Chilkat Examples

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(Java) Get Individual Photo Info

Assuming we have the ID of a Photo, this example demonstrates how to retrieve the photo information and parse the JSON.

Chilkat Java Downloads

Java Libs for Windows, MacOS, Linux, Alpine Linux, Solaris

Java Libs for Android

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);

    // Assumes we've already obtained a Photo ID.
    String photoId = "10210199026347451";

    CkStringBuilder sbPath = new CkStringBuilder();
    sbPath.Append("/v2.7/");
    sbPath.Append(photoId);

    // Select the fields we want.
    // This example will select many of the possible fields.
    // See https://developers.facebook.com/docs/graph-api/reference/photo/
    rest.AddQueryParam("fields","id,album,can_delete,can_tag,from,height,width,images,link,name,name_tags,picture,place,target");

    String responseJson = rest.fullRequestNoBody("GET",sbPath.getAsString());
    if (rest.get_LastMethodSuccess() != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    CkJsonObject json = new CkJsonObject();
    json.put_EmitCompact(false);
    json.Load(responseJson);

    // Show the JSON in human-readable format.
    System.out.println(json.emit());

    // A sample response is shown below.
    // Demonstrate how to parse values from the JSON.
    System.out.println("Album name: " + json.stringOf("album.name"));
    boolean canDelete = json.BoolOf("can_delete");
    System.out.println("Can Delete: " + canDelete);
    System.out.println("From Name: " + json.stringOf("from.name"));
    int height = json.IntOf("height");
    int width = json.IntOf("width");
    System.out.println("Dimensions: " + width + "x" + height);
    System.out.println("First Image Source: " + json.stringOf("images[0].source"));

    // A sample JSON response is shown here.  
    // { 
    //   "id": "10210199026347451",
    //   "album": { 
    //     "created_time": "2009-10-19T00:06:46+0000",
    //     "name": "Timeline Photos",
    //     "id": "1237223526054"
    //   },
    //   "can_delete": true,
    //   "can_tag": true,
    //   "from": { 
    //     "name": "Matt Smith",
    //     "id": "10224048320139890"
    //   },
    //   "height": 120,
    //   "width": 120,
    //   "images": [
    //     { 
    //       "height": 120,
    //       "source": "https:\/\/scontent.xx.fbcdn.net\/v\/t1.0-9\/14462791_10210199026347451_7830642117574407060_n.jpg?oh=a7f9ed10cf9cd81a82adeb541c60e2e2&oe=58ABB195",
    //       "width": 120
    //     }
    //   ],
    //   "link": "https:\/\/www.facebook.com\/photo.php?fbid=10210199026347451&set=a.1237223526054.2038240.1093202869&type=3",
    //   "name": "Ignore my posts -- I'm doing some testing for Facebook related programming...",
    //   "picture": "https:\/\/scontent.xx.fbcdn.net\/v\/t1.0-9\/14462791_10210199026347451_7830642117574407060_n.jpg?oh=a7f9ed10cf9cd81a82adeb541c60e2e2&oe=58ABB195"
    // }
    // 
  }
}

 

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