(Android™) Extract XML from FatturaPA .p7m

Demonstrates how to verify the signature and extract the XML from a FatturaPA .p7m file.

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);

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkBinData bd = new CkBinData();
    boolean success = bd.LoadFile("qa_data/p7m/IT01879020517_abc.xml.p7m");
    if (success != true) {
        Log.i(TAG, "Failed to load the .p7m file");
        return;
        }

    CkCrypt2 crypt = new CkCrypt2();

    // Verify and extrct the payload contained within the .p7m.
    // In this case, the payload is the FatturaPA XML.
    // If successful, the resulting bd will contain only the XML.
    boolean bVerified = crypt.OpaqueVerifyBd(bd);
    if (bVerified != true) {
        Log.i(TAG, crypt.lastErrorText());
        Log.i(TAG, "Failed to extract and verify.");
        return;
        }

    // Save the XML to a file.
    bd.WriteFile("qa_output/zIT01879020517_abc.xml");

    // Alternatively, load into an XML object and emit.
    CkXml xml = new CkXml();
    xml.LoadXml(bd.getString("utf-8"));

    Log.i(TAG, xml.getXml());

  }

  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."
  }
}