package org.jrest4guice.sample.contact.listener;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import org.apache.velocity.app.Velocity;
import org.commontemplate.engine.Engine;
import org.commontemplate.standard.ConfigurationSettings;
import org.commontemplate.tools.PropertiesConfigurationLoader;
import org.jrest4guice.rest.RestContextManager;
import org.jrest4guice.rest.helper.JRest4GuiceHelper;
import org.jrest4guice.rest.reader.MultipartFormDataContentRader;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.name.Names;
/**
*
* @author <a href="mailto:zhangyouqun@gmail.com">cnoss (QQ:86895156)</a>
*
*/
public class ContextListener implements ServletContextListener {
@Override
public void contextDestroyed(ServletContextEvent event) {
}
@Override
public void contextInitialized(ServletContextEvent event) {
try {
// 初始化Velocity引擎
this.initVelocity(event);
// 初始化CTL引擎
this.initCTL(event);
JRest4GuiceHelper.useJRest("org.jrest4guice.sample")// 使用Rest，并指定要动态扫描注册的包路径
.useJPA()// 使用JPA
.useSecurity()// 使用JAAS
.useCache()//打开缓存客户端的功能
// .enableCustomInterceptor("org.jrest4guice.sample")//打开自定义的拦截器支持，允许通过@Interceptors来支持自定义的拦截器
.addUserModule(new Module(){
@Override
public void configure(Binder binder) {
binder.bindConstant().annotatedWith(Names.named(MultipartFormDataContentRader.FILE_SIZE_MAX)).to(1024 * 1024*10);
binder.bindConstant().annotatedWith(Names.named(MultipartFormDataContentRader.SIZE_MAX)).to(1024 * 1024*100);
}
})
.init();
} catch (Exception e) {
System.out.println("初始化ContextListener错误");
e.printStackTrace();
}
}
private void initCTL(ServletContextEvent event) {
// 配置并建造引擎 (Engine是内同步线程安全的，可单例重用)
try {
ConfigurationSettings config = PropertiesConfigurationLoader
.loadConfiguration("ctl.properties");
Engine engine = new Engine(config);
RestContextManager.setCTLEngine(engine);
} catch (Exception e) {
throw new RuntimeException("初始化CTL引擎失败", e);
}
}
private void initVelocity(ServletContextEvent event) {
String root = event.getServletContext().getRealPath("/");
Velocity.setProperty(Velocity.FILE_RESOURCE_LOADER_PATH, root);
try {
Velocity.init();
} catch (Exception e) {
throw new RuntimeException("初始化Velocity引擎失败", e);
}
}
}