Package org.hawaiiframework.validation.field

Class FieldRejection<T>

java.lang.Object

org.hawaiiframework.validation.field.FieldRejection<T>

Type Parameters:

T - The type of the value to evaluate.

public class FieldRejection<T>
extends Object

Reject a field based on a few conditions.

For instance:

 new FieldRejection(validationResult, "houseNumber", "13-a")
         .whenNull()
         .orWhen(h -> h.contains("a"))
         .orWhen(h -> h.length() > 10);
 

If used with the ValidationResult class this will look like:

 validationResult.rejectField("houseNumber", "13-a")
         .whenNull()
         .orWhen(h -> h.contains("a'))
         .orWhen(h -> h.length() > 10);
 

The rejections without code parameters have the value invalid, except the whenNull(), this has the required code value.

The chain will stop evaluating the rejection clauses after the first matching clause. In the examples above the chain will not evaluate the length of the house number.

Author:

Rutger Lubbers

Field Summary

Fields

Modifier and Type	Field	Description
static String	INVALID
static String	REQUIRED

Constructor Summary

Constructors

Constructor	Description
FieldRejection(ValidationResult validationResult, String field, T actual)	Construct a new field rejection.

Method Summary

Modifier and Type	Method	Description
FieldRejection<T>	or()	Syntactic sugar, allows the use of or().when(...).or().when(...) syntaxis.
<R> FieldRejection<T>	or(Function<T,R> function, Matcher<R> matcher)	Rejects the field when the matcher matches the result of the function.
<R> FieldRejection<T>	or(Function<T,R> function, Matcher<R> matcher, String code)	Rejects the field when the matcher matches the result of the function.
FieldRejection<T>	or(Predicate<T> predicate)	Rejects the field when the predicate evaluates to true.
FieldRejection<T>	or(Predicate<T> predicate, String code)	Rejects the field when the predicate evaluates to true.
FieldRejection<T>	or(Matcher<T> matcher)	Rejects the field when the matcher matches the actual value.
FieldRejection<T>	or(Matcher<T> matcher, String code)	Rejects the field when the matcher matches the actual value.
<R> FieldRejection<T>	orWhen(Function<T,R> function, Matcher<R> matcher)	Rejects the field when the matcher matches the result of the function.
<R> FieldRejection<T>	orWhen(Function<T,R> function, Matcher<R> matcher, String code)	Rejects the field when the matcher matches the result of the function.
FieldRejection<T>	orWhen(Predicate<T> predicate)	Rejects the field when the predicate evaluates to true.
FieldRejection<T>	orWhen(Predicate<T> predicate, String code)	Rejects the field when the predicate evaluates to true.
FieldRejection<T>	orWhen(Matcher<T> matcher)	Rejects the field when the matcher matches the actual value.
FieldRejection<T>	orWhen(Matcher<T> matcher, String code)	Rejects the field when the matcher matches the actual value.
<R> FieldRejection<T>	when(Function<T,R> function, Matcher<R> matcher)	Rejects the field when the matcher matches the result of the function.
<R> FieldRejection<T>	when(Function<T,R> function, Matcher<R> matcher, String code)	Rejects the field when the matcher matches the result of the function.
FieldRejection<T>	when(Predicate<T> predicate)	Rejects the field when the predicate evaluates to true.
FieldRejection<T>	when(Predicate<T> predicate, String code)	Rejects the field when the predicate evaluates to true.
FieldRejection<T>	when(Matcher<T> matcher)	Rejects the field when the matcher matches the actual value.
FieldRejection<T>	when(Matcher<T> matcher, String code)	Rejects the field when the matcher matches the actual value.
FieldRejection<T>	whenNull()	Rejects the field when the actual is null.
FieldRejection<T>	whenNull(String code)	Rejects the field when the actual is null.

Methods inherited from class java.lang.Object

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

Field Detail

REQUIRED

public static final String REQUIRED

See Also:

Constant Field Values

INVALID

public static final String INVALID

See Also:

Constant Field Values

Constructor Detail

FieldRejection

public FieldRejection(ValidationResult validationResult,
                      String field,
                      T actual)

Construct a new field rejection.

Parameters:

validationResult - The validation result.

field - The field name (property name).

actual - The field's value.

Method Detail

or

public FieldRejection<T> or()

Syntactic sugar, allows the use of or().when(...).or().when(...) syntaxis.

Returns:

The current field rejection.

or

public FieldRejection<T> or(Matcher<T> matcher)

Rejects the field when the matcher matches the actual value. This will reject the field with the error code invalid.

Parameters:

matcher - The matcher to use.

Returns:

The current field rejection.

or

public FieldRejection<T> or(Matcher<T> matcher,
                            String code)

Rejects the field when the matcher matches the actual value. This will reject the field with supplied the error code code.

Parameters:

matcher - The matcher to use.

Returns:

The current field rejection.

or

public FieldRejection<T> or(Predicate<T> predicate)

Rejects the field when the predicate evaluates to true. This will reject the field with the error code invalid.

Parameters:

predicate - The predicate to use.

Returns:

The current field rejection.

or

public FieldRejection<T> or(Predicate<T> predicate,
                            String code)

Rejects the field when the predicate evaluates to true. This will reject the field with supplied the error code code.

Parameters:

predicate - The predicate to use.

Returns:

The current field rejection.

or

public <R> FieldRejection<T> or(Function<T,R> function,
                                Matcher<R> matcher)

Rejects the field when the matcher matches the result of the function. This will reject the field with the error code invalid.

Parameters:

function - The function to apply to the actual value.

matcher - The matcher to use against the return value of the function.

Returns:

The current field rejection.

or

public <R> FieldRejection<T> or(Function<T,R> function,
                                Matcher<R> matcher,
                                String code)

Rejects the field when the matcher matches the result of the function. This will reject the field with supplied the error code code.

Parameters:

function - The function to apply to the actual value.

matcher - The matcher to use against the return value of the function.

Returns:

The current field rejection.

whenNull

public FieldRejection<T> whenNull()

Rejects the field when the actual is null. This will reject the field with the error code required.

Returns:

The current field rejection.

whenNull

public FieldRejection<T> whenNull(String code)

Rejects the field when the actual is null. This will reject the field with supplied the error code code.

Parameters:

code - The error code to set if the actual value is null.

Returns:

The current field rejection.

when

public FieldRejection<T> when(Matcher<T> matcher)

Rejects the field when the matcher matches the actual value. This will reject the field with the error code invalid.

Parameters:

matcher - The matcher to use.

Returns:

The current field rejection.

when

public FieldRejection<T> when(Matcher<T> matcher,
                              String code)

Rejects the field when the matcher matches the actual value. This will reject the field with supplied the error code code.

Parameters:

matcher - The matcher to use.

Returns:

The current field rejection.

when

public FieldRejection<T> when(Predicate<T> predicate)

Rejects the field when the predicate evaluates to true. This will reject the field with the error code invalid.

Parameters:

predicate - The predicate to use.

Returns:

The current field rejection.

when

public <R> FieldRejection<T> when(Function<T,R> function,
                                  Matcher<R> matcher)

Rejects the field when the matcher matches the result of the function. This will reject the field with the error code invalid.

Parameters:

function - The function to apply to the actual value.

matcher - The matcher to use against the return value of the function.

Returns:

The current field rejection.

when

public <R> FieldRejection<T> when(Function<T,R> function,
                                  Matcher<R> matcher,
                                  String code)

Rejects the field when the matcher matches the result of the function. This will reject the field with supplied the error code code.

Parameters:

function - The function to apply to the actual value.

matcher - The matcher to use against the return value of the function.

Returns:

The current field rejection.

when

public FieldRejection<T> when(Predicate<T> predicate,
                              String code)

Rejects the field when the predicate evaluates to true. This will reject the field with supplied the error code code.

Parameters:

predicate - The predicate to use.

Returns:

The current field rejection.

orWhen

public FieldRejection<T> orWhen(Matcher<T> matcher)

Rejects the field when the matcher matches the actual value. This will reject the field with the error code invalid.

Parameters:

matcher - The matcher to use.

Returns:

The current field rejection.

orWhen

public FieldRejection<T> orWhen(Matcher<T> matcher,
                                String code)

Rejects the field when the matcher matches the actual value. This will reject the field with supplied the error code code.

Parameters:

matcher - The matcher to use.

Returns:

The current field rejection.

orWhen

public FieldRejection<T> orWhen(Predicate<T> predicate)

Rejects the field when the predicate evaluates to true. This will reject the field with the error code invalid.

Parameters:

predicate - The predicate to use.

Returns:

The current field rejection.

orWhen

public FieldRejection<T> orWhen(Predicate<T> predicate,
                                String code)

Rejects the field when the predicate evaluates to true. This will reject the field with supplied the error code code.

Parameters:

predicate - The predicate to use.

Returns:

The current field rejection.

orWhen

public <R> FieldRejection<T> orWhen(Function<T,R> function,
                                    Matcher<R> matcher)

Rejects the field when the matcher matches the result of the function. This will reject the field with the error code invalid.

Parameters:

function - The function to apply to the actual value.

matcher - The matcher to use against the return value of the function.

Returns:

The current field rejection.

orWhen

public <R> FieldRejection<T> orWhen(Function<T,R> function,
                                    Matcher<R> matcher,
                                    String code)

Rejects the field when the matcher matches the result of the function. This will reject the field with supplied the error code code.

Parameters:

function - The function to apply to the actual value.

matcher - The matcher to use against the return value of the function.

Returns:

The current field rejection.