TaxSvc.TaxSvc.java Source code

Introduction

Here is the source code for TaxSvc.TaxSvc.java

Source

package TaxSvc;

import java.io.DataOutputStream;
import java.io.IOException;

import java.net.HttpURLConnection;
import java.net.URL;

import org.apache.commons.codec.binary.Base64;

import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;

public class TaxSvc {
    private static String accountNum;
    private static String license;
    private static String svcURL;

    public TaxSvc(String accountNumber, String licenseKey, String serviceURL) {
        accountNum = accountNumber;
        license = licenseKey;
        svcURL = serviceURL;
    }

    public GetTaxResult GetTax(GetTaxRequest req) {

        //Create URL
        String taxget = svcURL + "/1.0/tax/get";
        URL url;

        HttpURLConnection conn;
        try {
            //Connect to URL with authorization header, request content.
            url = new URL(taxget);
            conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("POST");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setUseCaches(false);
            conn.setAllowUserInteraction(false);

            String encoded = "Basic " + new String(Base64.encodeBase64((accountNum + ":" + license).getBytes())); //Create auth content
            conn.setRequestProperty("Authorization", encoded); //Add authorization header
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

            ObjectMapper mapper = new ObjectMapper();
            mapper.setSerializationInclusion(Include.NON_NULL); //Tells the serializer to only include those parameters that are not null
            String content = mapper.writeValueAsString(req);
            //System.out.println(content);   //Uncomment to see the content of the request object
            conn.setRequestProperty("Content-Length", Integer.toString(content.length()));

            DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
            wr.writeBytes(content);
            wr.flush();
            wr.close();

            conn.disconnect();

            if (conn.getResponseCode() != 200) //If we didn't get a success back, print out the error.
            {
                GetTaxResult res = mapper.readValue(conn.getErrorStream(), GetTaxResult.class); //Deserializes the response
                return res;
            }

            else //Otherwise, print out the total tax calculated
            {
                mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
                GetTaxResult res = mapper.readValue(conn.getInputStream(), GetTaxResult.class); //Deserializes the response
                return res;
            }

        } catch (IOException e) {
            e.printStackTrace();
            return null;

        }
    }

    public CancelTaxResult CancelTax(CancelTaxRequest req) {

        //Create URL
        String taxget = svcURL + "/1.0/tax/cancel";
        URL url;
        HttpURLConnection conn;
        try {
            //Connect to URL with authorization header, request content.
            url = new URL(taxget);
            conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("POST");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setUseCaches(false);
            conn.setAllowUserInteraction(false);

            String encoded = "Basic " + new String(Base64.encodeBase64((accountNum + ":" + license).getBytes())); //Create auth content
            conn.setRequestProperty("Authorization", encoded); //Add authorization header
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

            ObjectMapper mapper = new ObjectMapper();
            mapper.setSerializationInclusion(Include.NON_NULL); //Tells the serializer to only include those parameters that are not null
            String content = mapper.writeValueAsString(req);
            //System.out.println(content);         //Uncomment to see the content of the request object
            conn.setRequestProperty("Content-Length", Integer.toString(content.length()));

            DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
            wr.writeBytes(content);
            wr.flush();
            wr.close();

            conn.disconnect();

            if (conn.getResponseCode() != 200) //Note: tax/cancel will return a 200 response even if the document could not be cancelled. Special attention needs to be paid to the ResultCode.
            { //If we got a more serious error, print out the error message.
                CancelTaxResult res = mapper.readValue(conn.getErrorStream(), CancelTaxResult.class); //Deserialize response
                return res;
            } else {
                mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
                CancelTaxResponse res = mapper.readValue(conn.getInputStream(), CancelTaxResponse.class); //Deserialize response
                return res.CancelTaxResult;
            }

        } catch (IOException e) {
            e.printStackTrace();
            return null;

        }
    }

    public GeoTaxResult EstimateTax(Double latitude, Double longitude, Double saleAmount) {
        //Create query/url
        String taxest = svcURL + "/1.0/tax/" + latitude.toString() + "," + longitude.toString() + "/get?saleamount="
                + saleAmount.toString();
        URL url;
        HttpURLConnection conn;
        try {
            //Connect to specified URL with authorization header
            url = new URL(taxest);
            conn = (HttpURLConnection) url.openConnection();
            String encoded = "Basic " + new String(Base64.encodeBase64((accountNum + ":" + license).getBytes())); //Create auth content
            conn.setRequestProperty("Authorization", encoded); //Add authorization header
            conn.disconnect();

            ObjectMapper mapper = new ObjectMapper(); //Deserialization object

            if (conn.getResponseCode() != 200) //If we didn't get a success back, print out the error
            {
                GeoTaxResult res = mapper.readValue(conn.getErrorStream(), GeoTaxResult.class); //Deserializes the response object
                return res;
            }

            else //Otherwise, print out the validated address.
            {
                GeoTaxResult res = mapper.readValue(conn.getInputStream(), GeoTaxResult.class); //Deserializes the response object
                return res;
            }

        } catch (IOException e) {
            e.printStackTrace();
            return null;

        }
    }

    public enum DetailLevel {
        Tax, Document, Line, Diagnostic
    };

    public enum DocType {
        SalesOrder, SalesInvoice, ReturnOrder, ReturnInvoice, PurchaseOrder, PurchaseInvoice, ReverseChargeOrder, ReverseChargeInvoice
    }

    public GeoTaxResult Ping() {
        return EstimateTax(47.627935, -122.51702, 10.0);
    };

}