ErrorDialog.java

/*
 * Aphelion
 * Copyright (c) 2013  Joris van der Wel
 * 
 * This file is part of Aphelion
 * 
 * Aphelion is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 * 
 * Aphelion 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 Affero General Public License
 * along with Aphelion.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * In addition, the following supplemental terms apply, based on section 7 of
 * the GNU Affero General Public License (version 3):
 * a) Preservation of all legal notices and author attributions
 * b) Prohibition of misrepresentation of the origin of this material, and
 * modified versions are required to be marked in reasonable ways as
 * different from the original version (for example by appending a copyright notice).
 * 
 * Linking this library statically or dynamically with other modules is making a
 * combined work based on this library. Thus, the terms and conditions of the
 * GNU Affero General Public License cover the whole combination.
 * 
 * As a special exception, the copyright holders of this library give you 
 * permission to link this library with independent modules to produce an 
 * executable, regardless of the license terms of these independent modules,
 * and to copy and distribute the resulting executable under terms of your 
 * choice, provided that you also meet, for each linked independent module,
 * the terms and conditions of the license of that module. An independent
 * module is a module which is not derived from or based on this library.
 */
package aphelion.client;

import java.awt.BorderLayout;
import java.awt.HeadlessException;
import java.awt.TextArea;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import javax.annotation.Nonnull;
import javax.swing.JFrame;

/**
 *
 * @author Joris
 */
public class ErrorDialog extends JFrame
{
        private final TextArea textArea;
        public ErrorDialog() throws HeadlessException
        {
                setTitle("Error");
                setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                setLayout(new BorderLayout());
                add(textArea = new TextArea(), BorderLayout.CENTER);
                textArea.setEditable(false);
                setSize(800, 600);
                setLocationRelativeTo(null);
                setVisible(true);
        }
        
        public void setErrorText(@Nonnull String text)
        {
                textArea.setText(text);
        }
        public void setErrorText(@Nonnull Throwable t)
        {
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                PrintStream ps = new PrintStream(baos);
                setTitle("Error: " + t);
                
                t.printStackTrace(ps);
                try
                {
                        setErrorText(baos.toString("UTF-8"));
                }
                catch (UnsupportedEncodingException ex)
                {
                        throw new Error(ex);
                }
        }
}