public class FileBlob extends DefaultStreamBlob implements Serializable
EMPTY_BYTE_ARRAY, EMPTY_INPUT_STREAM, EMPTY_READER, EMPTY_STRING
Constructor and Description |
---|
FileBlob(File file) |
FileBlob(File file,
String ctype) |
FileBlob(File file,
String mimeType,
String encoding) |
FileBlob(File file,
String mimeType,
String encoding,
String filename,
String digest) |
FileBlob(InputStream in) |
FileBlob(InputStream in,
String ctype) |
FileBlob(InputStream in,
String mimeType,
String encoding) |
Modifier and Type | Method and Description |
---|---|
File |
getFile() |
long |
getLength()
Gets the data length in bytes if known.
|
InputStream |
getStream() |
boolean |
isPersistent()
Checks whether this blob is persistent.
|
Blob |
persist()
Persist this stream so that
Blob.getStream() method can be called
successfully several times. |
getDigest, getEncoding, getFilename, getMimeType, setDigest, setEncoding, setFilename, setMimeType
asByteArrayBlob, asStringBlob, getByteArray, getReader, getString, readBytes, readBytes, readString
copy, copy, transferTo, transferTo, transferTo
public FileBlob(File file)
public FileBlob(File file, String mimeType, String encoding, String filename, String digest)
public FileBlob(InputStream in) throws IOException
IOException
public FileBlob(InputStream in, String ctype) throws IOException
IOException
public FileBlob(InputStream in, String mimeType, String encoding) throws IOException
IOException
public File getFile()
public long getLength()
Blob
getLength
in interface Blob
getLength
in class StreamBlob
public InputStream getStream() throws IOException
getStream
in interface Blob
IOException
public Blob persist()
Blob
Blob.getStream()
method can be called
successfully several times. The persistence is done in a temporary file
or in memory - this is up to the implementation.
Blobs that are already persistent return themselves.
Persistence should update the internal structure of the Blob to make it persistent whenever possible and hence return itself whenever possible. This behavior cannot be guaranteed by every implementation however.
public boolean isPersistent()
Blob
Blob.getStream()
can be
successfully called several times).isPersistent
in interface Blob
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