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Java > Open Source Codes > com > go > trove > io > DualOutput


1 /* ====================================================================
2  * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group
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27  * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
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52
53 package com.go.trove.io;
54
55 import java.io.IOException JavaDoc;
56 import java.io.OutputStream JavaDoc;
57
58 /******************************************************************************
59  * DualOutput wraps two OutputStreams so they can be written to simultaneously.
60  * This is handy for writing to a file and a class injector at the same time.
61  *
62  * @author Brian S O'Neill
63  * @version
64  * <!--$$Revision:--> 4 <!-- $--> 21 <!-- $$JustDate:--> 12/11/00 <!-- $-->
65  * @see ClassInjector
66  */

67
68 public class DualOutput extends OutputStream JavaDoc {
69     private OutputStream JavaDoc mOut1;
70     private OutputStream JavaDoc mOut2;
71
72     public DualOutput(OutputStream JavaDoc out1, OutputStream JavaDoc out2) {
73         mOut1 = out1;
74         mOut2 = out2;
75     }
76
77     public void write(int b) throws IOException JavaDoc {
78         try {
79             mOut1.write(b);
80         }
81         finally {
82             mOut2.write(b);
83         }
84     }
85
86     public void write(byte[] b, int off, int len) throws IOException JavaDoc {
87         try {
88             mOut1.write(b, off, len);
89         }
90         finally {
91             mOut2.write(b, off, len);
92         }
93     }
94
95     public void flush() throws IOException JavaDoc {
96         try {
97             mOut1.flush();
98         }
99         finally {
100             mOut2.flush();
101         }
102     }
103
104     public void close() throws IOException JavaDoc {
105         try {
106             mOut1.close();
107         }
108         finally {
109             mOut2.close();
110         }
111     }
112 }
113
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