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      1 /*
      2  * Copyright 2013, 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.writer.pool;
     33 
     34 import org.jf.dexlib2.iface.reference.MethodProtoReference;
     35 import org.jf.dexlib2.iface.reference.MethodReference;
     36 import org.jf.dexlib2.writer.MethodSection;
     37 
     38 import javax.annotation.Nonnull;
     39 
     40 public class MethodPool extends BaseIndexPool<MethodReference>
     41         implements MethodSection<CharSequence, CharSequence, MethodProtoReference, MethodReference, PoolMethod> {
     42 
     43     public MethodPool(@Nonnull DexPool dexPool) {
     44         super(dexPool);
     45     }
     46 
     47     public void intern(@Nonnull MethodReference method) {
     48         Integer prev = internedItems.put(method, 0);
     49         if (prev == null) {
     50             dexPool.typeSection.intern(method.getDefiningClass());
     51             dexPool.protoSection.intern(new PoolMethodProto(method));
     52             dexPool.stringSection.intern(method.getName());
     53         }
     54     }
     55 
     56     @Nonnull @Override public MethodReference getMethodReference(@Nonnull PoolMethod poolMethod) {
     57         return poolMethod;
     58     }
     59 
     60     @Nonnull @Override public CharSequence getDefiningClass(@Nonnull MethodReference methodReference) {
     61         return methodReference.getDefiningClass();
     62     }
     63 
     64     @Nonnull @Override public MethodProtoReference getPrototype(@Nonnull MethodReference methodReference) {
     65         return new PoolMethodProto(methodReference);
     66     }
     67 
     68     @Nonnull @Override public MethodProtoReference getPrototype(@Nonnull PoolMethod poolMethod) {
     69         return new PoolMethodProto(poolMethod);
     70     }
     71 
     72     @Nonnull @Override public CharSequence getName(@Nonnull MethodReference methodReference) {
     73         return methodReference.getName();
     74     }
     75 
     76     @Override public int getMethodIndex(@Nonnull PoolMethod poolMethod) {
     77         return getItemIndex(poolMethod);
     78     }
     79 }
     80