ReferenceUtil.java revision 60631f684fe900940670409c46b7752c5713ae51 
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
32package org.jf.dexlib2.util;
33
34import org.jf.dexlib2.iface.reference.BasicMethodParameter;
35import org.jf.dexlib2.iface.reference.FieldReference;
36import org.jf.dexlib2.iface.reference.MethodReference;
37
38import java.io.IOException;
39import java.io.Writer;
40
41public abstract class ReferenceUtil {
42    public static String getMethodDescriptor(MethodReference methodReference) {
43        // TODO: try using a thread local StringBuilder
44        StringBuilder sb = new StringBuilder();
45        sb.append(methodReference.getContainingClass());
46        sb.append("->");
47        sb.append(methodReference.getName());
48        sb.append('(');
49        for (BasicMethodParameter param: methodReference.getParameters()) {
50            sb.append(param.getType());
51        }
52        sb.append(')');
53        sb.append(methodReference.getReturnType());
54        return sb.toString();
55    }
56
57    public static void writeMethodDescriptor(Writer writer, MethodReference methodReference) throws IOException {
58        writer.write(methodReference.getContainingClass());
59        writer.write("->");
60        writer.write(methodReference.getName());
61        writer.write('(');
62        for (BasicMethodParameter param: methodReference.getParameters()) {
63            writer.write(param.getType());
64        }
65        writer.write(')');
66        writer.write(methodReference.getReturnType());
67    }
68
69    public static String getFieldDescriptor(FieldReference fieldReference) {
70        // TODO: try using a thread local StringBuilder
71        StringBuilder sb = new StringBuilder();
72        sb.append(fieldReference.getContainingClass());
73        sb.append("->");
74        sb.append(fieldReference.getName());
75        sb.append(':');
76        sb.append(fieldReference.getType());
77        return sb.toString();
78    }
79
80    public static String getShortFieldDescriptor(FieldReference fieldReference) {
81        // TODO: try using a thread local StringBuilder
82        StringBuilder sb = new StringBuilder();
83        sb.append(fieldReference.getName());
84        sb.append(':');
85        sb.append(fieldReference.getType());
86        return sb.toString();
87    }
88
89    public static void writeFieldDescriptor(Writer writer, FieldReference fieldReference) throws IOException {
90        writer.write(fieldReference.getContainingClass());
91        writer.write("->");
92        writer.write(fieldReference.getName());
93        writer.write(':');
94        writer.write(fieldReference.getType());
95    }
96}
97