public class RamFileObject extends AbstractFileObject implements FileObject
Modifier | Constructor and Description |
---|---|
protected |
RamFileObject(AbstractFileName name,
RamFileSystem fs) |
Modifier and Type | Method and Description |
---|---|
protected void |
doAttach()
Attaches this file object to its file resource.
|
protected void |
doCreateFolder()
Creates this file as a folder.
|
protected void |
doDelete()
Deletes the file.
|
protected long |
doGetContentSize()
Returns the size of the file content (in bytes).
|
protected InputStream |
doGetInputStream()
Creates an input stream to read the file content from.
|
protected long |
doGetLastModifiedTime()
Returns 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()
Determines the type of this file.
|
protected String[] |
doListChildren()
Lists the children of this file.
|
protected void |
doRename(FileObject newfile)
Renames the file.
|
protected boolean |
doSetLastModifiedTime(long modtime)
Sets the last modified time of this file.
|
protected void |
endOutput()
Called when the ouput stream for this file is closed.
|
protected void |
injectType(FileType fileType) |
canRenameTo, childrenChanged, close, copyFrom, createFile, createFolder, delete, delete, doCreateFileContent, doDetach, doGetAttributes, doGetCertificates, doIsHidden, doIsReadable, doIsSameFile, doIsWriteable, doListChildrenResolved, doRemoveAttribute, doSetAttribute, exists, finalize, findFiles, findFiles, getChild, getChildren, getContent, getFileContentInfoFactory, getFileOperations, getFileSystem, getInputStream, getName, getOutputStream, getOutputStream, getParent, getRandomAccessContent, getType, getURL, handleChanged, handleCreate, handleDelete, holdObject, isAttached, isContentOpen, isHidden, isReadable, isSameFile, isWriteable, moveTo, notifyAllStreamsClosed, onChange, onChildrenChanged, refresh, resolveFile, resolveFile, toString
clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
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
protected RamFileObject(AbstractFileName name, RamFileSystem fs)
name
- The name of the file.fs
- The FileSystem.protected FileType doGetType() throws Exception
AbstractFileObject
doGetType
in class AbstractFileObject
Exception
- if an error occurs.protected String[] doListChildren() throws Exception
AbstractFileObject
AbstractFileObject.doGetType()
returns FileType.FOLDER
. The return value of this method
is cached, so the implementation can be expensive.doListChildren
in class AbstractFileObject
Exception
- if an error occurs.protected long doGetContentSize() throws Exception
AbstractFileObject
AbstractFileObject.doGetType()
returns FileType.FILE
.doGetContentSize
in class AbstractFileObject
Exception
- if an error occurs.protected InputStream doGetInputStream() throws Exception
AbstractFileObject
AbstractFileObject.doGetType()
returns FileType.FILE
.
It is guaranteed that there are no open output streams for this file when this method is called.
The returned stream does not have to be buffered.
doGetInputStream
in class AbstractFileObject
Exception
- if an error occurs.protected OutputStream doGetOutputStream(boolean bAppend) throws Exception
AbstractFileObject
AbstractFileObject.doIsWriteable()
returns true.
AbstractFileObject.doGetType()
returns FileType.FILE
, or
AbstractFileObject.doGetType()
returns FileType.IMAGINARY
, and the file's
parent exists and is a folder.
It is guaranteed that there are no open stream (input or output) for this file when this method is called.
The returned stream does not have to be buffered.
This implementation throws an exception.doGetOutputStream
in class AbstractFileObject
bAppend
- true if the file should be appended to, false if it should be overwritten.Exception
- if an error occurs.protected void doDelete() throws Exception
AbstractFileObject
AbstractFileObject.doGetType()
does not return FileType.IMAGINARY
.
AbstractFileObject.doIsWriteable()
returns true.
doDelete
in class AbstractFileObject
Exception
- if an error occurs.protected long doGetLastModifiedTime() throws Exception
AbstractFileObject
AbstractFileObject.doGetType()
does not return FileType.IMAGINARY
.
This implementation throws an exception.doGetLastModifiedTime
in class AbstractFileObject
Exception
- if an error occurs.protected boolean doSetLastModifiedTime(long modtime) throws Exception
AbstractFileObject
AbstractFileObject.doGetType()
does not return FileType.IMAGINARY
.
This implementation throws an exception.doSetLastModifiedTime
in class AbstractFileObject
modtime
- The last modification time.Exception
- if an error occurs.protected void doCreateFolder() throws Exception
AbstractFileObject
AbstractFileObject.doGetType()
returns FileType.IMAGINARY
.
doCreateFolder
in class AbstractFileObject
Exception
- if an error occurs.protected void doRename(FileObject newfile) throws Exception
AbstractFileObject
AbstractFileObject.doIsWriteable()
returns true.
doRename
in class AbstractFileObject
newfile
- A FileObject with the new file name.Exception
- if an error occurs.protected RandomAccessContent doGetRandomAccessContent(RandomAccessMode mode) throws Exception
AbstractFileObject
AbstractFileObject.doGetType()
returns FileType.FILE
.
It is guaranteed that there are no open output streams for this file when this method is called.
doGetRandomAccessContent
in class AbstractFileObject
mode
- The mode to access the file.Exception
- if an error occurs.protected void doAttach() throws Exception
AbstractFileObject
doAttach
in class AbstractFileObject
Exception
- if an error occurs.protected void injectType(FileType fileType)
injectType
in class AbstractFileObject
protected void endOutput() throws Exception
AbstractFileObject
endOutput
in class AbstractFileObject
Exception
- if an error occurs.Copyright © 2002-2016 The Apache Software Foundation. All Rights Reserved.