com.rivescript.util

Class StringUtils

java.lang.Object

com.rivescript.util.StringUtils

public class StringUtils
extends java.lang.Object

Miscellaneous String utility methods.

Author:

Noah Petherbridge, Marcel Overdijk

Constructor Summary

Constructors

Constructor and Description
StringUtils()

Method Summary

Modifier and Type	Method and Description
static int	countWords(java.lang.String str, boolean all) Counts the number of words in a String.
static java.lang.String	join(java.lang.String[] array, java.lang.String delimiter) Joins a String array into a single String.
static java.lang.String	quoteMetacharacters(java.lang.String str) Escapes a String for use in a regular expression.
static java.lang.String	stripNasties(java.lang.String str) Strips special characters out of a String.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtils

public StringUtils()

Method Detail

countWords

public static int countWords(java.lang.String str,
                             boolean all)

Counts the number of words in a String.

Parameters:

str - the string to count

all - count all

Returns:

the number of words

join

public static java.lang.String join(java.lang.String[] array,
                                    java.lang.String delimiter)

Joins a String array into a single String.

Parameters:

array - the array to join

delimiter - the delimiter character to use, null is treated as ""

quoteMetacharacters

public static java.lang.String quoteMetacharacters(java.lang.String str)

Escapes a String for use in a regular expression.

Parameters:

str - the string to escape

Returns:

the escaped string

stripNasties

public static java.lang.String stripNasties(java.lang.String str)

Strips special characters out of a String.

Parameters:

str - the string to strip

Returns:

the stripped string

See Also:

Regexp.RE_NASTIES