| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * Licensed 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.log4j.chainsaw; |
| |
| import java.awt.event.ActionEvent; |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Vector; |
| |
| import javax.swing.AbstractAction; |
| import javax.swing.JFileChooser; |
| import javax.swing.JOptionPane; |
| import javax.swing.filechooser.FileFilter; |
| |
| import org.apache.log4j.Logger; |
| import org.apache.log4j.helpers.Constants; |
| import org.apache.log4j.spi.Decoder; |
| import org.apache.log4j.spi.LoggingEvent; |
| |
| /** |
| * Allows the user to specify a particular file to open and import the events |
| * into a new tab. |
| * |
| * @author Paul Smith <psmith@apache.org> |
| * @author Scott Deboy <sdeboy@apache.org> |
| * |
| */ |
| class FileLoadAction extends AbstractAction { |
| private static final Logger LOG = Logger.getLogger(FileLoadAction.class); |
| |
| /** |
| * This action must have a reference to a LogUI window so that it can append |
| * the events it loads |
| * |
| */ |
| Decoder decoder = null; |
| |
| private LogUI parent; |
| |
| private JFileChooser chooser = null; |
| |
| private boolean remoteURL = false; |
| |
| public FileLoadAction(LogUI parent, Decoder decoder, String title, |
| boolean isRemoteURL) { |
| super(title); |
| remoteURL = isRemoteURL; |
| this.decoder = decoder; |
| this.parent = parent; |
| } |
| |
| /* |
| * When the user chooses the Load action, a File chooser is presented to |
| * allow them to find an XML file to load events from. |
| * |
| * Any events decoded from this file are added to one of the tabs. |
| * |
| * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent) |
| */ |
| public void actionPerformed(ActionEvent e) { |
| String name = ""; |
| URL url = null; |
| |
| if (!remoteURL) { |
| if (chooser == null) { |
| chooser = new JFileChooser(); |
| } |
| |
| chooser.setDialogTitle("Load Events from XML file..."); |
| |
| chooser.setAcceptAllFileFilterUsed(true); |
| |
| chooser.setFileFilter(new FileFilter() { |
| public boolean accept(File f) { |
| return (f.getName().toLowerCase().endsWith(".xml") || f |
| .isDirectory()); |
| } |
| |
| public String getDescription() { |
| return "XML files (*.xml)"; |
| } |
| }); |
| |
| int i = chooser.showOpenDialog(parent); |
| if (i != JFileChooser.APPROVE_OPTION) { |
| return; |
| } |
| File selectedFile = chooser.getSelectedFile(); |
| |
| try { |
| url = selectedFile.toURL(); |
| name = selectedFile.getName(); |
| } catch (Exception ex) { |
| // TODO: handle exception |
| } |
| } else { |
| String urltext = JOptionPane |
| .showInputDialog(parent, |
| "<html>Please type in the <b>complete</b> URL to the remote XML source.</html>"); |
| |
| if (urltext != null) { |
| try { |
| url = new URL(urltext); |
| } catch (Exception ex) { |
| JOptionPane.showMessageDialog(parent, "'" + urltext |
| + "' is not a valid URL."); |
| } |
| } |
| } |
| |
| if (url != null) { |
| importURL(parent.handler, decoder, name, url); |
| } |
| } |
| |
| /** |
| * Imports a URL into Chainsaw, by using the Decoder, and |
| * using the name value as the Application key which (usually) determines |
| * the Tab name |
| * @param name |
| * @param url URL to import |
| */ |
| public static void importURL(final ChainsawAppenderHandler handler, final Decoder decoder, String name, URL url) { |
| Map additionalProperties = new HashMap(); |
| additionalProperties.put(Constants.HOSTNAME_KEY, "file"); |
| additionalProperties.put(Constants.APPLICATION_KEY, name); |
| decoder.setAdditionalProperties(additionalProperties); |
| |
| final URL urlToUse = url; |
| new Thread(new Runnable() { |
| public void run() { |
| try { |
| Vector events = decoder.decode(urlToUse); |
| Iterator iter = events.iterator(); |
| while (iter.hasNext()) { |
| handler.append((LoggingEvent) iter.next()); |
| } |
| } catch (IOException e1) { |
| // TODO Handle the error with a nice msg |
| LOG.error(e1); |
| } |
| } |
| }).start(); |
| } |
| } |