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	/*
	* Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code 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 General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	/*
	* This source code is provided to illustrate the usage of a given feature
	* or technique and has been deliberately simplified. Additional steps
	* required for a production-quality application, such as security checks,
	* input validation and proper error handling, might not be present in
	* this sample code.
	*/


	package com.sun.tools.example.debug.gui;

	import java.util.List;
	import java.util.ArrayList;
	import java.util.Map;
	import java.util.HashMap;
	import java.awt.BorderLayout;
	import java.awt.Container;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import javax.swing.*;
	import javax.swing.border.Border;
	import javax.swing.border.TitledBorder;

	import com.sun.jdi.*;
	import com.sun.jdi.connect.*;

	import com.sun.tools.example.debug.bdi.*;

	class LaunchTool {

	private final ExecutionManager runtime;

	private abstract class ArgRep {
	final Connector.Argument arg;
	final JPanel panel;

	ArgRep(Connector.Argument arg) {
	this.arg = arg;
	panel = new JPanel();
	Border etched = BorderFactory.createEtchedBorder();
	Border titled = BorderFactory.createTitledBorder(etched,
	arg.description(),
	TitledBorder.LEFT, TitledBorder.TOP);
	panel.setBorder(titled);
	}

	abstract String getText();

	boolean isValid() {
	return arg.isValid(getText());
	}

	boolean isSpecified() {
	String value = getText();
	return (value != null && value.length() > 0) \|\|
	!arg.mustSpecify();
	}

	void install() {
	arg.setValue(getText());
	}
	}

	private class StringArgRep extends ArgRep {
	final JTextField textField;

	StringArgRep(Connector.Argument arg, JPanel comp) {
	super(arg);
	textField = new JTextField(arg.value(), 50 );
	textField.setBorder(BorderFactory.createLoweredBevelBorder());

	panel.add(new JLabel(arg.label(), SwingConstants.RIGHT));
	panel.add(textField); // , BorderLayout.CENTER);
	comp.add(panel);
	}

	@Override
	String getText() {
	return textField.getText();
	}
	}

	private class BooleanArgRep extends ArgRep {
	final JCheckBox check;

	BooleanArgRep(Connector.BooleanArgument barg, JPanel comp) {
	super(barg);
	check = new JCheckBox(barg.label());
	check.setSelected(barg.booleanValue());
	panel.add(check);
	comp.add(panel);
	}

	@Override
	String getText() {
	return ((Connector.BooleanArgument)arg)
	.stringValueOf(check.getModel().isSelected());
	}
	}


	private LaunchTool(ExecutionManager runtime) {
	this.runtime = runtime;
	}

	private Connector selectConnector() {
	final JDialog dialog = new JDialog();
	Container content = dialog.getContentPane();
	final JPanel radioPanel = new JPanel();
	final ButtonGroup radioGroup = new ButtonGroup();
	VirtualMachineManager manager = Bootstrap.virtualMachineManager();
	List<Connector> all = manager.allConnectors();
	Map<ButtonModel, Connector> modelToConnector = new HashMap<ButtonModel, Connector>(all.size(), 0.5f);

	dialog.setModal(true);
	dialog.setTitle("Select Connector Type");
	radioPanel.setLayout(new BoxLayout(radioPanel, BoxLayout.Y_AXIS));
	for (Connector connector : all) {
	JRadioButton radio = new JRadioButton(connector.description());
	modelToConnector.put(radio.getModel(), connector);
	radioPanel.add(radio);
	radioGroup.add(radio);
	}
	content.add(radioPanel);

	final boolean[] oked = {false};
	JPanel buttonPanel = okCancel( dialog, new ActionListener() {
	@Override
	public void actionPerformed(ActionEvent event) {
	if (radioGroup.getSelection() == null) {
	JOptionPane.showMessageDialog(dialog,
	"Please select a connector type",
	"No Selection",
	JOptionPane.ERROR_MESSAGE);
	} else {
	oked[0] = true;
	dialog.setVisible(false);
	dialog.dispose();
	}
	}
	} );
	content.add(BorderLayout.SOUTH, buttonPanel);
	dialog.pack();
	dialog.setVisible(true);

	return oked[0] ?
	modelToConnector.get(radioGroup.getSelection()) :
	null;
	}

	private void configureAndConnect(final Connector connector) {
	final JDialog dialog = new JDialog();
	final Map<String, Connector.Argument> args = connector.defaultArguments();

	dialog.setModal(true);
	dialog.setTitle("Connector Arguments");
	Container content = dialog.getContentPane();
	JPanel guts = new JPanel();
	Border etched = BorderFactory.createEtchedBorder();
	BorderFactory.createTitledBorder(etched,
	connector.description(),
	TitledBorder.LEFT, TitledBorder.TOP);
	guts.setBorder(etched);
	guts.setLayout(new BoxLayout(guts, BoxLayout.Y_AXIS));

	// guts.add(new JLabel(connector.description()));

	final List<ArgRep> argReps = new ArrayList<ArgRep>(args.size());
	for (Connector.Argument arg : args.values()) {
	ArgRep ar;
	if (arg instanceof Connector.BooleanArgument) {
	ar = new BooleanArgRep((Connector.BooleanArgument)arg, guts);
	} else {
	ar = new StringArgRep(arg, guts);
	}
	argReps.add(ar);
	}
	content.add(guts);

	JPanel buttonPanel = okCancel( dialog, new ActionListener() {
	@Override
	public void actionPerformed(ActionEvent event) {
	for (ArgRep ar : argReps) {
	if (!ar.isSpecified()) {
	JOptionPane.showMessageDialog(dialog,
	ar.arg.label() +
	": Argument must be specified",
	"No argument", JOptionPane.ERROR_MESSAGE);
	return;
	}
	if (!ar.isValid()) {
	JOptionPane.showMessageDialog(dialog,
	ar.arg.label() +
	": Bad argument value: " +
	ar.getText(),
	"Bad argument", JOptionPane.ERROR_MESSAGE);
	return;
	}
	ar.install();
	}
	try {
	if (runtime.explictStart(connector, args)) {
	dialog.setVisible(false);
	dialog.dispose();
	} else {
	JOptionPane.showMessageDialog(dialog,
	"Bad arguments values: See diagnostics window.",
	"Bad arguments", JOptionPane.ERROR_MESSAGE);
	}
	} catch (VMLaunchFailureException exc) {
	JOptionPane.showMessageDialog(dialog,
	"Launch Failure: " + exc,
	"Launch Failed",JOptionPane.ERROR_MESSAGE);
	}
	}
	} );
	content.add(BorderLayout.SOUTH, buttonPanel);
	dialog.pack();
	dialog.setVisible(true);
	}

	private JPanel okCancel(final JDialog dialog, ActionListener okListener) {
	JPanel buttonPanel = new JPanel();
	JButton ok = new JButton("OK");
	JButton cancel = new JButton("Cancel");
	buttonPanel.add(ok);
	buttonPanel.add(cancel);
	ok.addActionListener(okListener);
	cancel.addActionListener( new ActionListener() {
	@Override
	public void actionPerformed(ActionEvent event) {
	dialog.setVisible(false);
	dialog.dispose();
	}
	} );
	return buttonPanel;
	}

	static void queryAndLaunchVM(ExecutionManager runtime)
	throws VMLaunchFailureException {
	LaunchTool lt = new LaunchTool(runtime);
	Connector connector = lt.selectConnector();
	if (connector != null) {
	lt.configureAndConnect(connector);
	}
	}
	}

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