/*****************************************************************
* 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.cayenne.pref;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Vector;
import java.util.prefs.BackingStoreException;
import java.util.prefs.Preferences;
import org.apache.cayenne.modeler.ModelerPreferences;
import org.apache.cayenne.modeler.util.CayenneUserDir;
import org.apache.commons.collections.ExtendedProperties;
public class UpgradeCayennePreference extends PreferenceDecorator {
/** Name of the preferences file. */
public static final String PREFERENCES_NAME_OLD = "modeler.preferences";
public static final String LAST_PROJ_FILES_OLD = "Editor.lastSeveralProjectFiles";
/** GUI layout */
public static final String EDITOR_LAFNAME_OLD = "Editor.lookAndFeel";
public static final String EDITOR_THEMENAME_OLD = "Editor.theme";
/** Log file */
public static final String EDITOR_LOGFILE_ENABLED_OLD = "Editor.logfileEnabled";
public static final String EDITOR_LOGFILE_OLD = "Editor.logfile";
public UpgradeCayennePreference(Preference delegate) {
super(delegate);
}
public void upgrade() {
try {
if (!Preferences.userRoot().nodeExists(CAYENNE_PREFERENCES_PATH)) {
File prefsFile = new File(preferencesDirectory(), PREFERENCES_NAME_OLD);
if (prefsFile.exists()) {
ExtendedProperties ep = new ExtendedProperties();
try {
ep.load(new FileInputStream(prefsFile));
Preferences prefEditor = Preferences.userRoot().node(
CAYENNE_PREFERENCES_PATH).node(EDITOR);
prefEditor.putBoolean(
ModelerPreferences.EDITOR_LOGFILE_ENABLED,
ep.getBoolean(EDITOR_LOGFILE_ENABLED_OLD));
prefEditor.put(ModelerPreferences.EDITOR_LOGFILE, ep
.getString(EDITOR_LOGFILE_OLD));
Preferences frefLastProjFiles = prefEditor.node(LAST_PROJ_FILES);
Vector arr = ep.getVector(LAST_PROJ_FILES_OLD);
while (arr.size() > ModelerPreferences.LAST_PROJ_FILES_SIZE) {
arr.remove(arr.size() - 1);
}
frefLastProjFiles.clear();
int size = arr.size();
for (int i = 0; i < size; i++) {
frefLastProjFiles.put(String.valueOf(i), arr
.get(i)
.toString());
}
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
}
}
}
catch (BackingStoreException e) {
// do nothing
}
}
/**
* Returns preferences directory <code>$HOME/.cayenne</code>. If such directory does
* not exist, it is created as a side effect of this method.
*/
public File preferencesDirectory() {
return CayenneUserDir.getInstance().getDirectory();
}
@Override
public Preferences getRootPreference() {
upgrade();
return delegate.getRootPreference();
}
@Override
public Preferences getCayennePreference() {
upgrade();
return delegate.getCayennePreference();
}
@Override
public Preferences getCurrentPreference() {
upgrade();
return delegate.getCayennePreference();
}
}