Class AssertValue

java.lang.Object

org.ek9lang.core.AssertValue

public class AssertValue
extends Object

Used as simple one-liners to check a value and issue an illegal argument exception if empty.

Method Summary

Modifier and Type	Method	Description
static void	checkCanReadFile(String messageIfNoRead, File file)	Check file not null valid and file can be read.
static void	checkCanReadFile(String messageIfNoRead, String fileName)	Check filename valid and file can be read.
static void	checkDirectoryReadable(String messageIfNoRead, File dir)	Check directory name valid and directory can be read.
static void	checkDirectoryReadable(String messageIfNoRead, String directoryName)	Check directory name valid and directory can be read.
static void	checkDirectoryWritable(String messageIfNoWrite, File dir)	Check directory name valid and directory can be written to.
static void	checkDirectoryWritable(String messageIfNoWrite, String directoryName)	Check directory name valid and directory can be written to.
static void	checkFalse(String messageIfTrue, boolean value)	Asserts that the value is false, illegal argument exception if not.
static void	checkNotEmpty(String messageIfEmpty, String valueToCheck)	Checks if a string value is null or an empty string and if so issues an illegal argument exception.
static void	checkNotEmpty(String messageIfEmpty, String[] valuesToCheck)	Checks if a string values is null or empty strings and if so issues an illegal argument exception.
static void	checkNotEmpty(String messageIfEmpty, Collection<?> items)	Checks if a collection of items is null or empty and if so issues an illegal argument exception.
static void	checkNotEmpty(String messageIfEmpty, Optional<?> item)	Check item not null and not empty.
static void	checkNotNull(String messageIfNull, Object valueToCheck)	Not null of exception error.
static void	checkRange(String messageIfOutside, Integer valueToCheck, Integer min, Integer max)	A check on range of value.
static void	checkTrue(String messageIfFalse, boolean value)	Assets that a value is true or illegal argument exception.
static void	fail(String withMessage)	Just trigger a direct failure.

Methods inherited from class Object

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

Method Details

checkRange

public static void checkRange(String messageIfOutside,
 Integer valueToCheck,
 Integer min,
 Integer max)

A check on range of value.

checkNotNull

public static void checkNotNull(String messageIfNull,
 Object valueToCheck)

Not null of exception error.

checkCanReadFile

public static void checkCanReadFile(String messageIfNoRead,
 String fileName)

Check filename valid and file can be read.

checkCanReadFile

public static void checkCanReadFile(String messageIfNoRead,
 File file)

Check file not null valid and file can be read.

checkDirectoryReadable

public static void checkDirectoryReadable(String messageIfNoRead,
 String directoryName)

Check directory name valid and directory can be read.

checkDirectoryReadable

public static void checkDirectoryReadable(String messageIfNoRead,
 File dir)

Check directory name valid and directory can be read.

checkDirectoryWritable

public static void checkDirectoryWritable(String messageIfNoWrite,
 String directoryName)

Check directory name valid and directory can be written to.

checkDirectoryWritable

public static void checkDirectoryWritable(String messageIfNoWrite,
 File dir)

Check directory name valid and directory can be written to.

checkNotEmpty

public static void checkNotEmpty(String messageIfEmpty,
 Optional<?> item)

Check item not null and not empty.

checkNotEmpty

public static void checkNotEmpty(String messageIfEmpty,
 String valueToCheck)

Checks if a string value is null or an empty string and if so issues an illegal argument exception.

Parameters:

valueToCheck - The value to check.

checkNotEmpty

public static void checkNotEmpty(String messageIfEmpty,
 String[] valuesToCheck)

Checks if a string values is null or empty strings and if so issues an illegal argument exception.

Parameters:

valuesToCheck - The values to check.

checkNotEmpty

public static void checkNotEmpty(String messageIfEmpty,
 Collection<?> items)

Checks if a collection of items is null or empty and if so issues an illegal argument exception.

Parameters:

items - The values to check.

checkTrue

public static void checkTrue(String messageIfFalse,
 boolean value)

Assets that a value is true or illegal argument exception.

checkFalse

public static void checkFalse(String messageIfTrue,
 boolean value)

Asserts that the value is false, illegal argument exception if not.

fail

public static void fail(String withMessage)

Just trigger a direct failure.

Parameters:

withMessage - The message to issue.