us.fatehi.utility

Class Utility

java.lang.Object

us.fatehi.utility.Utility

@UtilityMarker
public final class Utility
extends Object

Method Summary

Modifier and Type	Method and Description
static String	commonPrefix(String string1, String string2)
static String	convertForComparison(String text) Roughly converts database object names so that they can be compared with others in a case-insensitive way.
static boolean	hasNoUpperCase(String text) Checks if the text is all lowercase.
static boolean	isBlank(CharSequence text) Checks if the text is null or empty.
static boolean	isClassAvailable(String className) Checks if a class is available on the classpath.
static boolean	isIntegral(CharSequence text) Checks if the text contains an integer only.
static String	join(Collection<String> collection, String separator)
static String	join(Map<?,?> map, String separator)
static String	requireNotBlank(String text, String message) Checks if the text is null or empty, and throws an exception if it is.
static String	stripEnd(String text)
static String	stripStart(String text)
static String	toSnakeCase(String identifier)
static String	trimToEmpty(String text)

Methods inherited from class java.lang.Object

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

Method Detail

commonPrefix

public static String commonPrefix(String string1,
                                  String string2)

convertForComparison

public static String convertForComparison(String text)

Roughly converts database object names so that they can be compared with others in a case-insensitive way. This code is not meant to "correct" from a Unicode perspective, but a quick and dirty way of stripping out quote characters, and lower-casing them for comparison.

Parameters:

text - Text to convert

Returns:

Text that can be compared

hasNoUpperCase

public static boolean hasNoUpperCase(String text)

Checks if the text is all lowercase.

Parameters:

text - Text to check.

Returns:

Whether the string is all lowercase.

isBlank

public static boolean isBlank(CharSequence text)

Checks if the text is null or empty.

Parameters:

text - Text to check.

Returns:

Whether the string is blank.

isClassAvailable

public static boolean isClassAvailable(String className)

Checks if a class is available on the classpath.

Parameters:

className - Class to check

Returns:

True if the class is available, false otherwise

isIntegral

public static boolean isIntegral(CharSequence text)

Checks if the text contains an integer only.

Parameters:

text - Text to check.

Returns:

Whether the string is an integer.

join

public static String join(Collection<String> collection,
                          String separator)

join

public static String join(Map<?,?> map,
                          String separator)

requireNotBlank

public static String requireNotBlank(String text,
                                     String message)

Checks if the text is null or empty, and throws an exception if it is.

Parameters:

text - Text to check.

Returns:

Provided string, if not blank.

Throws:

IllegalArgumentException - If the provided string is blank

stripEnd

public static String stripEnd(String text)

stripStart

public static String stripStart(String text)

toSnakeCase

public static String toSnakeCase(String identifier)

trimToEmpty

public static String trimToEmpty(String text)