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WebLogic Server 5.1.0sp9 API Reference

## weblogic.zac
Class ZACLog

    java.lang.Object
      |
      +--weblogic.zac.ZACLog

public class ZACLog
extends java.lang.Object

Provides a log record of each update/launch event for each ZAC directory.

Author:
  Copyright (c) 1998 by WebLogic, Inc. All Rights Reserved., Copyright (c) 1999 by BEA WebXpress. All Rights Reserved.
  Copyright © 2001 BEA Systems, Inc. All Rights Reserved.

Field Summary
`static int` | `UPDATE_FAILURE` Returned by the `getUpdateStatus()` method.
`static int` | `UPDATE_NONE` Returned by the `getUpdateStatus()` method.
`static int` | `UPDATE_SUCCESS` Returned by the `getUpdateStatus()` method.

Method Summary
`java.io.File` | `getLocalDirectory()` Returns the local directory where a ZAC package is stored.
`long` | `getUpdateByteCount()` Returns the total number of bytes transferred in the last download/update sequence.
`java.lang.Throwable` | `getUpdateFailure()` Returns the Exception/Error that was encountered during the last download/update sequence for a ZAC package.
`java.lang.String` | `getUpdateFailureString()` Returns the entire stack trace of an update failure (probably when it is printed out later, most likely in a GUI) for exceptions raised in cases where there is a mix of classes both with and without classloaders on the stack.
`int` | `getUpdateFileCount()` Returns the number of files that were updated in a package during the last download/update sequence.
`java.util.Enumeration` | `getUpdateFileList()` Returns an Enumeration of `java.lang.String` objects that is a list of all files that were created/updated during the last update, if any.
`static java.util.Enumeration` | `getUpdateLogs()` Returns an Enumeration of `ZACLog` object(s), one for each ZAC package in the current application's set of dependencies.
`int` | `getUpdateStatus()` Returned by the `getUpdateStatus()` method.
`java.lang.String` | `getZACHost()` Returns the hostname of the publishing WebLogic Server from which a ZAC package is programmed to download.
`java.lang.String` | `getZACName()` Returns the name by which a ZAC package is known.
`int` | `getZACPort()` Returns the listen port of the publishing WebLogic Server from which a ZAC package is programmed to download.
`java.lang.String` | `toString()` Returns a descriptive string for a ZAC status.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### UPDATE_SUCCESS

    public static final int UPDATE_SUCCESS

  Returned by the `getUpdateStatus()` method. Indicates the update/download was successful. Calling the `getUpdateFileCount()` method after a successful update/download will indicate how many files were updated, and the `getUpdateFileList()` method will return an enumeration of all the affected files for a package.

### UPDATE_FAILURE

    public static final int UPDATE_FAILURE

  Returned by the `getUpdateStatus()` method. Indicates the update failed. Call the `getUpdateFailure()` method to discover what exception was raised during ZAC update.

### UPDATE_NONE

    public static final int UPDATE_NONE

  Returned by the `getUpdateStatus()` method. Indicates that no implicit download/update was performed at invocation time, so there is no further update status to report. Automatic updates are enabled/disabled through the ZAC properties specified in the PublishTool that created the bootstrap program.

Method Detail

### getUpdateLogs

    public static java.util.Enumeration getUpdateLogs()

  Returns an Enumeration of `ZACLog` object(s), one for each ZAC package in the current application's set of dependencies. Each `ZACLog` provides information about whether the package has been updated. If the update was successful, the log will indicate how many files were updated and provide a list of which files. If an update failed, the log will indicate why it failed.

  Returns:
    One or more ZACLogs

### getUpdateStatus

    public int getUpdateStatus()

  Returned by the `getUpdateStatus()` method. Indicates how an update of this ZAC package went during the last download/update sequence. This will return one of the final static ints in this class for:
  - UPDATE_SUCCESS
  - UPDATE_FAILURE
  - UPDATE_NONE

  Returns:
    Int status

### getUpdateFileCount

    public int getUpdateFileCount()

  Returns the number of files that were updated in a package during the last download/update sequence. Call the `getUpdateFileList()` method for an Enumeration of files which have changed.

  Returns:
    Number of updated files

### getUpdateFileList

    public java.util.Enumeration getUpdateFileList()

  Returns an Enumeration of `java.lang.String` objects that is a list of all files that were created/updated during the last update, if any. Each String will be a path name relative to the local, installed ZAC directory for a package, as specified by the `getLocalDirectory()` method. An application may get the absolute path to the file by constructing a `java.io.File` with the return of the `getLocalDirectory()` method as the parent directory, and the relative path as the path argument:

      ZACLog zl;
       ...
       Enumeration enum = zl.getUpdateFileList();
       File zacroot = zl.getLocalDirectory();
       while (enum.hasMoreElements()) {
         String path = (String)enum.nextElement();
         File updated = new File(zacroot, path);
         System.out.println("Updated: " + updated.getAbsolutePath());
       }

  Returns:
    Enumerated string list of files
  See Also:
    `getLocalDirectory()`

### getUpdateByteCount

    public long getUpdateByteCount()

  Returns the total number of bytes transferred in the last download/update sequence.

  Returns:
    Byte count as a long

### getZACName

    public java.lang.String getZACName()

  Returns the name by which a ZAC package is known.

  Returns:
    String name of package

### getZACHost

    public java.lang.String getZACHost()

  Returns the hostname of the publishing WebLogic Server from which a ZAC package is programmed to download.

  Returns:
    Publishing WebLogic Server

### getZACPort

    public int getZACPort()

  Returns the listen port of the publishing WebLogic Server from which a ZAC package is programmed to download.

### getLocalDirectory

    public java.io.File getLocalDirectory()

  Returns the local directory where a ZAC package is stored.

### getUpdateFailure

    public java.lang.Throwable getUpdateFailure()

  Returns the Exception/Error that was encountered during the last download/update sequence for a ZAC package. If no failure occurred, `null` is returned.

### getUpdateFailureString

    public java.lang.String getUpdateFailureString()

  Returns the entire stack trace of an update failure (probably when it is printed out later, most likely in a GUI) for exceptions raised in cases where there is a mix of classes both with and without classloaders on the stack.

  Returns:
    Stack trace of update failure exception

### toString

    public java.lang.String toString()

  Returns a descriptive string for a ZAC status.

  - SUCCESS
  - FAILURE
  - NO EXCEPTION
  - NO IMPLICIT UPDATE PERFORMED

  Returns:
    Status message
  Overrides:
    toString in class java.lang.Object

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