fr.eurecom.nerd.client.Request2.java Source code

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Here is the source code for fr.eurecom.nerd.client.Request2.java

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//   nerd4java - A java library which provides a programmable interface to NERD
//               http://nerd.eurecom.fr
//
//   Copyright 2012
//
//   Authors:
//      Giuseppe Rizzo <giuse.rizzo@gmail.com>
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License published by
// the Free Software Foundation, either version 3 of the License, or (at 
// your option) any later version. See the file Documentation/GPL3 in the
// original distribution for details. There is ABSOLUTELY NO warranty.

package fr.eurecom.nerd.client;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;

import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;

import org.apache.commons.io.IOUtils;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;

public class Request2 {

    //private static int timeout = 600000;  //milliseconds, 10 min timeout
    protected enum RequestType {
        GET, POST
    }

    protected static synchronized String request(String uri, RequestType method,
            MultivaluedMap<String, String> queryParams) {
        HttpClient client = new DefaultHttpClient();

        //        System.out.println("TIMEOUTS= "+client.getProperties().get(ClientConfig.PROPERTY_READ_TIMEOUT)+"    "+client.getProperties().get(ClientConfig.PROPERTY_READ_TIMEOUT));
        //        client.setReadTimeout(timeout);
        //        client.setConnectTimeout(timeout);
        //
        //        System.out.println("TIMEOUTS= "+client.getProperties().get(ClientConfig.PROPERTY_READ_TIMEOUT)+"    "+client.getProperties().get(ClientConfig.PROPERTY_READ_TIMEOUT));

        //WebResource webResource = client.resource(uri);

        String json = null;

        List<NameValuePair> nameValuePairs = new LinkedList<NameValuePair>();
        Iterator<String> paramsIterator = queryParams.keySet().iterator();

        switch (method) {
        case GET:

            while (paramsIterator.hasNext()) {
                String param = paramsIterator.next();
                List<String> listValues = queryParams.get(param);
                String value = "";
                for (int v = 0; v < listValues.size(); v++) {
                    value = value + listValues.get(v);
                    if (v + 1 != listValues.size())
                        value = value + ",";
                }
                BasicNameValuePair pair = new BasicNameValuePair(param, value);
                nameValuePairs.add(pair);
            }

            String paramString = URLEncodedUtils.format(nameValuePairs, "utf-8");

            uri = uri + paramString;
            HttpGet get = new HttpGet(uri);

            try {
                HttpResponse response = client.execute(get);

                json = IOUtils.toString(response.getEntity().getContent(), "UTF-8");

            } catch (IOException e) {
                e.printStackTrace();
            }

            /*            json = webResource.
                    queryParams(queryParams).
                    accept(MediaType.APPLICATION_JSON_TYPE).
                    get(String.class);*/
            break;

        case POST:

            HttpPost post = new HttpPost(uri);
            try {

                while (paramsIterator.hasNext()) {
                    String param = paramsIterator.next();
                    List<String> listValues = queryParams.get(param);
                    String value = "";
                    for (int v = 0; v < listValues.size(); v++) {
                        value = value + listValues.get(v);
                        if (v + 1 != listValues.size())
                            value = value + ",";
                    }
                    BasicNameValuePair pair = new BasicNameValuePair(param, value);
                    nameValuePairs.add(pair);
                }

                post.setEntity(new UrlEncodedFormEntity(nameValuePairs));
                HttpResponse response = client.execute(post);

                json = IOUtils.toString(response.getEntity().getContent(), "UTF-8");

            } catch (IOException e) {
                e.printStackTrace();
            }

            /*            
                        json = webResource.
                    accept(MediaType.APPLICATION_JSON_TYPE). 
                    post(String.class, queryParams);
                        break;*/

        default:
            break;
        }

        return json;
    }
}