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      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.dexbacked.reference;
     33 
     34 import org.jf.dexlib2.base.reference.BaseTypeReference;
     35 import org.jf.dexlib2.dexbacked.DexBackedDexFile;
     36 import org.jf.dexlib2.dexbacked.raw.TypeIdItem;
     37 
     38 import javax.annotation.Nonnull;
     39 
     40 public class DexBackedTypeReference extends BaseTypeReference {
     41     @Nonnull public final DexBackedDexFile dexFile;
     42     public final int typeIndex;
     43 
     44     public DexBackedTypeReference(@Nonnull DexBackedDexFile dexFile,
     45                                   int typeIndex) {
     46         this.dexFile = dexFile;
     47         this.typeIndex = typeIndex;
     48     }
     49 
     50     @Nonnull public String getType() {
     51         return dexFile.getType(typeIndex);
     52     }
     53 
     54 
     55     /**
     56      * Calculate and return the private size of a type reference.
     57      *
     58      * Calculated as: descriptor_idx
     59      *
     60      * @return size in bytes
     61      */
     62     public int getSize() {
     63         return TypeIdItem.ITEM_SIZE; //uint for descriptor_idx
     64     }
     65 }
     66