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.adapter;
18
19 import java.io.IOException;
20 import java.io.OutputStream;
21
22 import org.activeio.Packet;
23
24 /***
25 * Provides an OutputStream for a given Packet.
26 *
27 * @version $Revision$
28 */
29 public class PacketOutputStream extends OutputStream {
30
31 final Packet packet;
32
33 public PacketOutputStream(Packet packet) {
34 this.packet = packet;
35 }
36
37 public void write(int b) throws IOException {
38 if( !packet.write(b) )
39 throw new IOException("Packet does not have any remaining space to write to.");
40 }
41
42 public void write(byte[] b, int off, int len) throws IOException {
43 if( packet.write(b, off, len)!=len )
44 throw new IOException("Packet does not have "+len+" byte(s) left to write to.");
45 }
46 }