com.myJava.file.driver
Class CompressedFileSystemDriver
java.lang.Object
com.myJava.file.driver.AbstractFileSystemDriver
com.myJava.file.driver.AbstractLinkableFileSystemDriver
com.myJava.file.driver.CompressedFileSystemDriver
- All Implemented Interfaces:
- FileSystemDriver, LinkableFileSystemDriver
public class CompressedFileSystemDriver
- extends AbstractLinkableFileSystemDriver
"Linkable" driver with compression capabilities
- Author:
- Olivier PETRUCCI
Areca Build ID : 7299034069467778562
Method Summary |
void |
applyMetaData(FileMetaData p,
java.io.File file)
Applies the attributes provided as argument |
boolean |
canRead(java.io.File file)
|
boolean |
canWrite(java.io.File file)
|
boolean |
createNewFile(java.io.File file)
|
protected java.io.File |
decode(java.io.File file)
|
boolean |
delete(java.io.File file)
|
void |
deleteOnExit(java.io.File file)
|
boolean |
directFileAccessSupported()
|
protected java.io.File |
encode(java.io.File file)
|
boolean |
equals(java.lang.Object o)
|
boolean |
exists(java.io.File file)
|
java.io.InputStream |
getCachedFileInputStream(java.io.File file)
Ensures that a local copy of the file exists and return an InputStream on this file |
java.io.OutputStream |
getCachedFileOutputStream(java.io.File file)
Returns an OutputStream for the given File
This outputStream will be cached, and written only during call to "flush" |
java.io.InputStream |
getFileInputStream(java.io.File file)
|
java.io.InputStream |
getFileInputStream(java.io.File file,
boolean cached)
|
java.io.OutputStream |
getFileOutputStream(java.io.File file)
|
java.io.OutputStream |
getFileOutputStream(java.io.File file,
boolean append)
|
java.io.OutputStream |
getFileOutputStream(java.io.File file,
boolean append,
OutputStreamListener listener)
|
FileCacheableInformations |
getInformations(java.io.File file)
Returns a global set of file informations (length, lastmodified, ...) |
FileMetaData |
getMetaData(java.io.File file,
boolean onlyBasicAttributes)
Returns the file's attributes |
int |
hashCode()
|
boolean |
isContentSensitive()
Returns true if the driver is sensitive to the content. |
boolean |
isDirectory(java.io.File file)
|
boolean |
isFile(java.io.File file)
|
boolean |
isHidden(java.io.File file)
|
long |
lastModified(java.io.File file)
|
long |
length(java.io.File file)
|
java.lang.String[] |
list(java.io.File file)
|
java.lang.String[] |
list(java.io.File file,
java.io.FilenameFilter filter)
|
java.io.File[] |
listFiles(java.io.File file)
|
java.io.File[] |
listFiles(java.io.File file,
java.io.FileFilter filter)
|
java.io.File[] |
listFiles(java.io.File file,
java.io.FilenameFilter filter)
|
boolean |
mkdir(java.io.File file)
|
boolean |
mkdirs(java.io.File file)
|
void |
mount()
|
boolean |
renameTo(java.io.File source,
java.io.File dest)
|
protected java.io.File[] |
resolveFiles(java.io.File file)
|
boolean |
setLastModified(java.io.File file,
long time)
|
boolean |
setReadOnly(java.io.File file)
|
java.lang.String |
toString()
|
Methods inherited from class com.myJava.file.driver.AbstractLinkableFileSystemDriver |
flush, getAbsoluteFile, getAbsolutePath, getAccessEfficiency, getCanonicalFile, getCanonicalPath, getName, getParent, getParentFile, getPath, getPredecessor, setPredecessor, supportsLongFileNames, unmount |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
CompressedFileSystemDriver
public CompressedFileSystemDriver(java.io.File root,
FileSystemDriver predecessor,
CompressionArguments compression)
- Parameters:
directoryRoot
- key
-
canRead
public boolean canRead(java.io.File file)
canWrite
public boolean canWrite(java.io.File file)
createNewFile
public boolean createNewFile(java.io.File file)
throws java.io.IOException
- Specified by:
createNewFile
in interface FileSystemDriver
- Overrides:
createNewFile
in class AbstractFileSystemDriver
- Throws:
java.io.IOException
delete
public boolean delete(java.io.File file)
- Specified by:
delete
in interface FileSystemDriver
- Overrides:
delete
in class AbstractFileSystemDriver
exists
public boolean exists(java.io.File file)
- Specified by:
exists
in interface FileSystemDriver
- Overrides:
exists
in class AbstractFileSystemDriver
getInformations
public FileCacheableInformations getInformations(java.io.File file)
- Description copied from interface:
FileSystemDriver
- Returns a global set of file informations (length, lastmodified, ...)
isDirectory
public boolean isDirectory(java.io.File file)
- Specified by:
isDirectory
in interface FileSystemDriver
- Overrides:
isDirectory
in class AbstractFileSystemDriver
isFile
public boolean isFile(java.io.File file)
- Specified by:
isFile
in interface FileSystemDriver
- Overrides:
isFile
in class AbstractFileSystemDriver
isHidden
public boolean isHidden(java.io.File file)
- Specified by:
isHidden
in interface FileSystemDriver
- Overrides:
isHidden
in class AbstractFileSystemDriver
lastModified
public long lastModified(java.io.File file)
- Specified by:
lastModified
in interface FileSystemDriver
- Overrides:
lastModified
in class AbstractFileSystemDriver
length
public long length(java.io.File file)
- Specified by:
length
in interface FileSystemDriver
- Overrides:
length
in class AbstractFileSystemDriver
list
public java.lang.String[] list(java.io.File file,
java.io.FilenameFilter filter)
- Specified by:
list
in interface FileSystemDriver
- Overrides:
list
in class AbstractFileSystemDriver
list
public java.lang.String[] list(java.io.File file)
- Specified by:
list
in interface FileSystemDriver
- Overrides:
list
in class AbstractFileSystemDriver
listFiles
public java.io.File[] listFiles(java.io.File file,
java.io.FileFilter filter)
- Specified by:
listFiles
in interface FileSystemDriver
- Overrides:
listFiles
in class AbstractFileSystemDriver
listFiles
public java.io.File[] listFiles(java.io.File file,
java.io.FilenameFilter filter)
- Specified by:
listFiles
in interface FileSystemDriver
- Overrides:
listFiles
in class AbstractFileSystemDriver
listFiles
public java.io.File[] listFiles(java.io.File file)
- Specified by:
listFiles
in interface FileSystemDriver
- Overrides:
listFiles
in class AbstractFileSystemDriver
mkdir
public boolean mkdir(java.io.File file)
- Specified by:
mkdir
in interface FileSystemDriver
- Overrides:
mkdir
in class AbstractFileSystemDriver
mkdirs
public boolean mkdirs(java.io.File file)
- Specified by:
mkdirs
in interface FileSystemDriver
- Overrides:
mkdirs
in class AbstractFileSystemDriver
renameTo
public boolean renameTo(java.io.File source,
java.io.File dest)
- Specified by:
renameTo
in interface FileSystemDriver
- Overrides:
renameTo
in class AbstractFileSystemDriver
mount
public void mount()
throws java.io.IOException
- Specified by:
mount
in interface FileSystemDriver
- Overrides:
mount
in class AbstractLinkableFileSystemDriver
- Throws:
java.io.IOException
setLastModified
public boolean setLastModified(java.io.File file,
long time)
- Specified by:
setLastModified
in interface FileSystemDriver
- Overrides:
setLastModified
in class AbstractFileSystemDriver
setReadOnly
public boolean setReadOnly(java.io.File file)
- Specified by:
setReadOnly
in interface FileSystemDriver
- Overrides:
setReadOnly
in class AbstractFileSystemDriver
getFileInputStream
public java.io.InputStream getFileInputStream(java.io.File file)
throws java.io.IOException
- Throws:
java.io.IOException
getCachedFileInputStream
public java.io.InputStream getCachedFileInputStream(java.io.File file)
throws java.io.IOException
- Description copied from interface:
FileSystemDriver
- Ensures that a local copy of the file exists and return an InputStream on this file
- Throws:
java.io.IOException
getFileInputStream
public java.io.InputStream getFileInputStream(java.io.File file,
boolean cached)
throws java.io.IOException
- Throws:
java.io.IOException
getCachedFileOutputStream
public java.io.OutputStream getCachedFileOutputStream(java.io.File file)
throws java.io.IOException
- Description copied from interface:
FileSystemDriver
- Returns an OutputStream for the given File
This outputStream will be cached, and written only during call to "flush"
- Throws:
java.io.IOException
getFileOutputStream
public java.io.OutputStream getFileOutputStream(java.io.File file)
throws java.io.IOException
- Throws:
java.io.IOException
getFileOutputStream
public java.io.OutputStream getFileOutputStream(java.io.File file,
boolean append,
OutputStreamListener listener)
throws java.io.IOException
- Throws:
java.io.IOException
getFileOutputStream
public java.io.OutputStream getFileOutputStream(java.io.File file,
boolean append)
throws java.io.IOException
- Throws:
java.io.IOException
deleteOnExit
public void deleteOnExit(java.io.File file)
- Specified by:
deleteOnExit
in interface FileSystemDriver
- Overrides:
deleteOnExit
in class AbstractFileSystemDriver
getMetaData
public FileMetaData getMetaData(java.io.File file,
boolean onlyBasicAttributes)
throws java.io.IOException
- Description copied from interface:
FileSystemDriver
- Returns the file's attributes
- Specified by:
getMetaData
in interface FileSystemDriver
- Overrides:
getMetaData
in class AbstractFileSystemDriver
- Throws:
java.io.IOException
applyMetaData
public void applyMetaData(FileMetaData p,
java.io.File file)
throws java.io.IOException
- Description copied from interface:
FileSystemDriver
- Applies the attributes provided as argument
- Specified by:
applyMetaData
in interface FileSystemDriver
- Overrides:
applyMetaData
in class AbstractFileSystemDriver
- Throws:
java.io.IOException
hashCode
public int hashCode()
- Overrides:
hashCode
in class java.lang.Object
equals
public boolean equals(java.lang.Object o)
- Overrides:
equals
in class java.lang.Object
toString
public java.lang.String toString()
- Overrides:
toString
in class AbstractLinkableFileSystemDriver
directFileAccessSupported
public boolean directFileAccessSupported()
isContentSensitive
public boolean isContentSensitive()
- Description copied from interface:
FileSystemDriver
- Returns true if the driver is sensitive to the content.
In other words, if the driver has a chance to fail during initialization if files pre-exist on its storage location
encode
protected java.io.File encode(java.io.File file)
resolveFiles
protected java.io.File[] resolveFiles(java.io.File file)
decode
protected java.io.File decode(java.io.File file)