Android Open Source - libgdx-chat-example Update Action Handler

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Back to project page libgdx-chat-example.

License

The source code is released under:

Apache License

Java Source Code

package org.stofkat.chat.server.actionhandlers;
//from www  . jav  a2  s.  c  o m
import javax.servlet.http.HttpSession;

import org.apache.http.protocol.ExecutionContext;
import org.stofkat.chat.common.actions.UpdateAction;
import org.stofkat.chat.common.exceptions.DispatchException;
import org.stofkat.chat.common.results.ChatResult;
import org.stofkat.chat.server.ActionHandler;
import org.stofkat.chat.server.ChatMessagesDatabase;

public class UpdateActionHandler implements ActionHandler<UpdateAction, ChatResult> {

  @Override
  public Class<UpdateAction> getActionType() {
    return UpdateAction.class;
  }

  @Override
  public ChatResult execute(UpdateAction action, ExecutionContext context, HttpSession session)
      throws DispatchException {
    ChatMessagesDatabase db = ChatMessagesDatabase.getInstance();
    return db.getLatestMessages(action.getLastReceivedChatMessageId());
  }

  @Override
  public void rollback(UpdateAction action, ChatResult result, ExecutionContext context) throws DispatchException {
    // Not implemented.
  }

}

Java Source Code List

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