clientconfigutil.java

华为短信网关实现的功能,包括服务器端和客户端代码

package com.fetion.cmpp.client.conf;

import java.io.File;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

import net.sf.cglib.beans.BeanMap;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jconfig.Configuration;
import org.jconfig.ConfigurationManager;
import org.jconfig.handler.XMLFileHandler;

import com.fetion.cmpp.client.ClientConstants;
import com.fetion.cmpp.common.util.ConfigException;
import com.fetion.cmpp.common.util.NameTypeBean;

/**
 * 客户端的配置工具类
 * @author Administrator
 *
 */
public class ClientConfigUtil {
    private static Log log = LogFactory.getLog(ClientConfigUtil.class);

	private static final ConfigurationManager cm = ConfigurationManager
			.getInstance();
	
	public static ClientConfig loadConfig() throws ConfigException {
		Class clientConfigClass = ClientConfig.class;
		File file = new File(ClientConstants.CMPP_CONFIG_NAME + File.separator
				+ ClientConstants.CLIENT_XML_CONFIG);
		if (!file.exists())
			throw new ConfigException("no file found,use the default value");
		XMLFileHandler handler = new XMLFileHandler();
		handler.setFile(file);
		try {
			log.info("trying to load file");
			cm.load(handler, "myConfig1");
			log.info("file successfully processed");
			Configuration config = ConfigurationManager
					.getConfiguration("myConfig1");
			ClientConfig bean = (ClientConfig)clientConfigClass.newInstance();
			BeanMap map = BeanMap.create(bean);
			List<NameTypeBean> fieldNames = getFieldNames(ClientConfig.class);
			String fieldName = null;
			String typeName = null;
			for(NameTypeBean nameType : fieldNames){
				fieldName = nameType.getName();
				typeName = nameType.getType().getName();
				if(typeName.equals("int")){
					map.put(nameType.getName(), config.getIntProperty(fieldName, ClientConstants.DEFAULT_PORT));
				}else if(typeName.equals("boolean")){
					map.put(nameType.getName(), config.getBooleanProperty(fieldName, false));
				}else if(typeName.equals("double")){
					map.put(nameType.getName(), config.getDoubleProperty(fieldName, 0.00));
				}else if(typeName.equals("long")){
					map.put(nameType.getName(), config.getLongProperty(fieldName, 0L));
				}else {
					map.put(nameType.getName(), config.getProperty(fieldName));
				}
				
				//map.put(nameType.getName(), config.getProperty(nameType.getName()));
			}

			return bean;
		} catch (Exception e) {
			throw new ConfigException("save config error : "+e);
		}
	}
	
	public static List<NameTypeBean> getFieldNames(Class beanClass) {
		if (beanClass != null) {
			List<NameTypeBean> nameValues = new ArrayList<NameTypeBean>();
			Field[] fields = beanClass.getDeclaredFields();
			if (fields != null && fields.length > 0){
				String fieldName = null;
				Class type = null;
				for (Field field : fields) {
					fieldName = field.getName();
					type = field.getType();
					nameValues.add(new NameTypeBean(fieldName,type));
				}
			}
			return nameValues;
		} else
			return null;
	}
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		try {
			ClientConfig conf = ClientConfigUtil.loadConfig();
			System.out.println(conf);
		} catch (ConfigException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

}