MangoStatServlet.java

/*
 * Copyright 2014 mango.jfaster.org
 *
 * The Mango Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package org.jfaster.mango.plugin.stats;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author ash
 */
public class MangoStatServlet extends HttpServlet {

  private final static String KEY_NAME = "key";
  private String key;

  @Override
  public void init(ServletConfig config) throws ServletException {
    key = config.getInitParameter(KEY_NAME);
  }

  @Override
  protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setCharacterEncoding("UTF-8");
    resp.setHeader("content-type", "text/html;charset=UTF-8");
    PrintWriter out = resp.getWriter();

    String pKey = req.getParameter(KEY_NAME);
    if (key != null && !key.equals(pKey)) {
      resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
      out.println("404");
      out.flush();
      return;
    }

    try {
      out.println(StatsRender.getHtml(Boolean.valueOf(req.getParameter("all"))));
      out.flush();
    } catch (Exception e) {
      out.println(e.getMessage());
      out.flush();
    }
  }

}