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 /*
  24  * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
  25  */
  26 /*
  27  * $Id: SignerOutputStream.java,v 1.2 2005/09/15 14:29:02 mullan Exp $
  28  */
  29 package org.jcp.xml.dsig.internal;
  30 
  31 import java.io.ByteArrayOutputStream;
  32 import java.security.Signature;
  33 import java.security.SignatureException;
  34 
  35 /**
  36  * Derived from Apache sources and changed to use java.security.Signature 
  37  * objects as input instead of 
  38  * com.sun.org.apache.xml.internal.security.algorithms.SignatureAlgorithm objects.
  39  *
  40  * @author raul
  41  * @author Sean Mullan
  42  */
  43 public class SignerOutputStream extends ByteArrayOutputStream {
  44     private final Signature sig;
  45 
  46     public SignerOutputStream(Signature sig) {
  47         this.sig = sig;
  48     }
  49 
  50     @Override
  51     public void write(int arg0) {
  52         super.write(arg0);
  53         try {
  54             sig.update((byte)arg0);
  55         } catch (SignatureException e) {
  56             throw new RuntimeException(e);
  57         }
  58     }
  59 
  60     @Override
  61     public void write(byte[] arg0, int arg1, int arg2) {
  62         super.write(arg0, arg1, arg2);
  63         try {
  64             sig.update(arg0, arg1, arg2);
  65         } catch (SignatureException e) {
  66             throw new RuntimeException(e);
  67         }
  68     }
  69 }