com.jeesuite.confcenter.spring.CCPropertyPlaceholderConfigurer Maven / Gradle / Ivy

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/**
 * 
 */
package com.jeesuite.confcenter.spring;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.net.URL;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

import com.jeesuite.common.util.ResourceUtils;
import com.jeesuite.confcenter.ConfigcenterContext;
import com.jeesuite.spring.InstanceFactory;
import com.jeesuite.spring.SpringInstanceProvider;

/**
 * @description 

 * @author vakin
 * @date 2016年11月2日
 */
public class CCPropertyPlaceholderConfigurer extends PropertyPlaceholderConfigurer implements DisposableBean,ApplicationContextAware{
	
	private final static Logger logger = LoggerFactory.getLogger(CCPropertyPlaceholderConfigurer.class);
	
	private ConfigcenterContext ccContext = ConfigcenterContext.getInstance();
	
	public void setRemoteEnabled(boolean remoteEnabled) {
		ccContext.setRemoteEnabled(remoteEnabled);
	}

	@Override
	protected void processProperties(ConfigurableListableBeanFactory beanFactoryToProcess, Properties props)
			throws BeansException {
		super.processProperties(beanFactoryToProcess, props);
	}



	@Override
	protected Properties mergeProperties() throws IOException {
		Properties properties = super.mergeProperties();
		
		URL resource = Thread.currentThread().getContextClassLoader().getResource("confcenter.properties");
		if(resource == null)throw new FileNotFoundException("配置文件[confcenter.properties]缺失");
		Properties config = new Properties();
		config.load(new FileReader(new File(resource.getPath())));
		
		ResourceUtils.merge(properties);
		ResourceUtils.merge(config);
		
		ccContext.init(false);
		
		Properties remoteProperties = ccContext.getAllRemoteProperties();
		if(remoteProperties != null){
			Set> entrySet = remoteProperties.entrySet();
			for (Entry entry : entrySet) {
				//本地配置优先
				if(ccContext.isRemoteFirst() == false && properties.containsKey(entry.getKey())){
					logger.info("config[{}] exists in location,skip~",entry.getKey());
					continue;
				}
				properties.put(entry.getKey(), entry.getValue());
				//
				ResourceUtils.add(entry.getKey().toString(), entry.getValue().toString());
			}
		}
		
		ccContext.syncConfigToServer(properties,true);
		
		return properties;
		//
	}

	@Override
	public void destroy() throws Exception {
		ccContext.close();
	}

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		if(InstanceFactory.getInstanceProvider() == null){
			InstanceFactory.setInstanceProvider(new SpringInstanceProvider(applicationContext));
		}
	}


}