TextViewerForm.java

/*
 * cameracontrol
 * Copyright (C) 2011 Stefano Fornari
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY Stefano Fornari, Stefano Fornari
 * DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * 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 Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 */

/*
 * TextViewerForm.java
 *
 * Created on Jan 5, 2011, 8:19:30 PM
 */

package ste.cameracontrol.ui;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 *
 * @author ste
 */
public class TextViewerForm extends javax.swing.JDialog {

   /** Creates new form TextViewerForm */
    public TextViewerForm(java.awt.Frame parent, boolean modal) {
        super(parent, modal);
        initComponents();
        setLocationRelativeTo(null);
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        textArea = new javax.swing.JTextArea();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

        textArea.setBackground(java.awt.Color.white);
        textArea.setColumns(40);
        textArea.setEditable(false);
        textArea.setLineWrap(true);
        textArea.setRows(25);
        textArea.setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
        textArea.setMargin(new java.awt.Insets(5, 5, 5, 5));
        jScrollPane1.setViewportView(textArea);

        getContentPane().add(jScrollPane1, java.awt.BorderLayout.CENTER);

        pack();
    }// </editor-fold>//GEN-END:initComponents

    /**
     * Loads and display the text found in the resource whose name is given
     * in <code>resourceName</code>. The resource is load with the current
     * class loader.<br>
     * Please note that if the resource is not found, an error message appears
     * as text.
     * 
     * @param resourceName the resource containing the text
     */
    public void loadText(String resourceName) {
        String text = "";

        InputStream is = getClass().getClassLoader().getResourceAsStream(resourceName);

        if (is == null) {
            text = "Resource not found (" + resourceName + "=, please report...";
        } else {
            ByteArrayOutputStream os = new ByteArrayOutputStream();
            try {
                byte[] buf = new byte[1024];

                int read = 0;
                while ((read = is.read(buf)) >= 0) {
                    os.write(buf, 0, read);
                }
                text = os.toString();
            } catch (IOException e) {
                text = "Error loading the license: "
                        + e.getMessage()
                        + "\nPlease report..."
                        ;
            } finally {
                try { is.close(); is = null; } catch (IOException e) {}
                try { os.close(); os = null; } catch (IOException e) {}
            }
        }
        
        textArea.setText(text);
        textArea.setCaretPosition(0);
    }

    public String getText() {
        return textArea.getText();
    }
    
    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                TextViewerForm dialog = new TextViewerForm(new javax.swing.JFrame(), true);
                dialog.addWindowListener(new java.awt.event.WindowAdapter() {
                    public void windowClosing(java.awt.event.WindowEvent e) {
                        System.exit(0);
                    }
                });
                dialog.setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextArea textArea;
    // End of variables declaration//GEN-END:variables

}