StorageFactoryService.FileOperationHelper (Apache Derby V10.14 Internals)

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

Fields
Modifier and Type Field Description

private java.lang.String operation
Name of the most recently performed operation.

Constructor Summary

Constructors
Modifier Constructor Description

private FileOperationHelper()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`(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
- FileOperationHelper
```
private 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