1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /** 6 * Licensed to the Apache Software Foundation (ASF) under one 7 * or more contributor license agreements. See the NOTICE file 8 * distributed with this work for additional information 9 * regarding copyright ownership. The ASF licenses this file 10 * to you under the Apache License, Version 2.0 (the 11 * "License"); you may not use this file except in compliance 12 * with the License. You may obtain a copy of the License at 13 * 14 * http://www.apache.org/licenses/LICENSE-2.0 15 * 16 * Unless required by applicable law or agreed to in writing, 17 * software distributed under the License is distributed on an 18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 19 * KIND, either express or implied. See the License for the 20 * specific language governing permissions and limitations 21 * under the License. 22 */ 23 package com.sun.org.apache.xml.internal.security.transforms.implementations; 24 25 import java.io.OutputStream; 26 27 import com.sun.org.apache.xml.internal.security.c14n.CanonicalizationException; 28 import com.sun.org.apache.xml.internal.security.c14n.implementations.Canonicalizer20010315OmitComments; 29 import com.sun.org.apache.xml.internal.security.signature.XMLSignatureInput; 30 import com.sun.org.apache.xml.internal.security.transforms.Transform; 31 import com.sun.org.apache.xml.internal.security.transforms.TransformSpi; 32 import com.sun.org.apache.xml.internal.security.transforms.Transforms; 33 34 /** 35 * Implements the {@code http://www.w3.org/TR/2001/REC-xml-c14n-20010315} 36 * transform. 37 * 38 */ 39 public class TransformC14N extends TransformSpi { 40 41 /** Field implementedTransformURI */ 42 public static final String implementedTransformURI = 43 Transforms.TRANSFORM_C14N_OMIT_COMMENTS; 44 45 /** 46 * {@inheritDoc} 47 */ engineGetURI()48 protected String engineGetURI() { 49 return TransformC14N.implementedTransformURI; 50 } 51 enginePerformTransform( XMLSignatureInput input, OutputStream os, Transform transformObject )52 protected XMLSignatureInput enginePerformTransform( 53 XMLSignatureInput input, OutputStream os, Transform transformObject 54 ) throws CanonicalizationException { 55 Canonicalizer20010315OmitComments c14n = new Canonicalizer20010315OmitComments(); 56 c14n.setSecureValidation(secureValidation); 57 if (os != null) { 58 c14n.setWriter(os); 59 } 60 byte[] result = null; 61 result = c14n.engineCanonicalize(input); 62 XMLSignatureInput output = new XMLSignatureInput(result); 63 output.setSecureValidation(secureValidation); 64 if (os != null) { 65 output.setOutputStream(os); 66 } 67 return output; 68 } 69 } 70