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/*******************************************************************************
* Copyright (c) 2000, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Sergey Prigogin, Google
*******************************************************************************/
package org.eclipse.cdt.internal.ui.preferences.formatter;
import java.util.Map;
import org.eclipse.cdt.internal.ui.preferences.formatter.ProfileManager.CustomProfile;
public class ProfileVersioner implements IProfileVersioner {
public static final String CODE_FORMATTER_PROFILE_KIND= "CodeFormatterProfile"; //$NON-NLS-1$
public static final int VERSION_1= 1; // < 20061106 (pre CDT 4.0M3)
public static final int CURRENT_VERSION= VERSION_1;
public int getFirstVersion() {
return VERSION_1;
}
public int getCurrentVersion() {
return CURRENT_VERSION;
}
/**
* {@inheritDoc}
*/
public String getProfileKind() {
return CODE_FORMATTER_PROFILE_KIND;
}
public void update(CustomProfile profile) {
final Map<String, String> oldSettings= profile.getSettings();
Map<String, String> newSettings= updateAndComplete(oldSettings, profile.getVersion());
profile.setVersion(CURRENT_VERSION);
profile.setSettings(newSettings);
}
public static int getVersionStatus(CustomProfile profile) {
final int version= profile.getVersion();
if (version < CURRENT_VERSION)
return -1;
else if (version > CURRENT_VERSION)
return 1;
else
return 0;
}
public static void updateAndComplete(CustomProfile profile) {
final Map<String, String> oldSettings= profile.getSettings();
Map<String, String> newSettings= updateAndComplete(oldSettings, profile.getVersion());
profile.setVersion(CURRENT_VERSION);
profile.setSettings(newSettings);
}
public static Map<String, String> updateAndComplete(Map<String, String> oldSettings, int version) {
final Map<String, String> newSettings= FormatterProfileManager.getDefaultSettings();
switch (version) {
default:
for (Object element : oldSettings.keySet()) {
final String key= (String)element;
if (!newSettings.containsKey(key))
continue;
final String value= oldSettings.get(key);
if (value != null) {
newSettings.put(key, value);
}
}
}
return newSettings;
}
}
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