Java tutorial
/* * Copyright (C) 2006 SQL Explorer Development Team * http://sourceforge.net/projects/eclipsesql * * This program 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 */ package com.safi.workshop.sqlexplorer.connections.actions; import java.util.Set; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.MessageDialogWithToggle; import org.eclipse.swt.widgets.Display; import org.eclipse.ui.IViewActionDelegate; import com.safi.server.plugin.SafiServerPlugin; import com.safi.workshop.SafiNavigator; import com.safi.workshop.part.AsteriskDiagramEditorPlugin; import com.safi.workshop.sqlexplorer.IConstants; import com.safi.workshop.sqlexplorer.Messages; import com.safi.workshop.sqlexplorer.dbproduct.Alias; import com.safi.workshop.sqlexplorer.dbproduct.SQLConnection; import com.safi.workshop.sqlexplorer.dbproduct.Session; import com.safi.workshop.sqlexplorer.dbproduct.User; import com.safi.workshop.sqlexplorer.plugin.SQLExplorerPlugin; import com.safi.workshop.sqlexplorer.util.ImageUtil; /** * @author Davy Vanherbergen * */ public class CloseAllConnectionsAction extends AbstractConnectionTreeAction implements IViewActionDelegate { public CloseAllConnectionsAction() { super("ConnectionsView.Actions.CloseAllConnections", "ConnectionsView.Actions.CloseAllConnectionsToolTip", "Images.CloseAllConnsIcon"); setDisabledImageDescriptor(ImageUtil.getDescriptor("Images.DisabledCloseAllConnsIcon")); } /* * (non-Javadoc) * * @see org.eclipse.jface.action.IAction#run() */ @Override public void run() { if (!SafiServerPlugin.getDefault().isConnected()) { MessageDialog.openError(Display.getCurrent().getActiveShell(), "Not Connected", "You must be connected to a SafiServer instance to access this feature"); return; } boolean confirm = AsteriskDiagramEditorPlugin.getDefault().getPluginPreferences() .getBoolean(IConstants.CONFIRM_BOOL_CLOSE_ALL_CONNECTIONS); if (confirm) { MessageDialogWithToggle dialog = MessageDialogWithToggle.openYesNoQuestion( getView().getSite().getShell(), Messages.getString("ConnectionsView.Actions.CloseAll.Confirm.Title"), Messages.getString("ConnectionsView.Actions.CloseAll.Confirm.Message"), Messages.getString("ConnectionsView.Actions.CloseAll.Confirm.Toggle"), false, null, null); if (dialog.getToggleState() && dialog.getReturnCode() == IDialogConstants.YES_ID) AsteriskDiagramEditorPlugin.getDefault().getPluginPreferences() .setValue(IConstants.CONFIRM_BOOL_CLOSE_ALL_CONNECTIONS, false); if (dialog.getReturnCode() != IDialogConstants.YES_ID) return; } Set<SQLConnection> connections = getView().getSelectedConnections(true); for (SQLConnection connection : connections) { synchronized (connection) { Session session = connection.getSession(); if (session != null) { synchronized (session) { if (!session.isConnectionInUse()) session.disposeConnection(); } } else connection.getUser().releaseFromPool(connection); } } setEnabled(false); getView().refresh(); } /** * Action is available when there are open sessions */ @Override public boolean isAvailable() { SafiNavigator view = getView(); if (view == null) return false; Set<SQLConnection> connections = view.getSelectedConnections(true); if (connections.isEmpty()) { for (Alias alias : SQLExplorerPlugin.getDefault().getAliasManager().getAliases()) for (User user : alias.getUsers()) for (SQLConnection connection : user.getConnections()) { Session session = connection.getSession(); if (session == null || !session.isConnectionInUse()) return true; } } else for (SQLConnection connection : connections) { Session session = connection.getSession(); if (session == null || !session.isConnectionInUse()) return true; } return false; } }