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Java

PayPal - Capture Authorization

See more PayPal Examples

Capture and process a previously created authorization. The original payment call must have the intent set to authorize.

Note: This example requires Chilkat v9.5.0.65 or greater.

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Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.Rest;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // Note: Requires Chilkat v9.5.0.64 or greater.

        // This requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        // Load our previously obtained access token. (see PayPal OAuth2 Access Token)
        JsonObject jsonToken = new JsonObject();
        jsonToken.loadFile("qa_data/tokens/paypal.json");

        // Build the Authorization request header field value.
        StringBuilder sbAuth = new StringBuilder();
        // token_type should be "Bearer"
        sbAuth.append(jsonToken.stringOf("token_type"));
        sbAuth.append(" ");
        sbAuth.append(jsonToken.stringOf("access_token"));

        // Make the initial connection.
        // A single REST object, once connected, can be used for many PayPal REST API calls.
        // The auto-reconnect indicates that if the already-established HTTPS connection is closed,
        // then it will be automatically re-established as needed.
        Rest rest = new Rest();
        boolean bAutoReconnect = true;
        try {
            rest.connect("api.sandbox.paypal.com", 443, true, bAutoReconnect);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // ----------------------------------------------------------------------------------------------
        // The code above this comment could be placed inside a function/subroutine within the application
        // because the connection does not need to be made for every request.  Once the connection is made
        // the app may send many requests..
        // ----------------------------------------------------------------------------------------------

        // To capture a particular amount, build JSON such as this:
        JsonObject json = new JsonObject();
        json.setEmitCompact(false);
        json.updateString("amount.currency", "USD");
        json.updateString("amount.total", "6.70");
        // is_final_capture is optional and indicates whether to release all remaining funds that the authorization holds in the funding instrument.
        json.updateBool("is_final_capture", true);
        System.out.println(json.emit());

        // The JSON created by the above code:

        //     {
        //       "amount": {
        //         "currency": "USD",
        //         "total": "6.70"
        //       },
        //       "is_final_capture": true
        //     }

        // This is the OAuth2 Authorization header, not to be confused with a PayPal credit card authorization...
        rest.addHeader("Authorization", sbAuth.getAsString());
        rest.addHeader("Content-Type", "application/json");

        // The authorization ID is added to the path.
        // The authorization ID is obtained from payment records as shown here: Find Authorizations
        StringBuilder sbPath = new StringBuilder();
        sbPath.append("/v1/payments/authorization/authorization_id/capture");
        int numReplaced = sbPath.replace("authorization_id", "6HG91590AX913463C");

        // Send the POST request containing the JSON in the request body, and get the JSON response.
        StringBuilder sbJsonRequest = new StringBuilder();
        json.setEmitCompact(true);
        json.emitSb(sbJsonRequest);
        StringBuilder sbJsonResponse = new StringBuilder();

        try {
            rest.fullRequestSb("POST", sbPath.getAsString(), sbJsonRequest, sbJsonResponse);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        json.setEmitCompact(false);
        json.loadSb(sbJsonResponse);

        System.out.println("Response Status Code = " + rest.getResponseStatusCode());

        // Did we get a 200 success response?
        if (rest.getResponseStatusCode() != 200) {
            System.out.println(json.emit());
            System.out.println("Failed.");
            return;
        }

        System.out.println(json.emit());
        System.out.println("Success.");

        // A successful JSON response:

        //     {
        //       "id": "87S70321AE222860G",
        //       "create_time": "2016-11-26T17:27:46Z",
        //       "update_time": "2016-11-26T17:27:50Z",
        //       "amount": {
        //         "total": "6.70",
        //         "currency": "USD"
        //       },
        //       "is_final_capture": true,
        //       "state": "completed",
        //       "reasonCode": "None",
        //       "parent_payment": "PAY-3SL8976592063093RLA3DMAY",
        //       "transaction_fee": {
        //         "value": "0.49",
        //         "currency": "USD"
        //       },
        //       "links": [
        //         {
        //           "href": "https://api.sandbox.paypal.com/v1/payments/capture/87S70321AE222860G",
        //           "rel": "self",
        //           "method": "GET"
        //         },
        //         {
        //           "href": "https://api.sandbox.paypal.com/v1/payments/capture/87S70321AE222860G/refund",
        //           "rel": "refund",
        //           "method": "POST"
        //         },
        //         {
        //           "href": "https://api.sandbox.paypal.com/v1/payments/authorization/6HG91590AX913463C",
        //           "rel": "authorization",
        //           "method": "GET"
        //         },
        //         {
        //           "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-3SL8976592063093RLA3DMAY",
        //           "rel": "parent_payment",
        //           "method": "GET"
        //         }
        //       ]
        //     }
        //
    }
}