/*
* Compare.java (XMLUnit Version)
*
* Copyright 2009 Mark Logic Corporation.
* Portions Copyright 2007 Sun Microsystems, Inc.
* All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* https://xproc.dev.java.net/public/CDDL+GPL.html or
* docs/CDDL+GPL.txt in the distribution. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at docs/CDDL+GPL.txt.
*/
package com.xmlcalabash.extensions.xmlunit;
import java.util.Iterator;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.io.ByteArrayOutputStream;
import com.xmlcalabash.io.ReadablePipe;
import com.xmlcalabash.io.WritablePipe;
import com.xmlcalabash.core.XProcException;
import com.xmlcalabash.core.XProcConstants;
import com.xmlcalabash.core.XProcRuntime;
import com.xmlcalabash.library.DefaultStep;
import com.xmlcalabash.util.S9apiUtils;
import com.xmlcalabash.util.TreeWriter;
import net.sf.saxon.s9api.*;
import com.xmlcalabash.runtime.XAtomicStep;
// ---- XML Unit dependencies ----
import org.custommonkey.xmlunit.XMLAssert;
import org.custommonkey.xmlunit.XMLUnit;
import junit.framework.AssertionFailedError;
// -------------------------------
import javax.xml.transform.Source;
import javax.xml.transform.sax.SAXSource;
import org.xml.sax.SAXException;
/**
* @author Charles Foster
*/
public class Compare extends DefaultStep
{
private static final QName c_result = new QName("c", XProcConstants.NS_XPROC_STEP, "result");
private static final QName _fail_if_not_equal = new QName("","fail-if-not-equal");
private static final QName _compare_unmatched = new QName("","compare-unmatched");
private static final QName _ignore_comments = new QName("","ignore-comments");
private static final QName _ignore_whitespace = new QName("","ignore-whitespace");
private static final QName _normalize = new QName("","normalize");
private static final QName _normalize_whitespace = new QName("","normalize-whitespace");
private static final QName _ignore_diff_between_text_and_cdata = new QName("","ignore-diff-between-text-and-cdata");
private static final boolean default_compare_unmatched = false;
private static final boolean default_ignore_comments = false;
private static final boolean default_ignore_whitespace = false;
private static final boolean default_normalize = false;
private static final boolean default_normalize_whitespace = false;
private static final boolean default_ignore_diff_between_text_and_cdata = false;
private ReadablePipe source = null;
private ReadablePipe alternate = null;
private WritablePipe result = null;
static
{
XMLUnit.setTransformerFactory("net.sf.saxon.TransformerFactoryImpl");
XMLUnit.setXPathFactory("net.sf.saxon.xpath.XPathFactoryImpl");
// XMLUnit.setXSLTVersion("2.0"); // XML Unit has been tested with XSLT version "1.0"
}
/**
* Creates a new instance of XML Unit Compare
*/
public Compare(XProcRuntime runtime, XAtomicStep step) {
super(runtime, step);
}
public void setInput(String port, ReadablePipe pipe) {
if("source".equals(port))
source = pipe;
else
alternate = pipe;
}
public void setOutput(String port, WritablePipe pipe) {
result = pipe;
}
public void reset() {
source.resetReader();
result.resetWriter();
}
private String getXMLDocument(XdmNode saxonNode) throws SaxonApiException
{
Serializer serializer = makeSerializer();
ByteArrayOutputStream stream = new ByteArrayOutputStream();
serializer.setOutputStream(stream);
S9apiUtils.serialize(runtime, saxonNode, serializer);
try {
return stream.toString("UTF-8");
} catch (UnsupportedEncodingException uee) {
// This can't happen...
throw new XProcException(uee);
}
}
public void run() throws SaxonApiException {
super.run();
String sourceDoc = getXMLDocument(source.read());
String alternateDoc = getXMLDocument(alternate.read());
boolean same = false;
try
{
XMLUnit.setCompareUnmatched(getOption(_compare_unmatched, default_compare_unmatched));
XMLUnit.setIgnoreComments(getOption(_ignore_comments, default_ignore_comments));
XMLUnit.setIgnoreDiffBetweenTextAndCDATA(getOption(_ignore_diff_between_text_and_cdata, default_ignore_diff_between_text_and_cdata));
XMLUnit.setIgnoreWhitespace(getOption(_ignore_whitespace, default_ignore_whitespace));
XMLUnit.setNormalize(getOption(_normalize, default_normalize));
XMLAssert.assertXMLEqual(sourceDoc, alternateDoc);
same = true;
}
catch(AssertionFailedError e) { }
catch(SAXException e) { throw new SaxonApiException(e.getMessage()); }
catch(IOException e) { throw new SaxonApiException(e.getMessage()); }
catch(Exception e) { throw new SaxonApiException(e.getMessage()); }
if (!same && getOption(_fail_if_not_equal, false)) {
throw XProcException.stepError(19);
}
TreeWriter treeWriter = new TreeWriter(runtime);
treeWriter.startDocument(step.getNode().getBaseURI());
treeWriter.addStartElement(c_result);
treeWriter.startContent();
treeWriter.addText(String.valueOf(same));
treeWriter.addEndElement();
treeWriter.endDocument();
result.write(treeWriter.getResult());
}
}