MyProxyOptions.java from GridBlocks at Krugle

Show MyProxyOptions.java syntax highlighted

/**
 * Copyright (c) 2003 
 * Helsinki Institute of Physics
 * see LICENSE file for details
 *
 * MyProxyOptions.java
 */

package fi.hip.gb.client.ui.myproxy;

import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;

import javax.swing.BorderFactory;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

import org.globus.tools.ui.util.JJPanel;

import fi.hip.gb.client.ui.Utils;
import fi.hip.gb.core.Config;
import fi.hip.gb.core.plugin.ConfigPlugin;

/**
 * Myproxy properties dialog.
 *
 * @author Juho Karppinen
 * @version $Id: MyProxyOptions.java 552 2005-09-26 16:53:58Z jkarppin $
 */
public class MyProxyOptions extends JJPanel implements ConfigPlugin {
	private JTextField tfLocalLifetime = new JTextField(5);
	private JTextField tfRemoteLifetime = new JTextField(5);
	private JTextField tfMyproxyServer = new JTextField(30);
	private JTextField tfMyproxyDn = new JTextField(30);
	private JTextField tfMyproxyPort = new JTextField(6);
	private int localScale = 60;
	private int remoteScale = 60;
    
	/**
	 * Initialize options panel for chaning and viewing myproxy
	 * settings.
	 */
	public MyProxyOptions() {
	    load();

		// add basic editing features
		Utils.addPopupMenu(this.tfMyproxyServer);
		Utils.addPopupMenu(this.tfMyproxyDn);
		Utils.addPopupMenu(this.tfMyproxyPort);
		Utils.addPopupMenu(this.tfLocalLifetime);
		Utils.addPopupMenu(this.tfRemoteLifetime);

		this.setBorder(BorderFactory.createEtchedBorder());

		this.setAnchor(GridBagConstraints.EAST);

		this.add(new JLabel("Myproxy Server: "), 0, 0, 1, 1);
		this.add(new JLabel("Myproxy Server DN:"), 0, 1, 1, 1);
		this.add(new JLabel("Myproxy Port:"), 0, 2, 1, 1);
		this.add(new JLabel("Local Proxy Lifetime: "), 0, 3, 1, 1);
		this.add(new JLabel("Proxy Lifetime on Server: "), 0, 4, 1, 1);

		this.setAnchor(GridBagConstraints.WEST);

		this.add(this.tfMyproxyServer, 1, 0, 1, 1);
		this.add(this.tfMyproxyDn, 1, 1, 1, 1);
		this.add(this.tfMyproxyPort, 1, 2, 1, 1);
				
		String[] lifetimeScales = {	"minutes", "hours", "days" };

		JPanel localLifetimePanel =
			new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
		final JComboBox cbLocalLifetime = new JComboBox(lifetimeScales);
		cbLocalLifetime.setSelectedIndex(1);
		cbLocalLifetime.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
			    MyProxyOptions.this.localScale =
					changeScale((String)cbLocalLifetime.getSelectedItem(), 
					        MyProxyOptions.this.localScale, 
					        MyProxyOptions.this.tfLocalLifetime);
			}
		});
		localLifetimePanel.add(this.tfLocalLifetime);
		localLifetimePanel.add(cbLocalLifetime);
		this.add(localLifetimePanel, 1, 3, 1, 1);

		JPanel portalLifetimePanel =
			new JPanel(new FlowLayout(FlowLayout.LEFT, 0, 0));
		final JComboBox cbRemoteLifetime = new JComboBox(lifetimeScales);
		cbRemoteLifetime.setSelectedIndex(1);
		cbRemoteLifetime.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent ae) {
			    MyProxyOptions.this.remoteScale =
					changeScale((String)cbRemoteLifetime.getSelectedItem(), 
					        MyProxyOptions.this.remoteScale,
					        MyProxyOptions.this.tfRemoteLifetime);
			}
		});
		portalLifetimePanel.add(this.tfRemoteLifetime);
		portalLifetimePanel.add(cbRemoteLifetime);

		this.add(portalLifetimePanel, 1, 4, 1, 1);
		
		this.tfMyproxyServer.setToolTipText("Myproxy server address");
		this.tfMyproxyDn.setToolTipText("Normally needed only if myproxy server "
				+ "doesn't have valid host certificates");
		this.tfMyproxyPort.setToolTipText("Default port is 7512");
		this.tfLocalLifetime.setToolTipText("Lifetime of downloaded proxy on local computer");
		this.tfRemoteLifetime.setToolTipText("Lifetime of uploaded proxy on myproxy server");
	}	
	
	/**
	 * Change scale of proxy lifetime
	 * @param newScaleName name of new scale, minutes, hours or days
	 * @param oldScale old scaling to minutes
	 * @param tf field containing the value
	 * @return new scaling to minutes
	 */
	private int changeScale(String newScaleName, int oldScale, JTextField tf) {
		int newScale = 1;
		if(newScaleName.equals("minutes"))
			newScale = 1;
		else if(newScaleName.equals("hours"))
			newScale = 60;
		else if(newScaleName.equals("days"))
			newScale = 60*24;
		
		float oldValue = Float.parseFloat(tf.getText());
		tf.setText(Float.toString(oldValue * oldScale / newScale));
		return newScale;
	}

    /*
     * @see fi.hip.gb.core.plugin.ConfigPlugin#init()
     */
    public JComponent init() {
        return this;
    }

    /*
     * @see fi.hip.gb.core.plugin.ConfigPlugin#load()
     */
    public void load() {
        Config config = Config.getInstance();
		this.tfMyproxyServer.setText("" + config.getMyProxyServer());
		this.tfMyproxyDn.setText("" + config.getMyProxyDn());
		this.tfMyproxyPort.setText("" + config.getMyProxyPort());
		this.tfLocalLifetime.setText("" + config.getMyProxyLocalLifetime() / this.localScale);
		this.tfRemoteLifetime.setText("" + config.getMyProxyRemoteLifetime() / this.remoteScale);
    }
    
	/*
	 * @see fi.hip.gb.core.plugin.ConfigPlugin#save()
	 */
	public void save() throws IOException {
        Config config = Config.getInstance();
		config.setMyProxyServer(this.tfMyproxyServer.getText());
		config.setMyProxyDn(this.tfMyproxyDn.getText());
		config.setMyProxyPort(Integer.parseInt(this.tfMyproxyPort.getText()));
		config.setMyProxyLocalLifetime((int)(Float.parseFloat(this.tfLocalLifetime.getText()) * this.localScale));
		config.setMyProxyRemoteLifetime((int)(Float.parseFloat(this.tfRemoteLifetime.getText()) * this.remoteScale));
	}
	
	/*
	 * @see fi.hip.gb.core.plugin.ConfigPlugin#validate()
	 */
	public void validateSettings() throws IOException {
		String errorMessage = null;
		if (this.tfMyproxyServer.getText().trim().equals(""))
			errorMessage = "Please enter the hostname of the myproxy server";
		else if (this.tfMyproxyPort.getText().trim().equals(""))
			errorMessage = "Please enter the port number of the myproxy server";
		else if (this.tfLocalLifetime.getText().trim().equals(""))
			errorMessage = "Please enter the lifetime of the local proxy";
		else if (this.tfRemoteLifetime.getText().trim().equals(""))
			errorMessage = "Please enter the maximum allowed lifetime of the proxy on the myproxy server";
		
		if(errorMessage != null) {
		    throw new IOException("Error while validating MyProxy settings." 
		            + errorMessage);
		}
	}
	
    /*
     * @see fi.hip.gb.core.plugin.ConfigPlugin#stop()
     */
    public void stop() {
    }
}
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