opennlp.tools.util
Class StringUtil

java.lang.Object
  opennlp.tools.util.StringUtil

public class StringUtil
extends Object

Constructor Summary

StringUtil()

Method Summary

static boolean	isWhitespace(char charCode) Determines if the specified character is a whitespace.
static boolean	isWhitespace(int charCode) Determines if the specified character is a whitespace.
static String	toLowerCase(CharSequence string) Converts to lower case independent of the current locale via Character.toLowerCase(char) which uses mapping information from the UnicodeData file.
static String	toUpperCase(CharSequence string) Converts to upper case independent of the current locale via Character.toUpperCase(char) which uses mapping information from the UnicodeData file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StringUtil

public StringUtil()

Method Detail

isWhitespace

public static boolean isWhitespace(char charCode)

Determines if the specified character is a whitespace. A character is considered a whitespace when one of the following conditions is meet:

• Its a Character.isWhitespace(int) whitespace.
• Its a part of the Unicode Zs category (Character.SPACE_SEPARATOR).

Character.isWhitespace(int) does not include no-break spaces. In OpenNLP no-break spaces are also considered as white spaces.

Parameters:

charCode -

Returns:

true if white space otherwise false

isWhitespace

public static boolean isWhitespace(int charCode)

Determines if the specified character is a whitespace. A character is considered a whitespace when one of the following conditions is meet:

• Its a Character.isWhitespace(int) whitespace.
• Its a part of the Unicode Zs category (Character.SPACE_SEPARATOR).

Character.isWhitespace(int) does not include no-break spaces. In OpenNLP no-break spaces are also considered as white spaces.

Parameters:

charCode -

Returns:

true if white space otherwise false

toLowerCase

public static String toLowerCase(CharSequence string)

Converts to lower case independent of the current locale via Character.toLowerCase(char) which uses mapping information from the UnicodeData file.

Parameters:

string -

Returns:

lower cased String

toUpperCase

public static String toUpperCase(CharSequence string)

Converts to upper case independent of the current locale via Character.toUpperCase(char) which uses mapping information from the UnicodeData file.

Parameters:

string -

Returns:

upper cased String