proci.WebHandler.java Source code

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Here is the source code for proci.WebHandler.java

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/*
Gestione Soci Protezione Civile
Copyright (C) Simeosoft di Carlo Simeone
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package proci;

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringWriter;
import java.net.URI;
import java.util.Map;
import org.apache.commons.io.IOUtils;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author simeo
 */
public class WebHandler implements HttpHandler {
    static final Logger logger = LoggerFactory.getLogger(WebHandler.class);

    @Override
    public void handle(HttpExchange t) throws IOException {
        logger.debug("HttpExchange from: {}", t.getRemoteAddress().getHostString());
        for (Map.Entry entry : t.getRequestHeaders().entrySet()) {
            logger.debug("header: {},{}", entry.getKey(), entry.getValue());
        }
        URI uri = t.getRequestURI();
        logger.debug("Path: {}", uri.getPath());
        logger.debug("Query: {}", uri.getQuery());
        String page = uri.getPath().replaceAll(App.HTTPCONTEXT, "").substring(1);
        logger.debug("Page: {}", page);
        //
        int code = 0;
        String response;
        JSONObject respJSON = new JSONObject();
        t.getResponseHeaders().add("Content-type:", "application/json");
        // tratto per semplicit allo stesso modo tutti i request method (POST,GET..)
        switch (page) {
        // funzione di status
        case "status":
            respJSON.put("status", "OK");
            respJSON.put("message", "Proci ver.: " + App.VERSION);
            code = 200;
            break;
        // upload immagine (solo se nella funzione)
        case "send":
            StringWriter sw = new StringWriter();
            IOUtils.copy(t.getRequestBody(), sw, "UTF-8");
            String in = sw.toString();
            logger.debug("String in: {}", in);
            JSONParser parser = new JSONParser();
            try {
                JSONObject obj2 = (JSONObject) parser.parse(in);
            } catch (ParseException pe) {
                respJSON.put("status", "ERRORE!");
                respJSON.put("message", "PARSE EXCEPTION: " + pe.getLocalizedMessage());
            }
            code = 200;
            break;
        default:
            respJSON.put("status", "ERRORE!");
            respJSON.put("message", "Pagina non trovata!");
            code = 404;
        }
        // risposta
        response = respJSON.toJSONString();
        t.sendResponseHeaders(code, response.getBytes("UTF-8").length);
        try (OutputStream os = t.getResponseBody()) {
            os.write(response.getBytes());
        }
    }
}