/*
* Copyright 2011-2016 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.data.redis;
import java.io.IOException;
import org.springframework.data.redis.connection.jedis.JedisConverters;
import org.springframework.test.annotation.ProfileValueSource;
import redis.clients.jedis.Jedis;
/**
* Implementation of {@link ProfileValueSource} that handles profile value name "redisVersion" by checking the current
* version of Redis. 2.4.x will be returned as "2.4" and 2.6.x will be returned as "2.6". Any other version found will
* cause an {@link UnsupportedOperationException} System property values will be returned for any key other than
* "redisVersion"
*
* @author Jennifer Hickey
* @author Christoph Strobl
* @author Thomas Darimont
* @author Mark Paluch
*/
public class RedisTestProfileValueSource implements ProfileValueSource {
private static final String REDIS_24 = "2.4";
private static final String REDIS_26 = "2.6";
private static final String REDIS_28 = "2.8";
private static final String REDIS_30 = "3.0";
private static final String REDIS_32 = "3.2";
private static final String REDIS_VERSION_KEY = "redisVersion";
private static RedisTestProfileValueSource INSTANCE;
private static final Version redisVersion;
static {
redisVersion = tryDetectRedisVersionOrReturn(new Version(9, 9, 9));
}
private static Version tryDetectRedisVersionOrReturn(Version fallbackVersion) {
Version version = fallbackVersion;
Jedis jedis = null;
try {
jedis = new Jedis(SettingsUtils.getHost(), SettingsUtils.getPort(), 100);
String info = jedis.info();
String versionString = (String) JedisConverters.stringToProps().convert(info).get("redis_version");
version = RedisVersionUtils.parseVersion(versionString);
} finally {
if (jedis != null) {
try {
// force socket to be closed
jedis.getClient().quit();
jedis.getClient().getSocket().close();
try {
// need to wait a bit
Thread.sleep(5);
} catch (InterruptedException e) {
// just ignore it
Thread.interrupted();
}
} catch (IOException e1) {
// ignore as well
}
jedis.close();
}
}
return version;
}
public RedisTestProfileValueSource() {
INSTANCE = this;
}
public String get(String key) {
if (!REDIS_VERSION_KEY.equals(key)) {
return System.getProperty(key);
}
if (redisVersion.compareTo(RedisVersionUtils.parseVersion(REDIS_32)) >= 0) {
return REDIS_32;
}
if (redisVersion.compareTo(RedisVersionUtils.parseVersion(REDIS_30)) >= 0) {
return REDIS_30;
}
if (redisVersion.compareTo(RedisVersionUtils.parseVersion(REDIS_28)) >= 0) {
return REDIS_28;
}
if (redisVersion.compareTo(RedisVersionUtils.parseVersion(REDIS_26)) >= 0) {
return REDIS_26;
}
if (redisVersion.compareTo(RedisVersionUtils.parseVersion(REDIS_24)) >= 0) {
return REDIS_24;
}
throw new UnsupportedOperationException("Only Redis 2.4 and higher are supported");
}
public static boolean matches(String key, String value) {
if (INSTANCE == null) {
INSTANCE = new RedisTestProfileValueSource();
}
return INSTANCE.get(key) != null ? INSTANCE.get(key).equals(value) : value == null;
}
}