/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.xml.security.samples.canonicalization;
import java.io.ByteArrayInputStream;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.xml.security.signature.XMLSignatureInput;
import org.apache.xml.security.transforms.Transforms;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
* @author Christian Geuer-Pollmann
*/
public class CanonByTransform {
static String input = ""
+ "<!DOCTYPE doc [<!ATTLIST e9 attr CDATA \"default\">]>\n"
+ "<!-- Comment 2 --><doc><!-- comment inside -->\n"
+ " <e1 />\n"
+ " <e2 ></e2>\n"
+ " <e3 name = \"elem3\" id=\"elem3\" />\n"
+ " <e4 name=\"elem4\" id=\"elem4\" ></e4>\n"
+ " <e5 a:attr=\"out\" b:attr=\"sorted\" attr2=\"all\" attr=\"I'm\"\n"
+ " xmlns:b=\"http://www.ietf.org\"\n"
+ " xmlns:a=\"http://www.w3.org\"\n"
+ " xmlns=\"http://example.org\"/>\n"
+ " <e6 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n"
+ " <e7 xmlns=\"http://www.ietf.org\">\n"
+ " <e8 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n"
+ " <e9 xmlns=\"\" xmlns:a=\"http://www.ietf.org\"/>\n"
+ " <text>©</text>\n"
+ " </e8>\n"
+ " </e7>\n"
+ " </e6>\n"
+ "</doc><!-- Comment 3 -->\n"
;
/**
* Method main
*
* @param args
* @throws Exception
*/
public static void main(String args[]) throws Exception {
org.apache.xml.security.Init.init();
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
dfactory.setNamespaceAware(true);
dfactory.setValidating(true);
DocumentBuilder documentBuilder = dfactory.newDocumentBuilder();
// this is to throw away all validation warnings
documentBuilder.setErrorHandler(new org.apache.xml.security.utils.IgnoreAllErrorHandler());
byte inputBytes[] = input.getBytes();
Document inputDoc =
documentBuilder.parse(new ByteArrayInputStream(inputBytes));
// after playing around, we have our document now
XMLSignatureInput signatureInput = new XMLSignatureInput((Node) inputDoc);
Document transformDoc = documentBuilder.newDocument();
Transforms c14nTrans = new Transforms(transformDoc);
transformDoc.appendChild(c14nTrans.getElement());
c14nTrans.addTransform("http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments");
XMLSignatureInput c14nResult = c14nTrans.performTransforms(signatureInput);
byte outputBytes[] = c14nResult.getBytes();
System.out.println(new String(outputBytes));
}
}