public final class FTPResource extends ResourceSupport
ATTRIBUTE_ARCHIVE, ATTRIBUTE_HIDDEN, ATTRIBUTE_SYSTEM
Modifier and Type | Method and Description |
---|---|
void |
createDirectory(boolean createParentWhenNotExists)
Creates the directory named by this abstract pathname, including any
necessary but nonexistent parent directories if flag "createParentWhenNotExists" is set to true.
|
void |
createFile(boolean createParentWhenNotExists)
Creates a new, empty file named by this abstract pathname if
and only if a file with this name does not yet exist.
|
boolean |
delete()
Deletes the resource denoted by this abstract pathname.
|
boolean |
exists()
Tests whether the resource denoted by this abstract pathname
exists.
|
FTPResourceProvider |
getFTPResourceProvider() |
String |
getInnerParent() |
InputStream |
getInputStream() |
int |
getMode() |
String |
getName()
Returns the name of the resource denoted by this abstract
pathname.
|
OutputStream |
getOutputStream(boolean append) |
String |
getParent()
Returns the pathname string of this abstract pathname's parent, or
null if this pathname does not name a parent directory. |
Resource |
getParentResource()
Returns the abstract pathname of this abstract pathname's parent,
or
null if this pathname does not name a parent
directory. |
String |
getPath()
Converts this abstract pathname into a pathname string.
|
Resource |
getRealResource(String realpath)
returns a resource that is relative to the current resource
|
ResourceProvider |
getResourceProvider() |
boolean |
isAbsolute()
Tests whether this abstract pathname is absolute.
|
boolean |
isDirectory()
Tests whether the resource denoted by this abstract pathname is a
directory.
|
boolean |
isFile()
Tests whether the file denoted by this abstract pathname is a normal
file.
|
boolean |
isReadable()
Tests whether the application can read the resource denoted by this
abstract pathname.
|
boolean |
isWriteable()
Tests whether the application can modify the resource denoted by this
abstract pathname.
|
long |
lastModified()
Returns the time that the resource denoted by this abstract pathname was
last modified.
|
long |
length()
Returns the length of the resource denoted by this abstract pathname.
|
String[] |
list()
Returns an array of strings naming the files and directories in the
directory denoted by this abstract pathname.
|
Resource[] |
listResources()
Returns an array of abstract pathnames denoting the files in the
directory denoted by this abstract pathname.
|
void |
moveTo(Resource dest)
Move/renames the file denoted by this abstract pathname.
|
void |
remove(boolean alsoRemoveChildren)
Deletes the resource denoted by this abstract pathname.
|
boolean |
setLastModified(long time)
Sets the last-modified time of the file or directory named by this
abstract pathname.
|
void |
setMode(int mode) |
boolean |
setReadable(boolean value) |
boolean |
setReadOnly()
Marks the file or directory named by this abstract pathname so that
only read operations are allowed.
|
boolean |
setWritable(boolean value) |
canRead, canWrite, copyFrom, copyTo, createNewFile, equals, getAbsolutePath, getAbsoluteResource, getAttribute, getCanonicalPath, getCanonicalResource, getOutputStream, getReal, isArchive, isHidden, isSystem, list, list, listResources, listResources, mkdir, mkdirs, renameTo, setArchive, setAttribute, setHidden, setSystem, toString
public boolean isReadable()
Resource
true
if and only if the resource specified by this
abstract pathname exists and can be read by the
application; false
otherwisepublic boolean isWriteable()
Resource
true
if and only if the resource system actually
contains a resource denoted by this abstract pathname and
the application is allowed to write to the resource;
false
otherwise.public void remove(boolean alsoRemoveChildren) throws IOException
Resource
IOException
- if the file doesn't exists or can't deletepublic boolean delete()
Resource
delete
in interface Resource
delete
in class ResourceSupport
public boolean exists()
Resource
true
if and only if the resource denoted
by this abstract pathname exists; false
otherwisepublic String getName()
Resource
public String getParent()
Resource
null
if this pathname does not name a parent directory.
The parent of an abstract pathname consists of the pathname's prefix, if any, and each name in the pathname's name sequence except for the last. If the name sequence is empty then the pathname does not name a parent directory.
null
if this pathname
does not name a parentpublic String getInnerParent()
public Resource getParentResource()
Resource
null
if this pathname does not name a parent
directory.
The parent of an abstract pathname consists of the pathname's prefix, if any, and each name in the pathname's name sequence except for the last. If the name sequence is empty then the pathname does not name a parent directory.
null
if this pathname
does not name a parentpublic Resource getRealResource(String realpath)
Resource
public String getPath()
Resource
public boolean isAbsolute()
Resource
true
if this abstract pathname is absolute,
false
otherwisepublic boolean isDirectory()
Resource
true
if and only if the file denoted by this
abstract pathname exists and is a directory;
false
otherwisepublic boolean isFile()
Resource
true
if and only if the file denoted by this
abstract pathname exists and is a normal file;
false
otherwisepublic long lastModified()
Resource
long
value representing the time the file was
last modified, measured in milliseconds since the epoch
(00:00:00 GMT, January 1, 1970), or 0L
if the
file does not exist or if an I/O error occurspublic long length()
Resource
0L
if the resource does not existpublic Resource[] listResources()
Resource
If this abstract pathname does not denote a directory, then this
method returns null
. Otherwise an array of
File
objects is returned, one for each file or directory in
the directory. Therefore if this pathname
is absolute then each resulting pathname is absolute; if this pathname
is relative then each resulting pathname will be relative to the same
directory.
There is no guarantee that the name strings in the resulting array will appear in any specific order; they are not, in particular, guaranteed to appear in alphabetical order.
null
if this abstract pathname
does not denote a directory, or if an I/O error occurs.public boolean setLastModified(long time)
Resource
All platforms support file-modification times to the nearest second,
but some provide more precision. The argument will be truncated to fit
the supported precision. If the operation succeeds and no intervening
operations on the file take place, then the next invocation of the
method will return the (possibly
truncated) Resource.lastModified()
time
argument that was passed to this method.
time
- The new last-modified time, measured in milliseconds since
the epoch (00:00:00 GMT, January 1, 1970)true
if and only if the operation succeeded;
false
otherwisepublic boolean setReadOnly()
Resource
setReadOnly
in interface Resource
setReadOnly
in class ResourceSupport
true
if and only if the operation succeeded;
false
otherwisepublic void createFile(boolean createParentWhenNotExists) throws IOException
Resource
IOException
- If an I/O error occurredpublic void moveTo(Resource dest) throws IOException
Resource
Many aspects of the behavior of this method are inherently platform-dependent: The rename operation might not be able to move a file from one filesystem to another, it might not be atomic, and it might not succeed if a file with the destination abstract pathname already exists.
moveTo
in interface Resource
moveTo
in class ResourceSupport
dest
- The new abstract pathname for the named fileIOException
- throwed when operation not done sucessfullpublic void createDirectory(boolean createParentWhenNotExists) throws IOException
Resource
createParentWhenNotExists
- throws Exception when can't create directoryIOException
public InputStream getInputStream() throws IOException
IOException
public OutputStream getOutputStream(boolean append) throws IOException
IOException
public String[] list()
Resource
If this abstract pathname does not denote a directory, then this
method returns null
. Otherwise an array of strings is
returned, one for each file or directory in the directory. Names
denoting the directory itself and the directory's parent directory are
not included in the result. Each string is a file name rather than a
complete path.
There is no guarantee that the name strings in the resulting array will appear in any specific order; they are not, in particular, guaranteed to appear in alphabetical order.
list
in interface Resource
list
in class ResourceSupport
null
if
this abstract pathname does not denote a directory, or if an
I/O error occurs.public ResourceProvider getResourceProvider()
public FTPResourceProvider getFTPResourceProvider()
public int getMode()
public void setMode(int mode) throws IOException
IOException
public boolean setReadable(boolean value)
public boolean setWritable(boolean value)
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