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/*******************************************************************************
* Copyright (c) 2000, 2017 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.core;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.StringTokenizer;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.Preferences;
import org.eclipse.core.runtime.Preferences.PropertyChangeEvent;
import org.eclipse.team.core.Team;
public class UserStringMappings implements Preferences.IPropertyChangeListener {
public static final Integer BINARY= Integer.valueOf(Team.BINARY);
public static final Integer TEXT= Integer.valueOf(Team.TEXT);
public static final Integer UNKNOWN= Integer.valueOf(Team.UNKNOWN);
private static final String PREF_TEAM_SEPARATOR = "\n"; //$NON-NLS-1$
private final Preferences fPreferences;
private final String fKey;
private Map<String, Integer> fMap;
public UserStringMappings(String key) {
fKey= key;
fPreferences= TeamPlugin.getPlugin().getPluginPreferences();
fPreferences.addPropertyChangeListener(this);
}
public Map<String, Integer> referenceMap() {
if (fMap == null) {
fMap= loadMappingsFromPreferences();
}
return fMap;
}
public void addStringMappings(String[] names, int[] types) {
Assert.isTrue(names.length == types.length);
final Map<String, Integer> map= referenceMap();
for (int i = 0; i < names.length; i++) {
switch (types[i]) {
case Team.BINARY: map.put(names[i], BINARY); break;
case Team.TEXT: map.put(names[i], TEXT); break;
case Team.UNKNOWN: map.put(names[i], UNKNOWN); break;
}
}
save();
}
public void setStringMappings(String [] names, int [] types) {
Assert.isTrue(names.length == types.length);
referenceMap().clear();
addStringMappings(names, types);
}
public int getType(String string) {
if (string == null)
return Team.UNKNOWN;
final Integer type= referenceMap().get(string);
return type != null ? type.intValue() : Team.UNKNOWN;
}
@Override
public void propertyChange(PropertyChangeEvent event) {
if(event.getProperty().equals(fKey))
fMap= null;
}
public void save() {
// Now set into preferences
final StringBuilder buffer = new StringBuilder();
final Iterator e = fMap.keySet().iterator();
while (e.hasNext()) {
final String filename = (String)e.next();
buffer.append(filename);
buffer.append(PREF_TEAM_SEPARATOR);
final Integer type = fMap.get(filename);
buffer.append(type);
buffer.append(PREF_TEAM_SEPARATOR);
}
TeamPlugin.getPlugin().getPluginPreferences().setValue(fKey, buffer.toString());
}
protected Map<String, Integer> loadMappingsFromPreferences() {
final Map<String, Integer> result= new HashMap<>();
if (!fPreferences.contains(fKey))
return result;
final String prefTypes = fPreferences.getString(fKey);
final StringTokenizer tok = new StringTokenizer(prefTypes, PREF_TEAM_SEPARATOR);
try {
while (tok.hasMoreElements()) {
final String name = tok.nextToken();
final String mode= tok.nextToken();
result.put(name, Integer.valueOf(mode));
}
} catch (NoSuchElementException e) {
}
return result;
}
}
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