development/org.eclipse.wst.jsdt.debug.opera/src/org/eclipse/wst/jsdt/debug/opera/internal/launching/OperaListeningConnector.java

/*******************************************************************************
 * Copyright (c) 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.jsdt.debug.opera.internal.launching;

import java.beans.ExceptionListener;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import org.eclipse.wst.jsdt.debug.core.jsdi.VirtualMachine;
import org.eclipse.wst.jsdt.debug.core.jsdi.connect.ListeningConnector;
import org.eclipse.wst.jsdt.debug.opera.internal.jsdi.VirtualMachineImpl;

import com.opera.core.DefaultListener;
import com.opera.core.ScopeSDK;
import com.opera.core.scope.ScopeClient;

/**
 * Default listening connector
 */
public class OperaListeningConnector implements ListeningConnector {

	/**
	 * Constructor
	 */
	public OperaListeningConnector() {
	}

	/* (non-Javadoc)
	 * @see org.eclipse.wst.jsdt.debug.core.jsdi.connect.Connector#defaultArguments()
	 */
	public Map defaultArguments() {
		HashMap args = new HashMap();
		args.put(HostArgument.HOST, new HostArgument(null));
		args.put(PortArgument.PORT, new PortArgument(7001));
		return args;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.wst.jsdt.debug.core.jsdi.connect.Connector#description()
	 */
	public String description() {
		return Messages.connector_desc;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.wst.jsdt.debug.core.jsdi.connect.Connector#name()
	 */
	public String name() {
		return Messages.connector_name;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.wst.jsdt.debug.core.jsdi.connect.Connector#id()
	 */
	public String id() {
		return Messages.connector_id;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.wst.jsdt.debug.core.jsdi.connect.ListeningConnector#accept(java.util.Map)
	 */
	public VirtualMachine accept(Map arguments) throws IOException {
		DefaultListener listener = new DefaultListener();
		ExceptionListener el = new ExceptionListener() {
			public void exceptionThrown(Exception e) {
				e.printStackTrace();
			}
		};
		String host = (String) arguments.get(HostArgument.HOST);
		String port = (String) arguments.get(PortArgument.PORT);
		if(host == null || port == null) {
			throw new IOException("The host or port arguments cannot be null"); //$NON-NLS-1$
		}
		int portnum = -1;
		try {
			portnum = Integer.parseInt(port);
		}
		catch(NumberFormatException nfe) {
			throw new IOException("The given port was not an integer"); //$NON-NLS-1$
		}
		ScopeSDK scope = new ScopeSDK(listener, el, host, portnum, -1, null);
		try {
			scope.start();
			ScopeClient client = listener.waitForClient(50000, TimeUnit.MILLISECONDS);
			if(client != null) {
				VirtualMachineImpl vm = new VirtualMachineImpl(client);
				return vm;
			}
			throw new IOException("Could not start the ScopeSDK builder"); //$NON-NLS-1$
		}
		catch(IOException ioe) {
			scope.stop();
			throw ioe;
		}
	}
}