1/*
2 * Copyright 2013, 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.writer.builder;
33
34import com.google.common.collect.Ordering;
35import org.jf.dexlib2.writer.DexWriter;
36import org.jf.util.CharSequenceUtils;
37import org.jf.util.CollectionUtils;
38
39import javax.annotation.Nonnull;
40import javax.annotation.Nullable;
41import java.util.List;
42
43public class BuilderProtoReference implements BuilderProtoPool.ProtoKey, Comparable<BuilderProtoReference> {
44    @Nonnull final BuilderStringReference shorty;
45    @Nonnull final BuilderTypeList parameterTypes;
46    @Nonnull final BuilderTypeReference returnType;
47    int index = DexWriter.NO_INDEX;
48
49    public BuilderProtoReference(@Nonnull BuilderStringReference shorty, @Nonnull BuilderTypeList parameterTypes,
50                                 @Nonnull BuilderTypeReference returnType) {
51        this.shorty = shorty;
52        this.parameterTypes = parameterTypes;
53        this.returnType = returnType;
54    }
55
56    @Nonnull @Override public List<? extends CharSequence> getParameterTypes() {
57        return parameterTypes;
58    }
59
60    @Nonnull @Override public String getReturnType() {
61        return returnType.getType();
62    }
63
64    @Override
65    public int hashCode() {
66        int hashCode = getReturnType().hashCode();
67        return hashCode*31 + getParameterTypes().hashCode();
68    }
69
70    @Override
71    public boolean equals(@Nullable Object o) {
72        if (o != null && o instanceof BuilderProtoReference) {
73            BuilderProtoReference other = (BuilderProtoReference)o;
74            return returnType.equals(other.returnType) &&
75                   CharSequenceUtils.listEquals(parameterTypes, other.parameterTypes);
76        }
77        return false;
78    }
79
80    @Override
81    public int compareTo(@Nonnull BuilderProtoReference o) {
82        int res = returnType.compareTo(o.returnType);
83        if (res != 0) return res;
84        return CollectionUtils.compareAsIterable(Ordering.usingToString(), parameterTypes, o.parameterTypes);
85    }
86}
87