| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 2005 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. |
| * |
| */ |
| /* |
| * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved. |
| */ |
| /* |
| * $Id: DOMCanonicalXMLC14NMethod.java,v 1.2 2008/07/24 15:20:32 mullan Exp $ |
| */ |
| package org.jcp.xml.dsig.internal.dom; |
| |
| import javax.xml.crypto.*; |
| import javax.xml.crypto.dsig.*; |
| import javax.xml.crypto.dsig.spec.TransformParameterSpec; |
| |
| import java.security.InvalidAlgorithmParameterException; |
| |
| import com.sun.org.apache.xml.internal.security.c14n.Canonicalizer; |
| import com.sun.org.apache.xml.internal.security.c14n.InvalidCanonicalizerException; |
| |
| /** |
| * DOM-based implementation of CanonicalizationMethod for Canonical XML |
| * (with or without comments). Uses Apache XML-Sec Canonicalizer. |
| * |
| * @author Sean Mullan |
| */ |
| public final class DOMCanonicalXMLC14NMethod extends ApacheCanonicalizer { |
| |
| public void init(TransformParameterSpec params) |
| throws InvalidAlgorithmParameterException { |
| if (params != null) { |
| throw new InvalidAlgorithmParameterException("no parameters " + |
| "should be specified for Canonical XML C14N algorithm"); |
| } |
| } |
| |
| public Data transform(Data data, XMLCryptoContext xc) |
| throws TransformException { |
| |
| // ignore comments if dereferencing same-document URI that requires |
| // you to omit comments, even if the Transform says otherwise - |
| // this is to be compliant with section 4.3.3.3 of W3C Rec. |
| if (data instanceof DOMSubTreeData) { |
| DOMSubTreeData subTree = (DOMSubTreeData) data; |
| if (subTree.excludeComments()) { |
| try { |
| apacheCanonicalizer = Canonicalizer.getInstance |
| (CanonicalizationMethod.INCLUSIVE); |
| } catch (InvalidCanonicalizerException ice) { |
| throw new TransformException |
| ("Couldn't find Canonicalizer for: " + |
| CanonicalizationMethod.INCLUSIVE + ": " + |
| ice.getMessage(), ice); |
| } |
| } |
| } |
| |
| return canonicalize(data, xc); |
| } |
| } |