| /******************************************************************************* |
| * Copyright (c) 2003, 2011 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.server.core.internal; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| |
| import org.eclipse.wst.server.core.IServer; |
| import org.eclipse.wst.server.core.ServerPort; |
| /** |
| * |
| */ |
| public class ServerMonitor implements IServerMonitor { |
| private IConfigurationElement element; |
| private ServerMonitorDelegate delegate; |
| |
| /** |
| * Monitor constructor comment. |
| * |
| * @param element a configuration element |
| */ |
| public ServerMonitor(IConfigurationElement element) { |
| super(); |
| this.element = element; |
| } |
| |
| /** |
| * Returns the id of this default server. |
| * |
| * @return java.lang.String |
| */ |
| public String getId() { |
| return element.getAttribute("id"); |
| } |
| |
| /* |
| * @see IMonitor#getDescription() |
| */ |
| public String getDescription() { |
| return element.getAttribute("description"); |
| } |
| |
| /* |
| * @see IMonitor#getLabel() |
| */ |
| public String getName() { |
| String label = element.getAttribute("name"); |
| if (label == null) |
| return "n/a"; |
| return label; |
| } |
| |
| /* |
| * @see IMonitor#getDelegate() |
| */ |
| public ServerMonitorDelegate getDelegate() { |
| if (delegate == null) { |
| try { |
| delegate = (ServerMonitorDelegate) element.createExecutableExtension("class"); |
| } catch (Throwable t) { |
| if (Trace.SEVERE) { |
| Trace.trace(Trace.STRING_SEVERE, |
| "Could not create delegate" + toString(), t); |
| } |
| } |
| } |
| return delegate; |
| } |
| |
| /** |
| * Start monitoring the given port, and return the port number to |
| * tunnel requests through. |
| * |
| * @param server a server |
| * @param port a port |
| * @param monitorPort the port used for monitoring |
| * @return the port used for monitoring |
| * @throws CoreException if anything goes wrong |
| */ |
| public int startMonitoring(IServer server, ServerPort port, int monitorPort) throws CoreException { |
| try { |
| return getDelegate().startMonitoring(server, port, monitorPort); |
| } catch (CoreException ce) { |
| throw ce; |
| } catch (Exception e) { |
| if (Trace.SEVERE) { |
| Trace.trace(Trace.STRING_SEVERE, "Error calling delegate " |
| + toString(), e); |
| } |
| return -1; |
| } |
| } |
| |
| /** |
| * Stop monitoring the given port. |
| * |
| * @param server a server |
| * @param port a port |
| */ |
| public void stopMonitoring(IServer server, ServerPort port) { |
| try { |
| getDelegate().stopMonitoring(server, port); |
| } catch (Exception e) { |
| if (Trace.SEVERE) { |
| Trace.trace(Trace.STRING_SEVERE, "Error calling delegate " |
| + toString(), e); |
| } |
| } |
| } |
| |
| /** |
| * Return a string representation of this object. |
| * |
| * @return java.lang.String |
| */ |
| public String toString() { |
| return "Monitor[" + getId() + "]"; |
| } |
| } |