org.apache.derby.impl.services.monitor
Class StorageFactoryService.FileOperationHelper

java.lang.Object
  org.apache.derby.impl.services.monitor.StorageFactoryService.FileOperationHelper

Enclosing class:

StorageFactoryService

private static class StorageFactoryService.FileOperationHelper
extends java.lang.Object

Helper class for common file operations on the service properties files.

Introduced to take care of error reporting for common file operations carried out in StorageFactoryService.

Field Summary

private java.lang.String

operation Name of the most recently performed operation.

Constructor Summary

private

StorageFactoryService.FileOperationHelper()

Method Summary

(package private) boolean	delete(StorageFile file, boolean mustSucceed)
(package private) boolean	exists(StorageFile file, boolean mustSucceed)
private void	handleSecPrivException(StorageFile file, boolean mustSucceed, java.lang.SecurityException se) Handles security exceptions caused by missing privileges on the files being accessed.
(package private) boolean	renameTo(StorageFile from, StorageFile to, boolean mustSucceed)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

operation

private java.lang.String operation

Name of the most recently performed operation.

Constructor Detail

StorageFactoryService.FileOperationHelper

private StorageFactoryService.FileOperationHelper()

Method Detail

exists

boolean exists(StorageFile file,
               boolean mustSucceed)
         throws StandardException

Throws:

StandardException

delete

boolean delete(StorageFile file,
               boolean mustSucceed)
         throws StandardException

Throws:

StandardException

renameTo

boolean renameTo(StorageFile from,
                 StorageFile to,
                 boolean mustSucceed)
           throws StandardException

Throws:

StandardException

handleSecPrivException

private void handleSecPrivException(StorageFile file,
                                    boolean mustSucceed,
                                    java.lang.SecurityException se)
                             throws StandardException

Handles security exceptions caused by missing privileges on the files being accessed.

Parameters:

file - the file that was accessed

mustSucceed - if true a StandardException will be thrown, if false a warning is written to the log

se - the security exception raised

Throws:

StandardException - if mustSucceed is true

java.lang.NullPointerException - if file or se is null