1 // ======================================================================== 2 // Copyright 2008 Mort Bay Consulting Pty. Ltd. 3 // ------------------------------------------------------------------------ 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // Unless required by applicable law or agreed to in writing, software 9 // distributed under the License is distributed on an "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 // ======================================================================== 14 package org.mortbay.io.nio; 15 16 import java.nio.ByteBuffer; 17 18 import org.mortbay.io.ByteArrayBuffer; 19 20 public class IndirectNIOBuffer extends ByteArrayBuffer implements NIOBuffer 21 { 22 protected ByteBuffer _buf; 23 24 /* ------------------------------------------------------------ */ 25 public IndirectNIOBuffer(int size) 26 { 27 super(READWRITE,NON_VOLATILE); 28 _buf = ByteBuffer.allocate(size); 29 _buf.position(0); 30 _buf.limit(_buf.capacity()); 31 _bytes=_buf.array(); 32 } 33 34 /* ------------------------------------------------------------ */ 35 public IndirectNIOBuffer(ByteBuffer buffer,boolean immutable) 36 { 37 super(immutable?IMMUTABLE:READWRITE,NON_VOLATILE); 38 if (buffer.isDirect()) 39 throw new IllegalArgumentException(); 40 _buf = buffer; 41 setGetIndex(buffer.position()); 42 setPutIndex(buffer.limit()); 43 _bytes=_buf.array(); 44 } 45 46 /* ------------------------------------------------------------ */ 47 public ByteBuffer getByteBuffer() 48 { 49 return _buf; 50 } 51 52 /* ------------------------------------------------------------ */ 53 public boolean isDirect() 54 { 55 return false; 56 } 57 }