/*
 * eGov suite of products aim to improve the internal efficiency,transparency,
 *    accountability and the service delivery of the government  organizations.
 *
 *     Copyright (C) <2015>  eGovernments Foundation
 *
 *     The updated version of eGov suite of products as by eGovernments Foundation
 *     is available at http://www.egovernments.org
 *
 *     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
 *     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/ or
 *     http://www.gnu.org/licenses/gpl.html .
 *
 *     In addition to the terms of the GPL license to be adhered to in using this
 *     program, the following additional terms are to be complied with:
 *
 *         1) All versions of this program, verbatim or modified must carry this
 *            Legal Notice.
 *
 *         2) Any misrepresentation of the origin of the material is prohibited. It
 *            is required that all modified versions of this material be marked in
 *            reasonable ways as different from the original version.
 *
 *         3) This license does not grant any rights to any user of the program
 *            with regards to rights under trademark law for use of the trade names
 *            or trademarks of eGovernments Foundation.
 *
 *   In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org.
 */
package com.exilant.eGov.src.reports;

import org.displaytag.decorator.ColumnDecorator;

/**
 * Simple column decorator which Which replace the string.
 * @author Sumit
 */
public class ReplaceWrapper implements ColumnDecorator
{
    static String replace(final String str, final String pattern, final String replace) {
        int s = 0;
        int e = 0;
        final StringBuffer result = new StringBuffer();

        while ((e = str.indexOf(pattern, s)) >= 0) {
            result.append(str.substring(s, e));
            result.append(replace);
            s = e + pattern.length();
        }
        result.append(str.substring(s));
        return result.toString();
    }

    @Override
    public final String decorate(final Object columnValue)
    {
        // if(LOGGER.isDebugEnabled()) LOGGER.debug("columnValue:"+columnValue);

        final String Rep = "" + columnValue;

        final String ReplacedOne = replace(Rep, "<br><br> ", "\n");
        // if(LOGGER.isDebugEnabled()) LOGGER.debug("Replaced1:"+ReplacedOne);
        final String ReplacedTwo = replace(ReplacedOne, "<br><br>", "");
        final String ReplacedThree = replace(ReplacedTwo, "<br>", "");
        // if(LOGGER.isDebugEnabled()) LOGGER.debug("Replaced2:"+ReplacedThree);
        return ReplacedThree;
    }
}