de.ingrid.portal.global.UniversalSorter.java Source code

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Here is the source code for de.ingrid.portal.global.UniversalSorter.java

Source

/*
 * **************************************************-
 * Ingrid Portal Apps
 * ==================================================
 * Copyright (C) 2014 - 2015 wemove digital solutions GmbH
 * ==================================================
 * Licensed under the EUPL, Version 1.1 or  as soon they will be
 * approved by the European Commission - subsequent versions of the
 * EUPL (the "Licence");
 * 
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * 
 * http://ec.europa.eu/idabc/eupl5
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 * **************************************************#
 */
package de.ingrid.portal.global;

import java.text.Collator;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;

import org.apache.commons.beanutils.PropertyUtils;

public class UniversalSorter {
    private Locale _lang;

    public UniversalSorter(Locale lang) {
        _lang = lang;
    }

    @SuppressWarnings("unchecked")
    public Collection sort(List list, String property) {
        //return 
        Collections.sort(list, new GermanLangComparator(property, _lang));
        return list;
    }

    public class GermanLangComparator implements Comparator {
        private String _field;
        private Locale _lang;

        public GermanLangComparator(String field, Locale lang) {
            _field = field;
            _lang = lang;
        }

        public final int compare(Object a, Object b) {
            try {
                String aField = (String) PropertyUtils.getProperty(a, _field);
                String bField = (String) PropertyUtils.getProperty(b, _field);

                // Get the collator for the German Locale 
                Collator gerCollator = Collator.getInstance(_lang);
                return gerCollator.compare(aField, bField);
            } catch (Exception e) {
                return 0;
            }
        }
    }
}