link.jfire.mvc.interceptor.impl.DataBinderInterceptor Maven / Gradle / Ivy
package link.jfire.mvc.interceptor.impl;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import link.jfire.mvc.binder.DataBinder;
import link.jfire.mvc.core.Action;
import link.jfire.mvc.interceptor.ActionInterceptor;
@Resource
public class DataBinderInterceptor implements ActionInterceptor
{
public static final String DATABINDERKEY = "databinder_key" + System.currentTimeMillis();
private ThreadLocal> mapLocal = new ThreadLocal>() {
protected Map initialValue()
{
return new HashMap();
}
};
@Override
public int getOrder()
{
return 12;
}
@Override
public boolean interceptor(HttpServletRequest request, HttpServletResponse response, Action action)
{
Map map = mapLocal.get();
map.clear();
if (action.isReadStream() == false)
{
Enumeration names = request.getParameterNames();
String name = null;
while (names.hasMoreElements())
{
name = names.nextElement();
map.put(name, request.getParameter(name));
}
}
if (action.isRest())
{
action.getRestfulRule().getObtain(request.getRequestURI(), map);
}
request.setAttribute(DATABINDERKEY, buildParams(action, request, map, response));
return true;
}
private Object[] buildParams(Action action, HttpServletRequest request, Map map, HttpServletResponse response)
{
DataBinder[] dataBinders = action.getDataBinders();
int length = dataBinders.length;
Object[] param = new Object[length];
for (int i = 0; i < length; i++)
{
param[i] = dataBinders[i].binder(request, map, response);
}
return param;
}
}