com.ayovel.nian.servlet.UserBaseServlet.java Source code

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Here is the source code for com.ayovel.nian.servlet.UserBaseServlet.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 com.ayovel.nian.servlet;

import com.ayovel.nian.exception.ErrorCode;
import com.ayovel.nian.exception.XServletException;
import com.ayovel.nian.utils.RestConstants;
import org.apache.commons.lang3.StringUtils;
import org.json.simple.JSONObject;

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

public abstract class UserBaseServlet extends JsonRestServlet {

    private final long serialVersionUID = 3563931679909603943L;

    /**
     * ??
     */
    @Override
    protected void doPut(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String action = request.getParameter(RestConstants.ACTION_PARAM);
        String userid = request.getParameter(RestConstants.USER_ID);

        JSONObject json;
        if (action.equals(RestConstants.USER_LOGIN)) {
            json = userLogin(request, response);
            userid = (String) json.get("userid");
            response.sendRedirect("mainpage");//?
            if (StringUtils.isNotEmpty(userid)) {
                response.sendRedirect("mainpage");//?
            }
        } else if (action.equals(RestConstants.USER_REG)) {
            json = getUserReg(request, response);
            userid = (String) json.get("userid");
            if (StringUtils.isNotEmpty(userid)) {
                response.sendRedirect("mainpage");//?
            }

        } else {//userid?
            if (StringUtils.isEmpty(userid)) {
                response.sendRedirect("userlogin");//?
            }
        }

        if (action.equals(RestConstants.USER_HOME)) {
            json = getUserHome(request, response);
        } else if (action.equals(RestConstants.USER_INFO)) {
            json = getUserInfo(request, response);
        } else {
            throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0303,
                    RestConstants.ACTION_PARAM, action);
        }

        if (json != null) {
            sendJsonResponse(response, HttpServletResponse.SC_OK, json);
        } else {
            response.setStatus(HttpServletResponse.SC_OK);
        }
    }

    abstract JSONObject userLogin(HttpServletRequest request, HttpServletResponse response);

    abstract JSONObject getUserHome(HttpServletRequest request, HttpServletResponse response);

    abstract JSONObject getUserInfo(HttpServletRequest request, HttpServletResponse response);

    abstract JSONObject getUserReg(HttpServletRequest request, HttpServletResponse response);

}