org.apache.wicket.request.resource
Class ByteArrayResource

java.lang.Object
  org.apache.wicket.request.resource.AbstractResource
      org.apache.wicket.request.resource.BaseDataResource<byte[]>
          org.apache.wicket.request.resource.ByteArrayResource

All Implemented Interfaces:

Serializable, IResource, IClusterable

public class ByteArrayResource
extends BaseDataResource<byte[]>

An IResource for byte arrays. The byte array can be static - passed to the constructor, or dynamic - by overriding getData(org.apache.wicket.request.resource.IResource.Attributes)

Author:

Matej Knopp

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.wicket.request.resource.AbstractResource

AbstractResource.ResourceResponse, AbstractResource.WriteCallback

Nested classes/interfaces inherited from interface org.apache.wicket.request.resource.IResource

IResource.Attributes

Field Summary

Fields inherited from class org.apache.wicket.request.resource.AbstractResource

INTERNAL_HEADERS

Constructor Summary

ByteArrayResource(String contentType)
Creates a ByteArrayResource which will provide its data dynamically with getData(org.apache.wicket.request.resource.IResource.Attributes)

ByteArrayResource(String contentType, byte[] array)
Creates a Resource from the given byte array with its content type

ByteArrayResource(String contentType, byte[] array, String filename)
Creates a Resource from the given byte array with its content type

Method Summary

protected byte[]	getData(IResource.Attributes attributes) Gets the data for this resource.
protected Long	getLength(byte[] data)
protected void	writeData(Response response, byte[] data) Writes the given data to the response

Methods inherited from class org.apache.wicket.request.resource.BaseDataResource

configureResponse, newResourceResponse

Methods inherited from class org.apache.wicket.request.resource.AbstractResource

configureCache, flushResponseAfterHeaders, getCachingStrategy, respond, setResponseHeaders

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteArrayResource

public ByteArrayResource(String contentType)

Creates a ByteArrayResource which will provide its data dynamically with getData(org.apache.wicket.request.resource.IResource.Attributes)

Parameters:

contentType - The Content type of the array.

ByteArrayResource

public ByteArrayResource(String contentType,
                         byte[] array)

Creates a Resource from the given byte array with its content type

Parameters:

contentType - The Content type of the array.

array - The binary content

ByteArrayResource

public ByteArrayResource(String contentType,
                         byte[] array,
                         String filename)

Creates a Resource from the given byte array with its content type

Parameters:

contentType - The Content type of the array.

array - The binary content

filename - The filename that will be set as the Content-Disposition header.

Method Detail

getData

protected byte[] getData(IResource.Attributes attributes)

Description copied from class: BaseDataResource

Gets the data for this resource.

Overrides:

getData in class BaseDataResource<byte[]>

Parameters:

attributes - the context bringing the request, response and the parameters

Returns:

The data for this resource

writeData

protected void writeData(Response response,
                         byte[] data)

Description copied from class: BaseDataResource

Writes the given data to the response

Specified by:

writeData in class BaseDataResource<byte[]>

Parameters:

response - The response to write to

data - The data to write

getLength

protected Long getLength(byte[] data)

Specified by:

getLength in class BaseDataResource<byte[]>

Parameters:

data - The data to be written

Returns:

The length of the data to be written. Used to set "Content-Length" response header