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Copyright (C) 2014 Philip Helger (www.helger.com) philip[at]helger[dot]com Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
package com.helger.webbasics.action;
Web action executor interface.

Author(s):
Philip Helger
public interface IActionExecutor
{
  
Initialization method that is called before the main execution is called. This can e.g be used to determine the last modification date time.

Parameters:
aRequestScope The request scope to be used, to extract parameters. Never null.
  void initExecution (@Nonnull IRequestWebScopeWithoutResponse aRequestScope);

  

Returns:
The last modification date time for the action result or null if none is applicable. This date is used to set the HTTP response last modification date time.
Execute the action on the passed HTTP request/response.

Parameters:
aRequestScope The request scope. Never null.
aUnifiedResponse The response to write to. Never null.
Throws:
java.lang.Throwable In case something goes wrong.
  void execute (@Nonnull IRequestWebScopeWithoutResponse aRequestScope, @Nonnull UnifiedResponse aUnifiedResponsethrows Throwable;
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