MethodUtil.java revision 2d7e1111358e2b8cc951a46dc8b0217a7fa0dead 
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:
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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.
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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,
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29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.dexlib2.util;
33
34import org.jf.dexlib2.AccessFlags;
35import org.jf.dexlib2.iface.ClassDef;
36import org.jf.dexlib2.iface.Method;
37import org.jf.dexlib2.iface.MethodParameter;
38
39public class MethodUtil {
40    public static String buildFullMethodString(ClassDef classDef, Method method) {
41        //TODO: consider using a cached thread-local StringBuilder
42        StringBuilder sb = new StringBuilder();
43        sb.append(classDef.getType());
44        sb.append("->");
45        sb.append(method.getName());
46        sb.append("(");
47        for (MethodParameter methodParameter: method.getParameters()) {
48            sb.append(methodParameter.getType());
49        }
50        sb.append(")");
51        sb.append(method.getReturnType());
52        return sb.toString();
53    }
54
55    private static int directMask = AccessFlags.STATIC.getValue() | AccessFlags.PRIVATE.getValue() |
56            AccessFlags.CONSTRUCTOR.getValue();
57
58    public static boolean isDirect(Method method) {
59        return (method.getAccessFlags() | directMask) != 0;
60    }
61}
62