Esempio n. 1
0
  public void fun(URLConnection connection) {
    try {
      connection.connect();
      // print header fields

      Map<String, List<String>> headers = connection.getHeaderFields();
      for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
        String key = entry.getKey();
        for (String value : entry.getValue()) System.out.println(key + ": " + value);
      }

      // print convenience functions

      System.out.println("----------");
      System.out.println("getContentType: " + connection.getContentType());
      System.out.println("getContentLength: " + connection.getContentLength());
      System.out.println("getContentEncoding: " + connection.getContentEncoding());
      System.out.println("getDate: " + connection.getDate());
      System.out.println("getExpiration: " + connection.getExpiration());
      System.out.println("getLastModifed: " + connection.getLastModified());
      System.out.println("----------");

      Scanner in = new Scanner(connection.getInputStream());

      // print first ten lines of contents

      for (int n = 1; in.hasNextLine() && n <= 10; n++) System.out.println(in.nextLine());
      if (in.hasNextLine()) System.out.println(". . .");
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
Esempio n. 2
0
 /**
  * Get the last modification date of an open URLConnection.
  *
  * <p>This handles the (broken at some point in the Java libraries) case of the file: protocol.
  *
  * @return last modified timestamp "as is"
  */
 public static long getLastModified(URLConnection urlConnection) {
   try {
     long lastModified = urlConnection.getLastModified();
     if (lastModified == 0 && "file".equals(urlConnection.getURL().getProtocol()))
       lastModified =
           new File(
                   URLDecoder.decode(
                       urlConnection.getURL().getFile(), STANDARD_PARAMETER_ENCODING))
               .lastModified();
     return lastModified;
   } catch (UnsupportedEncodingException e) {
     // Should not happen as we are using a required encoding
     throw new OXFException(e);
   }
 }
  /**
   * Decides if the given source is newer than a class.
   *
   * @param source the source we may want to compile
   * @param cls the former class
   * @return true if the source is newer, false else
   * @throws IOException if it is not possible to open an connection for the given source
   * @see #getTimeStamp(Class)
   */
  protected boolean isSourceNewer(URL source, Class cls) throws IOException {
    long lastMod;

    // Special handling for file:// protocol, as getLastModified() often reports
    // incorrect results (-1)
    if (isFile(source)) {
      // Coerce the file URL to a File
      // See ClassNodeResolver.isSourceNewer for another method that replaces '|' with ':'.
      // WTF: Why is this done and where is it documented?
      String path = source.getPath().replace('/', File.separatorChar).replace('|', ':');
      File file = new File(path);
      lastMod = file.lastModified();
    } else {
      URLConnection conn = source.openConnection();
      lastMod = conn.getLastModified();
      conn.getInputStream().close();
    }
    long classTime = getTimeStamp(cls);
    return classTime + config.getMinimumRecompilationInterval() < lastMod;
  }