| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * 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 com.sun.org.apache.xml.internal.security.transforms.implementations; |
| |
| import java.io.OutputStream; |
| |
| import com.sun.org.apache.xml.internal.security.c14n.CanonicalizationException; |
| import com.sun.org.apache.xml.internal.security.c14n.implementations.Canonicalizer20010315ExclWithComments; |
| import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException; |
| import com.sun.org.apache.xml.internal.security.signature.XMLSignatureInput; |
| import com.sun.org.apache.xml.internal.security.transforms.Transform; |
| import com.sun.org.apache.xml.internal.security.transforms.TransformSpi; |
| import com.sun.org.apache.xml.internal.security.transforms.Transforms; |
| import com.sun.org.apache.xml.internal.security.transforms.params.InclusiveNamespaces; |
| import com.sun.org.apache.xml.internal.security.utils.XMLUtils; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Implements the <CODE>http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments</CODE> |
| * transform. |
| * |
| * @author Christian Geuer-Pollmann |
| */ |
| public class TransformC14NExclusiveWithComments extends TransformSpi { |
| |
| /** Field implementedTransformURI */ |
| public static final String implementedTransformURI = |
| Transforms.TRANSFORM_C14N_EXCL_WITH_COMMENTS; |
| |
| /** |
| * Method engineGetURI |
| *@inheritDoc |
| * |
| */ |
| protected String engineGetURI() { |
| return implementedTransformURI; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| protected XMLSignatureInput enginePerformTransform |
| (XMLSignatureInput input, Transform _transformObject) |
| throws CanonicalizationException { |
| return enginePerformTransform(input, null, _transformObject); |
| } |
| |
| protected XMLSignatureInput enginePerformTransform(XMLSignatureInput input,OutputStream os, Transform _transformObject) |
| throws CanonicalizationException { |
| try { |
| String inclusiveNamespaces = null; |
| |
| if (_transformObject |
| .length(InclusiveNamespaces |
| .ExclusiveCanonicalizationNamespace, InclusiveNamespaces |
| ._TAG_EC_INCLUSIVENAMESPACES) == 1) { |
| Element inclusiveElement = |
| XMLUtils.selectNode( |
| _transformObject.getElement().getFirstChild(), |
| InclusiveNamespaces.ExclusiveCanonicalizationNamespace, |
| InclusiveNamespaces._TAG_EC_INCLUSIVENAMESPACES,0); |
| |
| inclusiveNamespaces = new InclusiveNamespaces(inclusiveElement, |
| _transformObject.getBaseURI()).getInclusiveNamespaces(); |
| } |
| |
| Canonicalizer20010315ExclWithComments c14n = |
| new Canonicalizer20010315ExclWithComments(); |
| if (os!=null) { |
| c14n.setWriter( os); |
| } |
| byte []result; |
| result =c14n.engineCanonicalize(input, inclusiveNamespaces); |
| XMLSignatureInput output=new XMLSignatureInput(result); |
| |
| return output; |
| } catch (XMLSecurityException ex) { |
| throw new CanonicalizationException("empty", ex); |
| } |
| } |
| } |