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.value; 32 33 import com.android.tools.smali.dexlib2.ValueType; 34 import com.android.tools.smali.dexlib2.iface.value.EncodedValue; 35 import com.android.tools.smali.dexlib2.iface.value.NullEncodedValue; 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 BaseNullEncodedValue implements NullEncodedValue { 42 @Override hashCode()43 public int hashCode() { 44 return 0; 45 } 46 47 @Override equals(@ullable Object o)48 public boolean equals(@Nullable Object o) { 49 return o instanceof NullEncodedValue; 50 } 51 52 @Override compareTo(@onnull EncodedValue o)53 public int compareTo(@Nonnull EncodedValue o) { 54 return Integer.compare(getValueType(), o.getValueType()); 55 } 56 getValueType()57 public int getValueType() { return ValueType.NULL; } 58 toString()59 @Override public String toString() { 60 return DexFormatter.INSTANCE.getEncodedValue(this); 61 } 62 } 63