| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.uima.tools.cvd; |
| |
| import java.awt.Dimension; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.event.InputEvent; |
| import java.awt.event.KeyEvent; |
| import java.io.File; |
| import java.io.IOException; |
| |
| import javax.swing.Action; |
| import javax.swing.JFrame; |
| import javax.swing.JMenu; |
| import javax.swing.JMenuBar; |
| import javax.swing.JMenuItem; |
| import javax.swing.JOptionPane; |
| import javax.swing.JScrollPane; |
| import javax.swing.JTextArea; |
| import javax.swing.KeyStroke; |
| import javax.swing.text.DefaultEditorKit; |
| |
| import org.apache.uima.util.FileUtils; |
| |
| /** |
| * Simple file viewer for viewing log files. |
| * |
| * |
| */ |
| public class LogFileViewer extends JFrame { |
| |
| private static final long serialVersionUID = 3599235286749804258L; |
| |
| private File logFile; |
| |
| private JScrollPane scrollPane; |
| |
| private JTextArea textArea; |
| |
| /** |
| * @throws java.awt.HeadlessException |
| */ |
| public LogFileViewer() { |
| super(); |
| } |
| |
| /** |
| * @param arg0 |
| */ |
| public LogFileViewer(GraphicsConfiguration arg0) { |
| super(arg0); |
| } |
| |
| /** |
| * @param arg0 |
| * @throws java.awt.HeadlessException |
| */ |
| public LogFileViewer(String arg0) { |
| super(arg0); |
| } |
| |
| /** |
| * @param arg0 |
| * @param arg1 |
| */ |
| public LogFileViewer(String arg0, GraphicsConfiguration arg1) { |
| super(arg0, arg1); |
| } |
| |
| public void init(File file, Dimension d) { |
| createMenus(); |
| this.logFile = file; |
| this.textArea = new JTextArea(); |
| // Copy |
| Action copyAction = this.textArea.getActionMap().get(DefaultEditorKit.copyAction); |
| copyAction.putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_C, |
| InputEvent.CTRL_MASK)); |
| copyAction.setEnabled(true); |
| this.scrollPane = new JScrollPane(this.textArea); |
| this.setContentPane(this.scrollPane); |
| this.scrollPane.setPreferredSize(d); |
| boolean doneLoadingFile = loadFile(); |
| if (!doneLoadingFile) { |
| this.dispose(); |
| return; |
| } |
| this.pack(); |
| this.setVisible(true); |
| } |
| |
| private void createMenus() { |
| JMenuBar menuBar = new JMenuBar(); |
| this.setJMenuBar(menuBar); |
| JMenu fileMenu = new JMenu("File"); |
| menuBar.add(fileMenu); |
| JMenuItem reload = new JMenuItem("Reload Log File"); |
| reload.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent event) { |
| loadFile(); |
| } |
| }); |
| fileMenu.add(reload); |
| JMenuItem exit = new JMenuItem("Close Window"); |
| exit.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent event) { |
| LogFileViewer.this.dispose(); |
| } |
| }); |
| fileMenu.add(exit); |
| } |
| |
| private boolean loadFile() { |
| if (!this.logFile.exists()) { |
| JOptionPane.showMessageDialog(this, "The log file \"" + this.logFile.getAbsolutePath() |
| + "\" does not exist (yet).\nThis probably just means that nothing was logged yet.", |
| "Information", JOptionPane.INFORMATION_MESSAGE); |
| return false; |
| } |
| String text = null; |
| try { |
| text = FileUtils.file2String(this.logFile, "UTF-8"); |
| } catch (IOException e) { |
| handleException(e); |
| return false; |
| } |
| this.textArea.setText(text); |
| return true; |
| } |
| |
| protected void handleException(Exception e) { |
| boolean hasAsserts = false; |
| // assert(hasAsserts = true); |
| if (hasAsserts) { |
| e.printStackTrace(); |
| } |
| JOptionPane.showMessageDialog(this, e.getMessage(), "Exception", JOptionPane.ERROR_MESSAGE); |
| |
| } |
| |
| } |