eu.city4ageproject.delivery.HTTPService.java Source code

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Here is the source code for eu.city4ageproject.delivery.HTTPService.java

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/*******************************************************************************
 * Copyright 2016 Universidad Politcnica de Madrid UPM
 * 
 * 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 eu.city4ageproject.delivery;

import java.io.IOException;
import java.io.PrintStream;

import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;
import org.universAAL.middleware.container.ModuleContext;
import org.universAAL.ri.servicegateway.GatewayPort;

import com.google.gson.GsonBuilder;
import com.google.gson.JsonSyntaxException;

import eu.city4ageproject.delivery.model.DeliveryRequest;

/**
 * @author amedrano
 *
 */
public final class HTTPService extends GatewayPort {

    /**
     * 
     */
    private static final long serialVersionUID = 8571701583484962621L;
    private Delivery delivery;

    /**
     * @param mcontext
     */
    public HTTPService(ModuleContext mcontext) {
        super(mcontext);
        delivery = new Delivery(mcontext);
    }

    private GsonBuilder gsonBuilder = new GsonBuilder();

    /**{@inheritDoc} */
    @Override
    public String url() {
        return "/delivery";
    }

    /**{@inheritDoc} */
    @Override
    public String dataDir() {
        return "dir";
    }

    /**{@inheritDoc} */
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        if (req.getContentType() != null && req.getContentType().toLowerCase().contains("application/json")
        //            && req.getCharacterEncoding() != null
        //            && req.getCharacterEncoding().toLowerCase().contains("utf")
        //            && req.getCharacterEncoding().toLowerCase().contains("8")
        ) {
            ServletInputStream is = req.getInputStream();
            String request = IOUtils.toString(is, "UTF-8");
            try {
                DeliveryRequest drequest = gsonBuilder.create().fromJson(request, DeliveryRequest.class);
                if (drequest.getPilotID() != null && !drequest.getPilotID().isEmpty()
                        && drequest.getUserID() != null && !drequest.getUserID().isEmpty()
                        && drequest.getIntervention() != null) {
                    //connect to uAAL
                    if (delivery.sendIntervention(drequest))
                        resp.setStatus(HttpServletResponse.SC_ACCEPTED);
                    else
                        resp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
                    return;
                }

                //TODO get parameters into the Actual delivery
            } catch (JsonSyntaxException e) {
                e.printStackTrace();

            }
            resp.setStatus(HttpServletResponse.SC_NOT_ACCEPTABLE);
            PrintStream ps = new PrintStream(resp.getOutputStream());
            ps.print("Request not acceptable.\n cotnent is not compliant to schema.");
        } else {
            resp.setStatus(HttpServletResponse.SC_NOT_ACCEPTABLE);
            resp.setContentType("text/html");
            resp.setCharacterEncoding("UTF-8");
            PrintStream ps = new PrintStream(resp.getOutputStream());
            ps.print("Request not acceptable.<br> " + "Content-Type: application/json <br>"
            //               +" Content-Encoding: UTF-8"
            );
        }
    }

}