1 /* 2 * Copyright 2012, Google LLC 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google LLC nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 package com.android.tools.smali.dexlib2.base.reference; 32 33 import com.android.tools.smali.dexlib2.iface.reference.MethodReference; 34 import com.android.tools.smali.util.CharSequenceUtils; 35 import com.android.tools.smali.util.CollectionUtils; 36 import com.android.tools.smali.dexlib2.formatter.DexFormatter; 37 38 import javax.annotation.Nonnull; 39 import javax.annotation.Nullable; 40 41 public abstract class BaseMethodReference extends BaseReference implements MethodReference { 42 @Override hashCode()43 public int hashCode() { 44 int hashCode = getDefiningClass().hashCode(); 45 hashCode = hashCode*31 + getName().hashCode(); 46 hashCode = hashCode*31 + getReturnType().hashCode(); 47 return hashCode*31 + getParameterTypes().hashCode(); 48 } 49 50 @Override equals(@ullable Object o)51 public boolean equals(@Nullable Object o) { 52 if (o != null && o instanceof MethodReference) { 53 MethodReference other = (MethodReference)o; 54 return getDefiningClass().equals(other.getDefiningClass()) && 55 getName().equals(other.getName()) && 56 getReturnType().equals(other.getReturnType()) && 57 CharSequenceUtils.listEquals(getParameterTypes(), other.getParameterTypes()); 58 } 59 return false; 60 } 61 62 @Override compareTo(@onnull MethodReference o)63 public int compareTo(@Nonnull MethodReference o) { 64 int res = getDefiningClass().compareTo(o.getDefiningClass()); 65 if (res != 0) return res; 66 res = getName().compareTo(o.getName()); 67 if (res != 0) return res; 68 res = getReturnType().compareTo(o.getReturnType()); 69 if (res != 0) return res; 70 return CollectionUtils.compareAsIterable( 71 CollectionUtils.usingToStringOrdering(), getParameterTypes(), o.getParameterTypes()); 72 } 73 toString()74 @Override public String toString() { 75 return DexFormatter.INSTANCE.getMethodDescriptor(this); 76 } 77 } 78