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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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.apache.tuscany.sdo.test;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
public class TestUtil
{
private static void getAllNodes(NodeList nodeList, List<Node> nodes)
{
int length = nodeList.getLength();
if (length == 0)
{
return;
}
for (int i=0; i<length; i++)
{
Node node = nodeList.item(i);
nodes.add(node);
getAllNodes(node.getChildNodes(), nodes);
} // for
}
private static boolean equalNodes(NodeList sourceNodeList, NodeList targetNodeList)
{
ArrayList<Node> sourceNodes = new ArrayList<Node>();
ArrayList<Node> targetNodes = new ArrayList<Node>();
getAllNodes(sourceNodeList, sourceNodes);
getAllNodes(targetNodeList, targetNodes);
int sourceLength = sourceNodes.size();
int targetLength = targetNodes.size();
if (sourceLength != targetLength)
{
return false;
}
for (int i=0; i<sourceLength; i++)
{
Node sourceNode = sourceNodes.get(i);
Node targetNode = targetNodes.get(i);
if (!sourceNode.isEqualNode(targetNode))
{
return false;
}
} // for
return true;
}
public static boolean equalXmlFiles(URL source, URL target)
{
try {
return equalXmlFiles(source.openStream(), target.openStream());
}
catch (IOException e)
{
return false;
}
}
public static boolean equalXmlFiles(InputStream sourceStream, URL target)
{
try {
return equalXmlFiles(sourceStream, target.openStream());
}
catch (IOException e)
{
return false;
}
}
public static boolean equalXmlFiles(URL source, InputStream targetStream)
{
try {
return equalXmlFiles(source.openStream(), targetStream);
}
catch (IOException e)
{
return false;
}
}
public static boolean equalXmlFiles(InputStream sourceStream, InputStream targetStream)
{
DocumentBuilder builder;
Document sourceDocument;
Document targetDocument;
try {
builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
sourceDocument = builder.parse(sourceStream);
targetDocument = builder.parse(targetStream);
}
catch (FactoryConfigurationError fce) {
return false;
}
catch (ParserConfigurationException ce) {
return false;
}
catch (SAXException se)
{
return false;
}
catch (IOException ie)
{
return false;
}
sourceDocument.normalizeDocument();
targetDocument.normalizeDocument();
if (!sourceDocument.getXmlVersion().equals(targetDocument.getXmlVersion()))
{
return false;
}
String sourceXmlEncoding = sourceDocument.getXmlEncoding();
String targetXmlEncoding = targetDocument.getXmlEncoding();
if (sourceXmlEncoding != null && targetXmlEncoding != null &&
sourceXmlEncoding.equalsIgnoreCase(targetXmlEncoding))
{
// continue
}
else
{
return false;
}
NodeList sourceNodes = sourceDocument.getChildNodes();
NodeList targetNodes = targetDocument.getChildNodes();
return equalNodes(sourceNodes, targetNodes);
}
}
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