ImmutableMethodReference.java revision f81150ad43efac4d590f6b7ea1425896b7ffb011 
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
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29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.dexlib2.immutable.reference;
33
34import com.google.common.collect.ImmutableList;
35import org.jf.dexlib2.base.reference.BaseMethodReference;
36import org.jf.dexlib2.iface.reference.BasicMethodParameter;
37import org.jf.dexlib2.iface.reference.MethodReference;
38import org.jf.util.ImmutableListUtils;
39
40import javax.annotation.Nonnull;
41import javax.annotation.Nullable;
42import java.util.List;
43
44public class ImmutableMethodReference extends BaseMethodReference implements ImmutableReference {
45    @Nonnull public final String containingClass;
46    @Nonnull public final String name;
47    @Nonnull public final ImmutableList<? extends ImmutableBasicMethodParameter> parameters;
48    @Nonnull public final String returnType;
49
50    public ImmutableMethodReference(@Nonnull String containingClass,
51                                    @Nonnull String name,
52                                    @Nullable List<? extends BasicMethodParameter> parameters,
53                                    @Nonnull String returnType) {
54        this.containingClass = containingClass;
55        this.name = name;
56        this.parameters = ImmutableBasicMethodParameter.immutableListOf(parameters);
57        this.returnType = returnType;
58    }
59
60    public ImmutableMethodReference(@Nonnull String containingClass,
61                                    @Nonnull String name,
62                                    @Nullable ImmutableList<? extends ImmutableBasicMethodParameter> parameters,
63                                    @Nonnull String returnType) {
64        this.containingClass = containingClass;
65        this.name = name;
66        this.parameters = ImmutableListUtils.nullToEmptyList(parameters);
67        this.returnType = returnType;
68    }
69
70    @Nonnull
71    public static ImmutableMethodReference of(@Nonnull MethodReference methodReference) {
72        if (methodReference instanceof ImmutableMethodReference) {
73            return (ImmutableMethodReference)methodReference;
74        }
75        return new ImmutableMethodReference(
76                methodReference.getContainingClass(),
77                methodReference.getName(),
78                ImmutableList.copyOf(methodReference.getParameters()),
79                methodReference.getReturnType());
80    }
81
82    @Nonnull @Override public String getContainingClass() { return containingClass; }
83    @Nonnull @Override public String getName() { return name; }
84    @Nonnull @Override public List<? extends BasicMethodParameter> getParameters() { return parameters; }
85    @Nonnull @Override public String getReturnType() { return returnType; }
86}
87