be.ac.ua.comp.scarletnebula.gui.SSHPanel.java Source code

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Here is the source code for be.ac.ua.comp.scarletnebula.gui.SSHPanel.java

Source

/*
 * Copyright (C) 2011  Ives van der Flaas
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package be.ac.ua.comp.scarletnebula.gui;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.beans.ExceptionListener;
import java.util.Collection;
import java.util.LinkedList;

import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.border.BevelBorder;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import be.ac.ua.comp.scarletnebula.core.SSHCommandConnection;
import be.ac.ua.comp.scarletnebula.core.Server;

import com.jcraft.jcterm.Connection;
import com.jcraft.jcterm.JCTermSwing;

public class SSHPanel extends JPanel {
    private static final long serialVersionUID = 1L;
    private static Log log = LogFactory.getLog(SSHPanel.class);
    private final Collection<ExceptionListener> exceptionListeners = new LinkedList<ExceptionListener>();

    public SSHPanel(final Server server) {
        super();

        final JCTermSwing term = new JCTermSwing();
        term.setCompression(7);
        term.setAntiAliasing(true);

        setLayout(new BorderLayout());

        addComponentListener(new ComponentListener() {

            @Override
            public void componentShown(final ComponentEvent e) {
            }

            @Override
            public void componentResized(final ComponentEvent e) {
                final Component c = e.getComponent();
                int cw = c.getWidth();
                int ch = c.getHeight();

                final JPanel source = ((JPanel) c);

                final int cwm = source.getBorder() != null
                        ? source.getBorder().getBorderInsets(c).left + source.getBorder().getBorderInsets(c).right
                        : 0;
                final int chm = source.getBorder() != null
                        ? source.getBorder().getBorderInsets(c).bottom + source.getBorder().getBorderInsets(c).top
                        : 0;
                cw -= cwm;
                ch -= chm;

                term.setBorder(BorderFactory.createMatteBorder(0, 0, term.getTermHeight() - c.getHeight(),
                        term.getTermWidth() - c.getWidth(), Color.BLACK));
                term.setSize(cw, ch);
                term.setPreferredSize(new Dimension(cw, ch));
                // term.setMinimumSize(new Dimension(cw, ch));
                term.setMaximumSize(new Dimension(cw, ch));
                term.redraw(0, 0, term.getTermWidth(), term.getTermHeight());
            }

            @Override
            public void componentMoved(final ComponentEvent e) { // TODO
                // Auto-generated
                // method
                // stub

            }

            @Override
            public void componentHidden(final ComponentEvent e) { // TODO
                // Auto-generated
                // method
                // stub

            }
        });

        add(term, BorderLayout.CENTER);

        setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20),
                BorderFactory.createBevelBorder(BevelBorder.LOWERED)));

        final Thread connectionThread = new Thread() {
            @Override
            public void run() {

                Connection connection = null;
                try {
                    final SSHCommandConnection commandConnection = (SSHCommandConnection) server
                            .newCommandConnection(new NotPromptingJschUserInfo());

                    connection = commandConnection.getJSchTerminalConnection();

                    term.requestFocusInWindow();
                    term.start(connection);
                } catch (final Exception e) {
                    for (final ExceptionListener listener : exceptionListeners) {
                        listener.exceptionThrown(e);
                    }

                    log.warn("Exception thrown by SSHPanel", e);
                } finally {
                }

            }
        };

        connectionThread.start();
    }

    public void addExceptionListener(final ExceptionListener listener) {
        exceptionListeners.add(listener);
    }

}