com.aws.sampleImage.url.TestHttpGetFlickrAPI.java Source code

Introduction

Here is the source code for com.aws.sampleImage.url.TestHttpGetFlickrAPI.java

Source

package com.aws.sampleImage.url;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

import com.amazonaws.services.dynamodbv2.model.DescribeTableRequest;
import com.amazonaws.services.dynamodbv2.model.TableDescription;
import com.amazonaws.util.json.JSONArray;
import com.amazonaws.util.json.JSONException;
import com.amazonaws.util.json.JSONObject;

public class TestHttpGetFlickrAPI {

    public static void main(String[] args) throws IOException, JSONException {
        //String query = "church";
        //String query = "sukriti";
        String query = "people";
        System.out.println(callFlickrAPIForEachKeyword(query));

        String abc = "abcdef)";

        System.out.println(abc.substring(0, abc.lastIndexOf(")")));

    }

    private static String callFlickrAPIForEachKeyword(String query) throws IOException, JSONException {
        String apiKey = "ad4f88ecfd53b17f93178e19703fe00d";
        String apiSecret = "96cab0e9f89468d6";

        int totalPages = 4;

        int total = 500;
        int perPage = 500;

        int counter = 0;

        int currentCount = 0;

        for (int i = 1; i <= totalPages && currentCount <= total; i++, currentCount = currentCount + perPage) {

            String url = "https://api.flickr.com/services/rest/?method=flickr.photos.search&text=" + query
                    + "&extras=url_c,url_m,url_n,license,owner_name&per_page=500&page=" + i
                    + "&format=json&api_key=" + apiKey + "&api_secret=" + apiSecret + "&license=4,5,6,7,8";

            System.out.println("URL FORMED --> " + url);

            CloseableHttpClient httpClient = HttpClients.createDefault();
            HttpGet httpGet = new HttpGet(url);
            CloseableHttpResponse httpResponse = httpClient.execute(httpGet);

            System.out.println("GET Response Status:: " + httpResponse.getStatusLine().getStatusCode());

            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(httpResponse.getEntity().getContent()));

            String inputLine;
            StringBuffer response = new StringBuffer();

            while ((inputLine = reader.readLine()) != null) {
                response.append(inputLine);
            }
            reader.close();

            String responseString = response.toString();

            responseString = responseString.replace("jsonFlickrApi(", "");

            int length = responseString.length();

            responseString = responseString.substring(0, length - 1);

            // print result
            System.out.println("After making it a valid JSON --> " + responseString);
            httpClient.close();

            JSONObject json = null;
            try {
                json = new JSONObject(responseString);
            } catch (JSONException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            //System.out.println("Converted JSON String " + json);

            JSONObject photosObj = json.has("photos") ? json.getJSONObject("photos") : null;
            total = photosObj.has("total") ? (Integer.parseInt(photosObj.getString("total"))) : 0;
            perPage = photosObj.has("perpage") ? (Integer.parseInt(photosObj.getString("perpage"))) : 0;

            System.out.println(" perPage --> " + perPage + " total --> " + total);

            JSONArray photoArr = photosObj.getJSONArray("photo");
            System.out.println("Length of Array --> " + photoArr.length());
            String scrapedImageURL = "";

            for (int itr = 0; itr < photoArr.length(); itr++) {
                JSONObject tempObject = photoArr.getJSONObject(itr);
                scrapedImageURL = tempObject.has("url_c") ? tempObject.getString("url_c")
                        : tempObject.has("url_m") ? tempObject.getString("url_m")
                                : tempObject.has("url_n") ? tempObject.getString("url_n") : "";

                //System.out.println("Scraped Image URL --> " + scrapedImageURL);

                counter++;
            }

        }

        System.out.println("C O U N T E R -> " + counter);
        return null;
    }

    private static void insertScrapedImageURLsInDynamoDB(String synsetCode, String scrapedImageUrl) {
        String tableName = "image_urls_b";

        DescribeTableRequest describeTableRequest = new DescribeTableRequest().withTableName(tableName);
        //TableDescription tableDescription = dynamoDB.describeTable(describeTableRequest).getTable();
        //System.out.println("Table Description: " + tableDescription);

    }
}