/*
* 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.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.KeyStroke;
import org.apache.log4j.chainsaw.icons.ChainsawIcons;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.log4j.xml.XMLLayout;
/**
* Allows the user to specify a particular file to which the current tab's
* displayed events will be saved.
*
* @author Scott Deboy <sdeboy@apache.org>
* @author Paul Smith <psmith@apache.org>
* @author Stephen Pain
*/
class FileSaveAction extends AbstractAction {
private LogUI parent;
private JFileChooser chooser = null;
/**
* This action must have a reference to a LogUI
* in order to retrieve events to save
*
*/
public FileSaveAction(LogUI parent) {
super("Save as...");
putValue(
Action.ACCELERATOR_KEY,
KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.CTRL_MASK));
putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_S));
putValue(
Action.SHORT_DESCRIPTION, "Saves displayed events for the current tab");
putValue(Action.SMALL_ICON, new ImageIcon(ChainsawIcons.FILE_SAVE_AS));
this.parent = parent;
}
/*
* When the user chooses the Save action,
* a File chooser is presented to allow them to
* find an XML file to save events to.
*
* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
*/
public void actionPerformed(ActionEvent e) {
if( chooser == null ){
chooser = new JFileChooser();
}
chooser.setAcceptAllFileFilterUsed(true);
chooser.setDialogTitle("Save Events to XML file...");
chooser.showSaveDialog(parent);
File selectedFile = chooser.getSelectedFile();
XMLLayout layout = new XMLLayout();
LoggingEvent event = null;
PrintWriter out = null;
if (selectedFile != null) {
try {
List v = parent.getCurrentLogPanel().getFilteredEvents();
if (((v != null) && (v.size() == 0)) || (v == null)) {
//no events to save
return;
}
Iterator iter = v.iterator();
out =
new PrintWriter(new BufferedWriter(new FileWriter(selectedFile)));
while (iter.hasNext()) {
event = (LoggingEvent) iter.next();
layout.setLocationInfo(event.getThrowableInformation() != null);
out.write(layout.format(event));
}
} catch (IOException ioe) {
ioe.printStackTrace();
} finally {
if (out != null) {
out.flush();
out.close();
}
}
}
}
}