2007 the original author or authors.
*
* 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.springframework.ws.soap.saaj.support;
import java.util.Iterator;
import java.util.Map;
import javax.xml.soap.Name;
import javax.xml.soap.SOAPElement;
import javax.xml.soap.SOAPEnvelope;
import javax.xml.soap.SOAPException;
import org.springframework.core.CollectionFactory;
import org.springframework.util.Assert;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
/**
* SAX <code>ContentHandler</code> that transforms callback calls to the creation of SAAJ <code>Node</code>s and
* <code>SOAPElement</code>s.
*
* @author Arjen Poutsma
* @see javax.xml.soap.Node
* @see javax.xml.soap.SOAPElement
*/
public class SaajContentHandler implements ContentHandler {
private SOAPElement element;
private final SOAPEnvelope envelope;
private Map namespaces = CollectionFactory.createLinkedMapIfPossible(5);
/**
* Constructs a new instance of the <code>SaajContentHandler</code> that creates children of the given
* <code>SOAPElement</code>.
*
* @param element the element to write to
*/
public SaajContentHandler(SOAPElement element) {
Assert.notNull(element, "element must not be null");
if (element instanceof SOAPEnvelope) {
envelope = (SOAPEnvelope) element;
}
else {
envelope = SaajUtils.getEnvelope(element);
}
this.element = element;
}
public void characters(char ch[], int start, int length) throws SAXException {
try {
String text = new String(ch, start, length);
element.addTextNode(text);
}
catch (SOAPException ex) {
throw new SAXException(ex);
}
}
public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
try {
String childPrefix = getPrefix(qName);
SOAPElement child = element.addChildElement(localName, childPrefix, uri);
for (int i = 0; i < atts.getLength(); i++) {
String attributePrefix = getPrefix(atts.getQName(i));
if (!"xmlns".equals(atts.getLocalName(i))) {
Name attributeName = envelope.createName(atts.getLocalName(i), attributePrefix, atts.getURI(i));
child.addAttribute(attributeName, atts.getValue(i));
}
}
for (Iterator iterator = namespaces.keySet().iterator(); iterator.hasNext();) {
String namespacePrefix = (String) iterator.next();
String namespaceUri = (String) namespaces.get(namespacePrefix);
child.addNamespaceDeclaration(namespacePrefix, namespaceUri);
}
element = child;
}
catch (SOAPException ex) {
throw new SAXException(ex);
}
}
public void endElement(String uri, String localName, String qName) throws SAXException {
Assert.isTrue(localName.equals(element.getElementName().getLocalName()), "Invalid element on stack");
Assert.isTrue(uri.equals(element.getElementName().getURI()), "Invalid element on stack");
element = element.getParentElement();
}
public void startPrefixMapping(String prefix, String uri) throws SAXException {
namespaces.put(prefix, uri);
}
public void endPrefixMapping(String prefix) throws SAXException {
namespaces.remove(prefix);
}
public void setDocumentLocator(Locator locator) {
}
public void startDocument() throws SAXException {
}
public void endDocument() throws SAXException {
}
public void ignorableWhitespace(char ch[], int start, int length) throws SAXException {
}
public void processingInstruction(String target, String data) throws SAXException {
}
public void skippedEntity(String name) throws SAXException {
}
private String getPrefix(String qName) {
int idx = qName.indexOf(':');
if (idx != -1) {
return qName.substring(0, idx);
}
else {
return null;
}
}
}

70
core/src/test/java/org/springframework/ws/soap/saaj/support/SaajContentHandlerTest.java Normal file
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/*
* Copyright 2007 the original author or authors.
*
* 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.springframework.ws.soap.saaj.support;
import java.util.Iterator;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.Name;
import javax.xml.soap.SOAPBodyElement;
import javax.xml.soap.SOAPElement;
import javax.xml.soap.SOAPEnvelope;
import javax.xml.soap.SOAPMessage;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.sax.SAXResult;
import junit.framework.TestCase;
import org.springframework.xml.transform.StringSource;
public class SaajContentHandlerTest extends TestCase {
private SaajContentHandler handler;
private Transformer transformer;
private SOAPEnvelope envelope;
protected void setUp() throws Exception {
MessageFactory messageFactory = MessageFactory.newInstance();
SOAPMessage message = messageFactory.createMessage();
envelope = message.getSOAPPart().getEnvelope();
handler = new SaajContentHandler(envelope.getBody());
transformer = TransformerFactory.newInstance().newTransformer();
}
public void testHandler() throws Exception {
String content = "<Root xmlns='http://springframework.org/spring-ws/1' " +
"xmlns:child='http://springframework.org/spring-ws/2'>" +
"<child:Child attribute='value'>Content</child:Child></Root>";
Source source = new StringSource(content);
Result result = new SAXResult(handler);
transformer.transform(source, result);
Name rootName = envelope.createName("Root", "", "http://springframework.org/spring-ws/1");
Iterator iterator = envelope.getBody().getChildElements(rootName);
assertTrue("No child found", iterator.hasNext());
SOAPBodyElement rootElement = (SOAPBodyElement) iterator.next();
Name childName = envelope.createName("Child", "child", "http://springframework.org/spring-ws/2");
iterator = rootElement.getChildElements(childName);
assertTrue("No child found", iterator.hasNext());
SOAPElement childElement = (SOAPElement) iterator.next();
assertEquals("Invalid contents", "Content", childElement.getValue());
Name attributeName = envelope.createName("attribute");
assertEquals("Invalid attribute value", "value", childElement.getAttributeValue(attributeName));
}
}