Java Collection Join joinEmptyItemIncluded(Collection stringCollection, String delimiter)

Description

join Empty Item Included

License

BSD License

Declaration

public static String joinEmptyItemIncluded(Collection<String> stringCollection, String delimiter) 

Method Source Code

//package com.java2s;
/*L/* w  ww .j a v  a 2  s  .  co  m*/
 *  Copyright SAIC
 *  Copyright SAIC-Frederick
 *
 *  Distributed under the OSI-approved BSD 3-Clause License.
 *  See http://ncip.github.com/cananolab/LICENSE.txt for details.
 */

import java.util.Collection;
import java.util.Iterator;

public class Main {
    public static String joinEmptyItemIncluded(Collection<String> stringCollection, String delimiter) {
        StringBuffer buffer = new StringBuffer();
        if (stringCollection == null || stringCollection.isEmpty()) {
            return "";
        }

        Iterator iter = stringCollection.iterator();
        while (iter.hasNext()) {
            String item = (String) iter.next();
            if (item == null)
                item = "";
            buffer.append(item);
            if (iter.hasNext()) {
                buffer.append(delimiter);
            }
        }
        return buffer.toString();
    }

    /**
     * Return true for Null or empty string, false otherwise.
     */
    public static boolean isEmpty(String str) {
        return (str == null || str.trim().length() == 0);
    }
}

Related

1. joinCollection(Collection collection, char delimiter)
2. joinCollection(Collection a)
3. joinCollections(final Collection target, final Collection... collections)
4. joinCollectionToString(Collection list, String str)
5. joinCommaDelimitedList(Collection list)
6. joinList(@SuppressWarnings("rawtypes") Collection c)
7. joinNullSafe(Collection collection, String separator)
8. joinObjects(Collection