/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.patching.metadata;
import static org.junit.Assert.assertEquals;
import org.w3c.dom.Document;
import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSParser;
import org.w3c.dom.ls.LSSerializer;
/**
* FIXME: copied from ModelTestUtils. This class can not be used since adding a dependency to jboss-as-subsystem-test creates
* a circular dependencies in Maven modules
*
* @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2012, Red Hat inc
*
*/
public class XMLUtils {
/**
* Normalize and pretty-print XML so that it can be compared using string
* compare. The following code does the following: - Removes comments -
* Makes sure attributes are ordered consistently - Trims every element -
* Pretty print the document
*
* @param xml The XML to be normalized
* @return The equivalent XML, but now normalized
*/
public static String normalizeXML(String xml) throws Exception {
// Remove all white space adjoining tags ("trim all elements")
xml = xml.replaceAll("\\s*<", "<");
xml = xml.replaceAll(">\\s*", ">");
DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
DOMImplementationLS domLS = (DOMImplementationLS) registry.getDOMImplementation("LS");
LSParser lsParser = domLS.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
LSInput input = domLS.createLSInput();
input.setStringData(xml);
Document document = lsParser.parse(input);
LSSerializer lsSerializer = domLS.createLSSerializer();
lsSerializer.getDomConfig().setParameter("comments", Boolean.FALSE);
lsSerializer.getDomConfig().setParameter("format-pretty-print", Boolean.TRUE);
return lsSerializer.writeToString(document);
}
public static void compareXml(final String original, final String marshalled, final boolean ignoreNamespace) throws Exception {
final String xmlOriginal;
final String xmlMarshalled;
if (ignoreNamespace) {
xmlOriginal = XMLUtils.removeNamespace(original);
xmlMarshalled = XMLUtils.removeNamespace(marshalled);
} else {
xmlOriginal = original;
xmlMarshalled = marshalled;
}
assertEquals(normalizeXML(xmlOriginal), normalizeXML(xmlMarshalled));
}
static String removeNamespace(String xml) {
int start = xml.indexOf(" xmlns=\"");
int end = xml.indexOf('"', start + "xmlns=\"".length() + 1);
if (start != -1) {
StringBuilder sb = new StringBuilder(xml.substring(0, start));
sb.append(xml.substring(end + 1));
return sb.toString();
}
return xml;
}
}