content: /*
   * Copyright (C) 2008 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import java.io.BufferedReader;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Parses and analyzes a log, pulling our PRELOAD information. If you have
   * an emulator or device running in the background, this class will use it
   * to measure and record the memory usage of each class.
   * 
   * TODO: Should analyze lines and select substring dynamically (instead of hardcoded 19)
   */
  public class Compile {
  
      public static void main(String[] args) throws IOException {
          if (args.length != 2) {
              System.err.println("Usage: Compile [log file] [output file]");
              System.exit(0);
          }
  
          Root root = new Root();
  
          List<Record> records = new ArrayList<Record>();
  
          BufferedReader in = new BufferedReader(new InputStreamReader(
                  new FileInputStream(args[0])));
  
          String line;
          int lineNumber = 0;
          while ((line = in.readLine()) != null) {
              lineNumber++;
              if (line.startsWith("I/PRELOAD")) {
                  try {
                      String clipped = line.substring(19);
                      records.add(new Record(clipped, lineNumber));
                  } catch (RuntimeException e) {
                      throw new RuntimeException(
                              "Exception while recording line " + lineNumber + ": " + line, e);
                  }
              }
          }
  
          for (Record record : records) {
              root.indexProcess(record);
          }
  
          for (Record record : records) {
              root.indexClassOperation(record);
          }
  
          in.close();
  
          root.toFile(args[1]);
      }
  }
  