(Java) Get the Photos for a User

Demonstrates how to get the photos that the user has uploaded.

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example assumes a previously obtained an access token
    CkOAuth2 oauth2 = new CkOAuth2();
    oauth2.put_AccessToken("FACEBOOK-ACCESS-TOKEN");

    CkRest rest = new CkRest();

    // Connect to Facebook.
    boolean success = rest.Connect("graph.facebook.com",443,true,true);
    if (success != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    // Provide the authentication credentials (i.e. the access key)
    rest.SetAuthOAuth2(oauth2);

    // Indicate that we only want the photos the user has personally uploaded.
    rest.AddQueryParam("type","uploaded");

    // We could limit the number of photos by setting a limit.
    rest.AddQueryParam("limit","5");

    // Gets the 1st page of photos. (Not the actual image data, but the information about each photo.)
    // See https://developers.facebook.com/docs/graph-api/reference/user/photos/ for more information.
    String responseJson = rest.fullRequestNoBody("GET","/v2.7/me/photos");
    if (rest.get_LastMethodSuccess() != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    CkJsonObject json = new CkJsonObject();
    json.put_EmitCompact(false);
    json.Load(responseJson);
    System.out.println(json.emit());

    // A sample JSON response is shown below.  
    // This is the code to parse the JSON response.

    CkDateTime dtime = new CkDateTime();
    boolean bLocalTime = true;

    CkDtObj dt;
    int i = 0;
    int numItems = json.SizeOfArray("data");
    while (i < numItems) {
        json.put_I(i);
        System.out.println("--- " + i);
        String name = json.stringOf("data[i].name");
        if (json.get_LastMethodSuccess() == true) {
            System.out.println("name: " + name);
            }

        System.out.println("id: " + json.stringOf("data[i].id"));

        // We can load the created_time into a CkDateTime...
        dtime.SetFromTimestamp(json.stringOf("data[i].created_time"));
        dt = dtime.GetDtObj(bLocalTime);
        System.out.println(dt.get_Month() + "/" + dt.get_Day() + "/" + dt.get_Year() + "  " + dt.get_Hour() + ":"
             + dt.get_Minute());

        i = i+1;
        }

    // We can get the paging information as follows:
    System.out.println("URL for next page: " + json.stringOf("paging.next"));
    System.out.println("before cursor: " + json.stringOf("paging.cursors.before"));
    System.out.println("after cursor: " + json.stringOf("paging.cursors.after"));

    // This is a sample JSON response:
    // { 
    //   "data": [
    //     {
    //       "created_time": "2016-09-29T20:46:18+0000",
    //       "name": "Ignore my posts -- I'm doing some testing for Facebook related programming...",
    //       "id": "10210199026347451"
    //     },
    //     { 
    //       "created_time": "2016-09-19T02:00:42+0000",
    //       "id": "10210091531240138"
    //     },
    //     { 
    //       "created_time": "2016-09-19T02:00:42+0000",
    //       "id": "10210091520620125"
    //     },
    //     { 
    //       "created_time": "2016-09-19T01:59:46+0000",
    //       "name": "I would've went for a swim had it not been for the sign",
    //       "id": "10210091522299917"
    //     },
    //     { 
    //       "created_time": "2016-09-12T00:37:35+0000",
    //       "id": "10210023316834798"
    //     }
    //   ],
    //   "paging": { 
    //     "cursors": { 
    //       "before": "MTAyMTAxOTkwMjYzNDc0NTEZD",
    //       "after": "MTAyMTAwMjMzMTU4MzQ3OTgZD"
    //     },
    //     "next": "https:\/\/graph.facebook.com\/v2.7\/10224048320139890\/photos?type=uploaded&limit=5&after=MTAyMTAwMjMzMTU4MzQ3OTgZD"
    //   }
    // }
    // 
  }
}