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  * $Id: SignerOutputStream.java,v 1.1.2.2 2005/08/12 18:01:58 mullan Exp $

    23  */

    24 package org.jcp.xml.dsig.internal;

    25 

    26 import java.io.ByteArrayOutputStream;

    27 import java.security.Signature;

    28 import java.security.SignatureException;

    29 

    30 /**

    31  * Derived from Apache sources and changed to use java.security.Signature

    32  * objects as input instead of org.apache.xml.security.algorithms.SignatureAlgorithm

    33  * objects.

    34  *

    35  * @author raul

    36  */

    37 public class SignerOutputStream extends ByteArrayOutputStream {

    38     private final Signature sig;

    39 

    40     public SignerOutputStream(Signature sig) {

    41         this.sig=sig;

    42     }

    43 

    44     /** @inheritDoc */

    45     public void write(byte[] arg0)  {

    46         super.write(arg0, 0, arg0.length);

    47         try {

    48             sig.update(arg0);

    49         } catch (SignatureException e) {

    50             throw new RuntimeException(""+e);

    51         }

    52     }

    53 

    54     /** @inheritDoc */

    55     public void write(int arg0) {

    56         super.write(arg0);

    57         try {

    58             sig.update((byte)arg0);

    59         } catch (SignatureException e) {

    60             throw new RuntimeException(""+e);

    61         }

    62     }

    63 

    64     /** @inheritDoc */

    65     public void write(byte[] arg0, int arg1, int arg2) {

    66         super.write(arg0, arg1, arg2);

    67         try {

    68             sig.update(arg0,arg1,arg2);

    69         } catch (SignatureException e) {

    70             throw new RuntimeException(""+e);

    71         }

    72     }

    73 }