FsDecoratingController (TrueZIP Kernel 7.7.8 API)

java.lang.Object
- de.schlichtherle.truezip.fs.FsController<M>
- - de.schlichtherle.truezip.fs.FsAbstractController<M>
  - - de.schlichtherle.truezip.fs.FsDecoratingController<M,C>

Type Parameters:
M - the type of the file system model.
C - the type of the decorated file system controller.
```
@ThreadSafe
public abstract class FsDecoratingController<M extends FsModel,C extends FsController<? extends M>>
extends FsAbstractController<M>
```
An abstract decorator for a file system controller.

Author:

Christian Schlichtherle

Field Summary

Fields
Modifier and Type Field and Description

protected C delegate
The decorated file system controller.

Fields
Modifier and Type	Field and Description
`protected C`	`delegate` The decorated file system controller.

Constructor Summary

Constructors
Modifier Constructor and Description

protected FsDecoratingController(C controller)
Constructs a new decorating file system controller.

Constructors
Modifier	Constructor and Description
`protected`	`FsDecoratingController(C controller)` Constructs a new decorating file system controller.

Method Summary

Methods
Modifier and Type	Method and Description
`FsEntry`	`getEntry(FsEntryName name)` Returns the file system entry for the given name or `null` if it doesn't exist.
`InputSocket<?>`	`getInputSocket(FsEntryName name, BitField<FsInputOption> options)` Returns an input socket for reading the contents of the file system entry addressed by the given name from the file system.
`OutputSocket<?>`	`getOutputSocket(FsEntryName name, BitField<FsOutputOption> options, Entry template)` Returns an output socket for writing the contents of the entry addressed by the given name to the file system.
`FsController<?>`	`getParent()` Returns the controller for the parent file system or `null` if and only if this file system is not federated, i.e. not a member of another file system.
`boolean`	`isExecutable(FsEntryName name)` Returns `false` if the named file system entry is not executable.
`boolean`	`isReadable(FsEntryName name)` Returns `false` if the named file system entry is not readable.
`boolean`	`isReadOnly()` Returns `true` if and only if the file system is read-only.
`boolean`	`isWritable(FsEntryName name)` Returns `false` if the named file system entry is not writable.
`void`	`mknod(FsEntryName name, Entry.Type type, BitField<FsOutputOption> options, Entry template)` Creates or replaces and finally links a chain of one or more entries for the given entry `name` into the file system.
`void`	`setReadOnly(FsEntryName name)` Sets the named file system entry as read-only.
`boolean`	`setTime(FsEntryName name, BitField<Entry.Access> types, long value, BitField<FsOutputOption> options)` Makes an attempt to set the last access time of all types in the given bit field for the file system entry with the given name.
`boolean`	`setTime(FsEntryName name, Map<Entry.Access,Long> times, BitField<FsOutputOption> options)` Makes an attempt to set the last access time of all types in the given map for the file system entry with the given name.
`void`	`sync(BitField<FsSyncOption> options)` Commits all unsynchronized changes to the contents of this file system to its parent file system, releases the associated resources (e.g. target archive files) for access by third parties (e.g. other processes), cleans up any temporary allocated resources (e.g. temporary files) and purges any cached data.
`String`	`toString()` Returns a string representation of this object for debugging and logging purposes.
`void`	`unlink(FsEntryName name, BitField<FsOutputOption> options)` Removes the named file system entry from the file system.

Methods inherited from class de.schlichtherle.truezip.fs.FsAbstractController
getModel, getMountPoint, isMounted, setMounted

Methods inherited from class de.schlichtherle.truezip.fs.FsController
equals, hashCode

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

- Field Detail
  - delegate
```
protected final C extends FsController<? extends M> delegate
```
    The decorated file system controller.
- Constructor Detail
  - FsDecoratingController
```
protected FsDecoratingController(C controller)
```
    Constructs a new decorating file system controller.
    
    Parameters:
    controller - the decorated file system controller.
- Method Detail
  - getEntry
```
public FsEntry getEntry(FsEntryName name)
                 throws IOException
```
    Description copied from class: FsController
    
    Returns the file system entry for the given name or null if it doesn't exist. Modifying the returned entry does not show any effect on the file system and may result in an UnsupportedOperationException.
    
    Specified by:
    
    getEntry in class FsController<M extends FsModel>
    
    Parameters:
    name - the name of the file system entry.
    
    Returns:
    A file system entry or null if no file system entry exists for the given name.
    
    Throws:
    
    IOException - on any I/O failure.
  - getInputSocket
```
public InputSocket<?> getInputSocket(FsEntryName name,
                            BitField<FsInputOption> options)
```
    Description copied from class: FsController
    
    Returns an input socket for reading the contents of the file system entry addressed by the given name from the file system.
    
    Specified by:
    
    getInputSocket in class FsController<M extends FsModel>
    
    Parameters:
    name - the file system entry name.
    options - the input options.
    
    Returns:
    An InputSocket.
  - getOutputSocket
```
public OutputSocket<?> getOutputSocket(FsEntryName name,
                              BitField<FsOutputOption> options,
                              Entry template)
```
    Description copied from class: FsController
    
    Returns an output socket for writing the contents of the entry addressed by the given name to the file system. If template is not null, then the output entry shall have as many of its properties copied as reasonable, e.g. the last modification time.
    
    Specified by:
    
    getOutputSocket in class FsController<M extends FsModel>
    
    Parameters:
    name - a file system entry name.
    options - a bit field of output options.
    template - a nullable template for the properties of the output entry.
    
    Returns:
    An OutputSocket.
  - getParent
```
public FsController<?> getParent()
```
    Description copied from class: FsController
    
    Returns the controller for the parent file system or null if and only if this file system is not federated, i.e. not a member of another file system. Multiple invocations must return the same object.
    
    Specified by:
    
    getParent in class FsController<M extends FsModel>
    
    Returns:
    The nullable controller for the parent file system.
  - isExecutable
```
public boolean isExecutable(FsEntryName name)
                     throws IOException
```
    Description copied from class: FsController
    
    Returns false if the named file system entry is not executable.
    The implementation in the class FsController always returns false.
    
    Overrides:
    
    isExecutable in class FsController<M extends FsModel>
    
    Parameters:
    name - the name of the file system entry.
    
    Returns:
    false if the named file system entry is not executable.
    
    Throws:
    
    IOException - on any I/O failure.
  - isReadable
```
public boolean isReadable(FsEntryName name)
                   throws IOException
```
    Description copied from class: FsController
    
    Returns false if the named file system entry is not readable.
    
    Specified by:
    
    isReadable in class FsController<M extends FsModel>
    
    Parameters:
    name - the name of the file system entry.
    
    Returns:
    false if the named file system entry is not readable.
    
    Throws:
    
    IOException - on any I/O failure.
  - isReadOnly
```
public boolean isReadOnly()
                   throws IOException
```
    Description copied from class: FsController
    
    Returns true if and only if the file system is read-only.
    
    Specified by:
    
    isReadOnly in class FsController<M extends FsModel>
    
    Returns:
    true if and only if the file system is read-only.
    
    Throws:
    
    IOException - on any I/O failure.
  - isWritable
```
public boolean isWritable(FsEntryName name)
                   throws IOException
```
    Description copied from class: FsController
    
    Returns false if the named file system entry is not writable.
    
    Specified by:
    
    isWritable in class FsController<M extends FsModel>
    
    Parameters:
    name - the name of the file system entry.
    
    Returns:
    false if the named file system entry is not writable.
    
    Throws:
    
    IOException - on any I/O failure.
  - mknod
```
public void mknod(FsEntryName name,
         Entry.Type type,
         BitField<FsOutputOption> options,
         Entry template)
           throws IOException
```
    Description copied from class: FsController
    
    Creates or replaces and finally links a chain of one or more entries for the given entry name into the file system.
    Specified by:
    
    mknod in class FsController<M extends FsModel>
    
    Parameters:
    name - the file system entry name.
    type - the file system entry type.
    options - the file system output options. If FsOutputOption.CREATE_PARENTS is set, any missing parent directories will be created and linked into the file system with its last modification time set to the system's current time.
    template - if not null, then the file system entry at the end of the chain shall inherit as much properties from this entry as possible - with the exception of its name and type.
    
    Throws:
    IOException - on any I/O failure, including but not limited to these reasons:
    
    The file system is read only.
    name contains characters which are not supported by the file system.
    The entry already exists and either the option FsOutputOption.EXCLUSIVE is set or the entry is a directory.
    The entry exists as a different type.
    A parent entry exists but is not a directory.
    A parent entry is missing and createParents is false.
  - setReadOnly
```
public void setReadOnly(FsEntryName name)
                 throws IOException
```
    Description copied from class: FsController
    
    Sets the named file system entry as read-only. This method will fail for typical federated (archive) file system controller implementations because they do not support it.
    
    Specified by:
    
    setReadOnly in class FsController<M extends FsModel>
    
    Parameters:
    name - the name of the file system entry.
    
    Throws:
    
    IOException - on any I/O failure or if this operation is not supported.
  - setTime
```
public boolean setTime(FsEntryName name,
              BitField<Entry.Access> types,
              long value,
              BitField<FsOutputOption> options)
                throws IOException
```
    Description copied from class: FsController
    
    Makes an attempt to set the last access time of all types in the given bit field for the file system entry with the given name. If false is returned or an IOException is thrown, then still some of the last access times may have been set.
    
    Specified by:
    
    setTime in class FsController<M extends FsModel>
    
    Parameters:
    name - the file system entry name.
    types - the access types.
    value - the last access time.
    options - the file system output options.
    
    Returns:
    true if and only if setting the access time for all types in types succeeded.
    
    Throws:
    
    IOException - on any I/O failure.
  - setTime
```
public boolean setTime(FsEntryName name,
              Map<Entry.Access,Long> times,
              BitField<FsOutputOption> options)
                throws IOException
```
    Description copied from class: FsController
    
    Makes an attempt to set the last access time of all types in the given map for the file system entry with the given name. If false is returned or an IOException is thrown, then still some of the last access times may have been set. Whether or not this is an atomic operation is specific to the implementation.
    
    Overrides:
    
    setTime in class FsController<M extends FsModel>
    
    Parameters:
    name - the file system entry name.
    times - the access times.
    options - the file system output options.
    
    Returns:
    true if and only if setting the access time for all types in times succeeded.
    
    Throws:
    
    IOException - on any I/O failure.
  - sync
```
public void sync(BitField<FsSyncOption> options)
          throws FsSyncException
```
    Description copied from class: FsController
    
    Commits all unsynchronized changes to the contents of this file system to its parent file system, releases the associated resources (e.g. target archive files) for access by third parties (e.g. other processes), cleans up any temporary allocated resources (e.g. temporary files) and purges any cached data. Note that temporary resources may get allocated even if the federated file systems were accessed read-only. If this is not a federated file system, i.e. if its not a member of a parent file system, then nothing happens. Otherwise, the state of this file system controller is reset.
    
    Specified by:
    
    sync in class FsController<M extends FsModel>
    
    Parameters:
    options - the options for synchronizing the file system.
    
    Throws:
    
    FsSyncWarningException - if only warning conditions apply. This implies that the respective parent file system has been synchronized with constraints, e.g. if an unclosed archive entry stream gets forcibly closed.
    
    FsSyncException - if any error conditions apply.
  - toString
```
public String toString()
```
    Description copied from class: FsController
    
    Returns a string representation of this object for debugging and logging purposes.
    
    Overrides:
    
    toString in class FsController<M extends FsModel>
  - unlink
```
public void unlink(FsEntryName name,
          BitField<FsOutputOption> options)
            throws IOException
```
    Description copied from class: FsController
    
    Removes the named file system entry from the file system. If the named file system entry is a directory, it must be empty.
    
    Specified by:
    
    unlink in class FsController<M extends FsModel>
    
    Parameters:
    name - the file system entry name.
    options - output options for this operation.
    
    Throws:
    
    IOException - on any I/O failure.

Class FsDecoratingController<M extends FsModel,C extends FsController<? extends M>>

Field Summary

Constructor Summary

Method Summary

Methods inherited from class de.schlichtherle.truezip.fs.FsAbstractController

Methods inherited from class de.schlichtherle.truezip.fs.FsController

Methods inherited from class java.lang.Object

Field Detail

delegate

Constructor Detail

FsDecoratingController

Method Detail

getEntry

getInputSocket

getOutputSocket

getParent

isExecutable

isReadable

isReadOnly

isWritable

mknod

setReadOnly

setTime

setTime

sync

toString

unlink