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Java

Zip Append Files Verbose Logging

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An application can check verbose LastErrorText if the zip.AppendFiles method does not append the expected files, or if it appends nothing.

Chilkat Java Downloads

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();
    zip.NewZip("qa_output/test1.zip");

    // Turn on verbose logging to get more informaiton in the LastErrorText property.
    zip.put_VerboseLogging(true);

    boolean recurse = true;
    zip.put_AppendFromDir("qa_data/syncTree");
    success = zip.AppendFiles("*",recurse);

    // Even if AppendFiles is successful, we can examine the LastErrorText property
    // to see what happend.  (This is true for all Chilkat methods.  The LastErrorText always
    // contains information even when the method call is successful.  If you have a difficult
    // time understanding what happened, then turn on VerboseLogging and have a look at it.
    // Make sure to turn off VerboseLogging for production because it could slow down your application.)
    System.out.println(zip.lastErrorText());

    // Here is a sample of the LastErrorText for this test:

    // ChilkatLog:
    //   AppendFiles(62ms):
    //     DllDate: Feb 10 2019
    //     ChilkatVersion: 9.5.0.76
    //     UnlockPrefix: ***
    //     Architecture: Little Endian; 64-bit
    //     Language: .NET 4.5 / x64 / VS2012
    //     VerboseLogging: 1
    //     Component successfully unlocked using purchased unlock code.
    //     appendFileEx(62ms):
    //       FilePattern: *
    //       AppendFromDir: qa_data/syncTree
    //       PathPrefix: 
    //       BaseDir: c:\appData\UnitTest\qa_data\syncTree\
    //       InzipBase: 
    //       FilenamePart: *
    //       IsSpecificFile: 0
    //       recurse: 1
    //       saveExtraPath: 0
    //       archiveOnly: 0
    //       includeHidden: 1
    //       includeSystem: 1
    //       ignoreAccessDenied: 1
    //       addFilesMax:
    //         addDirNonRecursive:
    //           ffWin32OpenDir_fileSpec: [c:\appData\UnitTest\qa_data\syncTree\*]
    //           ffWin32OpenDir_fileSpec: [c:\appData\UnitTest\qa_data\syncTree\abc\*]
    //           ffWin32OpenDir_fileSpec: [c:\appData\UnitTest\qa_data\syncTree\data\*]
    //           ffWin32OpenDir_fileSpec: [c:\appData\UnitTest\qa_data\syncTree\text\*]
    //           ffWin32OpenDir_fileSpec: [c:\appData\UnitTest\qa_data\syncTree\abc\ghk\*]
    //           ffWin32OpenDir_fileSpec: [c:\appData\UnitTest\qa_data\syncTree\data\xyz\*]
    //           ffWin32OpenDir_fileSpec: [c:\appData\UnitTest\qa_data\syncTree\text\something\*]
    //         --addDirNonRecursive
    //       --addFilesMax
    //       No exclusion patterns.
    //       numAdded: 20
    //     --appendFileEx
    //     Success.
    //   --AppendFiles
    // --ChilkatLog

    success = zip.WriteZipAndClose();
    if (success != true) {
        System.out.println(zip.lastErrorText());
        return;
        }
  }
}