Package io.appform.hope.core.exceptions.errorstrategy

Class DefaultErrorHandlingStrategy

java.lang.Object

io.appform.hope.core.exceptions.errorstrategy.DefaultErrorHandlingStrategy

All Implemented Interfaces:

ErrorHandlingStrategy

public class DefaultErrorHandlingStrategy
extends Object
implements ErrorHandlingStrategy

Default ErrorHandlingStrategy. This will throw exceptions in case of errors.

Constructor Summary

Constructors

Constructor	Description
DefaultErrorHandlingStrategy()

Method Summary

Modifier and Type	Method	Description
<T> T	handleIllegalEval(String message, T defaultValue)	This handler is called in case there is some bug in the evaluation.
<T> T	handleMissingValue(String path, T defaultValue)	This handler is invoked when a value cannot be resolved from a path.
<T> T	handleTypeMismatch(String path, String expected, String actual, T defaultValue)	This handler is invoked when there is type mismatch between value at path and that present in json.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.appform.hope.core.exceptions.errorstrategy.ErrorHandlingStrategy

paramValidationFailure

Constructor Detail

DefaultErrorHandlingStrategy

public DefaultErrorHandlingStrategy()

Method Detail

handleMissingValue

public <T> T handleMissingValue(String path,
                                T defaultValue)

This handler is invoked when a value cannot be resolved from a path. This happens when value is not present or null.

Specified by:

handleMissingValue in interface ErrorHandlingStrategy

Type Parameters:

T - Type of default Value

Parameters:

path - Path for which value was not found

defaultValue - Default value to be returned if present

Returns:

defaultValue or exception depending on implementation

handleTypeMismatch

public <T> T handleTypeMismatch(String path,
                                String expected,
                                String actual,
                                T defaultValue)

This handler is invoked when there is type mismatch between value at path and that present in json.

Specified by:

handleTypeMismatch in interface ErrorHandlingStrategy

Type Parameters:

T - Type of defaultValue

Parameters:

path - Path for which value mismatch was detected

expected - Expected type

actual - Type found in provided json

defaultValue - Default value to be returned in case of mismatch

Returns:

defaultValue or throws exception depending on implementation

handleIllegalEval

public <T> T handleIllegalEval(String message,
                               T defaultValue)

This handler is called in case there is some bug in the evaluation. This should never be raised faced in production. In case this happens it is a bug that should be reported.

Specified by:

handleIllegalEval in interface ErrorHandlingStrategy

Type Parameters:

T - Type of defaultValue

Parameters:

message - Custom message provided at assertion site

defaultValue - Default value to be returned if this state is faced

Returns:

defaultValue or throws exception depending on implementation