Java List Create createSourceExtensionList(Map sourceExtensionMap)

Description

Transforms the map of source extensions into a list of source extension sorted by the source class name of the source extension.

License

Open Source License

Parameter

Parameter	Description
E	Extension type.
sourceExtensionMap	Map of source extensions.

Return

List of source extensions.

Declaration

public static <E> List<E> createSourceExtensionList(Map<String, E> sourceExtensionMap) 

Method Source Code

//package com.java2s;
/*//from www .  j a  v a  2s  . com
 * OfficeFloor - http://www.officefloor.net
 * Copyright (C) 2005-2013 Daniel Sagenschneider
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.ArrayList;
import java.util.Collections;

import java.util.List;
import java.util.Map;

public class Main {
    /**
     * Transforms the map of source extensions into a list of source extension
     * sorted by the source class name of the source extension.
     * 
     * @param <E>
     *            Extension type.
     * @param sourceExtensionMap
     *            Map of source extensions.
     * @return List of source extensions.
     */
    public static <E> List<E> createSourceExtensionList(Map<String, E> sourceExtensionMap) {

        // Obtain the sorted source class names
        List<String> sourceClassNames = new ArrayList<String>(sourceExtensionMap.keySet());
        Collections.sort(sourceClassNames);

        // Create the listing of source extensions
        List<E> list = new ArrayList<E>(sourceClassNames.size());
        for (String sourceClassName : sourceClassNames) {
            E sourceExtension = sourceExtensionMap.get(sourceClassName);
            list.add(sourceExtension);
        }

        // Return the source extension list
        return list;
    }
}

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