Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

Android™ Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text

HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(Android™) Unzip Files Matching a Pattern (such as *.xml)

Example code to unzip Files Matching a Pattern (such as *.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);

    //  This example works with the .zip located at http://www.example-code.com/data/test.zip

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

    //  First, let's download the .zip
    CkHttp http = new CkHttp();
    boolean success = http.Download("http://www.example-code.com/data/test.zip","qa_test/test.zip");
    if (success != true) {
        Log.i(TAG, http.lastErrorText());
        return;
    }

    CkZip zip = new CkZip();

    success = zip.OpenZip("qa_test/test.zip");
    if (success != true) {
        Log.i(TAG, zip.lastErrorText());
        return;
    }

    //  Show what's in the .zip by getting the directory as XML.
    String zipContentsXml = zip.getDirectoryAsXML();
    if (zip.get_LastMethodSuccess() != true) {
        Log.i(TAG, zip.lastErrorText());
        return;
    }

    Log.i(TAG, zipContentsXml);

    //  In this case, the contents of our .zip look like this:
    //  <?xml version="1.0" encoding="utf-8" ?>
    //  <zip_contents>
    //      <dir name="test">
    //          <dir name="abc">
    //              <dir name="123">
    //                  <file>ecc_public.pem</file>
    //                  <file>starfish.jpg</file>
    //              </dir>
    //              <file>comodo-certificates.pem</file>
    //              <file>pigs.xml</file>
    //          </dir>
    //          <file>COMODORSACertificationAuthority.crt</file>
    //          <file>hamlet.xml</file>
    //      </dir>
    //  </zip_contents>

    //  ------------------------------------------------------------------------
    //  If we wish to unzip only .xml files, use "*.xml" for the pattern\
    //  Unzip to the "qa_output" directory relative to our current working directory.
    //  (You may unzip to an absolute path by passing an absolute path, such as "/someDir" or
    //  "C:/someDir", etc.)
    //  This will unzip only the .xml files.  The relative directory structure within
    //  the .zip will be created in the local filesystem under the unzip directory
    //  path passed in the first argument, which in this case is "qa_output".
    int count = zip.UnzipMatching("qa_output","*.xml",true);
    if (count < 0) {
        Log.i(TAG, zip.lastErrorText());
        return;
    }

    Log.i(TAG, "unzipped " + String.valueOf(count) + " matching file(s).");

    //  ------------------------------------------------------------------------
    //  If we wish to unzip only files under the "123" directory, we can do this:
    count = zip.UnzipMatching("qa_output2","*/123/*",true);
    if (count < 0) {
        Log.i(TAG, zip.lastErrorText());
        return;
    }

    Log.i(TAG, "unzipped " + String.valueOf(count) + " matching file(s).");

    //  ------------------------------------------------------------------------
    //  If no asterisk character is used, then the match must be exact.
    //  For example, to unzip "test/hamlet.xml" we must pass the exact path
    //  as it is in the .zip.  We cannot just pass "hamlet.xml".
    count = zip.UnzipMatching("qa_output3","test/hamlet.xml",true);
    if (count < 0) {
        Log.i(TAG, zip.lastErrorText());
        return;
    }

    Log.i(TAG, "unzipped " + String.valueOf(count) + " matching file(s).");

    //  ------------------------------------------------------------------------
    //  If we want to unzip any file named "hamlet.xml" found in any sub-directory...
    count = zip.UnzipMatching("qa_output4","*/hamlet.xml",true);
    if (count < 0) {
        Log.i(TAG, zip.lastErrorText());
        return;
    }

    Log.i(TAG, "unzipped " + String.valueOf(count) + " matching file(s).");

  }

  static {
      // Important: Make sure the name passed to loadLibrary matches the shared library
      // found in your project's libs/armeabi directory.
      //  for "libchilkat.so", pass "chilkat" to loadLibrary
      //  for "libchilkatemail.so", pass "chilkatemail" to loadLibrary
      //  etc.
      // 
      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."
  }
}

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.