/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* 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.xml.security.samples.transforms;
import org.apache.xml.security.signature.XMLSignatureInput;
import org.apache.xml.security.transforms.Transforms;
import org.apache.xml.security.utils.Constants;
import org.apache.xml.security.utils.XMLUtils;
import org.apache.xpath.XPathAPI;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* This class demonstrates the use of a Transform for XSLT. The
* <CODE>xsl:stylesheet</CODE> is directly embedded in the <CODE>ds:Transform</CODE>,
* so the {@link Transform} object is created by using the Element.
*
* @author Christian Geuer-Pollmann
* @version %I%, %G%
*/
public class SampleTransformXPathHereFunc {
/**
* Method main
*
* @param args
* @throws Exception
*/
public static void main(String args[]) throws Exception {
//J-
String inputStr =
"<?xml version=\"1.0\"?>" + "\n"
+ "<Document>" + "\n"
+ " <Data attr='attrValue'>text in Data</Data>" + "\n"
+ "<Signature xmlns='http://www.w3.org/2000/09/xmldsig#'>" + "\n"
+ " <SignedInfo>" + "\n"
+ " <Reference>" + "\n"
+ " <Transforms>" + "\n"
+ " <Transform xmlns:ds='http://www.w3.org/2000/09/xmldsig#' Algorithm='http://www.w3.org/TR/1999/REC-xpath-19991116'>" + "\n"
+ " <XPath>count(ancestor-or-self::ds:Signature | here()/ancestor::ds:Signature[1]) > count(ancestor-or-self::ds:Signature)</XPath>" + "\n"
+ " </Transform>" + "\n"
+ " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments' />" + "\n"
+ " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments' />" + "\n"
+ " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments' />" + "\n"
+ " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments' />" + "\n"
+ " <Transform Algorithm='http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments' />" + "\n"
+ " </Transforms>" + "\n"
+ " </Reference>" + "\n"
+ " </SignedInfo>" + "\n"
+ " </Signature>"
+ "</Document>"
;
//J+
javax.xml.parsers.DocumentBuilderFactory dbf =
javax.xml.parsers.DocumentBuilderFactory.newInstance();
dbf.setNamespaceAware(true);
javax.xml.parsers.DocumentBuilder db = dbf.newDocumentBuilder();
org.w3c.dom.Document doc =
db.parse(new java.io.ByteArrayInputStream(inputStr.getBytes()));
Element nscontext = XMLUtils.createDSctx(doc, "ds", Constants.SignatureSpecNS);
Element transformsElem = (Element) XPathAPI.selectSingleNode(
doc,
"/Document/ds:Signature[1]/ds:SignedInfo/ds:Reference[1]/ds:Transforms",
nscontext);
Transforms transforms = new Transforms(transformsElem, "memory://");
XMLSignatureInput input = new XMLSignatureInput((Node) doc);
// input.setCanonicalizerURI(Canonicalizer.ALGO_ID_C14N_WITH_COMMENTS);
XMLSignatureInput result = transforms.performTransforms(input);
System.out.println(new String(result.getBytes()));
}
}