Package nl.siegmann.epublib.bookprocessor

Class CoverpageBookProcessor

java.lang.Object

nl.siegmann.epublib.bookprocessor.CoverpageBookProcessor

All Implemented Interfaces:

BookProcessor

public class CoverpageBookProcessor
extends java.lang.Object
implements BookProcessor

If the book contains a cover image then this will add a cover page to the book. If the book contains a cover html page it will set that page's first image as the book's cover image. FIXME: will overwrite any "cover.jpg" or "cover.html" that are already there.

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	DEFAULT_COVER_IMAGE_HREF
static java.lang.String	DEFAULT_COVER_IMAGE_ID
static java.lang.String	DEFAULT_COVER_PAGE_HREF
static java.lang.String	DEFAULT_COVER_PAGE_ID
private static org.slf4j.Logger	log
static int	MAX_COVER_IMAGE_SIZE

Fields inherited from interface nl.siegmann.epublib.epub.BookProcessor

IDENTITY_BOOKPROCESSOR

Constructor Summary

Constructors

Constructor	Description
CoverpageBookProcessor()

Method Summary

Modifier and Type	Method	Description
(package private) static java.lang.String	calculateAbsoluteImageHref(java.lang.String relativeImageHref, java.lang.String baseHref)
private java.awt.Dimension	calculateResizeSize(java.awt.image.BufferedImage image)
private java.lang.String	createCoverpageHtml(java.lang.String title, java.lang.String imageHref)
private java.awt.image.BufferedImage	createResizedCopy(java.awt.Image originalImage, int scaledWidth, int scaledHeight, boolean preserveAlpha)
private byte[]	createThumbnail(byte[] imageData)
private Resource	findCoverPage(Book book)
private void	fixCoverResourceId(Book book, Resource resource, java.lang.String defaultId)
private java.lang.String	getCoverImageHref(Resource imageResource, Book book)
private java.lang.String	getCoverPageHref(Book book)
private Resource	getFirstImageSource(Resource titlePageResource, Resources resources)
Book	processBook(Book book)
private void	setCoverResourceIds(Book book)

Methods inherited from class java.lang.Object

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

Field Detail

MAX_COVER_IMAGE_SIZE

public static int MAX_COVER_IMAGE_SIZE

log

private static final org.slf4j.Logger log

DEFAULT_COVER_PAGE_ID

public static final java.lang.String DEFAULT_COVER_PAGE_ID

See Also:

Constant Field Values

DEFAULT_COVER_PAGE_HREF

public static final java.lang.String DEFAULT_COVER_PAGE_HREF

See Also:

Constant Field Values

DEFAULT_COVER_IMAGE_ID

public static final java.lang.String DEFAULT_COVER_IMAGE_ID

See Also:

Constant Field Values

DEFAULT_COVER_IMAGE_HREF

public static final java.lang.String DEFAULT_COVER_IMAGE_HREF

See Also:

Constant Field Values

Constructor Detail

CoverpageBookProcessor

public CoverpageBookProcessor()

Method Detail

processBook

public Book processBook(Book book)

Specified by:

processBook in interface BookProcessor

findCoverPage

private Resource findCoverPage(Book book)

setCoverResourceIds

private void setCoverResourceIds(Book book)

fixCoverResourceId

private void fixCoverResourceId(Book book,
                                Resource resource,
                                java.lang.String defaultId)

getCoverPageHref

private java.lang.String getCoverPageHref(Book book)

getCoverImageHref

private java.lang.String getCoverImageHref(Resource imageResource,
                                           Book book)

getFirstImageSource

private Resource getFirstImageSource(Resource titlePageResource,
                                     Resources resources)

calculateAbsoluteImageHref

static java.lang.String calculateAbsoluteImageHref(java.lang.String relativeImageHref,
                                                   java.lang.String baseHref)

createCoverpageHtml

private java.lang.String createCoverpageHtml(java.lang.String title,
                                             java.lang.String imageHref)

calculateResizeSize

private java.awt.Dimension calculateResizeSize(java.awt.image.BufferedImage image)

createThumbnail

private byte[] createThumbnail(byte[] imageData)
                        throws java.io.IOException

Throws:

java.io.IOException

createResizedCopy

private java.awt.image.BufferedImage createResizedCopy(java.awt.Image originalImage,
                                                       int scaledWidth,
                                                       int scaledHeight,
                                                       boolean preserveAlpha)