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

Class StringToNumberDecoder

java.lang.Object
com.vaadin.flow.server.communication.rpc.StringToNumberDecoder
All Implemented Interfaces:
RpcDecoder, Serializable
public class StringToNumberDecoder extends Object implements RpcDecoder
Decodes a JsonNode with JsonNodeType.STRING type to Number subclass type.

This decoder is applicable to any JsonNode which is StringNode and any primitive type wrapper Number subclass (like Integer, Double, Long, etc.).

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

Since:
1.0
Author:
Vaadin Ltd
See Also:

  • Constructor Details

    • StringToNumberDecoder

      public StringToNumberDecoder()

  • Method Details

    • isApplicable

      public boolean isApplicable(tools.jackson.databind.JsonNode 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(tools.jackson.databind.JsonNode 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