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 32 package org.jf.dexlib2.base.reference; 33 34 import org.jf.dexlib2.iface.reference.FieldReference; 35 import org.jf.dexlib2.util.ReferenceUtil; 36 37 import javax.annotation.Nonnull; 38 import javax.annotation.Nullable; 39 40 public abstract class BaseFieldReference implements FieldReference { 41 @Override hashCode()42 public int hashCode() { 43 int hashCode = getDefiningClass().hashCode(); 44 hashCode = hashCode*31 + getName().hashCode(); 45 return hashCode*31 + getType().hashCode(); 46 } 47 48 @Override equals(@ullable Object o)49 public boolean equals(@Nullable Object o) { 50 if (o instanceof FieldReference) { 51 FieldReference other = (FieldReference)o; 52 return getDefiningClass().equals(other.getDefiningClass()) && 53 getName().equals(other.getName()) && 54 getType().equals(other.getType()); 55 56 } 57 return false; 58 } 59 60 @Override compareTo(@onnull FieldReference o)61 public int compareTo(@Nonnull FieldReference o) { 62 int res = getDefiningClass().compareTo(o.getDefiningClass()); 63 if (res != 0) return res; 64 res = getName().compareTo(o.getName()); 65 if (res != 0) return res; 66 return getType().compareTo(o.getType()); 67 } 68 toString()69 @Override public String toString() { 70 return ReferenceUtil.getFieldDescriptor(this); 71 } 72 } 73