Clover coverage report - ActiveIO - 1.0 Coverage timestamp: Fri Apr 22 2005 14:27:22 PDT FRAMES NO FRAMES |
file stats: | LOC: | 71 |  | Methods: | 5
| NCLOC: | 39 |  | Classes: | 1
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Source file | Conditionals | Statements | Methods | TOTAL
WriteBufferedAsynchChannel.java | 50% | 60% | 60% | 57.7% |

1 |  |
     /**
2 |  |
      *
3 |  |
      * Copyright 2004 Hiram Chirino
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      *
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      *  Licensed under the Apache License, Version 2.0 (the "License");
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      *  you may not use this file except in compliance with the License.
7 |  |
      *  You may obtain a copy of the License at
8 |  |
      *
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      *     http://www.apache.org/licenses/LICENSE-2.0
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      *
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      *  Unless required by applicable law or agreed to in writing, software
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      *  distributed under the License is distributed on an "AS IS" BASIS,
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      *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 |  |
      *  See the License for the specific language governing permissions and
15 |  |
      *  limitations under the License.
16 |  |
      */
17 |  |
     package org.activeio.filter;
18 |  |
19 |  |
     import java.io.IOException;
20 |  |
21 |  |
     import org.activeio.AsynchChannel;
22 |  |
     import org.activeio.FilterAsynchChannel;
23 |  |
     import org.activeio.Packet;
24 |  |
     import org.activeio.packet.ByteArrayPacket;
25 |  |
26 |  |
     /**
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      */
28 |  |
     public class WriteBufferedAsynchChannel extends FilterAsynchChannel {
29 |  |
30 |  |
         private static final int DEFAULT_BUFFER_SIZE = 1024*64;
31 |  |
         private final Packet buffer;
32 |  |
         private final boolean enableDirectWrites;
33 |  |
34 | 0 |
         public WriteBufferedAsynchChannel(AsynchChannel channel) {
35 | 0 |
             this(channel, new ByteArrayPacket(new byte[DEFAULT_BUFFER_SIZE]));
36 |  |
         }
37 |  |
38 | 0 |
         public WriteBufferedAsynchChannel(AsynchChannel channel, Packet buffer) {
39 | 0 |
             this(channel, buffer, true);
40 |  |
         }
41 |  |
42 | 16 |
         public WriteBufferedAsynchChannel(AsynchChannel channel, Packet buffer, boolean enableDirectWrites) {
43 | 16 |
             super(channel);
44 | 16 |
             this.buffer = buffer;
45 | 16 |
             this.enableDirectWrites = enableDirectWrites;
46 |  |
         }
47 |  |
48 | 2004 |
         public void write(Packet packet) throws IOException {
49 |  |
50 | 2004 |
             while( packet.hasRemaining() ) {
51 | 2004 |
                 packet.read(buffer);
52 | 2004 |
                 if( !buffer.hasRemaining() ) {
53 | 0 |
                     flush();
54 |  |
55 |  |
                     // Should we just direct write the rest?
56 | 0 |
                     if( enableDirectWrites && packet.remaining() > buffer.capacity()) {
57 | 0 |
                         getNext().write(packet);
58 | 0 |
                         return;
59 |  |
                     }
60 |  |
                 }
61 |  |
             }
62 |  |
63 |  |
         }
64 |  |
65 | 2004 |
         public void flush() throws IOException {
66 | 2004 |
             buffer.flip();
67 | 2004 |
             getNext().write(buffer);
68 | 2004 |
             buffer.clear();
69 |  |
         }
70 |  |
     }
71 |  |