Package de.xima.fc.workflow

Class SupplyingResourceDescriptor

java.lang.Object

de.xima.fc.workflow.SupplyingResourceDescriptor

All Implemented Interfaces:

IResourceDescriptor, Serializable

public final class SupplyingResourceDescriptor
extends Object
implements IResourceDescriptor

Implements IResourceDescriptor by lazily obtaining data from a supplier.

Since:

8.0.0

Author:

XIMA MEDIA GmbH

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
SupplyingResourceDescriptor(URI uri, IIOSupplier<InputStream> data, Charset charset)	Creates a new resource descriptor for the given URI with the given data.

Method Summary

Modifier and Type	Method	Description
static IResourceDescriptor	fromByteArray(URI uri, IIOSupplier<byte[]> data, Charset charset)	Creates a new resource descriptor for the given URI with the given data.
static IResourceDescriptor	fromString(URI uri, IIOSupplier<String> data, Charset charset)	Creates a new resource descriptor for the given URI with the given data.
URI	getAbsoluteUri()
Charset	getCharset()
InputStream	open()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

SupplyingResourceDescriptor

public SupplyingResourceDescriptor(URI uri,
 IIOSupplier<InputStream> data,
 Charset charset)

Creates a new resource descriptor for the given URI with the given data.

Parameters:

uri - URI of the resource.

data - Data of the resource.

charset - Charset for plain text files. For binary files, pass null.

Method Details

getAbsoluteUri

public URI getAbsoluteUri()

Specified by:

getAbsoluteUri in interface IResourceDescriptor

Returns:

An absolute URI that identifies this resource. It is an error for this to return an URI where URI.isAbsolute() yields false.

getCharset

public Charset getCharset()

Specified by:

getCharset in interface IResourceDescriptor

Returns:

When this resource is a plain text resource: the charset or encoding of the text. Defaults to UTF_8.

open

public InputStream open()
                 throws IOException

Specified by:

open in interface IResourceDescriptor

Returns:

An input stream to the content of the resource.

Throws:

IOException - When the resource could not be opened.

toString

public String toString()

Overrides:

toString in class Object

fromString

public static IResourceDescriptor fromString(URI uri,
 IIOSupplier<String> data,
 Charset charset)

Creates a new resource descriptor for the given URI with the given data.

Parameters:

uri - URI of the resource.

data - Data of the resource.

charset - Encoding to use for reading the string's bytes.

Returns:

A resource descriptor for the given data.

fromByteArray

public static IResourceDescriptor fromByteArray(URI uri,
 IIOSupplier<byte[]> data,
 Charset charset)

Creates a new resource descriptor for the given URI with the given data.

Parameters:

uri - URI of the resource.

data - Data of the resource.

charset - Encoding of the string represented by the supplied bytes.

Returns:

A resource descriptor for the given data.