Java List Merge merge(final List list, final String seperator)

Description

Merge all strings into a single string with the delimiter in between the items Can be seen as the reverse of a string splitter

License

Apache License

Parameter

Parameter	Description
list	a parameter
seperator	a parameter

Declaration

public static String merge(final List<String> list, final String seperator) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2015 DANS - Data Archiving and Networked Services
 * //from  w  ww  .  ja  v a  2s . com
 * 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.
 ******************************************************************************/

import java.util.List;

public class Main {
    /**
     * Merge all strings into a single string with the delimiter in between the items
     * Can be seen as the reverse of a string splitter
     *
     * @param list
     * @param seperator
     * @return
     */
    public static String merge(final List<String> list, final String seperator) {
        if (list == null)
            return "";

        StringBuilder sb = new StringBuilder();
        for (String item : list) {
            // skip empty strings
            if (item.length() == 0)
                continue;

            if (sb.length() > 0)
                sb.append(seperator); // not so efficient
            sb.append(item);
        }
        return sb.toString();
    }
}

Related

1. getMergedLines(List strings)
2. getMergedSpeakerList()
3. getMergeindexes(List spans, List indexes)
4. mapMergeAdd(Map> map, Map> mapToAdd)
5. merge(final List> listOfLists)
6. merge(final List a, final List b)
7. merge(final List aList, final List bList)
8. merge(final String[] input, final String[] list)
9. merge(List original, List merger)