Subversion Repositories bacoAlunos

package pt.estgp.es.exemplos.hibernate.web.rest;

import org.json.JSONException;

import org.json.JSONObject;

import pt.estgp.es.exemplos.hibernate.utils.StreamsUtils;

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.InputStream;

import java.io.OutputStream;

import java.io.PrintWriter;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

public abstract class AbstractRestServlet extends HttpServlet

{

    @1.5.0/docs/api/java/lang/Override.html">Override

    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, 1.5.0/docs/api/java/io/IOException.html">IOException {

        process(req,resp);

    }

    @1.5.0/docs/api/java/lang/Override.html">Override

    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, 1.5.0/docs/api/java/io/IOException.html">IOException {

        process(req,resp);

    }

    protected void process(HttpServletRequest req, HttpServletResponse resp) throws ServletException, 1.5.0/docs/api/java/io/IOException.html">IOException

    {

        JSONObject requestObj;

        if(req.getContentType().equalsIgnoreCase("application/json"))

        {

            5+0%2Fdocs%2Fapi+InputStream">InputStream content = req.getInputStream();

            if(content != null)

            {

                1.5.0/docs/api/java/lang/String.html">String json = StreamsUtils.readString(content);

                try {

                    requestObj = new JSONObject(json);

                    1.5.0/docs/api/java/lang/System.html">System.out.println("REQUEST JSON:");

                    1.5.0/docs/api/java/lang/System.html">System.out.println(requestObj.toString());

                    1.5.0/docs/api/java/lang/String.html">String service = requestObj.getString("service");

                    1.5.0/docs/api/java/lang/String.html">String data = requestObj.has("data") ? requestObj.getString("data") : null;

                    1.5.0/docs/api/java/lang/reflect/Method.html">Method innerMethod = this.getClass().getMethod(service,new 1.5.0/docs/api/java/lang/Class.html">Class[]{

                            JSONObject.class,

                            HttpServletRequest.class,

                            HttpServletResponse.class});

                    JSONObject obj = (JSONObject) innerMethod.invoke(this,new 5+0%2Fdocs%2Fapi+Object">Object[]{data,req,resp});

                    JSONObject response = new JSONObject();

                    response.put("service","ok");

                    response.put("response",obj);

                    resp.setContentType("application/json");

                    1.5.0/docs/api/java/io/PrintWriter.html">PrintWriter pw = resp.getWriter();

                    pw.write(obj.toString());

                } catch (1.5.0/docs/api/java/lang/Throwable.html">Throwable e) {

                    e.printStackTrace();

                    JSONObject response = new JSONObject();

                    try {

                        response.put("service","error");

                        response.put("cause",e.toString());

                        resp.setContentType("application/json");

                        1.5.0/docs/api/java/io/PrintWriter.html">PrintWriter pw = resp.getWriter();

                        pw.write(response.toString());

                    } catch (JSONException e1) {

                        e1.printStackTrace();

                    }

                }

            }

        }

    }

}