Java List Trim splitAndTrimCSVToList(String csv)

Description

Return a List (never null) created from the csv string.

License

Educational Community License

Declaration

public static final List<String> splitAndTrimCSVToList(String csv) 

Method Source Code

//package com.java2s;
/**//www .ja  v  a2  s  . c o  m
 * Copyright 2011-2013 The Kuali Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
 *
 * 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.ArrayList;

import java.util.Collections;
import java.util.List;

public class Main {
    public static final String COMMA = ",";
    public static final String EMPTY_STRING = "";

    /**
     * Return a List (never null) created from the csv string. Each csv token is trimmed before being added to the List.
     * If the csv string is null or contains only whitespace an empty list is returned.
     */
    public static final List<String> splitAndTrimCSVToList(String csv) {
        if (isBlank(csv)) {
            return Collections.emptyList();
        }
        String[] tokens = csv.split(COMMA);
        List<String> list = new ArrayList<String>();
        for (String token : tokens) {
            list.add(token.trim());
        }
        return list;
    }

    /**
     * True if the string is null or whitespace only, false otherwise
     */
    public static final boolean isBlank(String s) {
        return s == null || s.trim().equals(EMPTY_STRING);
    }
}

Related

1. addTrimmed(StringBuffer stringbuffer, java.util.List list, int i)
2. addTrimString(List aStringList, String aString)
3. formatSampleText(final List lines, final int maxTrim)
4. getTrimmedList(List listA)
5. splitAsList(String source, char delimiter, boolean trim)
6. stringToListTrim(String str, char delimiter)
7. toDelimitedString(List values, String delimiter, boolean trimValues)
8. tokenizeAndTrimToList(String value, String delimiter)