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 com.google.common.collect.Ordering; 35 import org.jf.dexlib2.iface.reference.MethodReference; 36 import org.jf.dexlib2.util.ReferenceUtil; 37 import org.jf.util.CharSequenceUtils; 38 import org.jf.util.CollectionUtils; 39 40 import javax.annotation.Nonnull; 41 import javax.annotation.Nullable; 42 43 public abstract class BaseMethodReference implements MethodReference { 44 @Override hashCode()45 public int hashCode() { 46 int hashCode = getDefiningClass().hashCode(); 47 hashCode = hashCode*31 + getName().hashCode(); 48 hashCode = hashCode*31 + getReturnType().hashCode(); 49 return hashCode*31 + getParameterTypes().hashCode(); 50 } 51 52 @Override equals(@ullable Object o)53 public boolean equals(@Nullable Object o) { 54 if (o != null && o instanceof MethodReference) { 55 MethodReference other = (MethodReference)o; 56 return getDefiningClass().equals(other.getDefiningClass()) && 57 getName().equals(other.getName()) && 58 getReturnType().equals(other.getReturnType()) && 59 CharSequenceUtils.listEquals(getParameterTypes(), other.getParameterTypes()); 60 } 61 return false; 62 } 63 64 @Override compareTo(@onnull MethodReference o)65 public int compareTo(@Nonnull MethodReference o) { 66 int res = getDefiningClass().compareTo(o.getDefiningClass()); 67 if (res != 0) return res; 68 res = getName().compareTo(o.getName()); 69 if (res != 0) return res; 70 res = getReturnType().compareTo(o.getReturnType()); 71 if (res != 0) return res; 72 return CollectionUtils.compareAsIterable(Ordering.usingToString(), getParameterTypes(), o.getParameterTypes()); 73 } 74 toString()75 @Override public String toString() { 76 return ReferenceUtil.getMethodDescriptor(this); 77 } 78 } 79