コード例 #1
0
  /**
   * Returns true if the browser is available, ie mdfind command finds it.
   *
   * @param logger AbstractLogger
   * @return boolean
   */
  public boolean isBrowserAvailable(StandardUnixBrowser browser, AbstractLogger logger) {
    boolean isAvailable = false;
    try {
      Process process =
          Runtime.getRuntime().exec(new String[] {"mdfind", browser.getBrowserApplicationName()});
      InputStream errStream = process.getErrorStream();
      InputStream inStream = process.getInputStream();
      BufferedReader errIn = new BufferedReader(new InputStreamReader(errStream));
      BufferedReader in = new BufferedReader(new InputStreamReader(inStream));

      String temp;
      StringBuffer whichOutput = new StringBuffer();
      while ((temp = in.readLine()) != null) {
        // Searching with spotlight (mdfind) will find more than just the app sometimes
        if (temp.indexOf(browser.getBrowserApplicationName()) > -1) {
          whichOutput.append(temp);
        }
      }

      StringBuffer whichErrOutput = new StringBuffer();
      while ((temp = errIn.readLine()) != null) {
        whichErrOutput.append(temp);
      }

      in.close();
      errIn.close();
      if (whichOutput.length() > 0) {
        logger.debug(whichOutput.toString());
        // very weak test but should be enough since the Open -a applicationname works very well
        isAvailable = true;
      }
      if (whichErrOutput.length() > 0) {
        logger.debug(whichErrOutput.toString());
      }
    } catch (IOException ex) {
      logger.error("io error executing which command", ex);
    }
    return isAvailable;
  }
コード例 #2
0
 /**
  * Uses the which command to find out which browsers are available. The available browsers are put
  * into the unixBrowsers map using displayName => StandardUnixBrowser mappings.
  *
  * @todo what do we do if there are no browsers available?
  * @throws BrowserLaunchingInitializingException
  */
 public void initialize() throws BrowserLaunchingInitializingException {
   try {
     URL configUrl = getClass().getResource(configFileName);
     if (configUrl == null) {
       throw new BrowserLaunchingInitializingException(
           "unable to find config file: " + configFileName);
     }
     StringBuffer potentialBrowserNames = new StringBuffer();
     Properties configProps = new Properties();
     configProps.load(configUrl.openStream());
     String sepChar = configProps.getProperty(PROP_KEY_DELIMITER);
     Iterator keysIter = configProps.keySet().iterator();
     while (keysIter.hasNext()) {
       String key = (String) keysIter.next();
       if (key.startsWith(PROP_KEY_BROWSER_PREFIX)) {
         StandardUnixBrowser browser =
             new StandardUnixBrowser(sepChar, configProps.getProperty(key));
         if (this.isBrowserAvailable(browser, logger)) {
           unixBrowsers.put(browser.getBrowserDisplayName(), browser);
         } else {
           if (potentialBrowserNames.length() > 0) {
             potentialBrowserNames.append("; ");
           }
           potentialBrowserNames.append(browser.getBrowserDisplayName());
         }
       }
     }
     if (unixBrowsers.size() == 0) {
       // no browser installed
       throw new BrowserLaunchingInitializingException(
           "one of the supported browsers must be installed: " + potentialBrowserNames);
     }
     logger.info(unixBrowsers.keySet().toString());
     unixBrowsers = Collections.unmodifiableMap(unixBrowsers);
   } catch (IOException ioex) {
     throw new BrowserLaunchingInitializingException(ioex);
   }
 }