org.springframework.integration.mongodb.rules.MongoDbAvailableRule.java Source code

Introduction

Here is the source code for org.springframework.integration.mongodb.rules.MongoDbAvailableRule.java

Source

/*
 * Copyright 2002-2013 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.mongodb.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 com.mongodb.Mongo;
import com.mongodb.MongoClient;
import com.mongodb.MongoClientOptions;
import com.mongodb.ServerAddress;

/**
 * A {@link MethodRule} implementation that checks for a running MongoDB process.
 *
 * @author Oleg Zhurakousky
 * @author Gary Russell
 * @since 2.1
 */
public final class MongoDbAvailableRule implements MethodRule {

    private final Log logger = LogFactory.getLog(this.getClass());

    @Override
    public Statement apply(final Statement base, final FrameworkMethod method, final Object target) {
        return new Statement() {
            @Override
            public void evaluate() throws Throwable {
                MongoDbAvailable mongoAvailable = method.getAnnotation(MongoDbAvailable.class);
                if (mongoAvailable != null) {
                    try {
                        MongoClientOptions options = new MongoClientOptions.Builder().connectTimeout(100).build();
                        Mongo mongo = new MongoClient(ServerAddress.defaultHost(), options);
                        mongo.getDatabaseNames();
                    } catch (Exception e) {
                        logger.warn("MongoDb is not available. Skipping the test: "
                                + target.getClass().getSimpleName() + "." + method.getName() + "()");
                        return;
                    }
                }
                base.evaluate();
            }
        };
    }

}