org.springframework.integration.redis.rules.RedisAvailableRule.java Source code

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Here is the source code for org.springframework.integration.redis.rules.RedisAvailableRule.java

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/*
 * Copyright 2002-2012 the original author or authors.
 *
 * 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 org.springframework.integration.redis.rules;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.rules.MethodRule;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.Statement;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;

/**
 * @author Oleg Zhurakousky
 * @author Gunnar Hillert
 *
 */
public final class RedisAvailableRule implements MethodRule {

    private static final Log logger = LogFactory.getLog(RedisAvailableRule.class);

    public static final int REDIS_PORT = 7379;

    public Statement apply(final Statement base, final FrameworkMethod method, Object target) {
        return new Statement() {

            @Override
            public void evaluate() throws Throwable {
                RedisAvailable redisAvailable = method.getAnnotation(RedisAvailable.class);
                if (redisAvailable != null) {
                    try {

                        JedisConnectionFactory connectionFactory = new JedisConnectionFactory();
                        connectionFactory.setPort(REDIS_PORT);
                        connectionFactory.afterPropertiesSet();
                        connectionFactory.getConnection();
                    } catch (Exception e) {
                        if (logger.isWarnEnabled()) {
                            logger.warn(String.format(
                                    "Redis is not available on " + "port '%s'. Skipping the test.", REDIS_PORT));
                        }
                        return;
                    }
                }
                base.evaluate();
            }
        };

    }

}