/*
* Copyright 2012 Chris Fregly
*
* 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 com.fluxcapacitor.core.config;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Strings;
import com.netflix.config.ConcurrentCompositeConfiguration;
import com.netflix.config.ConfigurationManager;
import com.netflix.config.DynamicBooleanProperty;
import com.netflix.config.DynamicIntProperty;
import com.netflix.config.DynamicLongProperty;
import com.netflix.config.DynamicPropertyFactory;
import com.netflix.config.DynamicStringProperty;
import com.netflix.governator.annotations.AutoBindSingleton;
import com.netflix.karyon.spi.Component;
/**
* FluxConfiguration follows a hierarchy as follows: <appId>-<env>.properties
* (optional: <env>=local|dev|qa|prod) <appId>.properties (default values)
* System Properties (-D)
*
* JMX: All properties can be viewed and updated (on a per instance basis) here:
* Config-com.netflix.config.jmx.BaseConfigMBean
*
* @author Chris Fregly (chris@fregly.com)
*/
@Component
@AutoBindSingleton(AppConfiguration.class)
public class FluxConfiguration implements AppConfiguration {
private static final Logger logger = LoggerFactory
.getLogger(FluxConfiguration.class);
public FluxConfiguration() {
String app = ConfigurationManager.getDeploymentContext().getApplicationId();
String env = ConfigurationManager.getDeploymentContext().getDeploymentEnvironment();
logger.info(
"Configuration set to application [{}] and env [{}]", app, env);
if (Strings.isNullOrEmpty(app)) {
logger.warn("System property 'archaius.deployment.applicationId' is empty. Configuration may be invalid.");
}
if (Strings.isNullOrEmpty(env)) {
logger.warn("System property 'archaius.deployment.environment' is empty. Configuration may be invalid. Set APP_ENV environment variable to populate the environment appropriately.");
}
}
@Override
public String getString(String key, String defaultValue) {
final DynamicStringProperty property = DynamicPropertyFactory
.getInstance().getStringProperty(key, defaultValue);
return property.get();
}
@Override
public int getInt(String key, int defaultValue) {
final DynamicIntProperty property = DynamicPropertyFactory
.getInstance().getIntProperty(key, defaultValue);
return property.get();
}
@Override
public long getLong(String key, int defaultValue) {
final DynamicLongProperty property = DynamicPropertyFactory
.getInstance().getLongProperty(key, defaultValue);
return property.get();
}
@Override
public boolean getBoolean(String key, boolean defaultValue) {
final DynamicBooleanProperty property = DynamicPropertyFactory
.getInstance().getBooleanProperty(key, defaultValue);
return property.get();
}
@Override
@VisibleForTesting
public void setOverrideProperty(String key, Object value) {
((ConcurrentCompositeConfiguration) ConfigurationManager
.getConfigInstance()).setOverrideProperty(key, value);
}
@Override
public void close() {
}
}