| /** |
| * 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.transforms.implementations; |
| |
| import java.io.OutputStream; |
| |
| import org.apache.xml.security.c14n.CanonicalizationException; |
| import org.apache.xml.security.c14n.implementations.Canonicalizer20010315ExclOmitComments; |
| import org.apache.xml.security.exceptions.XMLSecurityException; |
| import org.apache.xml.security.signature.XMLSignatureInput; |
| import org.apache.xml.security.transforms.Transform; |
| import org.apache.xml.security.transforms.TransformSpi; |
| import org.apache.xml.security.transforms.Transforms; |
| import org.apache.xml.security.transforms.params.InclusiveNamespaces; |
| import org.apache.xml.security.utils.XMLUtils; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Class TransformC14NExclusive |
| * |
| */ |
| public class TransformC14NExclusive extends TransformSpi { |
| |
| /** Field implementedTransformURI */ |
| public static final String implementedTransformURI = |
| Transforms.TRANSFORM_C14N_EXCL_OMIT_COMMENTS; |
| |
| /** |
| * Method engineGetURI |
| * |
| * {@inheritDoc} |
| */ |
| protected String engineGetURI() { |
| return implementedTransformURI; |
| } |
| |
| 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(); |
| } |
| |
| Canonicalizer20010315ExclOmitComments c14n = |
| new Canonicalizer20010315ExclOmitComments(); |
| c14n.setSecureValidation(secureValidation); |
| if (os != null) { |
| c14n.setWriter(os); |
| } |
| byte[] result = c14n.engineCanonicalize(input, inclusiveNamespaces); |
| |
| XMLSignatureInput output = new XMLSignatureInput(result); |
| output.setSecureValidation(secureValidation); |
| if (os != null) { |
| output.setOutputStream(os); |
| } |
| return output; |
| } catch (XMLSecurityException ex) { |
| throw new CanonicalizationException(ex); |
| } |
| } |
| } |