com.ctrip.framework.apollo.internals.DefaultConfigManager Maven / Gradle / Ivy
The newest version!
package com.ctrip.framework.apollo.internals;
import java.util.Map;
import com.ctrip.framework.apollo.Config;
import com.ctrip.framework.apollo.ConfigFile;
import com.ctrip.framework.apollo.build.ApolloInjector;
import com.ctrip.framework.apollo.core.enums.ConfigFileFormat;
import com.ctrip.framework.apollo.spi.ConfigFactory;
import com.ctrip.framework.apollo.spi.ConfigFactoryManager;
import com.google.common.collect.Maps;
/**
* @author Jason Song([email protected])
*/
public class DefaultConfigManager implements ConfigManager {
private ConfigFactoryManager m_factoryManager;
private Map m_configs = Maps.newConcurrentMap();
private Map m_configFiles = Maps.newConcurrentMap();
public DefaultConfigManager() {
m_factoryManager = ApolloInjector.getInstance(ConfigFactoryManager.class);
}
@Override
public Config getConfig(String namespace) {
Config config = m_configs.get(namespace);
if (config == null) {
synchronized (this) {
config = m_configs.get(namespace);
if (config == null) {
ConfigFactory factory = m_factoryManager.getFactory(namespace);
config = factory.create(namespace);
m_configs.put(namespace, config);
}
}
}
return config;
}
@Override
public ConfigFile getConfigFile(String namespace, ConfigFileFormat configFileFormat) {
String namespaceFileName = String.format("%s.%s", namespace, configFileFormat.getValue());
ConfigFile configFile = m_configFiles.get(namespaceFileName);
if (configFile == null) {
synchronized (this) {
configFile = m_configFiles.get(namespaceFileName);
if (configFile == null) {
ConfigFactory factory = m_factoryManager.getFactory(namespaceFileName);
configFile = factory.createConfigFile(namespaceFileName, configFileFormat);
m_configFiles.put(namespaceFileName, configFile);
}
}
}
return configFile;
}
}