ImmutableMethodParameter.java revision 22c3185bb7c8618437eabe6c597549e0989ec4e6 
1/*
2 * Copyright 2012, Google Inc.
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4 *
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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.
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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,
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25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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30 */
31
32package org.jf.dexlib2.immutable;
33
34import com.google.common.collect.ImmutableList;
35import com.google.common.collect.ImmutableSet;
36import org.jf.dexlib2.base.BaseMethodParameter;
37import org.jf.dexlib2.iface.Annotation;
38import org.jf.dexlib2.iface.MethodParameter;
39import org.jf.util.ImmutableConverter;
40import org.jf.util.ImmutableUtils;
41
42import javax.annotation.Nonnull;
43import javax.annotation.Nullable;
44import java.util.Set;
45
46public class ImmutableMethodParameter extends BaseMethodParameter {
47    @Nonnull protected final String type;
48    @Nonnull protected final ImmutableSet<? extends ImmutableAnnotation> annotations;
49    @Nullable protected final String name;
50
51    public ImmutableMethodParameter(@Nonnull String type,
52                                    @Nullable Set<? extends Annotation> annotations,
53                                    @Nullable String name) {
54        this.type = type;
55        this.annotations = ImmutableAnnotation.immutableSetOf(annotations);
56        this.name = name;
57    }
58
59    public ImmutableMethodParameter(@Nonnull String type,
60                                    @Nullable ImmutableSet<? extends ImmutableAnnotation> annotations,
61                                    @Nullable String name) {
62        this.type = type;
63        this.annotations = ImmutableUtils.nullToEmptySet(annotations);
64        this.name = name;
65    }
66
67    public static ImmutableMethodParameter of(MethodParameter methodParameter) {
68        if (methodParameter instanceof ImmutableMethodParameter) {
69            return (ImmutableMethodParameter)methodParameter;
70        }
71        return new ImmutableMethodParameter(
72                methodParameter.getType(),
73                methodParameter.getAnnotations(),
74                methodParameter.getName());
75    }
76
77    @Nonnull @Override public String getType() { return type; }
78    @Nonnull @Override public Set<? extends Annotation> getAnnotations() { return annotations; }
79    @Nullable @Override public String getName() { return name; }
80
81    //TODO: iterate over the annotations to get the signature
82    @Nullable @Override public String getSignature() { return null; }
83
84    @Nonnull
85    public static ImmutableList<ImmutableMethodParameter> immutableListOf(
86            @Nullable Iterable<? extends MethodParameter> list) {
87        return CONVERTER.toList(list);
88    }
89
90    private static final ImmutableConverter<ImmutableMethodParameter, MethodParameter> CONVERTER =
91            new ImmutableConverter<ImmutableMethodParameter, MethodParameter>() {
92                @Override
93                protected boolean isImmutable(@Nonnull MethodParameter item) {
94                    return item instanceof ImmutableMethodParameter;
95                }
96
97                @Nonnull
98                @Override
99                protected ImmutableMethodParameter makeImmutable(@Nonnull MethodParameter item) {
100                    return ImmutableMethodParameter.of(item);
101                }
102            };
103}
104