Java Map to String mapToString(Map criteria)

Description

Create a string representation of Map.

License

Open Source License

Parameter

Parameter	Description
criteria	a parameter

Return

converted string

Declaration

public static String mapToString(Map<String, String> criteria) 

Method Source Code

//package com.java2s;
/**/*from w w  w . j a  v  a2 s. c om*/
 * Copyright 2014 Comcast Cable Communications Management, LLC
 *
 * This file is part of CATS.
 *
 * CATS 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.
 *
 * CATS 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 CATS.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

public class Main {
    /**
     * Create a string representation of Map. => ['key':'value','key':'value'].
     * 
     * @param criteria
     * @return converted string
     */
    public static String mapToString(Map<String, String> criteria) {
        StringBuilder criteriaMapStr = new StringBuilder();

        if ((null == criteria) || (criteria.isEmpty())) {
            criteriaMapStr.append("[]");
        } else {
            Iterator<Entry<String, String>> iterator = criteria.entrySet().iterator();
            Entry<String, String> entry;

            criteriaMapStr.append("[");
            while (iterator.hasNext()) {
                entry = iterator.next();
                criteriaMapStr.append("'").append(entry.getKey()).append("':'").append(entry.getValue())
                        .append("',");
            }
            criteriaMapStr.deleteCharAt(criteriaMapStr.lastIndexOf(","));
            criteriaMapStr.append("]");
        }
        return criteriaMapStr.toString();
    }
}

Related

1. mapToString(Map map)
2. mapToString(Map map)
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