DexBackedFieldReference.java revision 22c3185bb7c8618437eabe6c597549e0989ec4e6
1/* 2 * Copyright 2012, Google Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32package org.jf.dexlib2.dexbacked.reference; 33 34import org.jf.dexlib2.base.reference.BaseFieldReference; 35import org.jf.dexlib2.dexbacked.DexBuffer; 36 37import javax.annotation.Nonnull; 38 39public class DexBackedFieldReference extends BaseFieldReference { 40 @Nonnull public final DexBuffer dexBuf; 41 public final int fieldIdItemOffset; 42 43 public DexBackedFieldReference(@Nonnull DexBuffer dexBuf, int fieldIndex) { 44 this.dexBuf = dexBuf; 45 this.fieldIdItemOffset = dexBuf.getFieldIdItemOffset(fieldIndex); 46 } 47 48 @Nonnull 49 @Override 50 public String getDefiningClass() { 51 return dexBuf.getType(dexBuf.readUshort(fieldIdItemOffset + DexBuffer.FIELD_CLASS_IDX_OFFSET)); 52 } 53 54 @Nonnull 55 @Override 56 public String getName() { 57 return dexBuf.getString(dexBuf.readSmallUint(fieldIdItemOffset + DexBuffer.FIELD_NAME_IDX_OFFSET)); 58 } 59 60 @Nonnull 61 @Override 62 public String getType() { 63 return dexBuf.getType(dexBuf.readUshort(fieldIdItemOffset + DexBuffer.FIELD_TYPE_IDX_OFFSET)); 64 } 65} 66