org.apache.commons.vfs.provider.local
Class LocalFile

java.lang.Object
  org.apache.commons.vfs.provider.AbstractFileObject
      org.apache.commons.vfs.provider.local.LocalFile

All Implemented Interfaces:

FileObject

public class LocalFile

extends AbstractFileObject

implements FileObject

A file object implementation which uses direct file access.

Version:

$Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $

Author:

Adam Murdoch, Gary D. Gregory

Constructor Summary

protected

LocalFile(LocalFileSystem fileSystem, String rootFile, FileName name) Creates a non-root file.

Method Summary

protected void	doAttach() Attaches this file object to its file resource.
protected void	doCreateFolder() Creates this folder.
protected void	doDelete() Deletes this file, and all children.
protected long	doGetContentSize() Returns the size of the file content (in bytes).
protected InputStream	doGetInputStream() Creates an input stream to read the content from.
protected long	doGetLastModifiedTime() Gets the last modified time of this file.
protected OutputStream	doGetOutputStream(boolean bAppend) Creates an output stream to write the file content to.
protected RandomAccessContent	doGetRandomAccessContent(RandomAccessMode mode) Creates access to the file for random i/o.
protected FileType	doGetType() Returns the file's type.
protected boolean	doIsHidden() Determines if this file is hidden.
protected boolean	doIsReadable() Determines if this file can be read.
protected boolean	doIsSameFile(FileObject destFile) Checks if this fileObject is the same file as destFile just with a different name.
protected boolean	doIsWriteable() Determines if this file can be written to.
protected String[]	doListChildren() Returns the children of the file.
protected void	doRename(FileObject newfile) rename this file
protected void	doSetLastModifiedTime(long modtime) Sets the last modified time of this file.
protected File	getLocalFile() Returns the local file that this file object represents.

Methods inherited from class org.apache.commons.vfs.provider.AbstractFileObject

canRenameTo, childrenChanged, childrenChanged, close, copyFrom, createFile, createFolder, delete, delete, doDetach, doGetAttributes, doGetCertificates, doListChildrenResolved, doSetAttribute, endOutput, exists, finalize, findFiles, findFiles, getChild, getChildren, getContent, getFileContentInfoFactory, getFileOperations, getFileSystem, getInputStream, getName, getOutputStream, getOutputStream, getParent, getRandomAccessContent, getType, getURL, handleChanged, handleCreate, handleDelete, holdObject, injectType, isAttached, isContentOpen, isHidden, isReadable, isSameFile, isWriteable, moveTo, notifyAllStreamsClosed, onChange, onChildrenChanged, refresh, resolveFile, resolveFile, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.commons.vfs.FileObject

canRenameTo, close, copyFrom, createFile, createFolder, delete, delete, exists, findFiles, findFiles, getChild, getChildren, getContent, getFileOperations, getFileSystem, getName, getParent, getType, getURL, isAttached, isContentOpen, isHidden, isReadable, isWriteable, moveTo, refresh, resolveFile, resolveFile

Constructor Detail

LocalFile

protected LocalFile(LocalFileSystem fileSystem,
                    String rootFile,
                    FileName name)
             throws FileSystemException

Creates a non-root file.

Method Detail

getLocalFile

protected File getLocalFile()

Returns the local file that this file object represents.

doAttach

protected void doAttach()
                 throws Exception

Attaches this file object to its file resource.

Overrides:

doAttach in class AbstractFileObject

Throws:

Exception

doGetType

protected FileType doGetType()
                      throws Exception

Returns the file's type.

Specified by:

doGetType in class AbstractFileObject

Throws:

Exception

doListChildren

protected String[] doListChildren()
                           throws Exception

Returns the children of the file.

Specified by:

doListChildren in class AbstractFileObject

Throws:

Exception

doDelete

protected void doDelete()
                 throws Exception

Deletes this file, and all children.

Overrides:

doDelete in class AbstractFileObject

Throws:

Exception

doRename

protected void doRename(FileObject newfile)
                 throws Exception

rename this file

Overrides:

doRename in class AbstractFileObject

Throws:

Exception

doCreateFolder

protected void doCreateFolder()
                       throws Exception

Creates this folder.

Overrides:

doCreateFolder in class AbstractFileObject

Throws:

Exception

doIsWriteable

protected boolean doIsWriteable()
                         throws FileSystemException

Determines if this file can be written to.

Overrides:

doIsWriteable in class AbstractFileObject

Throws:

FileSystemException

doIsHidden

protected boolean doIsHidden()

Determines if this file is hidden.

Overrides:

doIsHidden in class AbstractFileObject

doIsReadable

protected boolean doIsReadable()
                        throws FileSystemException

Determines if this file can be read.

Overrides:

doIsReadable in class AbstractFileObject

Throws:

FileSystemException

doGetLastModifiedTime

protected long doGetLastModifiedTime()
                              throws FileSystemException

Gets the last modified time of this file.

Overrides:

doGetLastModifiedTime in class AbstractFileObject

Throws:

FileSystemException

doSetLastModifiedTime

protected void doSetLastModifiedTime(long modtime)
                              throws FileSystemException

Sets the last modified time of this file.

Overrides:

doSetLastModifiedTime in class AbstractFileObject

Throws:

FileSystemException

doGetInputStream

protected InputStream doGetInputStream()
                                throws Exception

Creates an input stream to read the content from.

Specified by:

doGetInputStream in class AbstractFileObject

Throws:

Exception

doGetOutputStream

protected OutputStream doGetOutputStream(boolean bAppend)
                                  throws Exception

Creates an output stream to write the file content to.

Overrides:

doGetOutputStream in class AbstractFileObject

Throws:

Exception

doGetContentSize

protected long doGetContentSize()
                         throws Exception

Returns the size of the file content (in bytes).

Specified by:

doGetContentSize in class AbstractFileObject

Throws:

Exception

doGetRandomAccessContent

protected RandomAccessContent doGetRandomAccessContent(RandomAccessMode mode)
                                                throws Exception

Description copied from class: AbstractFileObject

Creates access to the file for random i/o. Is only called if AbstractFileObject.doGetType() returns FileType.FILE.

It is guaranteed that there are no open output streams for this file when this method is called.

Overrides:

doGetRandomAccessContent in class AbstractFileObject

Throws:

Exception

doIsSameFile

protected boolean doIsSameFile(FileObject destFile)
                        throws FileSystemException

Description copied from class: AbstractFileObject

Checks if this fileObject is the same file as destFile just with a different name.
E.g. for case insensitive filesystems like windows.

Overrides:

doIsSameFile in class AbstractFileObject

Throws:

FileSystemException