| /** |
| * 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)); |
| } |
| } |