1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * Copyright 1999-2005 The Apache Software Foundation.
   7  *
   8  *  Licensed under the Apache License, Version 2.0 (the "License");
   9  *  you may not use this file except in compliance with the License.
  10  *  You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  *  Unless required by applicable law or agreed to in writing, software
  15  *  distributed under the License is distributed on an "AS IS" BASIS,
  16  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  *  See the License for the specific language governing permissions and
  18  *  limitations under the License.
  19  *
  20  */
  21 /*
  22  * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
  23  */
  24 /*
  25  * $Id: SignerOutputStream.java,v 1.2 2008/07/24 15:20:31 mullan Exp $
  26  */
  27 package org.jcp.xml.dsig.internal;
  28 
  29 import java.io.ByteArrayOutputStream;
  30 import java.security.Signature;
  31 import java.security.SignatureException;
  32 
  33 /**
  34  * Derived from Apache sources and changed to use java.security.Signature
  35  * objects as input instead of com.sun.org.apache.xml.internal.security.algorithms.SignatureAlgorithm
  36  * objects.
  37  *
  38  * @author raul
  39  * @author Sean Mullan
  40  */
  41 public class SignerOutputStream extends ByteArrayOutputStream {
  42     private final Signature sig;
  43 
  44     public SignerOutputStream(Signature sig) {
  45         this.sig=sig;
  46     }
  47 
  48     /** @inheritDoc */
  49     public void write(byte[] arg0)  {
  50         super.write(arg0, 0, arg0.length);
  51         try {
  52             sig.update(arg0);
  53         } catch (SignatureException e) {
  54             throw new RuntimeException(""+e);
  55         }
  56     }
  57 
  58     /** @inheritDoc */
  59     public void write(int arg0) {
  60         super.write(arg0);
  61         try {
  62             sig.update((byte)arg0);
  63         } catch (SignatureException e) {
  64             throw new RuntimeException(""+e);
  65         }
  66     }
  67 
  68     /** @inheritDoc */
  69     public void write(byte[] arg0, int arg1, int arg2) {
  70         super.write(arg0, arg1, arg2);
  71         try {
  72             sig.update(arg0,arg1,arg2);
  73         } catch (SignatureException e) {
  74             throw new RuntimeException(""+e);
  75         }
  76     }
  77 }