/*
* 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.control;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.JFileChooser;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.apache.uima.cas.impl.XCASDeserializer;
import org.apache.uima.internal.util.Timer;
import org.apache.uima.tools.cvd.MainFrame;
/**
* Load an XCAS file.
*/
public class XCASFileOpenEventHandler implements ActionListener {
private final MainFrame main;
public XCASFileOpenEventHandler(MainFrame frame) {
super();
this.main = frame;
}
/**
* @see java.awt.event.ActionListener#actionPerformed(ActionEvent)
*/
public void actionPerformed(ActionEvent event) {
JFileChooser fileChooser = new JFileChooser();
fileChooser.setDialogTitle("Open XCAS file");
if (this.main.getXcasFileOpenDir() != null) {
fileChooser.setCurrentDirectory(this.main.getXcasFileOpenDir());
}
int rc = fileChooser.showOpenDialog(this.main);
if (rc == JFileChooser.APPROVE_OPTION) {
File xcasFile = fileChooser.getSelectedFile();
if (xcasFile.exists() && xcasFile.isFile()) {
try {
this.main.setXcasFileOpenDir(xcasFile.getParentFile());
Timer time = new Timer();
time.start();
SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
XCASDeserializer xcasDeserializer = new XCASDeserializer(this.main.getCas()
.getTypeSystem());
this.main.getCas().reset();
parser.parse(xcasFile, xcasDeserializer.getXCASHandler(this.main.getCas()));
time.stop();
this.main.handleSofas();
this.main.setTitle("XCAS");
this.main.updateIndexTree(true);
this.main.setRunOnCasEnabled();
this.main.setEnableCasFileReadingAndWriting();
this.main.setStatusbarMessage("Done loading XCAS file in " + time.getTimeSpan() + ".");
} catch (Exception e) {
e.printStackTrace();
this.main.handleException(e);
}
}
}
}
}