Package org.apache.juneau.marshall.swaps

Class InputStreamSwap

java.lang.Object

org.apache.juneau.marshall.swap.spi.ObjectSwap<T,String>

org.apache.juneau.marshall.swap.spi.StringSwap<InputStream>

org.apache.juneau.marshall.swaps.InputStreamSwap

Direct Known Subclasses:

InputStreamSwap.Base64, InputStreamSwap.Hex, InputStreamSwap.SpacedHex

public abstract class InputStreamSwap
extends StringSwap<InputStream>

Transforms InputStreams to Strings.

See Also:

• Swap

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	InputStreamSwap.Base64	Converts InputStreams to BASE-64 encoding.
static class	InputStreamSwap.Hex	Converts InputStreams to hex encoding.
static class	InputStreamSwap.SpacedHex	Converts InputStreams to spaced-hex encoding.

Field Summary

Fields inherited from class org.apache.juneau.marshall.swap.spi.ObjectSwap

NULL

Constructor Summary

Constructors

Constructor	Description
InputStreamSwap()

Method Summary

Modifier and Type	Method	Description
protected byte[]	toBytes(InputStream is)	Convert the specified input stream to a byte array.
protected InputStream	toStream(byte[] b, ClassMeta<?> hint)	Convert the specified byte array into an input stream.

Methods inherited from class org.apache.juneau.marshall.swap.spi.ObjectSwap

forMediaTypes, forMediaTypes, getNormalClass, getSwapClass, getSwapClassMeta, isNormalObject, isSwappedObject, match, swap, swap, toString, unswap, unswap, withTemplate, withTemplate

Methods inherited from class java.lang.Object

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

Constructor Details

InputStreamSwap

public InputStreamSwap()

Method Details

toBytes

protected byte[] toBytes(InputStream is)
                  throws IOException

Convert the specified input stream to a byte array.

Parameters:

is - The input stream to convert to bytes.
Can be null (returns an empty array).
The stream is automatically closed.

Returns:

The byte array.

Throws:

IOException - Thrown by input stream.

toStream

protected InputStream toStream(byte[] b,
 ClassMeta<?> hint)

Convert the specified byte array into an input stream.

Parameters:

b - The byte array.

hint - Contains a hint about what subtype is being requested.
Can be null, in which case InputStream is assumed.

Returns:

The contents of the byte array as an input stream, or null if the hint requests a stream subtype other than InputStream or ByteArrayInputStream.