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 */ 23package com.sun.org.apache.xml.internal.security.utils; 24 25import java.io.ByteArrayOutputStream; 26 27import com.sun.org.apache.xml.internal.security.algorithms.MessageDigestAlgorithm; 28 29/** 30 * @author raul 31 * 32 */ 33public class DigesterOutputStream extends ByteArrayOutputStream { 34 private static final java.util.logging.Logger log = 35 java.util.logging.Logger.getLogger(DigesterOutputStream.class.getName()); 36 37 final MessageDigestAlgorithm mda; 38 39 /** 40 * @param mda 41 */ 42 public DigesterOutputStream(MessageDigestAlgorithm mda) { 43 this.mda = mda; 44 } 45 46 /** @inheritDoc */ 47 public void write(byte[] arg0) { 48 write(arg0, 0, arg0.length); 49 } 50 51 /** @inheritDoc */ 52 public void write(int arg0) { 53 mda.update((byte)arg0); 54 } 55 56 /** @inheritDoc */ 57 public void write(byte[] arg0, int arg1, int arg2) { 58 if (log.isLoggable(java.util.logging.Level.FINE)) { 59 log.log(java.util.logging.Level.FINE, "Pre-digested input:"); 60 StringBuilder sb = new StringBuilder(arg2); 61 for (int i = arg1; i < (arg1 + arg2); i++) { 62 sb.append((char)arg0[i]); 63 } 64 log.log(java.util.logging.Level.FINE, sb.toString()); 65 } 66 mda.update(arg0, arg1, arg2); 67 } 68 69 /** 70 * @return the digest value 71 */ 72 public byte[] getDigestValue() { 73 return mda.digest(); 74 } 75} 76