| /** |
| * 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. |
| */ |
| /* |
| * Copyright 2005 Sun Microsystems, Inc. All rights reserved. |
| */ |
| /* |
| * $Id$ |
| */ |
| package org.apache.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 org.apache.xml.security.c14n.Canonicalizer; |
| import org.apache.xml.security.c14n.InvalidCanonicalizerException; |
| |
| /** |
| * DOM-based implementation of CanonicalizationMethod for Canonical XML |
| * (with or without comments). Uses Apache XML-Sec Canonicalizer. |
| * |
| */ |
| 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); |
| boolean secVal = Utils.secureValidation(xc); |
| apacheCanonicalizer.setSecureValidation(secVal); |
| } catch (InvalidCanonicalizerException ice) { |
| throw new TransformException |
| ("Couldn't find Canonicalizer for: " + |
| CanonicalizationMethod.INCLUSIVE + ": " + |
| ice.getMessage(), ice); |
| } |
| } |
| } |
| |
| return canonicalize(data, xc); |
| } |
| } |