Class AbstractOnDemandInputStream<T extends OutputStream>

java.lang.Object

java.io.InputStream

org.jboss.shrinkwrap.impl.base.exporter.AbstractOnDemandInputStream<T>

All Implemented Interfaces:

Closeable, AutoCloseable

public abstract class AbstractOnDemandInputStream<T extends OutputStream>
extends InputStream

Base for on-demand input streams. Encodes data on the fly, when read method is executed.

Author:

Michal Matloka

Field Summary

Fields

Modifier and Type	Field	Description
protected T	outputStream	Created by abstract method.

Constructor Summary

Constructors

Constructor	Description
AbstractOnDemandInputStream(Archive<?> archive)	Creates stream directly from archive.

Method Summary

Modifier and Type	Method	Description
protected abstract void	closeEntry(T outputStream)	Closes the current entry context for the specified OutputStream.
protected abstract T	createOutputStream(OutputStream outputStream)	Creates the real OutputStream to which we'll write, wrapping the provided target.
protected abstract void	putNextEntry(T outputStream, String context, Asset asset)	Writes the next entry (demarcates a new file/folder is to be written).
int	read()

Methods inherited from class InputStream

available, close, mark, markSupported, nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, transferTo

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

outputStream

protected T extends OutputStream outputStream

Created by abstract method.

Constructor Details

AbstractOnDemandInputStream

public AbstractOnDemandInputStream(Archive<?> archive)

Creates stream directly from archive.

Parameters:

archive - The archive from which the stream is created

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

createOutputStream

protected abstract T createOutputStream(OutputStream outputStream)
                                 throws IOException

Creates the real OutputStream to which we'll write, wrapping the provided target.

Parameters:

outputStream - The underlying output stream to be wrapped

Returns:

The created output stream

Throws:

IOException - If an error occurred in creating the stream

putNextEntry

protected abstract void putNextEntry(T outputStream,
 String context,
 Asset asset)
                              throws IOException

Writes the next entry (demarcates a new file/folder is to be written).

Parameters:

outputStream - The output stream to write to

context - The context or path of the entry

asset - The asset to be written

Throws:

IOException - If an error occurred writing the entry

closeEntry

protected abstract void closeEntry(T outputStream)
                            throws IOException

Closes the current entry context for the specified OutputStream.

Parameters:

outputStream - The output stream to close the entry for

Throws:

IOException