com.vaadin.flow.server.communication.rpc.StringToEnumDecoder API 24.7.0.beta2 | Vaadin

com.vaadin.flow.server.communication.rpc.

java.lang.Object

com.vaadin.flow.server.communication.rpc.StringToEnumDecoder

All Implemented Interfaces:

RpcDecoder, Serializable

public class StringToEnumDecoder extends Object implements RpcDecoder

Decodes a JsonValue with JsonType.STRING type to Enum subclass type.

This decoder is applicable to any JsonValue which is JsonString and any Enum sublcass

For internal use only. May be renamed or removed in a future release.

Since:

1.0

Author:

Vaadin Ltd

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor

Description

StringToEnumDecoder()
Method Summary

Modifier and Type

Method

Description

<T> T

decode(elemental.json.JsonValue value, Class<T> type)

Decode the given value to the required type.

boolean

isApplicable(elemental.json.JsonValue value, Class<?> type)

Returns true if the decoder is applicable for the given value and the required type.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- StringToEnumDecoder
  
  public StringToEnumDecoder()
Method Details
- isApplicable
  
  public boolean isApplicable(elemental.json.JsonValue value, Class<?> type)
  
  Description copied from interface: RpcDecoder
  
  Returns true if the decoder is applicable for the given value and the required type.
  
  Specified by:
  
  isApplicable in interface RpcDecoder
  
  Parameters:
  
  value - the value which needs to be decoded
  
  type - the required type to decode
  
  Returns:
  
  true if this decoder is able to decode the value to the type, false otherwise
- decode
  
  public <T> T decode(elemental.json.JsonValue value, Class<T> type) throws RpcDecodeException
  
  Description copied from interface: RpcDecoder
  
  Decode the given value to the required type.
  RpcDecodeException is thrown if the value cannot be converted to the type (even though the decoder is applicable for the value and the type).
  
  Specified by:
  
  decode in interface RpcDecoder
  
  Type Parameters:
  
  T - the decoded value type
  
  Parameters:
  
  value - the value which needs to be decoded
  
  type - the required type to decode
  
  Returns:
  
  the decoded value
  
  Throws:
  
  RpcDecodeException - if the value cannot be converted to the type