www.pudn.com > cmpp.rar > ClientConfigUtil.java

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 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 getFieldNames(Class beanClass) { 
		if (beanClass != null) { 
			List nameValues = new ArrayList(); 
			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(); 
		} 
		 
	} 
 
}