com.mydomain.teavmfirstapp.Server.java Source code

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Here is the source code for com.mydomain.teavmfirstapp.Server.java

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/*
 *  Copyright 2014 Alexey Andreev.
 *
 *  Licensed 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.mydomain.teavmfirstapp;

import java.io.File;
import java.io.InputStreamReader;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

@WebServlet("/hello")
public class Server extends HttpServlet {
    private static final long serialVersionUID = -5014505771271825585L;
    private static JSONParser parser = new JSONParser();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, FileNotFoundException, IOException {
        try {
            Thread.sleep(500);
        } catch (InterruptedException e) {
            return;
        }
        String action = req.getHeader("action");
        if (action.equals("loadData") == true) {
            try {
                JSONObject json = (JSONObject) parser.parse(
                        new InputStreamReader(getClass().getClassLoader().getResourceAsStream("/com/DBjson.json")));
                json.writeJSONString(resp.getWriter());
            } catch (ParseException e) {
                e.printStackTrace();
            }
        } else if (action.equals("saveData") == true) {
            String JSON = req.getHeader("JSON");
            try {
                File myFile = new File(getClass().getClassLoader().getResource("/com/DBjson.json").getPath());
                FileOutputStream fileStream = new FileOutputStream(myFile, false);
                byte[] myBytes = JSON.getBytes();
                fileStream.write(myBytes);
                fileStream.close();
                System.out.println(
                        "? ?. ,  ? - ");
                try {
                    JSONObject json = (JSONObject) parser.parse(new InputStreamReader(
                            getClass().getClassLoader().getResourceAsStream("/com/DBjson.json")));
                    System.out.println(json.toJSONString());
                } catch (ParseException e) {
                    e.printStackTrace();
                }
                resp.getHeader("NAME");
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}