package civitas.bboard.server.controllers;
   
   import java.util.Map;
   
   import org.mockito.invocation.InvocationOnMock;
   import org.mockito.stubbing.Answer;
   
   import civitas.common.EnvironmentState;
   import civitas.common.RandomAwareTestBase;
  
  public class EnvDependentAnswer<T> implements Answer<T> {
  
  	private final Map<EnvironmentState, AnswerOrThrowable<T>> answer;
  
  	public EnvDependentAnswer(final Map<EnvironmentState, AnswerOrThrowable<T>> answer) {
  		this.answer = answer;
  	}
  
  	@Override
  	public T answer(final InvocationOnMock invocation) throws Throwable {
  
  		AnswerOrThrowable<T> theAnswer = answer.get(RandomAwareTestBase.state);
  		if (null == theAnswer) {
  			theAnswer = answer.get(EnvironmentState.NORMAL);
  		}
  		if (null != theAnswer.throwable()) {
  			throw theAnswer.throwable();
  		}
  		return theAnswer.answer();
  	}
  }