com.vaadin.server.communication
Class ServerRpcHandler

java.lang.Object
  com.vaadin.server.communication.ServerRpcHandler

All Implemented Interfaces:

java.io.Serializable

public class ServerRpcHandler
extends java.lang.Object
implements java.io.Serializable

Handles a client-to-server message containing serialized server RPC invocations.

Since:

7.1

Author:

Vaadin Ltd

See Also:

Serialized Form

Nested Class Summary

static class

ServerRpcHandler.RpcRequest A data transfer object representing an RPC request sent by the client side.

Constructor Summary

ServerRpcHandler()

Method Summary

protected void	changeVariables(java.lang.Object source, VariableOwner owner, java.util.Map<java.lang.String,java.lang.Object> m)
static java.lang.String	getIgnoredDisabledError(java.lang.String what, ClientConnector connector) Generates an error message when the client is trying to to something ('what') with a connector which is disabled or invisible.
protected java.lang.String	getMessage(java.io.Reader reader)
void	handleRpc(UI ui, java.io.Reader reader, VaadinRequest request) Reads JSON containing zero or more serialized RPC calls (including legacy variable changes) and executes the calls.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerRpcHandler

public ServerRpcHandler()

Method Detail

handleRpc

public void handleRpc(UI ui,
                      java.io.Reader reader,
                      VaadinRequest request)
               throws java.io.IOException,
                      LegacyCommunicationManager.InvalidUIDLSecurityKeyException,
                      org.json.JSONException

Reads JSON containing zero or more serialized RPC calls (including legacy variable changes) and executes the calls.

Parameters:

ui - The UI receiving the calls. Cannot be null.

reader - The Reader used to read the JSON.

request -

Throws:

java.io.IOException - If reading the message fails.

LegacyCommunicationManager.InvalidUIDLSecurityKeyException - If the received security key does not match the one stored in the session.

org.json.JSONException - If deserializing the JSON fails.

changeVariables

protected void changeVariables(java.lang.Object source,
                               VariableOwner owner,
                               java.util.Map<java.lang.String,java.lang.Object> m)

getMessage

protected java.lang.String getMessage(java.io.Reader reader)
                               throws java.io.IOException

Throws:

java.io.IOException

getIgnoredDisabledError

public static java.lang.String getIgnoredDisabledError(java.lang.String what,
                                                       ClientConnector connector)

Generates an error message when the client is trying to to something ('what') with a connector which is disabled or invisible.

Parameters:

connector - the connector which is disabled (or invisible)

Returns:

an error message

Since:

7.1.8