RC9/qpid/java/systests/src/main/java/org/apache/qpid/test/framework/CauseFailureUserPrompt.java

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.qpid.test.framework;

import org.apache.qpid.test.framework.CauseFailure;

import java.io.IOException;

/**
 * Causes a message broker failure by interactively prompting the user to cause it.
 *
 * <p/><table id="crc"><caption>CRC Card</caption>
 * <tr><th> Responsibilities <th> Collaborations
 * <tr><td> Cause messaging broker failure.
 * </table>
 */
public class CauseFailureUserPrompt implements CauseFailure
{
    /**
     * Causes the active message broker to fail.
     */
    public void causeFailure()
    {
        waitForUser("Cause a broker failure now, then press Return.");
    }

    /**
     * Outputs a prompt to the console and waits for the user to press return.
     *
     * @param prompt The prompt to display on the console.
     */
    private void waitForUser(String prompt)
    {
        System.out.println(prompt);

        try
        {
            System.in.read();
        }
        catch (IOException e)
        {
            // Ignored.
        }

        System.out.println("Continuing.");
    }
}