Clover coverage report - ActiveIO - 1.0
Coverage timestamp: Fri Apr 22 2005 14:27:22 PDT
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%
coverage coverage
 1   
 /**
 2   
  *
 3   
  * Copyright 2004 Hiram Chirino
 4   
  *
 5   
  *  Licensed under the Apache License, Version 2.0 (the "License");
 6   
  *  you may not use this file except in compliance with the License.
 7   
  *  You may obtain a copy of the License at
 8   
  *
 9   
  *     http://www.apache.org/licenses/LICENSE-2.0
 10   
  *
 11   
  *  Unless required by applicable law or agreed to in writing, software
 12   
  *  distributed under the License is distributed on an "AS IS" BASIS,
 13   
  *  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   
 /**
 27   
  */
 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