io.appform.hope.core.utils

Class Converters

java.lang.Object

io.appform.hope.core.utils.Converters

public class Converters
extends Object

Evaluated Value, JsonPathValue and HopeFunction to leaf native types.

Method Summary

Modifier and Type	Method and Description
static Boolean	booleanValue(Evaluator.EvaluationContext evaluationContext, TreeNode node, boolean defaultValue) Evaluates a TreeNode to find eventual boolean value.
static List<Value>	explodeArray(Evaluator.EvaluationContext evaluationContext, TreeNode node, List<Value> defaultValue) Evaluates a TreeNode to find eventual array.
static List<Object>	flattenArray(Evaluator.EvaluationContext evaluationContext, Value value, Object defaultValue) Flatten an ArrayNode into List of objects
static <T> T	handleValue(Evaluator.EvaluationContext evaluationContext, TreeNode node, Object defaultValue, RawTypeHandler<T> handler)
static String	jsonPathValue(Evaluator.EvaluationContext evaluationContext, TreeNode node, String defaultValue) Evaluates a TreeNode to find eventual json path value.
static String	jsonPointerValue(Evaluator.EvaluationContext evaluationContext, TreeNode node, String defaultValue) Evaluates a TreeNode to find eventual json pointer value.
static Number	numericValue(Evaluator.EvaluationContext evaluationContext, TreeNode node, Number defaultValue) Evaluates a TreeNode to find eventual numeric value.
static Object	objectValue(Evaluator.EvaluationContext evaluationContext, TreeNode node, Object defaultValue) Evaluates a TreeNode to find eventual object.
static String	stringValue(Evaluator.EvaluationContext evaluationContext, TreeNode node, String defaultValue) Evaluates a TreeNode to find eventual String value.

Methods inherited from class java.lang.Object

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

Method Detail

stringValue

public static String stringValue(Evaluator.EvaluationContext evaluationContext,
                                 TreeNode node,
                                 String defaultValue)

Evaluates a TreeNode to find eventual String value.

Parameters:

evaluationContext - Current eval context

node - Node to be evaluated

defaultValue - Default value if eval fails

Returns:

Evaluated value on success, defaultValue or excption in case of failure depending on ErrorHandlingStrategy

numericValue

public static Number numericValue(Evaluator.EvaluationContext evaluationContext,
                                  TreeNode node,
                                  Number defaultValue)

Evaluates a TreeNode to find eventual numeric value.

Parameters:

evaluationContext - Current eval context

node - Node to be evaluated

defaultValue - Default value if eval fails

Returns:

Evaluated value on success, defaultValue or excption in case of failure depending on ErrorHandlingStrategy

booleanValue

public static Boolean booleanValue(Evaluator.EvaluationContext evaluationContext,
                                   TreeNode node,
                                   boolean defaultValue)

Evaluates a TreeNode to find eventual boolean value.

Parameters:

evaluationContext - Current eval context

node - Node to be evaluated

defaultValue - Default value if eval fails

Returns:

Evaluated value on success, defaultValue or excption in case of failure depending on ErrorHandlingStrategy

explodeArray

public static List<Value> explodeArray(Evaluator.EvaluationContext evaluationContext,
                                       TreeNode node,
                                       List<Value> defaultValue)

Evaluates a TreeNode to find eventual array.

Parameters:

evaluationContext - Current eval context

node - Node to be evaluated

defaultValue - Default value if eval fails

Returns:

Evaluated array on success, defaultValue or excption in case of failure depending on ErrorHandlingStrategy

flattenArray

public static List<Object> flattenArray(Evaluator.EvaluationContext evaluationContext,
                                        Value value,
                                        Object defaultValue)

Flatten an ArrayNode into List of objects

Parameters:

evaluationContext - Current eval context

value - Value that evaluates to an array

defaultValue - Default value if eval fails

Returns:

Evaluated list on success, defaultValue or excption in case of failure depending on ErrorHandlingStrategy

jsonPathValue

public static String jsonPathValue(Evaluator.EvaluationContext evaluationContext,
                                   TreeNode node,
                                   String defaultValue)

Evaluates a TreeNode to find eventual json path value.

Parameters:

evaluationContext - Current eval context

node - Node to be evaluated

defaultValue - Default value if eval fails

Returns:

provided json path on success, defaultValue or excption in case of failure depending on ErrorHandlingStrategy

jsonPointerValue

public static String jsonPointerValue(Evaluator.EvaluationContext evaluationContext,
                                      TreeNode node,
                                      String defaultValue)

Evaluates a TreeNode to find eventual json pointer value.

Parameters:

evaluationContext - Current eval context

node - Node to be evaluated

defaultValue - Default value if eval fails

Returns:

provided json path on success, defaultValue or excption in case of failure depending on ErrorHandlingStrategy

objectValue

public static Object objectValue(Evaluator.EvaluationContext evaluationContext,
                                 TreeNode node,
                                 Object defaultValue)

Evaluates a TreeNode to find eventual object.

Parameters:

evaluationContext - Current eval context

node - Node to be evaluated

defaultValue - Default value if eval fails

Returns:

Evaluated object on success, defaultValue or excption in case of failure depending on ErrorHandlingStrategy

handleValue

public static <T> T handleValue(Evaluator.EvaluationContext evaluationContext,
                                TreeNode node,
                                Object defaultValue,
                                RawTypeHandler<T> handler)