Package hermes.browser.tasks

Source Code of hermes.browser.tasks.DiscoverDestinationsTask

/*
* Copyright 2003,2004 Colin Crist
*
* 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 hermes.browser.tasks;

import hermes.Domain;
import hermes.Hermes;
import hermes.browser.HermesBrowser;
import hermes.browser.IconCache;
import hermes.browser.model.BrowserTreeModel;
import hermes.browser.model.tree.HermesTreeNode;
import hermes.config.DestinationConfig;
import hermes.swing.SwingRunner;

import java.util.ArrayList;
import java.util.Iterator;

import javax.jms.JMSException;
import javax.swing.JOptionPane;
import javax.swing.tree.TreePath;

import org.apache.log4j.Logger;

/**
* @author colincrist@yaho.com last changed by: $Author: colincrist $
* @version $Id: DiscoverDestinationsTask,v 1.5 2004/11/02 22:01:40 colincrist
*          Exp $
*/
public class DiscoverDestinationsTask extends TaskSupport {
  private static final Logger log = Logger.getLogger(DiscoverDestinationsTask.class);
  private final Hermes hermes;
  private final HermesTreeNode hermesNode;
  private final BrowserTreeModel treeModel;
  private final String title;

  /**
   * @param content
   * @param title
   * @param listener
   */
  public DiscoverDestinationsTask(BrowserTreeModel treeModel, HermesTreeNode hermesNode) throws JMSException {
    super(IconCache.getIcon("jms.unknown"));

    this.hermesNode = hermesNode;
    this.treeModel = treeModel;
    this.hermes = hermesNode.getHermes();
    this.title = "Discover from " + hermesNode.getHermes().getId();
  }

  @Override
  public String getTitle() {
    return title;
  }

  @Override
  public void invoke() throws Exception {
    try {

      final ArrayList<DestinationConfig> destinations = new ArrayList<DestinationConfig>(hermes.discoverDestinationConfigs());

      for (Iterator iter = destinations.iterator(); iter.hasNext();) {
        DestinationConfig dConfig = (DestinationConfig) iter.next();

        log.info("found name=" + dConfig.getName() + ", domain=" + Domain.getDomain(dConfig.getDomain()) + (dConfig.isDurable() ? " durableName=" + dConfig.getClientID() : ""));
      }

      if (isRunning()) {
        final StringBuffer msg = new StringBuffer();

        switch (destinations.size()) {
        case 0:
          msg.append("No destinations found.");
          break;
        case 1:
          msg.append("One destination found.");
          break;

        default:
          msg.append("Discovered " + Integer.toString(destinations.size())).append(" destinations.");
        }

        if (destinations.size() == 0) {
          SwingRunner.invokeLater(new Runnable() {
            @Override
            public void run() {
              JOptionPane.showMessageDialog(HermesBrowser.getBrowser(), msg.toString(), "Discover.", JOptionPane.OK_OPTION);
            }
          });
        } else {
          msg.append("\nWould you like to replace the current set of destinations for ").append(hermes.getId()).append(".");

          SwingRunner.invokeLater(new Runnable() {
            @Override
            public void run() {
              if (hermesNode.getChildCount() == 0
                  || JOptionPane.showConfirmDialog(HermesBrowser.getBrowser(), msg.toString(), "Discover.", JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION) {
                try {
                  HermesBrowser.getBrowser().replaceDestinationConfigs(hermes, destinations);
                  HermesBrowser.getBrowser().saveConfig();
                  treeModel.nodeStructureChanged(hermesNode);
                  HermesBrowser.getBrowser().getBrowserTree().expandPath(new TreePath(hermesNode.getPath()));

                  Hermes.ui.getDefaultMessageSink().add("Destinations updated for " + hermes.getId());
                } catch (Exception ex) {

                  HermesBrowser.getBrowser().showErrorDialog("Adding destinations to tree", ex);
                }
              } else {
                Hermes.ui.getDefaultMessageSink().add("Update of destinations for " + hermes.getId() + " cancelled.");
              }
            }
          });
        }
      } else {
        Hermes.ui.getDefaultMessageSink().add("Discover on " + hermes.getId() + " cancelled");
      }
    } finally {
      hermes.close();
    }
  }

}
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