Main.java revision ae38a1e705253b53abf1beff7dc3467d52c58f32 
1/*
2 * Copyright (C) 2011 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.dx.command.grep;
18
19import com.android.dx.dex.DexFormat;
20import com.android.dx.io.DexBuffer;
21import com.android.dx.util.FileUtils;
22import java.io.File;
23import java.io.IOException;
24import java.io.InputStream;
25import java.util.regex.Pattern;
26import java.util.zip.ZipFile;
27
28public final class Main {
29    public static void main(String[] args) throws IOException {
30        String dexFile = args[0];
31        String pattern = args[1];
32
33        DexBuffer dex = new DexBuffer();
34        if (FileUtils.hasArchiveSuffix(dexFile)) {
35            ZipFile zip = new ZipFile(dexFile);
36            InputStream in = zip.getInputStream(zip.getEntry(DexFormat.DEX_IN_JAR_NAME));
37            dex.loadFrom(in);
38            zip.close();
39        } else {
40            dex.loadFrom(new File(dexFile));
41        }
42
43        int count = new Grep(dex, Pattern.compile(pattern), System.out).grep();
44        System.exit((count > 0) ? 0 : 1);
45    }
46}
47