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Java Requires Chilkat v11.0.0+

Hungary NAV Token Exchange

See more Hungary NAV Invoicing Examples

Demonstrates the tokenExchange request for the Hungarian NAV Online Invoicing System REST API v2.0.

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Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Crypt2;
import com.chilkatsoft.chilkat2.DateTime;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.Prng;
import com.chilkatsoft.chilkat2.StringBuilder;
import com.chilkatsoft.chilkat2.Xml;

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.

        // Build the following XML:

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

        // <?xml version="1.0" encoding="UTF-8"?>
        // <TokenExchangeRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
        //     <header>
        //         <requestId>RID896801578348</requestId>
        //         <timestamp>2019-09-11T10:55:31.440Z</timestamp>
        //         <requestVersion>2.0</requestVersion>
        //         <headerVersion>1.0</headerVersion>
        //     </header>
        //     <user>
        //         <login>lwilsmn0uqdxe6u</login>
        //         <passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
        //         <taxNumber>11111111</taxNumber>
        //         <requestSignature>B4B5E0F197BFFD3DF69BCC98D3BE775F65FD5445EEF95C9D6B6C59425F2B81C4F6DA1FD563B0C7E7D98AF1E1725E5C63C2803B5D3A93D1C02ED354AC92F2CC94</requestSignature>
        //         <!--<signKey>ac-ac3a-7f661bff7d342N43CYX4U9FG</signKey>-->
        //     </user>
        //     <software>
        //         <softwareId>123456789123456789</softwareId>
        //         <softwareName>string</softwareName>
        //         <softwareOperation>LOCAL_SOFTWARE</softwareOperation>
        //         <softwareMainVersion>string</softwareMainVersion>
        //         <softwareDevName>string</softwareDevName>
        //         <softwareDevContact>string</softwareDevContact>
        //         <softwareDevCountryCode>HU</softwareDevCountryCode>
        //         <softwareDevTaxNumber>string</softwareDevTaxNumber>
        //     </software>
        // </TokenExchangeRequest>

        Crypt2 crypt = new Crypt2();

        DateTime dtNow = new DateTime();
        dtNow.setFromCurrentSystemTime();
        System.out.println(dtNow.getAsTimestamp(false));

        // The hash algorithm for the password is SHA512 (not SHA3-512).
        crypt.setHashAlgorithm("sha512");
        crypt.setEncodingMode("hex");
        String myPassword = "my-password";
        String passwordHash = crypt.hashStringENC(myPassword);

        // Generate a random request ID like "RID215118906689"
        Prng prng = new Prng();
        StringBuilder sbRequestId = new StringBuilder();
        sbRequestId.append("RID");
        sbRequestId.append(prng.randomString(12, true, false, false));
        System.out.println("generated requestId = " + sbRequestId.getAsString());

        // Calculate the requestSignature
        crypt.setHashAlgorithm("sha3-512");
        String signatureKey = "ce-8f5e-215119fa7dd621DLMRHRLH2S";

        StringBuilder sbFinalHashBase = new StringBuilder();

        // First append the timestamp because we are going to remove certain chars/parts.
        sbFinalHashBase.append(dtNow.getAsTimestamp(false));
        int numReplaced = sbFinalHashBase.replace("Z", "");
        numReplaced = sbFinalHashBase.replace("-", "");
        numReplaced = sbFinalHashBase.replace(":", "");
        numReplaced = sbFinalHashBase.replace("T", "");

        // Prepend the requestId and append the signatureKey
        sbFinalHashBase.prepend(sbRequestId.getAsString());
        sbFinalHashBase.append(signatureKey);

        String requestSignature = crypt.hashStringENC(sbFinalHashBase.getAsString());

        Xml xml = new Xml();
        xml.setTag("TokenExchangeRequest");
        xml.addAttribute("xmlns", "http://schemas.nav.gov.hu/OSA/2.0/api");
        xml.updateChildContent("header|requestId", sbRequestId.getAsString());
        xml.updateChildContent("header|timestamp", dtNow.getAsTimestamp(false));
        xml.updateChildContent("header|requestVersion", "2.0");
        xml.updateChildContent("header|headerVersion", "1.0");
        xml.updateChildContent("user|login", "lwilsmn0uqdxe6u");
        xml.updateChildContent("user|passwordHash", passwordHash);
        xml.updateChildContent("user|taxNumber", "11111111");
        xml.updateChildContent("user|requestSignature", requestSignature);
        xml.updateChildContent("software|softwareId", "123456789123456789");
        xml.updateChildContent("software|softwareName", "string");
        xml.updateChildContent("software|softwareOperation", "LOCAL_SOFTWARE");
        xml.updateChildContent("software|softwareMainVersion", "string");
        xml.updateChildContent("software|softwareDevName", "string");
        xml.updateChildContent("software|softwareDevContact", "string");
        xml.updateChildContent("software|softwareDevCountryCode", "HU");
        xml.updateChildContent("software|softwareDevTaxNumber", "string");

        // POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange
        Http http = new Http();
        http.setAccept("application/xml");
        String endpoint = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/tokenExchange";
        HttpResponse resp = new HttpResponse();
        try {
            http.httpStr("POST", endpoint, xml.getXml(), "utf-8", "application/xml", resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Response status code = " + resp.getStatusCode());

        Xml respXml = new Xml();
        respXml.loadXml(resp.getBodyStr());
        System.out.println("Response body:");
        System.out.println(respXml.getXml());

        // Save our exchange token to a file to be used for subsequent requests.
        respXml.saveXml("qa_data/tokens/nav_exchange_token.xml");

        // The result looks like this:

        // <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
        // <TokenExchangeResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
        //     <header>
        //         <requestId>RID789246611489</requestId>
        //         <timestamp>2020-03-25T14:14:36Z</timestamp>
        //         <requestVersion>2.0</requestVersion>
        //         <headerVersion>1.0</headerVersion>
        //     </header>
        //     <result>
        //         <funcCode>OK</funcCode>
        //     </result>
        //     <software>
        //         <softwareId>123456789123456789</softwareId>
        //         <softwareName>string</softwareName>
        //         <softwareOperation>LOCAL_SOFTWARE</softwareOperation>
        //         <softwareMainVersion>string</softwareMainVersion>
        //         <softwareDevName>string</softwareDevName>
        //         <softwareDevContact>string</softwareDevContact>
        //         <softwareDevCountryCode>HU</softwareDevCountryCode>
        //         <softwareDevTaxNumber>string</softwareDevTaxNumber>
        //     </software>
        //     <encodedExchangeToken>2lR5v57Tl ... 9n4tIWCYgjKQ==</encodedExchangeToken>
        //     <tokenValidityFrom>2020-03-25T15:14:36.987+01:00</tokenValidityFrom>
        //     <tokenValidityTo>2020-03-25T15:19:36.987+01:00</tokenValidityTo>
        // </TokenExchangeResponse>

        // Use this online tool to generate parsing code from sample XML:
        // Generate Parsing Code from XML

        String TokenExchangeResponse_xmlns = respXml.getAttrValue("xmlns");
        String TokenExchangeResponse_xmlns_ns2 = respXml.getAttrValue("xmlns:ns2");
        String requestId = respXml.getChildContent("header|requestId");
        String timestamp = respXml.getChildContent("header|timestamp");
        String requestVersion = respXml.getChildContent("header|requestVersion");
        String headerVersion = respXml.getChildContent("header|headerVersion");
        String funcCode = respXml.getChildContent("result|funcCode");
        String softwareId = respXml.getChildContent("software|softwareId");
        String softwareName = respXml.getChildContent("software|softwareName");
        String softwareOperation = respXml.getChildContent("software|softwareOperation");
        String softwareMainVersion = respXml.getChildContent("software|softwareMainVersion");
        String softwareDevName = respXml.getChildContent("software|softwareDevName");
        String softwareDevContact = respXml.getChildContent("software|softwareDevContact");
        String softwareDevCountryCode = respXml.getChildContent("software|softwareDevCountryCode");
        String softwareDevTaxNumber = respXml.getChildContent("software|softwareDevTaxNumber");
        String encodedExchangeToken = respXml.getChildContent("encodedExchangeToken");
        String tokenValidityFrom = respXml.getChildContent("tokenValidityFrom");
        String tokenValidityTo = respXml.getChildContent("tokenValidityTo");
    }
}