org.nuxeo.ecm.core.blob

Class SimpleManagedBlob

java.lang.Object

org.nuxeo.ecm.core.api.impl.blob.AbstractBlob

org.nuxeo.ecm.core.blob.SimpleManagedBlob

All Implemented Interfaces:

Serializable, Blob, ManagedBlob

public class SimpleManagedBlob
extends AbstractBlob
implements ManagedBlob

Simple managed blob implementation holding just a key and delegating to its provider for implementation.

Since:

7.2

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
ManagedBlobProvider	blobProvider
String	key

Fields inherited from class org.nuxeo.ecm.core.api.impl.blob.AbstractBlob

TEXT_PLAIN, UTF_8

Constructor Summary

Constructors

Constructor and Description
SimpleManagedBlob(BlobManager.BlobInfo blobInfo, ManagedBlobProvider blobProvider)

Method Summary

Methods

Modifier and Type	Method and Description
String	getKey() Gets the stored representation of this blob.
long	getLength() Gets the data length in bytes if known.
InputStream	getStream() Gets an InputStream for the data of this blob.

Methods inherited from class org.nuxeo.ecm.core.api.impl.blob.AbstractBlob

equals, getByteArray, getCloseableFile, getCloseableFile, getDigest, getEncoding, getFile, getFilename, getMimeType, getString, hashCode, setDigest, setEncoding, setFilename, setMimeType, transferTo, transferTo

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.nuxeo.ecm.core.api.Blob

getByteArray, getCloseableFile, getCloseableFile, getDigest, getEncoding, getFile, getFilename, getMimeType, getString, setDigest, setEncoding, setFilename, setMimeType, transferTo, transferTo

Field Detail

key

public final String key

blobProvider

public transient ManagedBlobProvider blobProvider

Constructor Detail

SimpleManagedBlob

public SimpleManagedBlob(BlobManager.BlobInfo blobInfo,
                 ManagedBlobProvider blobProvider)

Method Detail

getKey

public String getKey()

Description copied from interface: ManagedBlob

Gets the stored representation of this blob.

Specified by:

getKey in interface ManagedBlob

Returns:

the stored representation

getStream

public InputStream getStream()
                      throws IOException

Description copied from interface: Blob

Gets an InputStream for the data of this blob.

The contract of Blob is that this method can be called several times and will correctly return a new InputStream each time. In other words, several reads of the Blob can be done.

Like all InputStream, the result must be closed when done with it to avoid resource leaks.

Specified by:

getStream in interface Blob

Returns:

the stream

Throws:

IOException

getLength

public long getLength()

Description copied from interface: Blob

Gets the data length in bytes if known.

Specified by:

getLength in interface Blob

Overrides:

getLength in class AbstractBlob

Returns:

the data length or -1 if not known