myservletaction.java

这是一个自己开发的java框架 类似于 struts 用于喜欢研究框架的朋友们

package action;

import java.io.File;
import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import tools.ActionTool;
import tools.ReadXmlTool;
import tools.UtilTool;
import config.MyConfig;
import exception.ActionHasError;
import exception.FormHasError;
import exception.ForwardHasError;

public class MyServletAction extends HttpServlet {
	private static MyAction action = null;

	private static MyMapping mapping = new MyMapping();

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// 读取XML文件
		ReadXmlTool readxml = new ReadXmlTool();
		String address = request.getSession().getServletContext().getRealPath(
				"/WEB-INF/mystruts-config.xml");
		System.out.println(address);
		// 得到config对象
		File file = new File(address);
		MyConfig config = readxml.parse(file);
		MyForm form = null;
		MyForward forward = null;
		// 填充form

		try {
			form = UtilTool.InsertForm(request, config);
		} catch (ActionHasError e1) {
			e1.printException();
		} catch (FormHasError e1) {
			e1.printException();
		} catch (ForwardHasError e1) {
			e1.printException();
		}
		System.out.println("-----------"+action);
		action = null;
		if (action == null) {
			try {
				action = ActionTool.getMyAction(request,config);
				System.out.println(action);
			} catch (Exception e1) {
				e1.printStackTrace();
			}

			try {
				forward = action.myexecute(mapping, form, request, response);
				System.out.println("***********"+forward);
			} catch (Exception e) {
				e.printStackTrace();
			}

		}
		System.out.println(forward.getForward());
		String fwstr = forward.getForward();
		String fadd = "";
		try {
			fadd = ActionTool.getSendAddress(config, fwstr);
			System.out.println(fadd);
		} catch (ForwardHasError e) {
			e.printException();
		}
		request.getRequestDispatcher(fadd).forward(request,response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doGet(request, response);
	}

}