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
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 
32 package org.jf.dexlib2.immutable;
33 
34 import com.google.common.collect.ImmutableSet;
35 import org.jf.dexlib2.base.BaseAnnotationElement;
36 import org.jf.dexlib2.iface.AnnotationElement;
37 import org.jf.dexlib2.iface.value.EncodedValue;
38 import org.jf.dexlib2.immutable.value.ImmutableEncodedValue;
39 import org.jf.dexlib2.immutable.value.ImmutableEncodedValueFactory;
40 import org.jf.util.ImmutableConverter;
41 
42 import javax.annotation.Nonnull;
43 import javax.annotation.Nullable;
44 
45 public class ImmutableAnnotationElement extends BaseAnnotationElement {
46     @Nonnull protected final String name;
47     @Nonnull protected final ImmutableEncodedValue value;
48 
ImmutableAnnotationElement(@onnull String name, @Nonnull EncodedValue value)49     public ImmutableAnnotationElement(@Nonnull String name,
50                                       @Nonnull EncodedValue value) {
51         this.name = name;
52         this.value = ImmutableEncodedValueFactory.of(value);
53     }
54 
ImmutableAnnotationElement(@onnull String name, @Nonnull ImmutableEncodedValue value)55     public ImmutableAnnotationElement(@Nonnull String name,
56                                       @Nonnull ImmutableEncodedValue value) {
57         this.name = name;
58         this.value = value;
59     }
60 
of(AnnotationElement annotationElement)61     public static ImmutableAnnotationElement of(AnnotationElement annotationElement) {
62         if (annotationElement instanceof ImmutableAnnotationElement) {
63             return (ImmutableAnnotationElement)annotationElement;
64         }
65         return new ImmutableAnnotationElement(
66                 annotationElement.getName(),
67                 annotationElement.getValue());
68     }
69 
getName()70     @Nonnull @Override public String getName() { return name; }
getValue()71     @Nonnull @Override public EncodedValue getValue() { return value; }
72 
73     @Nonnull
immutableSetOf( @ullable Iterable<? extends AnnotationElement> list)74     public static ImmutableSet<ImmutableAnnotationElement> immutableSetOf(
75             @Nullable Iterable<? extends AnnotationElement> list) {
76         return CONVERTER.toSet(list);
77     }
78 
79     private static final ImmutableConverter<ImmutableAnnotationElement, AnnotationElement> CONVERTER =
80             new ImmutableConverter<ImmutableAnnotationElement, AnnotationElement>() {
81                 @Override
82                 protected boolean isImmutable(@Nonnull AnnotationElement item) {
83                     return item instanceof ImmutableAnnotationElement;
84                 }
85 
86                 @Nonnull
87                 @Override
88                 protected ImmutableAnnotationElement makeImmutable(@Nonnull AnnotationElement item) {
89                     return ImmutableAnnotationElement.of(item);
90                 }
91             };
92 }
93