Java

Unzip Encrypted Text into a String Variable

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Demonstrates how to open an encrypted .zip archive and unzip a text file directly into a string variable. 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 requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkZip zip = new CkZip();

    // Set the password required for decrypting.
    zip.put_DecryptPassword("myPassword");

    success = zip.OpenZip("encrypted.zip");
    if (success == false) {
        System.out.println(zip.lastErrorText());
        return;
        }

    // Locate the file within the Zip to be unzipped into a string variable:
    CkZipEntry entry = new CkZipEntry();
    success = zip.EntryMatching("*.csv",entry);
    if (success == false) {
        System.out.println(zip.lastErrorText());
        return;
        }

    // lineEndingBehavior:
    // 0 = leave unchanged.
    // 1 = convert all to bare LF's
    // 2 = convert all to CRLF's
    int lineEndingBehavior = 0;
    String srcCharset = "utf-8";

    String strCsv = entry.unzipToString(lineEndingBehavior,srcCharset);
    System.out.println(strCsv);
  }
}