com.day.cq.dam.commons.handler

Class DefaultFormatHandler

java.lang.Object

com.day.cq.dam.commons.handler.DefaultFormatHandler

All Implemented Interfaces:

FormatHandler

public class DefaultFormatHandler
extends java.lang.Object
implements FormatHandler

Base class for format handlers.

Constructor Summary

Constructors

Constructor and Description
DefaultFormatHandler()

Method Summary

Modifier and Type	Method and Description
boolean	accepts(byte[] data, int off, int len) Return a flag indicating whether the handler is able to handle the data.
java.io.InputStream	getMetadata(java.io.InputStream in) Return metadata as in input stream (utility method).
java.awt.image.BufferedImage	getThumbnailImage(java.io.InputStream in) Return a thumbnail image from an input stream (utility method).
void	process(java.io.InputStream in, Context context) Process the input stream given.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultFormatHandler

public DefaultFormatHandler()

Method Detail

accepts

public boolean accepts(byte[] data,
                       int off,
                       int len)

Return a flag indicating whether the handler is able to handle the data. The default format handler accepts all kind of data.

Specified by:

accepts in interface FormatHandler

Parameters:

data - data buffer

off - offset

len - number of valid bytes

Returns:

true if the handler is able to handle the data; false otherwise

process

public final void process(java.io.InputStream in,
                          Context context)
                   throws java.io.IOException

Process the input stream given.

Specified by:

process in interface FormatHandler

Parameters:

in - input stream

context - call context

Throws:

java.io.IOException - if an I/O error occurs

getThumbnailImage

public java.awt.image.BufferedImage getThumbnailImage(java.io.InputStream in)
                                               throws java.io.IOException,
                                                      ProcessorException

Return a thumbnail image from an input stream (utility method).

Specified by:

getThumbnailImage in interface FormatHandler

Parameters:

in - input stream

Returns:

buffered image or null

Throws:

java.io.IOException - if an I/O error occurs

ProcessorException - if a processor reports an error

getMetadata

public java.io.InputStream getMetadata(java.io.InputStream in)
                                throws java.io.IOException,
                                       ProcessorException

Return metadata as in input stream (utility method).

Specified by:

getMetadata in interface FormatHandler

Parameters:

in - input stream

Returns:

metadata input stream or null

Throws:

java.io.IOException - if an I/O error occurs

ProcessorException - if a processor reports an error