| /* |
| * Copyright (c) 2007 Mockito contributors |
| * This program is made available under the terms of the MIT License. |
| */ |
| package org.mockito.internal.stubbing.answers; |
| |
| import java.io.Serializable; |
| |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| import org.mockito.stubbing.ValidableAnswer; |
| |
| import static org.mockito.internal.exceptions.Reporter.onlyVoidMethodsCanBeSetToDoNothing; |
| |
| public class DoesNothing implements Answer<Object>, ValidableAnswer, Serializable { |
| |
| private static final long serialVersionUID = 4840880517740698416L; |
| |
| private static final DoesNothing SINGLETON = new DoesNothing(); |
| |
| private DoesNothing() {} |
| |
| public static DoesNothing doesNothing(){ |
| return SINGLETON; |
| } |
| |
| @Override |
| public Object answer(InvocationOnMock invocation){ |
| return null; |
| } |
| |
| @Override |
| public void validateFor(InvocationOnMock invocation) { |
| if (!new InvocationInfo(invocation).isVoid()) { |
| throw onlyVoidMethodsCanBeSetToDoNothing(); |
| } |
| } |
| } |