netbout-spi-1.5.6.src.main.java.com.netbout.spi.client.VersionAssertion Maven / Gradle / Ivy

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/**
 * Copyright (c) 2009-2012, Netbout.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met: 1) Redistributions of source code must retain the above
 * copyright notice, this list of conditions and the following
 * disclaimer. 2) Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided
 * with the distribution. 3) Neither the name of the NetBout.com nor
 * the names of its contributors may be used to endorse or promote
 * products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.netbout.spi.client;

import com.jcabi.log.Logger;
import com.rexsl.core.Manifests;
import com.rexsl.test.AssertionPolicy;
import com.rexsl.test.TestResponse;
import java.net.HttpURLConnection;

/**
 * Asserts that versions of the server and the client are the same.
 *
 * @author Yegor Bugayenko ([email protected])
 * @version $Id: VersionAssertion.java 3586 2012-11-06 18:33:20Z guard $
 */
@AssertionPolicy.Quiet
final class VersionAssertion implements AssertionPolicy {

    /**
     * {@inheritDoc}
     */
    @Override
    public void assertThat(final TestResponse response) {
        if (response.getStatus() == HttpURLConnection.HTTP_OK) {
            final String srv = response
                .xpath("/page/version/name/text()")
                .get(0);
            final String client = Manifests.read("Netbout-Version");
            if (!client.equals(srv)) {
                throw new AssertionError(
                    Logger.format(
                        "Server's version '%s' doesn't match client's one '%s'",
                        srv,
                        client
                    )
                );
            }
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean isRetryNeeded(final int attempt) {
        return false;
    }

}