/*
* LingPipe v. 3.9
* Copyright (C) 2003-2010 Alias-i
*
* This program is licensed under the Alias-i Royalty Free License
* Version 1 WITHOUT ANY WARRANTY, without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Alias-i
* Royalty Free License Version 1 for more details.
*
* You should have received a copy of the Alias-i Royalty Free License
* Version 1 along with this program; if not, visit
* http://alias-i.com/lingpipe/licenses/lingpipe-license-1.txt or contact
* Alias-i, Inc. at 181 North 11th Street, Suite 401, Brooklyn, NY 11211,
* +1 (718) 290-9170.
*/
//package com.aliasi.util;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.text.DecimalFormat;
/**
* Static utility methods for processing strings, characters and
* string buffers.
*
* @author Bob Carpenter
* @version 4.0.1
* @since LingPipe1.0
* @see java.lang.Character
* @see java.lang.String
* @see java.lang.StringBuilder
*/
public class Strings {
/**
* Returns an array of substrings of the specified string,
* in order, with divisions before and after any instance
* of the specified character. The returned array will always
* have at least one element. Elements in the returned array
* may be empty. The following examples illustrate this behavior:
*
*
*
* CallResult
*
* split("",' ')
* { "" }
*
*
* split("a",' ')
* { "a" }
*
*
* split("a b",' ')
* { "a", "b" }
*
*
* split("aaa bb cccc",' ')
* { "aaa", "bb", "cccc" }
*
*
* split(" a",' ')
* { "", "a" }
*
*
* split("a ",' ')
* { "a", "" }
*
*
* split(" a ",' ')
* { "", "a", "" }
*
*
*
* @param s String to split.
* @param c Character on which to split the string.
* @return The array of substrings resulting from splitting the
* specified string on the specified character.
*/
public static String[] split(String s, char c) {
char[] cs = s.toCharArray();
int tokCount = 1;
for (int i = 0; i < cs.length; ++i)
if (cs[i] == c) ++tokCount;
String[] result = new String[tokCount];
int tokIndex = 0;
int start = 0;
for (int end = 0; end < cs.length; ++end) {
if (cs[end] == c) {
result[tokIndex] = new String(cs,start,end-start);
++tokIndex;
start = end+1;
}
}
result[tokIndex] = new String(cs,start,cs.length-start);
return result;
}
}