Home | History | Annotate | Download | only in immutable 
      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 
     49     public ImmutableAnnotationElement(@Nonnull String name,
     50                                       @Nonnull EncodedValue value) {
     51         this.name = name;
     52         this.value = ImmutableEncodedValueFactory.of(value);
     53     }
     54 
     55     public ImmutableAnnotationElement(@Nonnull String name,
     56                                       @Nonnull ImmutableEncodedValue value) {
     57         this.name = name;
     58         this.value = value;
     59     }
     60 
     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 
     70     @Nonnull @Override public String getName() { return name; }
     71     @Nonnull @Override public EncodedValue getValue() { return value; }
     72 
     73     @Nonnull
     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