oracle.adfnmc.java.lang
Class StringHelper

java.lang.Object
  oracle.adfnmc.java.lang.StringHelper

public class StringHelper
extends java.lang.Object

Constructor Summary

StringHelper()

Method Summary

static int	compareToIgnoreCase(java.lang.String strA, java.lang.String strB)
static boolean	contains(java.lang.String s, java.lang.String cs) Determines if this String contains the sequence of characters in the CharSequence passed.
static int	lastIndexOf(java.lang.String haystack, java.lang.String needle) Searches in this String for the last index of the specified string.
static int	lastIndexOf(java.lang.String haystack, java.lang.String subString, int start) Searches in this String for the index of the specified string.
static java.lang.String	replaceAll(java.lang.String s1, java.lang.String expr, java.lang.String substitute) Replace any substrings within this String that match the supplied regular expression expr, with the String substitute.
static java.lang.String[]	split(java.lang.String stringToSplit, java.lang.String expr) Replace any substrings within this String that match the supplied regular expression expr, with the String substitute.
static java.lang.String[]	split(java.lang.String stringToSplit, java.lang.String expr, int max) Splits this String using the supplied regular expression expr.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringHelper

public StringHelper()

Method Detail

lastIndexOf

public static int lastIndexOf(java.lang.String haystack,
                              java.lang.String needle)

Searches in this String for the last index of the specified string. The search for the string starts at the end and moves towards the beginning of this String.

Parameters:

string - the string to find

Returns:

the index in this String of the specified string, -1 if the string isn't found

Throws:

java.lang.NullPointerException - when string is null

See Also:

#lastIndexOf(int), #lastIndexOf(int, int), #lastIndexOf(String), #lastIndexOf(String, int)

lastIndexOf

public static int lastIndexOf(java.lang.String haystack,
                              java.lang.String subString,
                              int start)

Searches in this String for the index of the specified string. The search for the string starts at the specified offset and moves towards the beginning of this String.

Parameters:

subString - the string to find

start - the starting offset

Returns:

the index in this String of the specified string, -1 if the string isn't found

Throws:

java.lang.NullPointerException - when string is null

See Also:

#lastIndexOf(int), #lastIndexOf(int, int), #lastIndexOf(String), #lastIndexOf(String, int)

split

public static java.lang.String[] split(java.lang.String stringToSplit,
                                       java.lang.String expr)

Replace any substrings within this String that match the supplied regular expression expr, with the String substitute.

Parameters:

expr - the regular expression to match

Returns:

the new string

Throws:

java.lang.NullPointerException - if expr is null

Since:

1.4

split

public static java.lang.String[] split(java.lang.String stringToSplit,
                                       java.lang.String expr,
                                       int max)

Splits this String using the supplied regular expression expr. max controls the number of times that the pattern is applied to the string.

Parameters:

expr - the regular expression used to divide the string

max - the number of times to apply the pattern

Returns:

an array of Strings created by separating the string along matches of the regular expression.

Throws:

java.lang.NullPointerException - if expr is null

Since:

1.4

replaceAll

public static java.lang.String replaceAll(java.lang.String s1,
                                          java.lang.String expr,
                                          java.lang.String substitute)

Replace any substrings within this String that match the supplied regular expression expr, with the String substitute.

Parameters:

expr - the regular expression to match

substitute - the string to replace the matching substring with

Returns:

the new string

Throws:

java.lang.NullPointerException - if expr is null

Since:

1.4

contains

public static boolean contains(java.lang.String s,
                               java.lang.String cs)

Determines if this String contains the sequence of characters in the CharSequence passed.

Parameters:

cs - The character sequence to search for.

Returns:

true if the sequence of characters are contained in this object; otherwise false

Since:

1.5

compareToIgnoreCase

public static int compareToIgnoreCase(java.lang.String strA,
                                      java.lang.String strB)