|
|||||||||||||||||||
| 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% |
|
||||||||||||||
| 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 |
**/
|
|
| 18 |
package org.activeio.adapter;
|
|
| 19 |
|
|
| 20 |
import java.io.IOException;
|
|
| 21 |
import java.io.OutputStream;
|
|
| 22 |
|
|
| 23 |
import org.activeio.Packet;
|
|
| 24 |
import org.activeio.packet.AppendedPacket;
|
|
| 25 |
import org.activeio.packet.ByteArrayPacket;
|
|
| 26 |
|
|
| 27 |
/**
|
|
| 28 |
*
|
|
| 29 |
*/
|
|
| 30 |
final public class PacketByteArrayOutputStream extends OutputStream { |
|
| 31 |
|
|
| 32 |
private Packet result;
|
|
| 33 |
private Packet current;
|
|
| 34 |
int nextAllocationSize=0;
|
|
| 35 |
|
|
| 36 | 0 |
public PacketByteArrayOutputStream() {
|
| 37 | 0 |
this( 1024 );
|
| 38 |
} |
|
| 39 |
|
|
| 40 | 0 |
public PacketByteArrayOutputStream(int initialSize) { |
| 41 | 0 |
nextAllocationSize = initialSize; |
| 42 | 0 |
current = allocate(); |
| 43 |
} |
|
| 44 |
|
|
| 45 | 0 |
protected Packet allocate() {
|
| 46 | 0 |
ByteArrayPacket packet = new ByteArrayPacket(new byte[nextAllocationSize]); |
| 47 | 0 |
nextAllocationSize <<= 3; // x by 8
|
| 48 | 0 |
return packet;
|
| 49 |
} |
|
| 50 |
|
|
| 51 | 0 |
public void skip(int size) { |
| 52 | 0 |
while( size > 0 ) {
|
| 53 | 0 |
if( !current.hasRemaining() ) {
|
| 54 | 0 |
allocatedNext(); |
| 55 |
} |
|
| 56 |
|
|
| 57 | 0 |
int skip = ((size <= current.remaining()) ? size : current.remaining());
|
| 58 | 0 |
current.position(current.position()+skip); |
| 59 | 0 |
size -= skip; |
| 60 |
} |
|
| 61 |
} |
|
| 62 |
|
|
| 63 | 0 |
public void write(int b) throws IOException { |
| 64 | 0 |
if( !current.hasRemaining() ) {
|
| 65 | 0 |
allocatedNext(); |
| 66 |
} |
|
| 67 | 0 |
current.write(b); |
| 68 |
} |
|
| 69 |
|
|
| 70 | 0 |
public void write(byte[] b, int off, int len) throws IOException { |
| 71 | 0 |
while( len > 0 ) {
|
| 72 | 0 |
if( !current.hasRemaining() ) {
|
| 73 | 0 |
allocatedNext(); |
| 74 |
} |
|
| 75 | 0 |
int wrote = current.write(b,off,len);
|
| 76 | 0 |
off+=wrote; |
| 77 | 0 |
len-=wrote; |
| 78 |
} |
|
| 79 |
} |
|
| 80 |
|
|
| 81 | 0 |
private void allocatedNext() { |
| 82 | 0 |
if( result == null ) { |
| 83 | 0 |
current.flip(); |
| 84 | 0 |
result = current; |
| 85 |
} else {
|
|
| 86 | 0 |
current.flip(); |
| 87 | 0 |
result = AppendedPacket.join(result, current); |
| 88 |
} |
|
| 89 | 0 |
current = allocate(); |
| 90 |
} |
|
| 91 |
|
|
| 92 | 0 |
public Packet getPacket() {
|
| 93 | 0 |
if( result == null ) { |
| 94 | 0 |
current.flip(); |
| 95 | 0 |
return current.slice();
|
| 96 |
} else {
|
|
| 97 | 0 |
current.flip(); |
| 98 | 0 |
return AppendedPacket.join(result, current);
|
| 99 |
} |
|
| 100 |
} |
|
| 101 |
|
|
| 102 | 0 |
public void reset() { |
| 103 | 0 |
result = null;
|
| 104 | 0 |
current.clear(); |
| 105 |
} |
|
| 106 |
|
|
| 107 | 0 |
public int position() { |
| 108 | 0 |
return current.position() + (result==null ? 0 : result.remaining()); |
| 109 |
} |
|
| 110 |
} |
|
| 111 |
|
|
||||||||||