com.bennavetta.appsite.util.Config.java Source code

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/**
 * Copyright 2013 Ben Navetta <ben@bennavetta.com>
 *
 * 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.bennavetta.appsite.util;

import javax.annotation.PostConstruct;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.configuration.SystemConfiguration;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.netflix.config.ConcurrentCompositeConfiguration;
import com.netflix.config.ConcurrentMapConfiguration;
import com.netflix.config.ConfigurationManager;

@Configuration
public class Config {
    @Autowired
    private DatastoreConfig datastoreConfig;

    @Bean
    public DatastoreConfig datastoreConfig() {
        return new DatastoreConfig();
    }

    @PostConstruct
    public void setup() throws ConfigurationException {
        ConcurrentMapConfiguration systemConfig = new ConcurrentMapConfiguration(new SystemConfiguration());
        ConcurrentMapConfiguration defaultConfig = new ConcurrentMapConfiguration(
                new PropertiesConfiguration("default-config.properties"));
        // datastore config would be concurrent because the datastore itself is 

        ConcurrentCompositeConfiguration finalConfig = new ConcurrentCompositeConfiguration();
        finalConfig.addConfiguration(datastoreConfig, "DatastoreConfig");
        finalConfig.addConfiguration(defaultConfig, "DefaultConfig");
        finalConfig.addConfiguration(systemConfig, "SystemConfig");

        ConfigurationManager.install(finalConfig);
    }
}