Package net.sourceforge.squirrel_sql.plugins.h2

Source Code of net.sourceforge.squirrel_sql.plugins.h2.H2Plugin

package net.sourceforge.squirrel_sql.plugins.h2;

/*
* Copyright (C) 2007 Rob Manning
* manningr@users.sourceforge.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

import net.sourceforge.squirrel_sql.client.plugin.DefaultSessionPlugin;
import net.sourceforge.squirrel_sql.client.plugin.PluginSessionCallback;
import net.sourceforge.squirrel_sql.client.plugin.PluginSessionCallbackAdaptor;
import net.sourceforge.squirrel_sql.client.session.IObjectTreeAPI;
import net.sourceforge.squirrel_sql.client.session.ISession;
import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.expanders.SchemaExpander;
import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.expanders.TableWithChildNodesExpander;
import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.tabs.DatabaseObjectInfoTab;
import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.tabs.ViewSourceTab;
import net.sourceforge.squirrel_sql.fw.dialects.DialectFactory;
import net.sourceforge.squirrel_sql.fw.gui.GUIUtils;
import net.sourceforge.squirrel_sql.fw.sql.DatabaseObjectType;
import net.sourceforge.squirrel_sql.fw.sql.IQueryTokenizer;
import net.sourceforge.squirrel_sql.fw.util.StringManager;
import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
import net.sourceforge.squirrel_sql.fw.util.log.ILogger;
import net.sourceforge.squirrel_sql.fw.util.log.LoggerController;
import net.sourceforge.squirrel_sql.plugins.h2.exp.H2SequenceInodeExpanderFactory;
import net.sourceforge.squirrel_sql.plugins.h2.exp.H2TableIndexExtractorImpl;
import net.sourceforge.squirrel_sql.plugins.h2.exp.H2TableTriggerExtractorImpl;
import net.sourceforge.squirrel_sql.plugins.h2.tab.IndexDetailsTab;
import net.sourceforge.squirrel_sql.plugins.h2.tab.IndexSourceTab;
import net.sourceforge.squirrel_sql.plugins.h2.tab.SequenceDetailsTab;
import net.sourceforge.squirrel_sql.plugins.h2.tab.TriggerDetailsTab;


/**
* The main controller class for the H2 plugin.
*
* @author manningr
*/
public class H2Plugin extends DefaultSessionPlugin
{

  private static final StringManager s_stringMgr = StringManagerFactory.getStringManager(H2Plugin.class);

  /** Logger for this class. */
  @SuppressWarnings("unused")
  private final static ILogger s_log = LoggerController.createLogger(H2Plugin.class);

  /** API for the Obejct Tree. */
  private IObjectTreeAPI _treeAPI;

  static interface i18n
  {
    // i18n[PostgresPlugin.showIndexSource=Show index source]
    String SHOW_INDEX_SOURCE = s_stringMgr.getString("PostgresPlugin.showIndexSource");

    // i18n[PostgresPlugin.showViewSource=Show view source]
    String SHOW_VIEW_SOURCE = s_stringMgr.getString("PostgresPlugin.showViewSource");

    // i18n[PostgresPlugin.showProcedureSource=Show procedure source]
    String SHOW_PROCEDURE_SOURCE = s_stringMgr.getString("PostgresPlugin.showProcedureSource");
  }

  /**
   * Return the internal name of this plugin.
   *
   * @return the internal name of this plugin.
   */
  public String getInternalName()
  {
    return "h2";
  }

  /**
   * Return the descriptive name of this plugin.
   *
   * @return the descriptive name of this plugin.
   */
  public String getDescriptiveName()
  {
    return "H2 Plugin";
  }

  /**
   * Returns the current version of this plugin.
   *
   * @return the current version of this plugin.
   */
  public String getVersion()
  {
    return "0.02";
  }

  /**
   * Returns the authors name.
   *
   * @return the authors name.
   */
  public String getAuthor()
  {
    return "Rob Manning";
  }

  /**
   * Returns a comma separated list of other contributors.
   *
   * @return Contributors names.
   */
  public String getContributors()
  {
    return "";
  }

  /**
   * @see net.sourceforge.squirrel_sql.client.plugin.IPlugin#getChangeLogFileName()
   */
  public String getChangeLogFileName()
  {
    return "changes.txt";
  }

  /**
   * @see net.sourceforge.squirrel_sql.client.plugin.IPlugin#getHelpFileName()
   */
  public String getHelpFileName()
  {
    return "readme.html";
  }

  /**
   * @see net.sourceforge.squirrel_sql.client.plugin.IPlugin#getLicenceFileName()
   */
  public String getLicenceFileName()
  {
    return "licence.txt";
  }

  public boolean allowsSessionStartedInBackground()
  {
    return true;
  }

  /**
   * Session has been started. Update the tree api in using the event thread
   *
   * @param session
   *           Session that has started.
   * @return <TT>true</TT> if session is Oracle in which case this plugin is interested in it.
   */
  public PluginSessionCallback sessionStarted(final ISession session)
  {
    if (!isPluginSession(session)) { return null; }

    GUIUtils.processOnSwingEventThread(new Runnable()
    {
      public void run()
      {
        updateTreeApi(session);
      }
    });
    return new PluginSessionCallbackAdaptor(this);
  }

  @Override
  protected boolean isPluginSession(ISession session)
  {
    return DialectFactory.isH2(session.getMetaData());
  }

  private void updateTreeApi(ISession session)
  {
    IQueryTokenizer qt = session.getQueryTokenizer();
    String stmtSep = qt.getSQLStatementSeparator();

    _treeAPI = session.getSessionInternalFrame().getObjectTreeAPI();
    // Expanders - trigger and index expanders are added inside the table
    // expander
    _treeAPI.addExpander(DatabaseObjectType.SCHEMA,
      new SchemaExpander(new H2SequenceInodeExpanderFactory(), DatabaseObjectType.SEQUENCE));

    TableWithChildNodesExpander tableExp = new TableWithChildNodesExpander();
    tableExp.setTableIndexExtractor(new H2TableIndexExtractorImpl());
    tableExp.setTableTriggerExtractor(new H2TableTriggerExtractorImpl());
    _treeAPI.addExpander(DatabaseObjectType.TABLE, tableExp);

    // View Tab
    _treeAPI.addDetailTab(DatabaseObjectType.VIEW, new ViewSourceTab(i18n.SHOW_VIEW_SOURCE, stmtSep));

    // Index tab
    _treeAPI.addDetailTab(DatabaseObjectType.INDEX, new DatabaseObjectInfoTab());
    _treeAPI.addDetailTab(DatabaseObjectType.INDEX, new IndexDetailsTab());
    _treeAPI.addDetailTab(DatabaseObjectType.INDEX, new IndexSourceTab(i18n.SHOW_INDEX_SOURCE, stmtSep));

    // Trigger tabs
    _treeAPI.addDetailTab(DatabaseObjectType.TRIGGER_TYPE_DBO, new DatabaseObjectInfoTab());
    _treeAPI.addDetailTab(DatabaseObjectType.TRIGGER, new DatabaseObjectInfoTab());
    _treeAPI.addDetailTab(DatabaseObjectType.TRIGGER, new TriggerDetailsTab());

    // H2 uses Java classes that implement the "Trigger" interface to operate
    // on database tables rows when an action triggers them. Therefore, there
    // is currently no way to access the source for a trigger. Hopefully this
    // will change at some point in the future.
    // _treeAPI.addDetailTab(DatabaseObjectType.TRIGGER, new TriggerSourceTab("The source of the trigger"));

    // Sequence tabs
    _treeAPI.addDetailTab(DatabaseObjectType.SEQUENCE, new DatabaseObjectInfoTab());
    _treeAPI.addDetailTab(DatabaseObjectType.SEQUENCE, new SequenceDetailsTab());

  }

}
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