Open Source Document Management System | OpenKM

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Base64;

public class OpenKMClient {
    public static void createFolder(String path, String folderName) throws Exception {
     	String url="http://localhost:8080/openkm/folder/create";
    	String auth="admin:admin";       
    	String encodedAuth = Base64.getEncoder().encodeToString(auth.getBytes());

        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        // Set HTTP request headers
        con.setRequestMethod("POST");
        con.setRequestProperty("Authorization", "Basic " + encodedAuth);
        con.setRequestProperty("Content-Type", "application/json");

        // Set HTTP request body
        String jsonBody = "{\"path\":\"" + path + "\",\"name\":\"" + folderName + "\",\"properties\":{}}";
        con.setDoOutput(true);
        OutputStreamWriter out = new OutputStreamWriter(con.getOutputStream());
        out.write(jsonBody);
        out.flush();
        out.close();

        // Get HTTP response
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine
        }
        in.close();
        
        // Print HTTP response
        System.out.println(response.toString());
    }
}