Package org.ametys.core.resources

Class ImageResourceHandler

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.core.resources.DefaultResourceHandler

org.ametys.core.resources.ImageResourceHandler

All Implemented Interfaces:

ResourceHandler, LogEnabled, Serviceable

Direct Known Subclasses:

PdfCoverResourceHandler

public class ImageResourceHandler
extends DefaultResourceHandler

Resource handler for images

Field Summary

Fields

Modifier and Type	Field	Description
private static Collection<String>	__ALLOWED_OUTPUT_FORMATS
private static Collection<String>	__UNRESIZABLE_FORMATS
private int	_cropHeight
private int	_cropWidth
private boolean	_download
private int	_height
private int	_maxHeight
private int	_maxWidth
private static Pattern	_SIZE_PATTERN
private int	_width

Fields inherited from class org.ametys.core.resources.DefaultResourceHandler

_objectModel, _parameters, _readForDownload, _requestedLocation, _resolver, _source

Constructor Summary

Constructors

Constructor	Description
ImageResourceHandler()

Method Summary

Modifier and Type	Method	Description
private boolean	_processImage(String fileExtension)
void	generate(OutputStream out)	Generate the resource configured during setup, and output it
Serializable	getKey()	Get the unique key for this resource, for cache purpose.
Source	setup(String location, Map objectModel, Parameters par, boolean readForDownload)	Initialize the resource handler with a resource.

Methods inherited from class org.ametys.core.resources.DefaultResourceHandler

getLastModified, getLength, getMimeType, getValidity, service

Methods inherited from class org.ametys.runtime.plugin.component.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ametys.core.resources.ResourceHandler

shouldUseSourceContentLength

Field Detail

_SIZE_PATTERN

private static final Pattern _SIZE_PATTERN

__ALLOWED_OUTPUT_FORMATS

private static final Collection<String> __ALLOWED_OUTPUT_FORMATS

__UNRESIZABLE_FORMATS

private static final Collection<String> __UNRESIZABLE_FORMATS

_height

private int _height

_width

private int _width

_maxHeight

private int _maxHeight

_maxWidth

private int _maxWidth

_cropHeight

private int _cropHeight

_cropWidth

private int _cropWidth

_download

private boolean _download

Constructor Detail

ImageResourceHandler

public ImageResourceHandler()

Method Detail

setup

public Source setup(String location,
                    Map objectModel,
                    Parameters par,
                    boolean readForDownload)
             throws IOException,
                    ProcessingException

Description copied from interface: ResourceHandler

Initialize the resource handler with a resource.

Specified by:

setup in interface ResourceHandler

Overrides:

setup in class DefaultResourceHandler

Parameters:

location - The source uri

objectModel - The object model

par - The parameters

readForDownload - if the resource is to be downloaded and not rendered.

Returns:

the resolved source

Throws:

IOException - If an error occurs

ProcessingException - If an error occurs

generate

public void generate(OutputStream out)
              throws IOException,
                     ProcessingException

Description copied from interface: ResourceHandler

Generate the resource configured during setup, and output it

Specified by:

generate in interface ResourceHandler

Overrides:

generate in class DefaultResourceHandler

Parameters:

out - The output stream to write to

Throws:

IOException - If an error occurs

ProcessingException - If an error occurs

_processImage

private boolean _processImage(String fileExtension)

getKey

public Serializable getKey()

Description copied from interface: ResourceHandler

Get the unique key for this resource, for cache purpose.

Specified by:

getKey in interface ResourceHandler

Overrides:

getKey in class DefaultResourceHandler

Returns:

The cache key.