svgservlet.java

svg gwt 监控软件 大的 大 发了佛法ffffffffff发的司法

package com.mc.svg.servlet;

import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Writer;

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

import com.mc.svg.SVGCanvas;
import com.mc.svg.servlet.action.SVGAction;

@SuppressWarnings("serial")
public class SvgServlet extends HttpServlet {

	public void init(ServletConfig config) throws ServletException {

	}

	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {

		String sUrl = request.getRequestURL().toString();
		String rootPath = request.getContextPath() + "/";
		int iFrom = sUrl.indexOf(rootPath);
		iFrom += rootPath.length();

		int iEnd = sUrl.lastIndexOf(".svg");

		String commandID = sUrl.substring(iFrom, iEnd);

		HttpSession ss = request.getSession();
		SVGCanvas canvas = (SVGCanvas) ss.getAttribute(commandID);
		if (canvas == null) {
			canvas = new SVGCanvas(600, 400);
		}

		try {
			Class a = Class.forName(commandID);

			Object obj = a.newInstance();

			SVGAction action = (SVGAction) obj;

			canvas = action.execute(canvas, request.getParameterMap());
			ss.setAttribute(commandID, canvas);
		} catch (Exception e) {
			e.printStackTrace();
		}

		response.setCharacterEncoding("UTF-8");
		response.setContentType("image/svg+xml");
		//response.se
		PrintWriter out = response.getWriter();

		Writer out2 = new OutputStreamWriter(System.out, "UTF-8");

		canvas.setOutPut(out2);

		canvas.exportSVG();

		canvas.setOutPut(out);

		canvas.exportSVG();

	}

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

	public void destroy() {

	}

}