org.netbeans.core.startup.layers
Class SystemFileSystem

java.lang.Object
  org.openide.filesystems.FileSystem
      org.openide.filesystems.MultiFileSystem
          org.netbeans.core.startup.layers.SystemFileSystem

All Implemented Interfaces:

Serializable, EventListener, FileChangeListener

public final class SystemFileSystem
extends MultiFileSystem
implements FileChangeListener

The system FileSystem - represents system files under $NETBEANS_HOME/system.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.openide.filesystems.FileSystem

FileSystem.AtomicAction, FileSystem.Environment, FileSystem.HtmlStatus, FileSystem.Status

Field Summary

Fields inherited from class org.openide.filesystems.FileSystem

PROP_DISPLAY_NAME, PROP_HIDDEN, PROP_READ_ONLY, PROP_ROOT, PROP_SYSTEM_NAME, PROP_VALID

Method Summary

protected Set<? extends FileSystem>	createLocksOn(String name)
protected FileSystem	createWritableOn(String name)
protected FileSystem	createWritableOnForRename(String oldName, String newName)
void	fileAttributeChanged(FileAttributeEvent fe)
void	fileChanged(FileEvent fe)
void	fileDataCreated(FileEvent fe)
void	fileDeleted(FileEvent fe)
void	fileFolderCreated(FileEvent fe)
void	fileRenamed(FileRenameEvent fe)
String	getDisplayName() Name of the system
ModuleLayeredFileSystem	getInstallationLayer() Getter for the instalation layer filesystem.
FileSystem[]	getLayers() Getter for the array of filesystems that are currently used in the IDE.
ModuleLayeredFileSystem	getUserLayer() Getter for the user layer filesystem.
boolean	isPersistent() Deprecated.
protected void	notifyMigration(FileObject fo) Notification that a file has migrated from one file system to another.
static void	registerMutex(Mutex mutex) A mutex to use to guard access to changes of layers in the system file system.
void	setLayers(FileSystem[] arr) Changes layers to provided values.

Methods inherited from class org.openide.filesystems.MultiFileSystem

addNotify, find, findResource, findResourceOn, findSystem, getActions, getActions, getDelegates, getPropagateMasks, getRoot, hiddenFiles, hideResource, isReadOnly, markUnimportant, prepareEnvironment, refresh, removeNotify, setDelegates, setPropagateMasks

Methods inherited from class org.openide.filesystems.FileSystem

addFileChangeListener, addFileStatusListener, addPropertyChangeListener, addVetoableChangeListener, createTempFile, fireFileStatusChanged, firePropertyChange, fireVetoableChange, getCapability, getStatus, getSystemName, getTempFolder, isDefault, isHidden, isValid, removeFileChangeListener, removeFileStatusListener, removePropertyChangeListener, removeVetoableChangeListener, runAtomicAction, setCapability, setHidden, setSystemName, toString

Methods inherited from class java.lang.Object

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

Method Detail

registerMutex

public static void registerMutex(Mutex mutex)

A mutex to use to guard access to changes of layers in the system file system.

getDisplayName

public String getDisplayName()

Name of the system

Overrides:

getDisplayName in class MultiFileSystem

getInstallationLayer

public ModuleLayeredFileSystem getInstallationLayer()

Getter for the instalation layer filesystem. May be null if there is none such.

getUserLayer

public ModuleLayeredFileSystem getUserLayer()

Getter for the user layer filesystem.

setLayers

public final void setLayers(FileSystem[] arr)
                     throws IllegalArgumentException

Changes layers to provided values.

Parameters:

arr - the new layers

Throws:

IllegalArgumentException - if there is an overlap

getLayers

public FileSystem[] getLayers()

Getter for the array of filesystems that are currently used in the IDE.

Returns:

array of filesystems

createWritableOnForRename

protected FileSystem createWritableOnForRename(String oldName,
                                               String newName)
                                        throws IOException

Overrides:

createWritableOnForRename in class MultiFileSystem

Throws:

IOException

createWritableOn

protected FileSystem createWritableOn(String name)
                               throws IOException

Overrides:

createWritableOn in class MultiFileSystem

Throws:

IOException

createLocksOn

protected Set<? extends FileSystem> createLocksOn(String name)
                                           throws IOException

Overrides:

createLocksOn in class MultiFileSystem

Throws:

IOException

isPersistent

@Deprecated
public boolean isPersistent()

Deprecated.

This filesystem cannot be removed from pool, it is persistent.

Overrides:

isPersistent in class FileSystem

notifyMigration

protected void notifyMigration(FileObject fo)

Notification that a file has migrated from one file system to another. Usually when somebody writes to file on readonly file system and the file has to be copied to write one.

This method allows subclasses to fire for example FileSystem.PROP_STATUS change to notify that annotation of this file should change.

Overrides:

notifyMigration in class MultiFileSystem

Parameters:

fo - file object that change its actual file system

fileFolderCreated

public void fileFolderCreated(FileEvent fe)

Specified by:

fileFolderCreated in interface FileChangeListener

fileDataCreated

public void fileDataCreated(FileEvent fe)

Specified by:

fileDataCreated in interface FileChangeListener

fileChanged

public void fileChanged(FileEvent fe)

Specified by:

fileChanged in interface FileChangeListener

fileDeleted

public void fileDeleted(FileEvent fe)

Specified by:

fileDeleted in interface FileChangeListener

fileRenamed

public void fileRenamed(FileRenameEvent fe)

Specified by:

fileRenamed in interface FileChangeListener

fileAttributeChanged

public void fileAttributeChanged(FileAttributeEvent fe)

Specified by:

fileAttributeChanged in interface FileChangeListener