(Android™) Iterate over Matching Filenames

Iterates over files within a .zip that match a pattern. In this case, the pattern is "*.pem". This example will open a .zip containing files of type .txt, .cer, .pem, and possibly others, and will iterate over only the .pem files.

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.

    CkZip zip = new CkZip();

    // Open a .zip containing PEM files, among other things..
    boolean success = zip.OpenZip("qa_data/certs/thawte-roots.zip");
    if (success != true) {
        Log.i(TAG, zip.lastErrorText());
        return;
        }

    CkZipEntry entry = zip.FirstMatchingEntry("*.pem");
    if (zip.get_LastMethodSuccess() != true) {
        Log.i(TAG, "No PEM entries found.");
        return;
        }

    CkZipEntry nextEntry;
    String pemStr;

    boolean bContinue = true;
    while ((bContinue == true)) {

        Log.i(TAG, "Entry: " + entry.fileName());

        // Get the uncommpressed contents of the entry:
        pemStr = entry.unzipToString(0,"utf-8");
        Log.i(TAG, pemStr);

        nextEntry = entry.NextMatchingEntry("*.pem");
        bContinue = entry.get_LastMethodSuccess();

        entry = nextEntry;
        }


  }

  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."
  }
}