nl.nn.adapterframework.util

Class StringUtil

java.lang.Object

nl.nn.adapterframework.util.StringUtil

public class StringUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
StringUtil()

Method Summary

Modifier and Type	Method and Description
static String	concat(String separator, String... parts)
static String	concatStrings(String part1, String separator, String part2) Concatenates two strings, if specified, uses the separator in between two strings.
static int	countRegex(String string, String regex) Counts the number of characters that the specified regexes will affect in the specified string.
static String	hide(String string)
static String	hide(String string, int mode) Hides the string based on the mode given.
static String	hideAll(String message, Collection<String> collection) Hide all characters matching the given Regular Expression.
static String	hideAll(String message, Collection<String> collection, int mode) Hide all characters matching the given Regular Expression.
static String	hideAll(String inputString, String regex)
static String	hideAll(String inputString, String regex, int mode) Hides the input string according to the given regex and mode.
static String	hideFirstHalf(String inputString, String regex) Hides the first half of the string.
static String	lcFirst(String input) Turns the first Char into lower case.
static String	safeCollectionToString(Collection<?> collection)
static List<String>	split(String input) Splits a string into a list of substrings using default delimiter ','.
static List<String>	split(String input, String delim) Splits a string into an array of substrings using specified delimiters.
static Stream<String>	splitToStream(String input) Splits a string into a stream of substrings using default delimiter ','.
static Stream<String>	splitToStream(String input, String delim) Splits a string into a stream of substrings using specified delimiters.
static String	ucFirst(String input) Turns the first Char into upper case.

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

concatStrings

public static String concatStrings(String part1,
                                   String separator,
                                   String part2)

Concatenates two strings, if specified, uses the separator in between two strings. Does not use any separators if both or one of the strings are empty.

Example:

         String a = "We";
         String b = "Frank";
         String separator = "Are";
         String res = StringUtil.concatStrings(a, separator, b);
         System.out.println(res); // prints "WeAreFrank"
     

Parameters:

part1 - First string

separator - Specified separator

part2 - Second string

Returns:

the concatenated string

concat

public static String concat(String separator,
                            String... parts)

hide

public static String hide(String string)

Returns:

hidden string with all characters replaced with '*'

See Also:

hide(String)

hide

public static String hide(String string,
                          int mode)

Hides the string based on the mode given. Mode 1 hides starting from the second character of the string until, excluding, the last character.

Example:

         String a = "test";
         String res = StringUtil.hide(a, 1);
         System.out.println(res) // prints "t**t"
     

hideFirstHalf

public static String hideFirstHalf(String inputString,
                                   String regex)

Hides the first half of the string.

See Also:

hideAll(String, String, int)

hideAll

public static String hideAll(String message,
                             Collection<String> collection)

Hide all characters matching the given Regular Expression. If the set of expressions is null or empty it will return the raw message.

See Also:

hideAll(String, Collection, int)

hideAll

public static String hideAll(String message,
                             Collection<String> collection,
                             int mode)

Hide all characters matching the given Regular Expression. If the set of expressions is null or empty it will return the raw message

See Also:

hideAll(String, String, int)

hideAll

public static String hideAll(String inputString,
                             String regex)

See Also:

hideAll(String, String, int)

hideAll

public static String hideAll(String inputString,
                             String regex,
                             int mode)

Hides the input string according to the given regex and mode. If mode is set to 1, then the first half of the string gets hidden. Else, all of it.

countRegex

public static int countRegex(String string,
                             String regex)

Counts the number of characters that the specified regexes will affect in the specified string.

     String s = "12ab34";
     String regex = "\\d";
     int regexCount = StringUtil.countRegex(s, regex); // regexCount gives out 4
 

lcFirst

public static String lcFirst(String input)

Turns the first Char into lower case.

ucFirst

public static String ucFirst(String input)

Turns the first Char into upper case.

safeCollectionToString

public static String safeCollectionToString(Collection<?> collection)

split

@Nonnull
public static List<String> split(@Nullable
                                          String input)

Splits a string into a list of substrings using default delimiter ','. Spaces before or after separators, and any leading trailing spaces, are trimmed from the result.

Parameters:

input - the string to split, can be null.

Returns:

a List of strings. An empty list if the input was null.

splitToStream

@Nonnull
public static Stream<String> splitToStream(@Nullable
                                                    String input)

Splits a string into a stream of substrings using default delimiter ','. Spaces before or after separators, and any leading trailing spaces, are trimmed from the result.

Parameters:

input - the string to split, can be null.

Returns:

a Stream of strings. An empty stream if the input was null.

split

@Nonnull
public static List<String> split(@Nullable
                                          String input,
                                          @Nonnull
                                          String delim)

Splits a string into an array of substrings using specified delimiters. Spaces before or after separators, and any leading trailing spaces, are trimmed from the result.

Parameters:

input - the string to split, can be null.

delim - the delimiters to split the string by

Returns:

a List of strings. An empty list if the input was null.

splitToStream

@Nonnull
public static Stream<String> splitToStream(@Nullable
                                                    String input,
                                                    @Nonnull
                                                    String delim)

Splits a string into a stream of substrings using specified delimiters. Spaces before or after separators, and any leading trailing spaces, are trimmed from the result.

Parameters:

input - the string to split, can be null.

delim - the delimiters to split the string by

Returns:

a Stream of strings. An empty stream if the input was null.