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* 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
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.modeler.action;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import org.apache.cayenne.configuration.DataChannelDescriptor;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.MapLoader;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.pref.FSPath;
import org.apache.cayenne.modeler.util.CayenneAction;
import org.apache.cayenne.modeler.util.FileFilters;
import org.apache.cayenne.util.NamedObjectFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.xml.sax.InputSource;
/**
* Modeler action that imports a DataMap into a project from an arbitrary location.
*
* @since 1.1
*/
public class ImportDataMapAction extends CayenneAction {
private static Log logObj = LogFactory.getLog(ImportDataMapAction.class);
public static String getActionName() {
return "Import DataMap";
}
public ImportDataMapAction(Application application) {
super(getActionName(), application);
}
public void performAction(ActionEvent e) {
importDataMap();
}
protected void importDataMap() {
File dataMapFile = selectDataMap(Application.getFrame());
if (dataMapFile == null) {
return;
}
DataMap newMap;
try {
URL url = dataMapFile.toURI().toURL();
InputStream in = url.openStream();
try {
InputSource inSrc = new InputSource(in);
inSrc.setSystemId(dataMapFile.getAbsolutePath());
newMap = new MapLoader().loadDataMap(inSrc);
}
finally {
try {
in.close();
}
catch (IOException ioex) {
}
}
DataChannelDescriptor domain = (DataChannelDescriptor) getProjectController()
.getProject()
.getRootNode();
if (newMap.getName() != null) {
newMap.setName(NamedObjectFactory.createName(
DataMap.class,
domain,
newMap.getName()));
}
else {
newMap.setName(NamedObjectFactory.createName(DataMap.class, domain));
}
getProjectController().addDataMap(this, newMap);
}
catch (Exception ex) {
logObj.info("Error importing DataMap.", ex);
JOptionPane.showMessageDialog(
Application.getFrame(),
"Error reading DataMap: " + ex.getMessage(),
"Can't Open DataMap",
JOptionPane.OK_OPTION);
}
}
protected File selectDataMap(Frame f) {
// find start directory in preferences
FSPath lastDir = getApplication().getFrameController().getLastDirectory();
// configure dialog
JFileChooser chooser = new JFileChooser();
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
lastDir.updateChooser(chooser);
chooser.addChoosableFileFilter(FileFilters.getDataMapFilter());
int status = chooser.showDialog(f, "Select DataMap");
if (status == JFileChooser.APPROVE_OPTION) {
File file = chooser.getSelectedFile();
// save to preferences...
lastDir.updateFromChooser(chooser);
return file;
}
return null;
}
}