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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.analysis.reflection.util;
     33 
     34 import com.google.common.collect.ImmutableBiMap;
     35 
     36 public class ReflectionUtils {
     37 
     38     private static ImmutableBiMap<String, String> primitiveMap = ImmutableBiMap.<String, String>builder()
     39             .put("boolean", "Z")
     40             .put("int", "I")
     41             .put("long", "J")
     42             .put("double", "D")
     43             .put("void", "V")
     44             .put("float", "F")
     45             .put("char", "C")
     46             .put("short", "S")
     47             .put("byte", "B")
     48             .build();
     49 
     50     public static String javaToDexName(String javaName) {
     51         if (javaName.charAt(0) == '[') {
     52             return javaName.replace('.', '/');
     53         }
     54 
     55         if (primitiveMap.containsKey(javaName)) {
     56             return primitiveMap.get(javaName);
     57         }
     58 
     59         return 'L' + javaName.replace('.', '/') + ';';
     60     }
     61 
     62     public static String dexToJavaName(String dexName) {
     63         if (dexName.charAt(0) == '[') {
     64             return dexName.replace('/', '.');
     65         }
     66 
     67         if (primitiveMap.inverse().containsKey(dexName)) {
     68             return primitiveMap.inverse().get(dexName);
     69         }
     70 
     71         return dexName.replace('/', '.').substring(1, dexName.length()-2);
     72     }
     73 }
     74