org.das2.util.filesystem.WebFileObject

METADATA_FRESH_TIMEOUT_MS

canRead

canRead( ) → boolean

Returns:

boolean

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exists

exists( ) → boolean

Returns:

boolean

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getChannel

getChannel( ProgressMonitor monitor ) → ReadableByteChannel

return a Channel for the resource. If the resource can be made locally available, a FileChannel is returned.

Parameters

monitor - a ProgressMonitor

Returns:

a java.nio.channels.ReadableByteChannel

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getChildren

getChildren( ) → FileObject

Returns:

org.das2.util.filesystem.FileObject[]

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getFile

getFile( ProgressMonitor monitor ) → File

return the file for the WebFileObject.

Parameters

monitor - a ProgressMonitor

Returns:

a java.io.File

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getInputStream

getInputStream( ProgressMonitor monitor ) → InputStream

Parameters

monitor - a ProgressMonitor

Returns:

java.io.InputStream

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getNameExt

getNameExt( ) → String

Returns:

java.lang.String

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getParent

getParent( ) → FileObject

Returns:

a WebFileObject referencing the parent directory.

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getSize

getSize( ) → long

return the fileObject size in bytes. This may contact the server to get the size, and this caches the size.

Returns:

a long

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isData

isData( ) → boolean

Returns:

boolean

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isFolder

isFolder( ) → boolean

Returns:

boolean

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isLocal

isLocal( ) → boolean

returns true is the file is locally available, meaning clients can call getFile() and the readable File reference will be available in interactive time. For FileObjects from HttpFileSystem, a HEAD request is made to ensure that the local file is as new as the website one (when offline=false).