com.alogic.tlog.TLogHandlerFactory Maven / Gradle / Ivy
package com.alogic.tlog;
import java.io.InputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import com.alogic.metrics.stream.MetricsHandlerFactory;
import com.anysoft.stream.Handler;
import com.anysoft.util.Factory;
import com.anysoft.util.IOTools;
import com.anysoft.util.Properties;
import com.anysoft.util.Settings;
import com.anysoft.util.XmlTools;
import com.anysoft.util.resource.ResourceFactory;
/**
* 工厂类
* @author yyduan
* @since 1.6.7.3
*
* @version 1.6.7.9 [20170201 duanyy]
* - 采用SLF4j日志框架输出日志
*/
public class TLogHandlerFactory extends Factory>{
/**
* a logger of log4j
*/
protected static final Logger LOG = LoggerFactory.getLogger(TLogHandlerFactory.class);
private TLogHandlerFactory(){
}
/**
* 缺省配置文件
*/
public static final String DEFAULT =
"java:///com/alogic/tlog/tlog.handler.default.xml#" + MetricsHandlerFactory.class.getName();
/**
* 全局唯一的tlog handler
*/
private static Handler client = null;
/**
* 工厂实例
*/
protected static TLogHandlerFactory INSTANCE = new TLogHandlerFactory();
/**
* 根据环境变量中的配置来创建MetricsHandler
*/
protected static Handler getInstance(String master,String secondary,Properties props){
ResourceFactory rf = Settings.getResourceFactory();
InputStream in = null;
try {
in = rf.load(master,secondary, null);
Document doc = XmlTools.loadFromInputStream(in);
if (doc != null){
return getInstance(doc.getDocumentElement(),props);
}
}catch (Exception ex){
LOG.error("Error occurs when load xml file,source=" + master, ex);
}finally {
IOTools.closeStream(in);
}
return null;
}
public static Handler getInstance(Element e,Properties p){
return INSTANCE.newInstance(e, p);
}
/**
* 获取客户端的唯一实例
* @return client
*/
public static Handler getHandler(){
if (client == null){
synchronized (TLogHandlerFactory.class){
if (client == null){
Settings p = Settings.get();
String master = p.GetValue("tlog.master",DEFAULT);
String secondary = p.GetValue("tlog.secondary",DEFAULT);
client = getInstance(master,secondary,p);
}
}
}
return client;
}
}