1/*
2 * [The "BSD licence"]
3 * Copyright (c) 2011 Ben Gruver
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29package org.jf.dexlib.Code.Analysis;
30
31import org.jf.dexlib.ClassDefItem;
32import org.jf.dexlib.DexFile;
33import org.jf.dexlib.TypeIdItem;
34
35import java.util.HashMap;
36
37/**
38 * Keeps a simple map of classes defined in a dex file, allowing you to look them up by TypeIdItem or name
39 */
40public class DexFileClassMap {
41    private final HashMap<String, ClassDefItem> definedClasses = new HashMap<String, ClassDefItem>();
42
43    public DexFileClassMap(DexFile dexFile) {
44        for (ClassDefItem classDefItem: dexFile.ClassDefsSection.getItems()) {
45            definedClasses.put(classDefItem.getClassType().getTypeDescriptor(), classDefItem);
46        }
47    }
48
49    public ClassDefItem getClassDefByName(String typeName) {
50        return definedClasses.get(typeName);
51    }
52
53    public ClassDefItem getClassDefByType(TypeIdItem typeIdItem) {
54        return definedClasses.get(typeIdItem.getTypeDescriptor());
55    }
56}
57