1 /* 2 * Copyright (C) 2007 The Android Open Source Project 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 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.apache.harmony.dalvik.ddmc; 18 19 import java.nio.ByteBuffer; 20 21 /** 22 * A chunk of DDM data. This is really just meant to hold a few pieces 23 * of data together. 24 * 25 * The "offset" and "length" fields are present so handlers can over-allocate 26 * or share byte buffers. 27 */ 28 public class Chunk { 29 30 /* 31 * Public members. Do not rename without updating the VM. 32 */ 33 public int type; // chunk type 34 public byte[] data; // chunk data 35 public int offset, length; // position within "data" 36 37 /** 38 * Blank constructor. Fill in your own fields. 39 */ 40 public Chunk() {} 41 42 /** 43 * Constructor with all fields. 44 */ 45 public Chunk(int type, byte[] data, int offset, int length) { 46 this.type = type; 47 this.data = data; 48 this.offset = offset; 49 this.length = length; 50 } 51 52 /** 53 * Construct from a ByteBuffer. The chunk is assumed to start at 54 * offset 0 and continue to the current position. 55 */ 56 public Chunk(int type, ByteBuffer buf) { 57 this.type = type; 58 59 this.data = buf.array(); 60 this.offset = buf.arrayOffset(); 61 this.length = buf.position(); 62 } 63 } 64 65
