Java

OpenAI (ChatGPT) Create Image

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Show how to send a POST to create an image. Gets the JSON response with URLs and then downloads images to files. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

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

        Http http = new Http();

        // Implements the following CURL command:

        // curl https://api.openai.com/v1/images/generations \
        //   -H "Content-Type: application/json" \
        //   -H "Authorization: Bearer $OPENAI_API_KEY" \
        //   -d '{
        //     "prompt": "A cute baby sea otter",
        //     "n": 2,
        //     "size": "1024x1024"
        //   }'

        // Use the following online tool to generate HTTP code from a CURL command
        // Convert a cURL Command to HTTP Source Code

        // Use this online tool to generate code from sample JSON:
        // Generate Code to Create JSON

        // The following JSON is sent in the request body.

        // {
        //   "prompt": "A cute baby sea otter",
        //   "n": 2,
        //   "size": "1024x1024"
        // }

        JsonObject json = new JsonObject();
        json.updateString("prompt", "A cute baby sea otter");
        json.updateInt("n", 2);
        json.updateString("size", "1024x1024");

        // Adds the "Authorization: Bearer $OPENAI_API_KEY" header.
        // This is NOT a real key.  Change the "sk-vi...." to your own key.
        http.setAuthToken("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");

        HttpResponse resp = new HttpResponse();
        try {
            http.httpJson("POST", "https://api.openai.com/v1/images/generations", json, "application/json", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        StringBuilder sbResponseBody = new StringBuilder();
        resp.getBodySb(sbResponseBody);

        JsonObject jResp = new JsonObject();
        jResp.loadSb(sbResponseBody);
        jResp.setEmitCompact(false);

        System.out.println("Response Body:");
        System.out.println(jResp.emit());

        int respStatusCode = resp.getStatusCode();
        System.out.println("Response Status Code = " + respStatusCode);
        if (respStatusCode >= 400) {
            System.out.println("Response Header:");
            System.out.println(resp.getHeader());
            System.out.println("Failed.");
            return;
        }

        // Sample JSON response:
        // (Sample code for parsing the JSON response is shown below)

        // {
        //   "created": 1589478378,
        //   "data": [
        //     {
        //       "url": "https://..."
        //     },
        //     {
        //       "url": "https://..."
        //     }
        //   ]
        // }

        // Sample code for parsing the JSON response...
        // Use the following online tool to generate parsing code from sample JSON:
        // Generate Parsing Code from JSON

        String url = "";
        StringBuilder sbLocalFilePath = new StringBuilder();

        // Download each image..
        http.clearHeaders();
        http.setAuthToken("");

        int created = jResp.intOf("created");
        int i = 0;
        int count_i = jResp.sizeOfArray("data");
        while (i < count_i) {
            jResp.setI(i);
            url = jResp.stringOf("data[i].url");

            sbLocalFilePath.setString("c:/aaworkarea/image_");
            sbLocalFilePath.appendInt(i + 1);
            sbLocalFilePath.append(".png");

            try {
                http.download(url, sbLocalFilePath.getAsString());
            } catch (ChilkatException e) {
                System.out.println(e.getLastErrorText());
                return;
            }

            i = i + 1;
        }
    }
}