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.reference;
33 
34 import com.google.common.collect.ImmutableList;
35 import org.jf.dexlib2.base.reference.BaseTypeReference;
36 import org.jf.dexlib2.iface.reference.TypeReference;
37 import org.jf.util.ImmutableConverter;
38 
39 import javax.annotation.Nonnull;
40 import javax.annotation.Nullable;
41 import java.util.List;
42 
43 public class ImmutableTypeReference extends BaseTypeReference implements ImmutableReference {
44     @Nonnull protected final String type;
45 
ImmutableTypeReference(String type)46     public ImmutableTypeReference(String type) {
47         this.type = type;
48     }
49 
50     @Nonnull
of(@onnull TypeReference typeReference)51     public static ImmutableTypeReference of(@Nonnull TypeReference typeReference) {
52         if (typeReference instanceof ImmutableTypeReference) {
53             return (ImmutableTypeReference)typeReference;
54         }
55         return new ImmutableTypeReference(typeReference.getType());
56     }
57 
getType()58     @Nonnull @Override public String getType() { return type; }
59 
60     @Nonnull
immutableListOf(@ullable List<? extends TypeReference> list)61     public static ImmutableList<ImmutableTypeReference> immutableListOf(@Nullable List<? extends TypeReference> list) {
62         return CONVERTER.toList(list);
63     }
64 
65     private static final ImmutableConverter<ImmutableTypeReference, TypeReference> CONVERTER =
66             new ImmutableConverter<ImmutableTypeReference, TypeReference>() {
67                 @Override
68                 protected boolean isImmutable(@Nonnull TypeReference item) {
69                     return item instanceof ImmutableTypeReference;
70                 }
71 
72                 @Nonnull
73                 @Override
74                 protected ImmutableTypeReference makeImmutable(@Nonnull TypeReference item) {
75                     return ImmutableTypeReference.of(item);
76                 }
77             };
78 }
79