NoGrouper.java

/**
 * Copyright 1999-2009 The Pegadi Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.pegadi.articlelist;

import org.pegadi.model.Article;

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

public class NoGrouper implements Grouper {
    private String name;

    public NoGrouper(String name) {
        this.name = name;
    }

    public NoGrouper() {
        this("No grouper");
    }

    public String toString() {
        return this.getName();
    }

    public String getName() {
        return name;
    }

    public GroupedArticles group(Article[] articles, Comparator comparator) {

        ArrayList[] tempArrayListOut = new ArrayList[1];
        tempArrayListOut[0] = new ArrayList();

        GroupedArticles groupedArticles = new GroupedArticles();

        // now, iterate over all the articles, and duplicating
        // them into the correct ArrayList

        for (Article article : articles) tempArrayListOut[0].add(article);

        // Sort all the arraylists
        for (ArrayList aTempArrayListOut : tempArrayListOut) Collections.sort(aTempArrayListOut, comparator);

        // update the group headers

        String[] tempHeaders = new String[1];
        tempHeaders[0] = "";

        // update the group sums
        ArticleSum[] tempSums = new ArticleSum[1];
        tempSums[0] = new ArticleSum();
        for (Object o : tempArrayListOut[0]) {
            Article tempArticle = (Article) o;
            int tempInt = tempArticle.getWantedNumberOfCharacters();
            tempSums[0].add(tempInt);

        }

        // update, and return the results.
        groupedArticles.setNumberOfGroups(1);
        groupedArticles.setGroupedArticles(tempArrayListOut);
        groupedArticles.setGroupHeaders(tempHeaders);
        groupedArticles.setGroupSums(tempSums);
        return groupedArticles;
    }

}