Java

Gzip Compress In Memory and Base64 Encode

See more Gzip Examples

Demonstrates how to Gzip compress in-memory data and then encode the compressed data to base64. Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

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

    CkGzip gzip = new CkGzip();

    // This example will load a file into the fileData object.
    // Your application might load fileData from other sources..
    CkBinData fileData = new CkBinData();
    success = fileData.LoadFile("qa_data/xml/hamlet.xml");
    if (success != true) {
        System.out.println("Failed to load file.");
        return;
        }

    // In-place compress the contents of fileData
    success = gzip.CompressBd(fileData);
    if (success != true) {
        System.out.println(gzip.lastErrorText());
        return;
        }

    // Get the base64 encoded compressed data (in a single line).
    String strBase64 = fileData.getEncoded("base64");
    System.out.println(strBase64);
    System.out.println("--------");

    // To get the base64 in multiple lines, as it might appear in MIME,
    // use "base64-mime".
    String strBase64MultiLine = fileData.getEncoded("base64-mime");
    System.out.println(strBase64MultiLine);
  }
}