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/**
 * Copyright (C) 2014 Dasasian ([email protected])
 *
 * 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.dasasian.chok.testutil.mockito;

import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;

/**
 * Executes a given list of {@link Answer}s. Returns the return-value of the
 * last answer.
 */
@SuppressWarnings("unchecked")
public class ChainedAnswer implements Answer {

    private final Answer[] _answers;

    public ChainedAnswer(Answer... answers) {
        _answers = answers;
    }

    @Override
    public Object answer(InvocationOnMock invocation) throws Throwable {
        Object returnValue = null;
        for (Answer answer : _answers) {
            returnValue = answer.answer(invocation);
        }
        return returnValue;
    }

}