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DynamicJasper (DJ) is an API that hides the complexity of Jasper Reports, it helps developers to save time when designing simple/medium complexity reports generating the layout of the report elements automatically. It creates reports dynamically, defining at runtime the columns, column width (auto width), groups, variables, fonts, charts, crosstabs, sub reports (that can also be dynamic), page size and everything else that you can define at design time. DJ keeps full compatibility with Jasper Reports since it's a tool that helps create reports programmatically in a easy way (it only interferes with the creation of the report design doing the layout of the elements). You can use the classic .jrxml files as templates while the content and layout of the report elements are handled by the DJ API. http://dynamicjasper.com

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/*
 * Dynamic Jasper: A library for creating reports dynamically by specifying
 * columns, groups, styles, etc. at runtime. It also saves a lot of development
 * time in many cases! (http://sourceforge.net/projects/dynamicjasper)
 *
 * Copyright (C) 2008  FDV Solutions (http://www.fdvsolutions.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 *
 * License as published by the Free Software Foundation; either
 *
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 *
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 *
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *
 */

package ar.com.fdvs.dj.util;

import ar.com.fdvs.dj.domain.DJCrosstab;
import ar.com.fdvs.dj.domain.DJCrosstabColumn;
import ar.com.fdvs.dj.domain.DJCrosstabRow;
import ar.com.fdvs.dj.domain.entities.columns.ExpressionColumn;
import ar.com.fdvs.dj.domain.entities.columns.PropertyColumn;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

public class SortUtils {

	public static List sortCollection(Collection dummyCollection, List columns) {
        ArrayList l = new ArrayList(dummyCollection);
        ArrayList info = new ArrayList();
        for (Iterator iter = columns.iterator(); iter.hasNext();) {
            Object object = iter.next();
            if (object instanceof String) {
                info.add(new SortInfo((String)object, true));
            } else if (object instanceof ExpressionColumn) {
            	//do nothing with expression columns
            	continue;
	        } else if (object instanceof PropertyColumn) {
	        	info.add(new SortInfo(((PropertyColumn)object).getColumnProperty().getProperty(), true));
	        }
        }
        MultiPropertyComparator mpc = new MultiPropertyComparator(info);
        Collections.sort(l, mpc);
        return l;
    }
	public static List sortCollection(Collection dummyCollection, DJCrosstab crosstab) {
		ArrayList l = new ArrayList(dummyCollection);
		ArrayList info = new ArrayList();
		for (Iterator iter = crosstab.getRows().iterator(); iter.hasNext();) {
			Object object = iter.next();
			if (object instanceof String) {
				info.add(new SortInfo((String)object, true));
			} else if (object instanceof DJCrosstabRow) {
				info.add(new SortInfo(((DJCrosstabRow)object).getProperty().getProperty(), true));
			}
		}
		for (Iterator iter = crosstab.getColumns().iterator(); iter.hasNext();) {
			Object object = iter.next();
			if (object instanceof String) {
				info.add(new SortInfo((String)object, true));
			} else if (object instanceof DJCrosstabColumn) {
				info.add(new SortInfo(((DJCrosstabColumn)object).getProperty().getProperty(), true));
			}
		}
		MultiPropertyComparator mpc = new MultiPropertyComparator(info);
		Collections.sort(l, mpc);
		return l;
	}

}