de.florianmichael.rclasses.common

Class StringUtils

java.lang.Object

de.florianmichael.rclasses.common.StringUtils

public class StringUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.List<java.lang.String>	ESCAPED_CHARACTERS
static java.lang.String	LOWER_CHARS
static java.lang.String	NUMBER_CHARS
static java.lang.String	SPECIAL_CHARS
static java.lang.String	UPPER_CHARS

Constructor Summary

Constructors

Constructor and Description
StringUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	contains(java.lang.String string, java.lang.String sequence) Checks if a string contains another string, ignoring case sensitivity.
static boolean	endsWith(java.lang.String string, java.lang.String suffix) Checks if a string ends with another string, ignoring case sensitivity.
static java.lang.String	formatBytes(long value) Formats a value in bytes to a human-readable format
static java.lang.String	longestOf(java.util.List<java.lang.String> strings) Returns the longest string of the given strings
static java.lang.String	longestOf(java.lang.String... strings) Returns the longest string of the given strings
static int	maximumStringSize(int radix, long maxValue) Returns the size of the biggest possible string that can be used to encode a number within the given maximum value and radix.
static java.lang.String	normalizeEnumName(java.lang.String string) Normalizes the given enum name to a readable string (e.g.
static java.lang.String	replaceAll(java.lang.String string, java.lang.String sequence, java.lang.String replacement) Replaces all occurrences of a substring in a string, ignoring case sensitivity.
static java.lang.String	replaceLast(java.lang.String string, java.lang.String target, java.lang.String replacement) Replaces the last occurrence of a substring in a string with another substring.
static java.lang.String	reverse(java.lang.String string) Reverses the given string
static java.lang.String	smallestOf(java.util.List<java.lang.String> strings) Returns the smallest string of the given strings
static java.lang.String	smallestOf(java.lang.String... strings) Returns the smallest string of the given strings
static java.lang.String	space(int count) Generates a string of spaces
static boolean	startsWith(java.lang.String input, java.lang.String prefix) Checks if a string starts with another string, ignoring case sensitivity.
static java.lang.String	uppercaseFirst(java.lang.String string) Uppercase the first letter of the string.
static java.lang.String	whitespace(int count) Generates a string of whitespaces

Methods inherited from class java.lang.Object

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

Field Detail

UPPER_CHARS

public static final java.lang.String UPPER_CHARS

See Also:

Constant Field Values

LOWER_CHARS

public static final java.lang.String LOWER_CHARS

See Also:

Constant Field Values

SPECIAL_CHARS

public static final java.lang.String SPECIAL_CHARS

See Also:

Constant Field Values

NUMBER_CHARS

public static final java.lang.String NUMBER_CHARS

See Also:

Constant Field Values

ESCAPED_CHARACTERS

public static final java.util.List<java.lang.String> ESCAPED_CHARACTERS

Constructor Detail

StringUtils

public StringUtils()

Method Detail

formatBytes

public static java.lang.String formatBytes(long value)

Formats a value in bytes to a human-readable format

Parameters:

value - The raw value in bytes

Returns:

The formatted value in bytes

uppercaseFirst

public static java.lang.String uppercaseFirst(java.lang.String string)

Uppercase the first letter of the string.

Parameters:

string - The string to uppercase

Returns:

The uppercase string

reverse

public static java.lang.String reverse(java.lang.String string)

Reverses the given string

Parameters:

string - The string to reverse

Returns:

The reversed string

whitespace

public static java.lang.String whitespace(int count)

Generates a string of whitespaces

Parameters:

count - The count of whitespaces

Returns:

The generated string

space

public static java.lang.String space(int count)

Generates a string of spaces

Parameters:

count - The count of spaces

Returns:

The generated string

longestOf

public static java.lang.String longestOf(java.util.List<java.lang.String> strings)

Returns the longest string of the given strings

Parameters:

strings - The strings to check

Returns:

The longest string

longestOf

public static java.lang.String longestOf(java.lang.String... strings)

Returns the longest string of the given strings

Parameters:

strings - The strings to check

Returns:

The longest string

smallestOf

public static java.lang.String smallestOf(java.util.List<java.lang.String> strings)

Returns the smallest string of the given strings

Parameters:

strings - The strings to check

Returns:

The smallest string

smallestOf

public static java.lang.String smallestOf(java.lang.String... strings)

Returns the smallest string of the given strings

Parameters:

strings - The strings to check

Returns:

The smallest string

normalizeEnumName

public static java.lang.String normalizeEnumName(java.lang.String string)

Normalizes the given enum name to a readable string (e.g. "TEST_ENUM" becomes "Test enum"). This method is used to generate a readable name for the enum. "$" will be removed, "_" will be replaced with " ", and the first letter will be uppercase.

Parameters:

string - The name to normalize

Returns:

The normalized name

replaceLast

public static java.lang.String replaceLast(java.lang.String string,
                                           java.lang.String target,
                                           java.lang.String replacement)

Replaces the last occurrence of a substring in a string with another substring.

Parameters:

string - The input string.

target - The substring to be replaced.

replacement - The substring to replace the last occurrence of the target.

Returns:

The modified string with the last occurrence replaced.

replaceAll

public static java.lang.String replaceAll(java.lang.String string,
                                          java.lang.String sequence,
                                          java.lang.String replacement)

Replaces all occurrences of a substring in a string, ignoring case sensitivity.

Parameters:

string - The input string.

sequence - The substring to be replaced.

replacement - The substring to replace all occurrences of the target.

Returns:

The modified string with all occurrences replaced.

contains

public static boolean contains(java.lang.String string,
                               java.lang.String sequence)

Checks if a string contains another string, ignoring case sensitivity.

Parameters:

string - The input string.

sequence - The string to check for containment.

Returns:

True if the input string contains the target string (case-insensitive), otherwise false.

endsWith

public static boolean endsWith(java.lang.String string,
                               java.lang.String suffix)

Checks if a string ends with another string, ignoring case sensitivity.

Parameters:

string - The input string.

suffix - The string to check for at the end.

Returns:

True if the input string ends with the target string (case-insensitive), otherwise false.

startsWith

public static boolean startsWith(java.lang.String input,
                                 java.lang.String prefix)

Checks if a string starts with another string, ignoring case sensitivity.

Parameters:

input - The input string.

prefix - The string to check for at the beginning.

Returns:

True if the input string starts with the target string (case-insensitive), otherwise false.

maximumStringSize

public static int maximumStringSize(int radix,
                                    long maxValue)

Returns the size of the biggest possible string that can be used to encode a number within the given maximum value and radix.

Parameters:

radix - The radix (base) to be used for encoding the number. Must be greater than 1.

maxValue - The maximum value that needs to be encoded. Must be a non-negative integer.

Returns:

The size of the largest string needed to encode the number.