TGCommunityWeb.java

package org.herac.tuxguitar.community.utils;

import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;

import org.apache.log4j.Logger;
import org.herac.tuxguitar.community.TGCommunitySingleton;
import org.herac.tuxguitar.gui.system.config.TGConfigManager;

public class TGCommunityWeb {

  public static String HOME_URL = TGCommunitySingleton.getInstance()
      .getConfig().getStringConfigValue("community.url");

  public static void open(String suffix) {
    try {
      open(new URL(HOME_URL + "/" + suffix));
    } catch (MalformedURLException e) {
      LOG.error(e);
    }
  }

  /** The Logger for this class. */
  public static final transient Logger LOG = Logger
      .getLogger(TGCommunityWeb.class);

  public static boolean open(URL url) {
    if (openDesktopBrowser(url)) {
      return true;
    }
    if (openCommandLineBrowser(url)) {
      return true;
    }
    return false;
  }

  private static boolean openCommandLineBrowser(URL url) {
    TGConfigManager config = TGCommunitySingleton.getInstance().getConfig();

    String[] browserCmds = config.getStringConfigValue("community.browser", "")
        .split(";");

    for (final String browserCmd : browserCmds) {
      try {

        if (browserCmd != null && browserCmd.length() > 0) {
          String pattern = ("%s");
          int indexOfPattern = browserCmd.indexOf(pattern);
          if (indexOfPattern >= 0) {
            String commandLine = new String();
            commandLine += browserCmd.substring(0, indexOfPattern);
            commandLine += url.toExternalForm();
            if (browserCmd.length() > (indexOfPattern + pattern.length())) {
              commandLine += (browserCmd.substring((indexOfPattern + pattern
                  .length()), browserCmd.length()));
            }
            Runtime.getRuntime().exec(commandLine);
            return true;
          }
        }
      } catch (Throwable throwable) {
        // nothing to do.
      }
    }
    return false;
  }

  private static boolean openDesktopBrowser(URL url) {
    try {
      Class desktopClass = Class.forName("java.awt.Desktop");
      if (desktopClass != null) {
        Method desktop_getDesktop = desktopClass.getDeclaredMethod(
            "getDesktop", new Class[] {});
        Method desktop_browse = desktopClass.getDeclaredMethod("browse",
            new Class[] { java.net.URI.class });
        if (desktop_getDesktop != null && desktop_browse != null) {
          Object desktopObject = desktop_getDesktop.invoke(null,
              new Object[] {});
          if (desktopObject != null) {
            desktop_browse.invoke(desktopObject,
                new Object[] { new java.net.URI(url.toExternalForm()) });
          }
        }
      }
      return true;
    } catch (Throwable throwable) {
      LOG.error(throwable);
    }
    return false;
  }

}