Java

Extract PDF from JSON

See more JSON Examples

Demonstrates how to extract a PDF file contained within JSON. The file is represented as a base64 string within the JSON. Note: This example can extract any type of file, not just a PDF file. Chilkat2 Java

import com.chilkatsoft.chilkat2.BinData;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        JsonObject json = new JsonObject();

        // Load the JSON.
        try {
            json.loadFile("qa_data/json/JSR5U.json");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // The JSON we loaded contains this:

        //     {
        //     ...
        //     ...
        //       "data": {
        //         "content": "JVBERi0xLjQ..."
        //       }
        //     ...
        //     ...
        //     }

        StringBuilder sb = new StringBuilder();
        json.stringOfSb("data.content", sb);

        BinData bd = new BinData();
        bd.appendEncodedSb(sb, "base64");

        bd.writeFile("qa_output/a0015.pdf");
    }
}