Package com.indeed.proctor.common

Class LegacyTaglibFunctions

java.lang.Object

com.indeed.proctor.common.LegacyTaglibFunctions

public class LegacyTaglibFunctions
extends java.lang.Object

functions to be used within Proctor rules. Rules are null-safe and return non-null on any input

was:

JSTL Functions copied from org.apache.taglibs.standard.Functions, keep the above license statement to remain legal

Constructor Summary

Constructors

Constructor	Description
LegacyTaglibFunctions()

Method Summary

Modifier and Type	Method	Description
static boolean	contains(java.lang.String input, java.lang.String substring)	Tests if an input string contains the specified substring.
static boolean	containsIgnoreCase(java.lang.String input, java.lang.String substring)	Tests if an input string contains the specified substring in a case insensitive way.
static boolean	endsWith(java.lang.String input, java.lang.String substring)
static int	indexOf(java.lang.String input, java.lang.String substring)	Returns the index withing a string of the first occurrence of a specified substring.
static java.lang.String	join(java.lang.String[] array, java.lang.String separator)	Joins all elements of an array into a string.
static int	length(java.lang.Object obj)
static java.lang.String	replace(java.lang.String input, java.lang.String substringBefore, java.lang.String substringAfter)
static java.lang.String[]	split(java.lang.String input, java.lang.String delimiters)	Splits a string into an array of substrings.
static boolean	startsWith(java.lang.String input, java.lang.String substring)
static java.lang.String	substring(java.lang.String input, int beginIndex, int endIndex)	substring("foobarbaz", 3, 6)).isEqualTo("bar")
static java.lang.String	substringAfter(java.lang.String input, java.lang.String substring)
static java.lang.String	substringBefore(java.lang.String input, java.lang.String substring)
static java.lang.String	toLowerCase(java.lang.String input)	Converts all of the characters of the input string to lower case.
static java.lang.String	toUpperCase(java.lang.String input)	Converts all of the characters of the input string to upper case.
static java.lang.String	trim(java.lang.String input)	Removes white spaces from both ends of a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

LegacyTaglibFunctions

public LegacyTaglibFunctions()

Method Detail

toUpperCase

public static java.lang.String toUpperCase(@Nullable
                                           java.lang.String input)

Converts all of the characters of the input string to upper case.

toLowerCase

public static java.lang.String toLowerCase(@Nullable
                                           java.lang.String input)

Converts all of the characters of the input string to lower case.

indexOf

public static int indexOf(@Nullable
                          java.lang.String input,
                          @Nullable
                          java.lang.String substring)

Returns the index withing a string of the first occurrence of a specified substring.

Returns:

0 if any argument is null, else index of first occurence, or -1

contains

public static boolean contains(@Nullable
                               java.lang.String input,
                               @Nullable
                               java.lang.String substring)

Tests if an input string contains the specified substring.

Returns:

true if any argument is null, else true if substring contained in input

containsIgnoreCase

public static boolean containsIgnoreCase(@Nullable
                                         java.lang.String input,
                                         @Nullable
                                         java.lang.String substring)

Tests if an input string contains the specified substring in a case insensitive way.

Returns:

true if any argument is null, else true if substring contained in input

startsWith

public static boolean startsWith(@Nullable
                                 java.lang.String input,
                                 @Nullable
                                 java.lang.String substring)

Returns:

true if any argument is null, else true if input starts with substring

endsWith

public static boolean endsWith(@Nullable
                               java.lang.String input,
                               @Nullable
                               java.lang.String substring)

Returns:

true if any argument is null, else true if input ends with substring

substring

public static java.lang.String substring(@Nullable
                                         java.lang.String input,
                                         int beginIndex,
                                         int endIndex)

substring("foobarbaz", 3, 6)).isEqualTo("bar")

Parameters:

beginIndex - inclusive

endIndex - exclusive, negative index means infinite

Returns:

substring after normalizing arguments, empty string if input is null

substringAfter

public static java.lang.String substringAfter(@Nullable
                                              java.lang.String input,
                                              @Nullable
                                              java.lang.String substring)

Parameters:

input - if null, empty string is returned

substring - if null, input string is returned

Returns:

a subset of a string before a specific substring.

substringBefore

public static java.lang.String substringBefore(@Nullable
                                               java.lang.String input,
                                               @Nullable
                                               java.lang.String substring)

Parameters:

input - if null, empty string is returned

substring - if null, input string is returned

Returns:

arguments is null a subset of a string following a specific substring.

trim

public static java.lang.String trim(@Nullable
                                    java.lang.String input)

Removes white spaces from both ends of a string.

Returns:

empty string if input is null, trimmed else

replace

public static java.lang.String replace(@Nullable
                                       java.lang.String input,
                                       @Nullable
                                       java.lang.String substringBefore,
                                       java.lang.String substringAfter)

Parameters:

substringBefore - if empty, input string is returned unchanged

Returns:

a string resulting from replacing in an input string all occurrences of a non-empty "before" string into an "after" substring.

split

public static java.lang.String[] split(@Nullable
                                       java.lang.String input,
                                       @Nullable
                                       java.lang.String delimiters)

Splits a string into an array of substrings.

Parameters:

delimiters - "" if null

Returns:

[""] when input is null

length

public static int length(@Nullable
                         java.lang.Object obj)

Returns:

the number of items in a collection, or the number of characters in a string.

join

public static java.lang.String join(@Nullable
                                    java.lang.String[] array,
                                    @Nullable
                                    java.lang.String separator)

Joins all elements of an array into a string.

Returns:

empty string if input is null