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com.vaadin.flow.server.communication.rpc.
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 JsonValue with JsonType.STRING type to Number subclass type.

This decoder is applicable to any JsonValue which is JsonString 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(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

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