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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
PacketByteArrayOutputStream.java | 0% | 0% | 0% | 0% |
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1 |
/**
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*
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* 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.
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* You may obtain a copy of the License at
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*
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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.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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**/
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package org.activeio.adapter;
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import java.io.IOException;
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import java.io.OutputStream;
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import org.activeio.Packet;
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import org.activeio.packet.AppendedPacket;
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import org.activeio.packet.ByteArrayPacket;
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/**
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*
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*/
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final public class PacketByteArrayOutputStream extends OutputStream { |
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private Packet result;
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private Packet current;
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int nextAllocationSize=0;
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36 | 0 |
public PacketByteArrayOutputStream() {
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this( 1024 );
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} |
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40 | 0 |
public PacketByteArrayOutputStream(int initialSize) { |
41 | 0 |
nextAllocationSize = initialSize; |
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current = allocate(); |
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} |
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45 | 0 |
protected Packet allocate() {
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ByteArrayPacket packet = new ByteArrayPacket(new byte[nextAllocationSize]); |
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nextAllocationSize <<= 3; // x by 8
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48 | 0 |
return packet;
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} |
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51 | 0 |
public void skip(int size) { |
52 | 0 |
while( size > 0 ) {
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53 | 0 |
if( !current.hasRemaining() ) {
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allocatedNext(); |
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} |
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57 | 0 |
int skip = ((size <= current.remaining()) ? size : current.remaining());
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58 | 0 |
current.position(current.position()+skip); |
59 | 0 |
size -= skip; |
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} |
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} |
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63 | 0 |
public void write(int b) throws IOException { |
64 | 0 |
if( !current.hasRemaining() ) {
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allocatedNext(); |
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} |
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67 | 0 |
current.write(b); |
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} |
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70 | 0 |
public void write(byte[] b, int off, int len) throws IOException { |
71 | 0 |
while( len > 0 ) {
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if( !current.hasRemaining() ) {
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allocatedNext(); |
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} |
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75 | 0 |
int wrote = current.write(b,off,len);
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off+=wrote; |
77 | 0 |
len-=wrote; |
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} |
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} |
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81 | 0 |
private void allocatedNext() { |
82 | 0 |
if( result == null ) { |
83 | 0 |
current.flip(); |
84 | 0 |
result = current; |
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} else {
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86 | 0 |
current.flip(); |
87 | 0 |
result = AppendedPacket.join(result, current); |
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} |
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89 | 0 |
current = allocate(); |
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} |
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92 | 0 |
public Packet getPacket() {
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93 | 0 |
if( result == null ) { |
94 | 0 |
current.flip(); |
95 | 0 |
return current.slice();
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} else {
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97 | 0 |
current.flip(); |
98 | 0 |
return AppendedPacket.join(result, current);
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} |
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} |
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102 | 0 |
public void reset() { |
103 | 0 |
result = null;
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104 | 0 |
current.clear(); |
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} |
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107 | 0 |
public int position() { |
108 | 0 |
return current.position() + (result==null ? 0 : result.remaining()); |
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} |
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} |
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