Package edu.uiuc.ncsa.qdl.vfs

Class VFSMemoryFileProvider

java.lang.Object

edu.uiuc.ncsa.qdl.vfs.AbstractVFSFileProvider

edu.uiuc.ncsa.qdl.vfs.VFSMemoryFileProvider

All Implemented Interfaces:

VFSFileProvider, Serializable

public class VFSMemoryFileProvider
extends AbstractVFSFileProvider

A VFS backed by a hash table. NOTE that the entries to this are the complete path. So creating a directory really has no effect.

Created by Jeff Gaynor
on 3/4/20 at 11:31 AM

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
VFSMemoryFileProvider(String scheme, String mountPoint, boolean canRead, boolean canWrite)

Method Summary

Modifier and Type	Method	Description
boolean	contains(String path)	Contains is a type of read.
void	delete(String path)	A delete is a type of write.
String[]	dir(String path)
VFSEntry	get(String path, int type)	Get the named item.
String	getType()	mostly this is so when information is being displayed to the user they can see the origin of the provider.
boolean	isDirectory(String path)
boolean	mkdir(String path)	Make a set of directories.
void	put(String newPath, VFSEntry entry)	Add the using the path.
void	rm(String path)	Remove a file from the store.
boolean	rmdir(String path)	This will remove a directory.

Methods inherited from class edu.uiuc.ncsa.qdl.vfs.AbstractVFSFileProvider

canRead, canWrite, checkPath, checkScheme, easSupported, getCurrentDir, getFileInfo, getMountPoint, getRealPath, getScheme, getStoreRoot, isAbsolute, isChildOf, isScript, length, put, setCurrentDir, setMountPoint, setRead, setScheme, setWrite, unqualifyPath

Methods inherited from class java.lang.Object

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

Constructor Detail

VFSMemoryFileProvider

public VFSMemoryFileProvider(String scheme,
                             String mountPoint,
                             boolean canRead,
                             boolean canWrite)

Method Detail

getType

public String getType()

Description copied from interface: VFSFileProvider

mostly this is so when information is being displayed to the user they can see the origin of the provider.

Returns:

get

public VFSEntry get(String path,
                    int type)
             throws Throwable

Description copied from interface: VFSFileProvider

Get the named item. Note that all of the names are qualified.

Specified by:

get in interface VFSFileProvider

Overrides:

get in class AbstractVFSFileProvider

Returns:

Throws:

Throwable

put

public void put(String newPath,
                VFSEntry entry)
         throws Throwable

Description copied from interface: VFSFileProvider

Add the using the path. If and entry exists there it will be over-written.

Specified by:

put in interface VFSFileProvider

Overrides:

put in class AbstractVFSFileProvider

Throws:

Throwable

delete

public void delete(String path)
            throws Throwable

Description copied from interface: VFSFileProvider

A delete is a type of write. If the store is not writeable, it cannot delete files.

Specified by:

delete in interface VFSFileProvider

Overrides:

delete in class AbstractVFSFileProvider

Throws:

Throwable

contains

public boolean contains(String path)
                 throws Throwable

Description copied from interface: VFSFileProvider

Contains is a type of read. If the store is not readable, it cannot tell if it contains an entry.

Specified by:

contains in interface VFSFileProvider

Overrides:

contains in class AbstractVFSFileProvider

Returns:

Throws:

Throwable

dir

public String[] dir(String path)
             throws Throwable

Specified by:

dir in interface VFSFileProvider

Overrides:

dir in class AbstractVFSFileProvider

Throws:

Throwable

mkdir

public boolean mkdir(String path)

Description copied from interface: VFSFileProvider

Make a set of directories. This will make a given directory and any intermediate directories.

Specified by:

mkdir in interface VFSFileProvider

Overrides:

mkdir in class AbstractVFSFileProvider

Returns:

rmdir

public boolean rmdir(String path)
              throws Throwable

Description copied from interface: VFSFileProvider

This will remove a directory. Note that this requires that the directory be empty of all files.

Specified by:

rmdir in interface VFSFileProvider

Overrides:

rmdir in class AbstractVFSFileProvider

Returns:

Throws:

Throwable

rm

public void rm(String path)
        throws Throwable

Description copied from interface: VFSFileProvider

Remove a file from the store.

Specified by:

rm in interface VFSFileProvider

Overrides:

rm in class AbstractVFSFileProvider

Throws:

Throwable

isDirectory

public boolean isDirectory(String path)

Specified by:

isDirectory in interface VFSFileProvider

Overrides:

isDirectory in class AbstractVFSFileProvider