/*
* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
package com.sun.hotspot.igv.coordinator.actions;
import com.sun.hotspot.igv.coordinator.OutlineTopComponent;
import com.sun.hotspot.igv.data.GraphDocument;
import com.sun.hotspot.igv.data.serialization.Parser;
import com.sun.hotspot.igv.settings.Settings;
import com.sun.hotspot.igv.data.serialization.XMLParser;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.swing.Action;
import javax.swing.JFileChooser;
import javax.swing.KeyStroke;
import javax.swing.filechooser.FileFilter;
import org.netbeans.api.progress.ProgressHandle;
import org.netbeans.api.progress.ProgressHandleFactory;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor;
import org.openide.util.actions.CallableSystemAction;
import org.openide.xml.XMLUtil;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
/**
*
* @author Thomas Wuerthinger
*/
public final class ImportAction extends CallableSystemAction {
public static FileFilter getFileFilter() {
return new FileFilter() {
public boolean accept(File f) {
return f.getName().toLowerCase().endsWith(".xml") || f.isDirectory();
}
public String getDescription() {
return "XML files (*.xml)";
}
};
}
public void performAction() {
JFileChooser fc = new JFileChooser();
fc.setFileFilter(ImportAction.getFileFilter());
fc.setCurrentDirectory(new File(Settings.get().get(Settings.DIRECTORY, Settings.DIRECTORY_DEFAULT)));
if (fc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();
File dir = file;
if (!dir.isDirectory()) {
dir = dir.getParentFile();
}
Settings.get().put(Settings.DIRECTORY, dir.getAbsolutePath());
try {
final XMLReader reader = XMLUtil.createXMLReader();
final FileInputStream inputStream = new FileInputStream(file);
final InputSource is = new InputSource(inputStream);
final ProgressHandle handle = ProgressHandleFactory.createHandle("Opening file " + file.getName());
final int basis = 1000;
handle.start(basis);
final int start = inputStream.available();
final XMLParser.ParseMonitor parseMonitor = new XMLParser.ParseMonitor() {
public void setProgress(double d) {
try {
int curAvailable = inputStream.available();
int prog = (int) (basis * (double) (start - curAvailable) / (double) start);
handle.progress(prog);
} catch (IOException ex) {
}
}
public void setState(String state) {
setProgress(0.0);
handle.progress(state);
}
};
final Parser parser = new Parser();
final OutlineTopComponent component = OutlineTopComponent.findInstance();
component.requestActive();
RequestProcessor.getDefault().post(new Runnable() {
public void run() {
GraphDocument document = null;
try {
document = parser.parse(reader, is, parseMonitor);
parseMonitor.setState("Finishing");
component.getDocument().addGraphDocument(document);
} catch (SAXException ex) {
String s = "Exception during parsing the XML file, could not load document!";
if (ex instanceof XMLParser.MissingAttributeException) {
XMLParser.MissingAttributeException e = (XMLParser.MissingAttributeException) ex;
s += "\nMissing attribute \"" + e.getAttributeName() + "\"";
}
ex.printStackTrace();
NotifyDescriptor d = new NotifyDescriptor.Message(s, NotifyDescriptor.ERROR_MESSAGE);
DialogDisplayer.getDefault().notify(d);
}
handle.finish();
}
});
} catch (SAXException ex) {
ex.printStackTrace();
} catch (FileNotFoundException ex) {
ex.printStackTrace();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
public String getName() {
return NbBundle.getMessage(ImportAction.class, "CTL_ImportAction");
}
public ImportAction() {
putValue(Action.SHORT_DESCRIPTION, "Open an XML graph document");
putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_MASK));
}
@Override
protected String iconResource() {
return "com/sun/hotspot/igv/coordinator/images/import.gif";
}
public HelpCtx getHelpCtx() {
return HelpCtx.DEFAULT_HELP;
}
@Override
protected boolean asynchronous() {
return false;
}
}