Hessian源码分析和Hack --让Hessian携带远程调用端的信息 - 编程入门网
作者 佚名技术
来源 NET编程
浏览
发布时间 2012-06-16
ss.getInterfaces();
if (interfaces.length == 1)
return interfaces[0];
return findRemoteAPI(implClass.getSuperclass());
}
private Class loadClass(String className)
throws ClassNotFoundException
{
ClassLoader loader = Thread.currentThread().getContextClassLoader();
if (loader != null)
return Class.forName(className, false, loader);
else
return Class.forName(className);
}
private void init(Object service)
throws ServletException
{
if (service instanceof Service)
((Service) service).init(getServletConfig());
else if (service instanceof Servlet)
((Servlet) service).init(getServletConfig());
}
/**
* Execute a request. The path-info of the request selects the bean.
* Once the bean''s selected, it will be applied.
*/
public void service(ServletRequest request, ServletResponse response)
throws IOException, ServletException
{
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse res = (HttpServletResponse) response;
if (! req.getMethod().equals("POST")) {
res.setStatus(500, "Hessian Requires POST");
PrintWriter out = res.getWriter();
res.setContentType("text/html");
out.println("<h1>Hessian Requires POST</h1>");
return;
}
String serviceId = req.getPathInfo();
String objectId = req.getParameter("id");
if (objectId == null)
objectId = req.getParameter("ejbid");
ServiceContext.begin(req, serviceId, objectId);
try {
InputStream is = request.getInputStream();
OutputStream os = response.getOutputStream();
Hessian2Input in = new Hessian2Input(is);
AbstractHessianOutput out;
SerializerFactory serializerFactory = getSerializerFactory();
in.setSerializerFactory(serializerFactory);
int code = in.read();
if (code != ''c'') {
// XXX: deflate
throw new IOException("expected ''c'' in hessian input at " + code);
}
int major = in.read();
int minor = in.read();
if (major >= 2)
out = new Hessian2Output(os);
else
out = new HessianOutput(os);
out.setSerializerFactory(serializerFactory);
if (objectId != null)
_objectSkeleton.invoke(in, out);
else
_homeSkeleton.invoke(in, out);
out.close();
} catch (RuntimeException e) {
throw e;
} catch (ServletException e) {
throw e;
} catch (Throwable e) {
throw new ServletException(e);
} finally {
ServiceContext.end();
}
}
}
Hessian源码分析和Hack --让Hessian携带远程调用端的信息(3)时间:2011-06-25 iteye先看init()函数，功能还是一样，初始话一些东西，读入init-param的内容，并且load这些init-param的class 主要的还是service()函数 在service函数里边会获得request和response对象的输入和输出流，用来构造Hessian2Input和Hessia |
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