org.apache.fop.image.analyser
Class JPEGReader

java.lang.Object
  org.apache.fop.image.analyser.JPEGReader

All Implemented Interfaces:

ImageReader

public class JPEGReader

extends java.lang.Object

implements ImageReader

ImageReader object for JPEG image type.

Version:

$Id: JPEGReader.java 426576 2006-07-28 15:44:37Z jeremias $

Author:

Pankaj Narula

Constructor Summary

JPEGReader()

Method Summary

java.lang.String	getMimeType() Returns the MIME type supported by this implementation.
FopImage.ImageInfo	verifySignature(java.lang.String uri, java.io.InputStream fis, FOUserAgent ua) Verify image type.

Methods inherited from class java.lang.Object

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

Constructor Detail

JPEGReader

public JPEGReader()

Method Detail

verifySignature

public FopImage.ImageInfo verifySignature(java.lang.String uri,
                                          java.io.InputStream fis,
                                          FOUserAgent ua)
                                   throws java.io.IOException

Description copied from interface: ImageReader

Verify image type. If the stream does not contain image data expected by the reader it must reset the stream to the start. This is so that the next reader can start reading from the start. The reader must not close the stream unless it can handle the image and it has read the information.

Specified by:

verifySignature in interface ImageReader

Parameters:

fis - Image buffered input stream

uri - URI to the image

ua - The user agent

Returns:

true if image type is the handled one

Throws:

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

See Also:

ImageReader

getMimeType

public java.lang.String getMimeType()

Returns the MIME type supported by this implementation.

Returns:

The MIME type