Java String Split by Delimiter splitString(String toSplit, String delimiter)

Description

Split a String at the first occurrence of the delimiter.

License

Open Source License

Parameter

Parameter	Description
toSplit	the string to split
delimiter	to split the string up with

Return

a two element array with index 0 being before the delimiter, and index 1 being after the delimiter (neither element includes the delimiter); or null if the delimiter wasn't found in the given input String

Declaration

public static List<String> splitString(String toSplit, String delimiter)

Method Source Code


//package com.java2s;
//License from project: Open Source License 

import java.util.*;

public class Main {
    /**//from  ww w . j  a v  a  2  s . c om
     * Split a String at the first occurrence of the delimiter.
     * Does not include the delimiter in the result.
     * @param toSplit the string to split
     * @param delimiter to split the string up with
     * @return a two element array with index 0 being before the delimiter, and
     * index 1 being after the delimiter (neither element includes the delimiter);
     * or <code>null</code> if the delimiter wasn't found in the given input String
     */
    public static List<String> splitString(String toSplit, String delimiter) {
        if (!hasLength(toSplit) || !hasLength(delimiter)) {
            return Collections.emptyList();
        }

        return Arrays.asList(toSplit.split(delimiter));
    }

    /**
     * Check that the given CharSequence is neither <code>null</code> nor of length 0.
     * Note: Will return <code>true</code> for a CharSequence that purely consists of whitespace.
     * <p><pre>
     * StringUtils.hasLength(null) = false
     * StringUtils.hasLength("") = false
     * StringUtils.hasLength(" ") = true
     * StringUtils.hasLength("Hello") = true
     * </pre>
     * @param str the CharSequence to check (may be <code>null</code>)
     * @return <code>true</code> if the CharSequence is not null and has length
     */
    public static boolean hasLength(CharSequence str) {
        return (str != null && str.length() > 0);
    }
}