content: /*
   * Copyright (c) 2009-2013 Panxiaobo
   * 
   * 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.
   */
  package pxb.android.axml;
  
  import java.io.BufferedReader;
  import java.io.ByteArrayOutputStream;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.OutputStream;
  import java.util.HashMap;
  import java.util.Map;
  
  public class Util {
      public static byte[] readFile(File in) throws IOException {
          InputStream is = new FileInputStream(in);
          byte[] xml = new byte[is.available()];
          is.read(xml);
          is.close();
          return xml;
      }
  
      public static byte[] readIs(InputStream is) throws IOException {
          ByteArrayOutputStream os = new ByteArrayOutputStream();
          copy(is, os);
          return os.toByteArray();
      }
  
      public static void writeFile(byte[] data, File out) throws IOException {
          FileOutputStream fos = new FileOutputStream(out);
          fos.write(data);
          fos.close();
      }
  
      public static Map<String, String> readProguardConfig(File config) throws IOException {
          Map<String, String> clzMap = new HashMap<String, String>();
          BufferedReader r = new BufferedReader(new InputStreamReader(new FileInputStream(config), "utf8"));
          try {
              for (String ln = r.readLine(); ln != null; ln = r.readLine()) {
                  if (ln.startsWith("#") || ln.startsWith(" ")) {
                      continue;
                  }
                  // format a.pt.Main -> a.a.a:
                  int i = ln.indexOf("->");
                  if (i > 0) {
                      clzMap.put(ln.substring(0, i).trim(), ln.substring(i + 2, ln.length() - 1).trim());
                  }
              }
          } finally {
              r.close();
          }
          return clzMap;
      }
  
      public static void copy(InputStream is, OutputStream os) throws IOException {
          byte[] xml = new byte[10 * 1024];
          for (int c = is.read(xml); c > 0; c = is.read(xml)) {
              os.write(xml, 0, c);
          }
      }
  
  }
  