eurecom.common.util.WSUtils.java Source code

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Here is the source code for eurecom.common.util.WSUtils.java

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/*******************************************************************************
Machine to Machine Measurement (M3) Framework 
Copyright(c) 2012 - 2015 Eurecom
    
M3 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 3 of the License, or
(at your option) any later version.
    
    
M3 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 M3. The full GNU General Public License is 
   included in this distribution in the file called "COPYING". If not, 
   see <http://www.gnu.org/licenses/>.
    
  Contact Information
  M3 : gyrard__at__eurecom.fr, bonnet__at__eurecom.fr, karima.boudaoud__at__unice.fr
      
The M3 framework has been designed and implemented during Amelie Gyrard's thesis.
She is a PhD student at Eurecom under the supervision of Prof. Christian Bonnet (Eurecom) and Dr. Karima Boudaoud (I3S-CNRS/University of Nice Sophia Antipolis).
This work is supported by the Com4Innov platform of the Pole SCS and DataTweet (ANR-13-INFR-0008). 
      
  Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
    
 *******************************************************************************/
package eurecom.common.util;

import java.io.FileNotFoundException;
import java.io.FileReader;

import javax.ws.rs.core.MediaType;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;

import net.sf.json.JSON;
import net.sf.json.JSONSerializer;
import net.sf.json.xml.XMLSerializer;

//import sun.misc.IOUtils;
import com.google.appengine.labs.repackaged.org.json.JSONException;
import com.google.appengine.labs.repackaged.org.json.JSONObject;
import com.google.appengine.labs.repackaged.org.json.XML;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;

import eurecom.data.converter.Measurements;

/**
 * Functions to read a file, query a web service, etc.
 * @author Amelie gyrard
 *
 */
public class WSUtils {

    /**
     * Convert a xml string into a json string
     * @param xml the string to convert into json
     * @return the json string
     * @throws JSONException
     */
    public static String convertXmlToJson(String xml) throws JSONException {
        JSONObject json;
        String res = "";
        json = XML.toJSONObject(xml);
        res = json.toString();
        return res;
    }

    public static String convertJsonToXml(String jsonData) throws JSONException {
        XMLSerializer serializer = new XMLSerializer();
        JSON json = JSONSerializer.toJSON(jsonData);
        String xml = serializer.write(json);
        //System.out.println(xml); 
        return xml;
    }

    public static String queryWebServiceJSON(String urlWebService) {
        Client client = Client.create();
        client.setConnectTimeout(120000); //120 Seconds
        client.setReadTimeout(120000); //120 Seconds
        WebResource webResource = client.resource(urlWebService);
        WebResource.Builder builder = webResource.accept(MediaType.APPLICATION_JSON_TYPE);
        String result = builder.get(String.class); //

        //System.out.println("result senml api:" + result);
        return result;
    }

    public static String queryWebServicSPARQLGenerated(String urlWebService) {
        Client client = Client.create();
        client.setConnectTimeout(120000); //120 Seconds
        client.setReadTimeout(120000); //120 Seconds
        WebResource webResource = client.resource(urlWebService);
        WebResource.Builder builder = webResource.accept(MediaType.TEXT_PLAIN);
        String result = builder.get(String.class); //

        //System.out.println("result senml api:" + result);
        return result;
    }

    /**
     * Read an XML file and transforms XML data into RDF data
     * @param file
     * @return
     * @throws JAXBException
     * @throws FileNotFoundException
     */
    public static Measurements readXMLFile(String file) throws JAXBException, FileNotFoundException {
        JAXBContext context = JAXBContext.newInstance(Measurements.class);
        Unmarshaller um = context.createUnmarshaller();
        Measurements measurement = (Measurements) um.unmarshal(new FileReader(file));
        return measurement;
    }

}