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      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 package com.android.cts.javascanner;
     17 
     18 import java.io.File;
     19 import java.util.Arrays;
     20 
     21 /**
     22  * Class that searches a source directory for native gTests and outputs a
     23  * list of test classes and methods.
     24  */
     25 public class CtsJavaScanner {
     26 
     27     private static void usage(String[] args) {
     28         System.err.println("Arguments: " + Arrays.asList(args));
     29         System.err.println("Usage: cts-java-scanner -s SOURCE_DIR -d DOCLET_PATH");
     30         System.exit(1);
     31     }
     32 
     33     public static void main(String[] args) throws Exception {
     34         File sourceDir = null;
     35         File docletPath = null;
     36 
     37         for (int i = 0; i < args.length; i++) {
     38             if ("-s".equals(args[i])) {
     39                 sourceDir = new File(getArg(args, ++i, "Missing value for source directory"));
     40             } else if ("-d".equals(args[i])) {
     41                 docletPath = new File(getArg(args, ++i, "Missing value for docletPath"));
     42             } else {
     43                 System.err.println("Unsupported flag: " + args[i]);
     44                 usage(args);
     45             }
     46         }
     47 
     48         if (sourceDir == null) {
     49             System.err.println("Source directory is required");
     50             usage(args);
     51         }
     52 
     53         if (docletPath == null) {
     54             System.err.println("Doclet path is required");
     55             usage(args);
     56         }
     57 
     58         DocletRunner runner = new DocletRunner(sourceDir, docletPath);
     59         System.exit(runner.runJavaDoc());
     60     }
     61 
     62     private static String getArg(String[] args, int index, String message) {
     63         if (index < args.length) {
     64             return args[index];
     65         } else {
     66             System.err.println(message);
     67             usage(args);
     68             return null;
     69         }
     70     }
     71 }
     72