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 }