Package nl.vpro.domain.image.backend

Class ReusableImageStream

java.lang.Object

nl.vpro.domain.image.backend.ImageStream

nl.vpro.domain.image.backend.ReusableImageStream

All Implemented Interfaces:

AutoCloseable

public class ReusableImageStream
extends ImageStream

A version of ImageStream that on first use of getStream() will copy the stream to a file, so you call it multiple times.

Since:

1.11

Author:

Roelof Jan Koekoek

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ReusableImageStream.Builder
static class	ReusableImageStream.FileDeleter

Field Summary

Fields inherited from class nl.vpro.domain.image.backend.ImageStream

closed, contentType, etag, lastModified, length, onClose, stream, url

Constructor Summary

Constructors

Constructor	Description
ReusableImageStream(InputStream stream)
ReusableImageStream(InputStream stream, long length, Instant lastModified)
ReusableImageStream(InputStream stream, Instant lastModified)
ReusableImageStream(ImageStream stream)

Method Summary

Modifier and Type	Method	Description
static @NonNull ReusableImageStream.Builder	builder()
void	close()
void	copy()
void	copyImageInfoTo(BackendImageMetadata<?> image)
protected void	createShutDownHook()
protected void	finalize()
@NonNull Path	getFile()
byte[]	getHash()
long	getLength()
InputStream	getStream()
static @PolyNull ReusableImageStream	of(@PolyNull ImageStream imageStream)
protected void	removeShutDownHook()
ReusableImageStream	withMetaData(BackendImageMetadata<?> metaData)

Methods inherited from class nl.vpro.domain.image.backend.ImageStream

canEqual, equals, getContentType, getEtag, getLastModified, getOnClose, getUrl, hashCode, imageStreamBuilder, isClosed, of, of, of, of, of, of, setClosed, setContentType, setEtag, setOnClose, setUrl, toString

Methods inherited from class java.lang.Object

clone, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ReusableImageStream

public ReusableImageStream(InputStream stream)

ReusableImageStream

public ReusableImageStream(InputStream stream,
                           Instant lastModified)

ReusableImageStream

public ReusableImageStream(InputStream stream,
                           long length,
                           Instant lastModified)

ReusableImageStream

public ReusableImageStream(ImageStream stream)
                    throws IOException

Throws:

IOException

Method Detail

of

public static @PolyNull ReusableImageStream of(@PolyNull ImageStream imageStream)
                                        throws IOException

Throws:

IOException

getStream

public InputStream getStream()
                      throws IOException

Overrides:

getStream in class ImageStream

Throws:

IOException - if the stream could not be produces because closed.

getLength

public long getLength()

Overrides:

getLength in class ImageStream

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Overrides:

close in class ImageStream

Throws:

IOException

withMetaData

public ReusableImageStream withMetaData(BackendImageMetadata<?> metaData)

Overrides:

withMetaData in class ImageStream

copyImageInfoTo

public void copyImageInfoTo(BackendImageMetadata<?> image)
                     throws IOException

Throws:

IOException

getHash

public byte[] getHash()
               throws IOException

Throws:

IOException

copy

public void copy()
          throws IOException

Throws:

IOException

createShutDownHook

protected void createShutDownHook()

removeShutDownHook

protected void removeShutDownHook()

getFile

public @NonNull Path getFile()
                      throws IOException

Throws:

IOException

builder

public static @NonNull ReusableImageStream.Builder builder()