Package org.pipservices3.commons.validate

Class ObjectComparator

java.lang.Object

org.pipservices3.commons.validate.ObjectComparator

public class ObjectComparator
extends Object

Helper class to perform comparison operations over arbitrary values.

### Example ###

 
 ObjectComparator.compare(2, "GT", 1);        // Result: true
 ObjectComparator.areEqual("A", "B");         // Result: false
 
 

Constructor Summary

Constructors

Constructor	Description
ObjectComparator()

Method Summary

Modifier and Type	Method	Description
static boolean	areEqual(Object value1, Object value2)	Checks if two values are equal.
static boolean	areNotEqual(Object value1, Object value2)	Checks if two values are NOT equal The operation can be performed over values of any type.
static boolean	compare(Object value1, String operation, Object value2)	Perform comparison operation over two arguments.
static boolean	less(Object value1, Object value2)	Checks if first value is less than the second one.
static boolean	match(Object value1, Object value2)	Checks if string matches a regular expression
static boolean	more(Object value1, Object value2)	Checks if first value is greater than the second one.

Methods inherited from class java.lang.Object

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

Constructor Details

ObjectComparator

public ObjectComparator()

Method Details

compare

public static boolean compare(Object value1,
 String operation,
 Object value2)

Perform comparison operation over two arguments. The operation can be performed over values of any type.

Parameters:

value1 - the first argument to compare

operation - the comparison operation

value2 - the second argument to compare

Returns:

result of the comparison operation

areEqual

public static boolean areEqual(Object value1,
 Object value2)

Checks if two values are equal. The operation can be performed over values of any type.

Parameters:

value1 - the first value to compare

value2 - the second value to compare

Returns:

true if values are equal and false otherwise

areNotEqual

public static boolean areNotEqual(Object value1,
 Object value2)

Checks if two values are NOT equal The operation can be performed over values of any type.

Parameters:

value1 - the first value to compare

value2 - the second value to compare

Returns:

true if values are NOT equal and false otherwise

less

public static boolean less(Object value1,
 Object value2)

Checks if first value is less than the second one. The operation can be performed over numbers or strings.

Parameters:

value1 - the first value to compare

value2 - the second value to compare

Returns:

true if the first value is less than second and false otherwise.

more

public static boolean more(Object value1,
 Object value2)

Checks if first value is greater than the second one. The operation can be performed over numbers or strings.

Parameters:

value1 - the first value to compare

value2 - the second value to compare

Returns:

true if the first value is greater than second and false otherwise.

match

public static boolean match(Object value1,
 Object value2)

Checks if string matches a regular expression

Parameters:

value1 - a string value to match

value2 - a regular expression string

Returns:

true if the value matches regular expression and false otherwise.