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/*
* Copyright 2001-2004 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 test.wsdl.sequence;
import org.apache.axis.utils.XMLUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
/**
* Sequence test service. This is a custom built message-style service
* which confirms that the XML it receives correctly contains ordered
* elements <zero> through <five>.
*
* @author Glen Daniels (gdaniels@apache.org)
*/
public class SequenceService {
private String [] names = new String [] { "zero",
"one",
"two",
"three",
"four",
"five" };
/**
* This is a message-style service because we're just testing the
* serialization.
*
* @return a SOAP response in a DOM Element, either boolean true or false,
* indicating the success/failure of the test.
*/
public Element [] testSequence(Element [] elems) throws Exception {
Element zero = null;
for (int i = 0; i < elems.length; i++) {
zero = findTheZero(elems[i]);
if (zero != null)
break;
}
Document retDoc = XMLUtils.newDocument();
Element [] ret = new Element [1];
ret[0] = retDoc.createElementNS("urn:SequenceTest",
"testSequenceResponse");
boolean success = false;
Element resultElement;
if (zero != null) {
// Check for correct ordering
int i = 1;
Node sib = zero.getNextSibling();
for (i = 1; i < names.length; i++) {
while ((sib != null) && !(sib instanceof Element))
sib = sib.getNextSibling();
if ((sib == null) ||
!(names[i].equals(((Element)sib).getLocalName())))
break;
sib = sib.getNextSibling();
}
if (i == names.length)
success = true;
}
resultElement = retDoc.createElementNS(null,"return");
String resultStr = "false";
if (success) {
resultStr = "true";
}
Text text = retDoc.createTextNode(resultStr);
resultElement.appendChild(text);
ret[0].appendChild(resultElement);
return ret;
}
/**
* Walk an XML tree, looking for a <zero> element
* @param start the Element to walk down from
* @return an Element named <zero> or null
*/
private Element findTheZero(Element start) {
if (names[0].equals(start.getLocalName())) {
return start;
}
NodeList nl = start.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node node = nl.item(i);
if (node instanceof Element) {
Element result = findTheZero((Element)node);
if (result != null) {
return result;
}
}
}
return null;
}
}
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