| /********************************************************************** |
| * Copyright (c) 2004, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - Initial API and implementation |
| **********************************************************************/ |
| package org.eclipse.wst.internet.monitor.core.internal.provisional; |
| |
| import java.util.List; |
| |
| import org.eclipse.wst.internet.monitor.core.internal.MonitorManager; |
| /** |
| * Main class for creating new monitors and locating existing ones. The methods on |
| * this class are thread safe. |
| * <p> |
| * This class provides all functionality through static members. It is not intended |
| * to be instantiated or subclassed. |
| * </p> |
| * |
| * @plannedfor 1.0 |
| */ |
| public final class MonitorCore { |
| private static MonitorManager manager; |
| |
| /** |
| * Cannot create MonitorCore - use static methods. |
| */ |
| private MonitorCore() { |
| // can't create |
| } |
| |
| /** |
| * Returns a monitor manager instance. |
| * |
| * @return the monitor manager |
| */ |
| private static MonitorManager getManager() { |
| if (manager == null) |
| manager = MonitorManager.getInstance(); |
| return manager; |
| } |
| |
| /** |
| * Returns a list of all known monitor instances. The list will not contain any |
| * working copies and is persisted between workbench sessions. |
| * <p> |
| * A new array is returned on each call; clients may safely store or modify the result. |
| * </p> |
| * |
| * @return a possibly-empty array of monitor instances |
| */ |
| public static IMonitor[] getMonitors() { |
| List list = getManager().getMonitors(); |
| IMonitor[] m = new IMonitor[list.size()]; |
| list.toArray(m); |
| return m; |
| } |
| |
| /** |
| * Creates a new monitor working copy. After configuring parameters on |
| * the working copy, calling {@link IMonitorWorkingCopy#save()} brings |
| * the monitor into existence. |
| * <p> |
| * Note that the client is responsible for calling {@link IMonitor#delete()} |
| * to delete the monitor once it is no longer needed. |
| * </p> |
| * <p> |
| * When monitors are created, the local and remote port values default to |
| * <code>80</code>, but they do not have a protocol or remote host (values |
| * are <code>null</code>). |
| * </p> |
| * |
| * @return a monitor working copy |
| */ |
| public static IMonitorWorkingCopy createMonitor() { |
| return getManager().createMonitor(); |
| } |
| |
| /** |
| * Adds a monitor listener. |
| * Once registered, a listener starts receiving notification of |
| * changes to the monitors. The listener continues to receive |
| * notifications until it is removed. |
| * Has no effect if an identical listener is already registered. |
| * |
| * @param listener the monitor listener |
| * @see #removeMonitorListener(IMonitorListener) |
| */ |
| public static void addMonitorListener(IMonitorListener listener) { |
| if (listener == null) |
| throw new IllegalArgumentException(); |
| getManager().addMonitorListener(listener); |
| } |
| |
| /** |
| * Removes the given monitor listener. Has no |
| * effect if the listener is not registered. |
| * |
| * @param listener the listener |
| * @see #addMonitorListener(IMonitorListener) |
| */ |
| public static void removeMonitorListener(IMonitorListener listener) { |
| if (listener == null) |
| throw new IllegalArgumentException(); |
| getManager().removeMonitorListener(listener); |
| } |
| } |