plugins.marauders.MaraudersDELETEServlet.java Source code

Introduction

Here is the source code for plugins.marauders.MaraudersDELETEServlet.java

Source

/*
 * MaraudersDELETEServlet.java
 * Nov 11, 2015
 *
 * Simple Web Server (SWS) for EE407/507 and CS455/555
 * 
 * Copyright (C) 2011 Chandan Raj Rupakheti, Clarkson University
 * 
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License 
 * as published by the Free Software Foundation, either 
 * version 3 of the License, or any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/lgpl.html>.
 * 
 * Contact Us:
 * Chandan Raj Rupakheti (rupakhcr@clarkson.edu)
 * Department of Electrical and Computer Engineering
 * Clarkson University
 * Potsdam
 * NY 13699-5722
 * http://clarkson.edu/~rupakhcr
 */

package plugins.marauders;

import java.io.File;
import java.io.FileOutputStream;
import java.util.HashMap;
import java.util.Random;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;

import plugins.Servlet;
import protocol.HttpRequest;
import protocol.HttpResponse;
import protocol.HttpResponseFactory;
import protocol.Protocol;

/**
 * 
 * @author Chandan R. Rupakheti (rupakhcr@clarkson.edu)
 * Chandan-- change me! 
 */
public class MaraudersDELETEServlet extends Servlet {
    public MaraudersDELETEServlet() {
        super();
    }

    public MaraudersDELETEServlet(String rootDirectory) {
        super(rootDirectory, MaraudersDELETEServlet.class.getName());
    }

    /* (non-Javadoc)
     * @see plugins.Servlet#handleRequest(protocol.HttpRequest)
     */
    @Override
    public HttpResponse handleRequest(HttpRequest request) {
        String body = new String(request.getBody());
        ObjectMapper mapper = new ObjectMapper();
        TypeReference<HashMap<String, Object>> typeReference = new TypeReference<HashMap<String, Object>>() {
        };
        try {
            HashMap<String, Object> map = mapper.readValue(body, typeReference);
            String nameObj = (String) map.get("name");
            String passphraseObj = (String) map.get("passphrase");

            Data d = MaraudersInteractor.getData();
            boolean okPassphrase = passphraseObj.equals(d.passphrase);
            if (okPassphrase) {
                boolean b = MaraudersInteractor.deleteStudent(nameObj);
                if (b) {

                    HttpResponse res = HttpResponseFactory.createDelete(Protocol.CLOSE);

                    return res;

                } else {
                    return HttpResponseFactory.create304NotModified(Protocol.CLOSE);
                }
            } else {
                Random rand = new Random();
                int id = rand.nextInt(d.maxInsultID + 1);

                try {
                    Insult i = MaraudersInteractor.getInsult(id + "");
                    File f = File.createTempFile("temp", ".txt");

                    FileOutputStream fos = new FileOutputStream(f);
                    fos.write((i.toString()).getBytes());
                    fos.flush();
                    fos.close();

                    HttpResponse res = HttpResponseFactory.create394Insult(f, Protocol.CLOSE);
                    //f.delete();
                    return res;
                } catch (Exception e) {
                    e.printStackTrace();
                    return HttpResponseFactory.create400BadRequest(Protocol.CLOSE);
                }
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
        return HttpResponseFactory.create400BadRequest(Protocol.CLOSE);

    }

}