org.polarsys.reqcycle.jdt.traceability.JDTPreferences.java Source code

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Here is the source code for org.polarsys.reqcycle.jdt.traceability.JDTPreferences.java

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/*******************************************************************************
 *  Copyright (c) 2013 AtoS
 *  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:
 *    Tristan Faure (AtoS) - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.polarsys.reqcycle.jdt.traceability;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.polarsys.reqcycle.jdt.traceability.types.JDTType;
import org.polarsys.reqcycle.traceability.model.TType;
import org.polarsys.reqcycle.utils.configuration.IConfigurationManager;
import org.polarsys.reqcycle.utils.inject.ZigguratInject;

import com.google.common.base.Function;
import com.google.common.base.Functions;
import com.google.common.collect.Maps;

public class JDTPreferences {
    private static final String JDT_TYPES_CONSTANT = Activator.PLUGIN_ID + ".jdtType";

    public static Map<String, TType> getPreferences() {
        IConfigurationManager manager = ZigguratInject.make(IConfigurationManager.class);
        Map<String, Object> map = manager.getSimpleConfiguration(null, null, JDT_TYPES_CONSTANT, false);
        if (map == null) {
            return new HashMap<String, TType>();
        }
        return new HashMap<String, TType>(Maps.transformValues(map, new MapFunction()));
    }

    public static void savePreferences(Map<String, TType> map) {
        IConfigurationManager manager = ZigguratInject.make(IConfigurationManager.class);
        Map<String, Object> newMap = new HashMap<String, Object>(
                Maps.transformValues(map, Functions.toStringFunction()));
        try {
            manager.saveSimpleConfiguration(newMap, null, null, JDT_TYPES_CONSTANT);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static class MapFunction implements Function<Object, TType> {
        public TType apply(Object o) {
            if (o instanceof String) {
                String string = (String) o;
                return new JDTType(string);
            } else {
                return null;
            }
        }
    }
}