(Android™) Extract PDF from General Ledger Transactions XML

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Demonstrates how to extract the base64 data representing a PDF file from a General Ledger Transactions XML.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // The General Ledger Transactions XML contains the following:

    // <?xml version="1.0" encoding="utf-8" ?>
    // <eExact xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="eExact-XML.xsd">
    //     <GLTransactions>
    //         <GLTransaction entry="100000095">
    //             <TransactionType number="20" />
    //             <Journal type="20" code="VK">
    //                 <Description termid="90003">Verkopen</Description>
    //                 <GLAccount type="20" code="400000" />
    //                 <Currency code="EUR" />
    //             </Journal>
    //             <Date>2022-04-05</Date>
    //             <Document>
    //                 <Subject>100000095</Subject>
    //                 <DocumentType number="10" />
    //                 <Account code="0001" status="C" />
    //                 <Amount>
    //                     <Currency code="EUR" />
    //                     <Value>1382.91</Value>
    //                 </Amount>
    //                 <References>
    //                     <InvoiceNumber>100000095</InvoiceNumber>
    //                 </References>
    //                 <Attachments>
    //                     <Attachment>
    //                         <Name>F_100000095.PDF</Name>
    //                         <BinaryData>BASE64_ENCODED_PDF_BYTES_HERE</BinaryData>
    //                     </Attachment>
    //                 </Attachments>
    //             </Document>
    //             <GLTransactionLine type="20" status="20" line="0" linetype="0">
    //                 <Date>2022-04-05</Date>
    //                 <VATType>S</VATType>
    //                 <FinYear number="2022" />
    //                 <FinPeriod number="4" />
    //                 <GLAccount type="20" code="400000" />
    //                 <Description>100000095</Description>
    //                 <DueDate>2022-05-05</DueDate>
    //                 <Account code="0001" status="C">
    //                     <Name>90 Degrees &amp; co</Name>
    //                 </Account>
    //                 <Amount>
    //                     <Currency code="EUR" />
    //                     <Value>1382.91</Value>
    //                 </Amount>
    //                 <ForeignAmount>
    //                     <Currency code="EUR" />
    //                     <Value>1382.91</Value>
    //                     <Rate>1</Rate>
    //                 </ForeignAmount>
    //                 <References>
    //                     <InvoiceNumber>100000095</InvoiceNumber>
    //                 </References>
    //             </GLTransactionLine>
    //             <PaymentTerms>
    //                 <PaymentTerm entry="100000095" type="20" line="0" paymentMethod="B">
    //                     <Description>20</Description>
    //                     <GLAccount type="20" code="400000" />
    //                     <Amount>
    //                         <Currency code="EUR" />
    //                         <Debit>1382.91</Debit>
    //                         <Credit>0</Credit>
    //                     </Amount>
    //                     <ForeignAmount>
    //                         <Currency code="EUR" />
    //                         <Debit>1382.91</Debit>
    //                         <Credit>0</Credit>
    //                     </ForeignAmount>
    //                     <Reference />
    //                     <YourRef />
    //                     <InvoiceNumber>100000095</InvoiceNumber>
    //                     <InvoiceDate>2022-04-05</InvoiceDate>
    //                     <DueDate>2022-05-05</DueDate>
    //                     <PaymentDate>2022-05-05</PaymentDate>
    //                 </PaymentTerm>
    //             </PaymentTerms>
    //         </GLTransaction>
    //     </GLTransactions>
    // </eExact>

    CkXml xml = new CkXml();

    boolean success = xml.LoadXmlFile("c:/temp/example.xml");
    if (success == false) {
        Log.i(TAG, xml.lastErrorText());
        return;
        }

    String pdfFilename = xml.getChildContent("GLTransactions|GLTransaction|Document|Attachments|Attachment|Name");
    if (xml.get_LastMethodSuccess() == false) {
        Log.i(TAG, "No XML element at the given path.");
        return;
        }

    Log.i(TAG, "PDF Filename = " + pdfFilename);

    CkXml binaryDataElem = xml.GetChildWithTag("GLTransactions|GLTransaction|Document|Attachments|Attachment|BinaryData");
    if (xml.get_LastMethodSuccess() == false) {
        Log.i(TAG, "No XML element at the given path.");
        return;
        }

    // Decode the base64 data and save to a file.
    success = binaryDataElem.SaveBinaryContent(pdfFilename,false,false,"");
    if (success == false) {
        Log.i(TAG, binaryDataElem.lastErrorText());
        }
    else {
        Log.i(TAG, "Success.");
        }


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}