package com.quickwebframework.framework;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.log4j.PropertyConfigurator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleEvent;
import org.osgi.framework.ServiceEvent;
import org.osgi.framework.ServiceRegistration;
import com.quickwebframework.bridge.LogBridge;
import com.quickwebframework.core.Activator;
public class LogContext extends FrameworkContext {
private static Log log = LogFactory.getLog(LogContext.class.getName());
private static LogContext instance;
protected static LogContext getInstance() {
if (instance == null)
instance = new LogContext();
return instance;
}
// ======变量部分开始
private ServiceRegistration<?> logBridgeServiceRegistration;
// ======变量部分结束
@Override
protected BundleContext getBundleContext() {
return Activator.getContext();
}
@Override
protected void init(int arg) {
BundleContext bundleContext = getBundleContext();
// 加载log4j的配置
String log4jConfigFilePath = WebContext
.getQwfConfig(Activator.BUNDLE_NAME + ".log4j.properties");
// 如果配置文件为空
if (StringUtils.isEmpty(log4jConfigFilePath)) {
log.warn("qwf-core插件中未找到log4j.properties的配置！");
} else {
log4jConfigFilePath = WebContext.getServletContext().getRealPath(
log4jConfigFilePath);
// 让log4j重新加载配置文件
PropertyConfigurator.configure(log4jConfigFilePath);
}
// 注册日志桥接对象
logBridgeServiceRegistration = bundleContext.registerService(
LogBridge.class.getName(), new LogBridge(), null);
}
@Override
protected void destory(int arg) {
// 取消注册日志桥接对象
logBridgeServiceRegistration.unregister();
}
@Override
protected void bundleChanged(BundleEvent event) {
}
@Override
protected void serviceChanged(ServiceEvent event) {
}
}