com.newproject.ApacheHttp.java Source code

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Here is the source code for com.newproject.ApacheHttp.java

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package com.newproject;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

public class ApacheHttp {

    public static void main(String[] args) throws Exception {
        CloseableHttpClient httpclient = HttpClients.createDefault();
        String jsonFilePath = "/Users/vikasmohandoss/Documents/Cloud/test.txt";
        String url = "http://www.sentiment140.com/api/bulkClassifyJson&appid=vm2446@columbia.edu";
        JSONParser jsonParser = new JSONParser();
        JSONObject jsonObject = new JSONObject();
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
        try {
            FileReader fileReader = new FileReader(jsonFilePath);
            jsonObject = (JSONObject) jsonParser.parse(fileReader);
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ParseException e) {
            e.printStackTrace();
        }
        System.out.println(jsonObject.toString());
        /*try {
        /*HttpGet httpGet = new HttpGet("http://httpbin.org/get");
        CloseableHttpResponse response1 = httpclient.execute(httpGet);
        // The underlying HTTP connection is still held by the response object
        // to allow the response content to be streamed directly from the network socket.
        // In order to ensure correct deallocation of system resources
        // the user MUST call CloseableHttpResponse#close() from a finally clause.
        // Please note that if response content is not fully consumed the underlying
        // connection cannot be safely re-used and will be shut down and discarded
        // by the connection manager.
        try {
            System.out.println(response1.getStatusLine());
            HttpEntity entity1 = response1.getEntity();
            // do something useful with the response body
            // and ensure it is fully consumed
            EntityUtils.consume(entity1);
        } finally {
            response1.close();
        }
        HttpPost httpPost = new HttpPost("http://httpbin.org/post");
        List <NameValuePair> nvps = new ArrayList <NameValuePair>();
        nvps.add(new BasicNameValuePair("username", "vip"));
        nvps.add(new BasicNameValuePair("password", "secret"));
        httpPost.setEntity(new UrlEncodedFormEntity(nvps));
        CloseableHttpResponse response2 = httpclient.execute(httpPost);
            
        try {
            System.out.println(response2.getStatusLine());
            HttpEntity entity2 = response2.getEntity();
            // do something useful with the response body
            // and ensure it is fully consumed
            EntityUtils.consume(entity2);
        } finally {
            response2.close();
        }
        } finally {
        httpclient.close();
        }*/
        try {
            HttpPost request = new HttpPost("http://www.sentiment140.com/api/bulkClassifyJson");
            StringEntity params = new StringEntity(jsonObject.toString());
            request.addHeader("content-type", "application/json");
            request.setEntity(params);
            HttpResponse response = httpclient.execute(request);
            System.out.println(response.toString());
            String result = EntityUtils.toString(response.getEntity());
            System.out.println(result);
            try {
                File file = new File("/Users/vikasmohandoss/Documents/Cloud/sentiment.txt");
                // if file doesnt exists, then create it
                if (!file.exists()) {
                    file.createNewFile();
                }
                FileWriter fw = new FileWriter(file.getAbsoluteFile());
                BufferedWriter bw = new BufferedWriter(fw);
                bw.write(result);
                bw.close();
                System.out.println("Done");
            } catch (IOException e) {
                e.printStackTrace();
            }
            // handle response here...
        } catch (Exception ex) {
            // handle exception here
        } finally {
            httpclient.close();
        }
    }
}