com.github.hypfvieh.util

Class CompareUtil

java.lang.Object

com.github.hypfvieh.util.CompareUtil

public class CompareUtil
extends Object

Author:

hypfvieh

Method Summary

Modifier and Type	Method and Description
static boolean	equalsOne(Object _obj, Object... _arrObj) Returns true if the specified object equals at least one of the specified other objects.
static <T> T	ifFalse(boolean _b, T _t)
static <T> T	ifTrue(boolean _b, T _t) Returns the second parameter if the condition is true or null if the condition is false.
static String	isAnyFileMissing(File... _files) Checks if any of the passed in files are non-existing.
static boolean	isAnyNull(Object... _objects) Checks if any of the passed in objects is null.
static boolean	mapContainsKeys(Map<?,?> _map, Object... _keys) Checks whether a map contains all of the specified keys.
static boolean	startsWithAny(String _str, String... _startStrings) Checks if given String starts with any of the other given parameters.
static void	throwIfAnyNull(String _errMsg, Object... _objects)

Methods inherited from class java.lang.Object

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

Method Detail

isAnyNull

public static boolean isAnyNull(Object... _objects)

Checks if any of the passed in objects is null.

Parameters:

_objects - array of objects, may be null

Returns:

true if null found, false otherwise

throwIfAnyNull

public static void throwIfAnyNull(String _errMsg,
                                  Object... _objects)

isAnyFileMissing

public static String isAnyFileMissing(File... _files)

Checks if any of the passed in files are non-existing.

Parameters:

_files - array of files

Returns:

the filename of the missing file, otherwise returns null.

ifTrue

public static <T> T ifTrue(boolean _b,
                           T _t)

Returns the second parameter if the condition is true or null if the condition is false. Returns empty string instead of null for implementors of CharSequence.

Parameters:

_b - condition

_t - object

Returns:

object or null

ifFalse

public static <T> T ifFalse(boolean _b,
                            T _t)

equalsOne

public static boolean equalsOne(Object _obj,
                                Object... _arrObj)

Returns true if the specified object equals at least one of the specified other objects.

Parameters:

_obj - object

_arrObj - array of objects to compare to

Returns:

true if equal, false otherwise or if either parameter is null

mapContainsKeys

public static boolean mapContainsKeys(Map<?,?> _map,
                                      Object... _keys)

Checks whether a map contains all of the specified keys.

Parameters:

_map - map

_keys - one or more keys

Returns:

true if all keys found in map, false otherwise

startsWithAny

public static boolean startsWithAny(String _str,
                                    String... _startStrings)

Checks if given String starts with any of the other given parameters.

Parameters:

_str - string to check

_startStrings - start strings to compare

Returns:

true if any match, false otherwise