1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.dexgen.util;
18
19import java.io.File;
20
21/**
22 *  Helper class used primarily for holding path on the device of different
23 *  files arising in the dex class generation process.
24 */
25public class PathHolder {
26
27    public static final String DEX_FILE_EXTENSION = ".dex";
28
29    public static final String JAR_FILE_EXTENSION = ".jar";
30
31    /** {@code non-null;} directory location of the dex-related files */
32    private final String dirLocation;
33
34    /** {@code non-null;} common file name prefix of the created files */
35    private final String fileNamePrefix;
36
37    /**
38     * Creates an instance of {@code PathHolder} initialized with the directory
39     * location for storage of temporary files and common file name prefix for these
40     * files.
41     *
42     * @param dirLocation {@code non-null;} path to directory used for storage of temporary files
43     * @param fileNamePrefix {@code non-null;} common file name prefix across all the temporary
44     * files involved in the dex class generation and loading process
45     */
46    public PathHolder(String dirLocation, String fileNamePrefix) {
47        if (dirLocation == null) {
48            throw new NullPointerException("dirLocation == null");
49        }
50        if (fileNamePrefix == null) {
51            throw new NullPointerException("fileNamePrefix == null");
52        }
53
54        this.dirLocation = dirLocation;
55        this.fileNamePrefix = fileNamePrefix;
56    }
57
58    public String getFileName() {
59        return fileNamePrefix;
60    }
61
62    public String getDexFilePath() {
63        return dirLocation + File.separator + fileNamePrefix + DEX_FILE_EXTENSION;
64    }
65
66    public String getDexFileName() {
67        return fileNamePrefix + DEX_FILE_EXTENSION;
68    }
69
70    public String getJarFilePath() {
71        return dirLocation + File.separator + fileNamePrefix + JAR_FILE_EXTENSION;
72    }
73
74    public String getJarFileName() {
75        return fileNamePrefix + JAR_FILE_EXTENSION;
76    }
77
78    public String getDirLocation() {
79        return dirLocation;
80    }
81}
82