gedoor
4 years ago
parent
6cda4f49af
commit
c53784ca37
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package me.ag2s.epublib.domain; |
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import java.io.Serializable; |
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import java.util.ArrayList; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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/** |
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* Representation of a Book. |
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* <p> |
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* All resources of a Book (html, css, xml, fonts, images) are represented |
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* as Resources. See getResources() for access to these.<br/> |
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* A Book as 3 indexes into these Resources, as per the epub specification.<br/> |
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* <dl> |
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* <dt>Spine</dt> |
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* <dd>these are the Resources to be shown when a user reads the book from |
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* start to finish.</dd> |
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* <dt>Table of Contents<dt> |
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* <dd>The table of contents. Table of Contents references may be in a |
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* different order and contain different Resources than the spine, and often do. |
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* <dt>Guide</dt> |
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* <dd>The Guide has references to a set of special Resources like the |
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* cover page, the Glossary, the copyright page, etc. |
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* </dl> |
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* <p/> |
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* The complication is that these 3 indexes may and usually do point to |
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* different pages. |
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* A chapter may be split up in 2 pieces to fit it in to memory. Then the |
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* spine will contain both pieces, but the Table of Contents only the first. |
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* <p> |
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* The Content page may be in the Table of Contents, the Guide, but not |
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* in the Spine. |
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* Etc. |
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* <p/> |
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* <p> |
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* Please see the illustration at: doc/schema.svg |
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* |
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* @author paul |
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* @author jake |
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*/ |
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public class Book implements Serializable { |
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private static final long serialVersionUID = 2068355170895770100L; |
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private Resources resources = new Resources(); |
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private Metadata metadata = new Metadata(); |
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private Spine spine = new Spine(); |
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private TableOfContents tableOfContents = new TableOfContents(); |
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private final Guide guide = new Guide(); |
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private Resource opfResource; |
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private Resource ncxResource; |
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private Resource coverImage; |
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private String version="2.0"; |
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public String getVersion() { |
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return version; |
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} |
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public void setVersion(String version) { |
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this.version = version; |
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} |
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public boolean isEpub3() { |
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return this.version.startsWith("3."); |
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} |
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@SuppressWarnings("UnusedReturnValue") |
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public TOCReference addSection( |
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TOCReference parentSection, String sectionTitle, Resource resource) { |
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return addSection(parentSection, sectionTitle, resource, null); |
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} |
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/** |
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* Adds the resource to the table of contents of the book as a child |
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* section of the given parentSection |
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* |
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* @param parentSection parentSection |
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* @param sectionTitle sectionTitle |
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* @param resource resource |
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* @param fragmentId fragmentId |
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* @return The table of contents |
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*/ |
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public TOCReference addSection( |
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TOCReference parentSection, String sectionTitle, Resource resource, |
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String fragmentId) { |
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getResources().add(resource); |
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if (spine.findFirstResourceById(resource.getId()) < 0) { |
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spine.addSpineReference(new SpineReference(resource)); |
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} |
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return parentSection.addChildSection( |
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new TOCReference(sectionTitle, resource, fragmentId)); |
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} |
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public TOCReference addSection(String title, Resource resource) { |
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return addSection(title, resource, null); |
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} |
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/** |
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* Adds a resource to the book's set of resources, table of contents and |
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* if there is no resource with the id in the spine also adds it to the spine. |
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* |
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* @param title title |
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* @param resource resource |
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* @param fragmentId fragmentId |
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* @return The table of contents |
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*/ |
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public TOCReference addSection( |
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String title, Resource resource, String fragmentId) { |
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getResources().add(resource); |
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TOCReference tocReference = tableOfContents |
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.addTOCReference(new TOCReference(title, resource, fragmentId)); |
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if (spine.findFirstResourceById(resource.getId()) < 0) { |
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spine.addSpineReference(new SpineReference(resource)); |
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} |
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return tocReference; |
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} |
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@SuppressWarnings("unused") |
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public void generateSpineFromTableOfContents() { |
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Spine spine = new Spine(tableOfContents); |
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// in case the tocResource was already found and assigned
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spine.setTocResource(this.spine.getTocResource()); |
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this.spine = spine; |
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} |
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/** |
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* The Book's metadata (titles, authors, etc) |
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* |
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* @return The Book's metadata (titles, authors, etc) |
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*/ |
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public Metadata getMetadata() { |
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return metadata; |
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} |
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public void setMetadata(Metadata metadata) { |
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this.metadata = metadata; |
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} |
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public void setResources(Resources resources) { |
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this.resources = resources; |
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} |
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@SuppressWarnings("unused") |
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public Resource addResource(Resource resource) { |
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return resources.add(resource); |
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} |
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/** |
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* The collection of all images, chapters, sections, xhtml files, |
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* stylesheets, etc that make up the book. |
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* |
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* @return The collection of all images, chapters, sections, xhtml files, |
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* stylesheets, etc that make up the book. |
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*/ |
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public Resources getResources() { |
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return resources; |
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} |
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/** |
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* The sections of the book that should be shown if a user reads the book |
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* from start to finish. |
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* |
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* @return The Spine |
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*/ |
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public Spine getSpine() { |
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return spine; |
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} |
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public void setSpine(Spine spine) { |
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this.spine = spine; |
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} |
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/** |
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* The Table of Contents of the book. |
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* |
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* @return The Table of Contents of the book. |
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*/ |
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public TableOfContents getTableOfContents() { |
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return tableOfContents; |
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} |
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public void setTableOfContents(TableOfContents tableOfContents) { |
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this.tableOfContents = tableOfContents; |
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} |
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/** |
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* The book's cover page as a Resource. |
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* An XHTML document containing a link to the cover image. |
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* |
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* @return The book's cover page as a Resource |
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*/ |
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public Resource getCoverPage() { |
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Resource coverPage = guide.getCoverPage(); |
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if (coverPage == null) { |
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coverPage = spine.getResource(0); |
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} |
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return coverPage; |
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} |
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public void setCoverPage(Resource coverPage) { |
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if (coverPage == null) { |
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return; |
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} |
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if (resources.notContainsByHref(coverPage.getHref())) { |
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resources.add(coverPage); |
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} |
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guide.setCoverPage(coverPage); |
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} |
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/** |
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* Gets the first non-blank title from the book's metadata. |
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* |
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* @return the first non-blank title from the book's metadata. |
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*/ |
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public String getTitle() { |
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return getMetadata().getFirstTitle(); |
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} |
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/** |
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* The book's cover image. |
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* |
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* @return The book's cover image. |
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*/ |
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public Resource getCoverImage() { |
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return coverImage; |
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} |
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public void setCoverImage(Resource coverImage) { |
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if (coverImage == null) { |
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return; |
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} |
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if (resources.notContainsByHref(coverImage.getHref())) { |
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resources.add(coverImage); |
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} |
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this.coverImage = coverImage; |
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} |
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/** |
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* The guide; contains references to special sections of the book like |
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* colophon, glossary, etc. |
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* |
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* @return The guide; contains references to special sections of the book |
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* like colophon, glossary, etc. |
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*/ |
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public Guide getGuide() { |
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return guide; |
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} |
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/** |
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* All Resources of the Book that can be reached via the Spine, the |
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* TableOfContents or the Guide. |
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* <p/> |
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* Consists of a list of "reachable" resources: |
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* <ul> |
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* <li>The coverpage</li> |
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* <li>The resources of the Spine that are not already in the result</li> |
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* <li>The resources of the Table of Contents that are not already in the |
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* result</li> |
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* <li>The resources of the Guide that are not already in the result</li> |
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* </ul> |
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* To get all html files that make up the epub file use |
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* {@link #getResources()} |
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* |
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* @return All Resources of the Book that can be reached via the Spine, |
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* the TableOfContents or the Guide. |
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*/ |
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public List<Resource> getContents() { |
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Map<String, Resource> result = new LinkedHashMap<>(); |
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addToContentsResult(getCoverPage(), result); |
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for (SpineReference spineReference : getSpine().getSpineReferences()) { |
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addToContentsResult(spineReference.getResource(), result); |
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} |
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for (Resource resource : getTableOfContents().getAllUniqueResources()) { |
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addToContentsResult(resource, result); |
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} |
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for (GuideReference guideReference : getGuide().getReferences()) { |
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addToContentsResult(guideReference.getResource(), result); |
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} |
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return new ArrayList<>(result.values()); |
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} |
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private static void addToContentsResult(Resource resource, |
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Map<String, Resource> allReachableResources) { |
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if (resource != null && (!allReachableResources |
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.containsKey(resource.getHref()))) { |
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allReachableResources.put(resource.getHref(), resource); |
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} |
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} |
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public Resource getOpfResource() { |
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return opfResource; |
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} |
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public void setOpfResource(Resource opfResource) { |
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this.opfResource = opfResource; |
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} |
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public void setNcxResource(Resource ncxResource) { |
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this.ncxResource = ncxResource; |
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} |
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public Resource getNcxResource() { |
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return ncxResource; |
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} |
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} |
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@ -1,9 +1,323 @@ |
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package me.ag2s.epublib.domain; |
package me.ag2s.epublib.domain; |
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import java.io.Serializable; |
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import java.util.ArrayList; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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/** |
/** |
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* 这个是用于其它与Book类同名时替换的 |
* Representation of a Book. |
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* <p> |
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* All resources of a Book (html, css, xml, fonts, images) are represented |
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* as Resources. See getResources() for access to these.<br/> |
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* A Book as 3 indexes into these Resources, as per the epub specification.<br/> |
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* <dl> |
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* <dt>Spine</dt> |
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* <dd>these are the Resources to be shown when a user reads the book from |
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* start to finish.</dd> |
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* <dt>Table of Contents<dt> |
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* <dd>The table of contents. Table of Contents references may be in a |
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* different order and contain different Resources than the spine, and often do. |
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* <dt>Guide</dt> |
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* <dd>The Guide has references to a set of special Resources like the |
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* cover page, the Glossary, the copyright page, etc. |
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* </dl> |
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* <p/> |
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* The complication is that these 3 indexes may and usually do point to |
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* different pages. |
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* A chapter may be split up in 2 pieces to fit it in to memory. Then the |
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* spine will contain both pieces, but the Table of Contents only the first. |
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* <p> |
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* The Content page may be in the Table of Contents, the Guide, but not |
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* in the Spine. |
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* Etc. |
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* <p/> |
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* <p> |
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* Please see the illustration at: doc/schema.svg |
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* |
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* @author paul |
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* @author jake |
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*/ |
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public class EpubBook implements Serializable { |
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private static final long serialVersionUID = 2068355170895770100L; |
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private Resources resources = new Resources(); |
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private Metadata metadata = new Metadata(); |
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private Spine spine = new Spine(); |
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private TableOfContents tableOfContents = new TableOfContents(); |
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private final Guide guide = new Guide(); |
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private Resource opfResource; |
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private Resource ncxResource; |
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private Resource coverImage; |
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private String version = "2.0"; |
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public String getVersion() { |
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return version; |
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} |
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public void setVersion(String version) { |
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this.version = version; |
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} |
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public boolean isEpub3() { |
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return this.version.startsWith("3."); |
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} |
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@SuppressWarnings("UnusedReturnValue") |
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public TOCReference addSection( |
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TOCReference parentSection, String sectionTitle, Resource resource) { |
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return addSection(parentSection, sectionTitle, resource, null); |
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} |
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/** |
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* Adds the resource to the table of contents of the book as a child |
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* section of the given parentSection |
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* |
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* @param parentSection parentSection |
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* @param sectionTitle sectionTitle |
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* @param resource resource |
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* @param fragmentId fragmentId |
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* @return The table of contents |
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*/ |
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public TOCReference addSection( |
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TOCReference parentSection, String sectionTitle, Resource resource, |
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String fragmentId) { |
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getResources().add(resource); |
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if (spine.findFirstResourceById(resource.getId()) < 0) { |
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spine.addSpineReference(new SpineReference(resource)); |
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} |
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return parentSection.addChildSection( |
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new TOCReference(sectionTitle, resource, fragmentId)); |
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} |
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public TOCReference addSection(String title, Resource resource) { |
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return addSection(title, resource, null); |
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} |
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/** |
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* Adds a resource to the book's set of resources, table of contents and |
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* if there is no resource with the id in the spine also adds it to the spine. |
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* |
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* @param title title |
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* @param resource resource |
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* @param fragmentId fragmentId |
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* @return The table of contents |
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*/ |
*/ |
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@SuppressWarnings("unused declaration") |
public TOCReference addSection( |
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public class EpubBook extends Book { |
String title, Resource resource, String fragmentId) { |
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getResources().add(resource); |
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TOCReference tocReference = tableOfContents |
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.addTOCReference(new TOCReference(title, resource, fragmentId)); |
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if (spine.findFirstResourceById(resource.getId()) < 0) { |
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spine.addSpineReference(new SpineReference(resource)); |
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} |
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return tocReference; |
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} |
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@SuppressWarnings("unused") |
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public void generateSpineFromTableOfContents() { |
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Spine spine = new Spine(tableOfContents); |
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// in case the tocResource was already found and assigned
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spine.setTocResource(this.spine.getTocResource()); |
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this.spine = spine; |
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} |
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/** |
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* The Book's metadata (titles, authors, etc) |
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* |
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* @return The Book's metadata (titles, authors, etc) |
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*/ |
||||||
|
public Metadata getMetadata() { |
||||||
|
return metadata; |
||||||
|
} |
||||||
|
|
||||||
|
public void setMetadata(Metadata metadata) { |
||||||
|
this.metadata = metadata; |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
public void setResources(Resources resources) { |
||||||
|
this.resources = resources; |
||||||
|
} |
||||||
|
|
||||||
|
@SuppressWarnings("unused") |
||||||
|
public Resource addResource(Resource resource) { |
||||||
|
return resources.add(resource); |
||||||
|
} |
||||||
|
|
||||||
|
/** |
||||||
|
* The collection of all images, chapters, sections, xhtml files, |
||||||
|
* stylesheets, etc that make up the book. |
||||||
|
* |
||||||
|
* @return The collection of all images, chapters, sections, xhtml files, |
||||||
|
* stylesheets, etc that make up the book. |
||||||
|
*/ |
||||||
|
public Resources getResources() { |
||||||
|
return resources; |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
/** |
||||||
|
* The sections of the book that should be shown if a user reads the book |
||||||
|
* from start to finish. |
||||||
|
* |
||||||
|
* @return The Spine |
||||||
|
*/ |
||||||
|
public Spine getSpine() { |
||||||
|
return spine; |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
public void setSpine(Spine spine) { |
||||||
|
this.spine = spine; |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
/** |
||||||
|
* The Table of Contents of the book. |
||||||
|
* |
||||||
|
* @return The Table of Contents of the book. |
||||||
|
*/ |
||||||
|
public TableOfContents getTableOfContents() { |
||||||
|
return tableOfContents; |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
public void setTableOfContents(TableOfContents tableOfContents) { |
||||||
|
this.tableOfContents = tableOfContents; |
||||||
|
} |
||||||
|
|
||||||
|
/** |
||||||
|
* The book's cover page as a Resource. |
||||||
|
* An XHTML document containing a link to the cover image. |
||||||
|
* |
||||||
|
* @return The book's cover page as a Resource |
||||||
|
*/ |
||||||
|
public Resource getCoverPage() { |
||||||
|
Resource coverPage = guide.getCoverPage(); |
||||||
|
if (coverPage == null) { |
||||||
|
coverPage = spine.getResource(0); |
||||||
|
} |
||||||
|
return coverPage; |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
public void setCoverPage(Resource coverPage) { |
||||||
|
if (coverPage == null) { |
||||||
|
return; |
||||||
|
} |
||||||
|
if (resources.notContainsByHref(coverPage.getHref())) { |
||||||
|
resources.add(coverPage); |
||||||
|
} |
||||||
|
guide.setCoverPage(coverPage); |
||||||
|
} |
||||||
|
|
||||||
|
/** |
||||||
|
* Gets the first non-blank title from the book's metadata. |
||||||
|
* |
||||||
|
* @return the first non-blank title from the book's metadata. |
||||||
|
*/ |
||||||
|
public String getTitle() { |
||||||
|
return getMetadata().getFirstTitle(); |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
/** |
||||||
|
* The book's cover image. |
||||||
|
* |
||||||
|
* @return The book's cover image. |
||||||
|
*/ |
||||||
|
public Resource getCoverImage() { |
||||||
|
return coverImage; |
||||||
|
} |
||||||
|
|
||||||
|
public void setCoverImage(Resource coverImage) { |
||||||
|
if (coverImage == null) { |
||||||
|
return; |
||||||
|
} |
||||||
|
if (resources.notContainsByHref(coverImage.getHref())) { |
||||||
|
resources.add(coverImage); |
||||||
|
} |
||||||
|
this.coverImage = coverImage; |
||||||
|
} |
||||||
|
|
||||||
|
/** |
||||||
|
* The guide; contains references to special sections of the book like |
||||||
|
* colophon, glossary, etc. |
||||||
|
* |
||||||
|
* @return The guide; contains references to special sections of the book |
||||||
|
* like colophon, glossary, etc. |
||||||
|
*/ |
||||||
|
public Guide getGuide() { |
||||||
|
return guide; |
||||||
|
} |
||||||
|
|
||||||
|
/** |
||||||
|
* All Resources of the Book that can be reached via the Spine, the |
||||||
|
* TableOfContents or the Guide. |
||||||
|
* <p/> |
||||||
|
* Consists of a list of "reachable" resources: |
||||||
|
* <ul> |
||||||
|
* <li>The coverpage</li> |
||||||
|
* <li>The resources of the Spine that are not already in the result</li> |
||||||
|
* <li>The resources of the Table of Contents that are not already in the |
||||||
|
* result</li> |
||||||
|
* <li>The resources of the Guide that are not already in the result</li> |
||||||
|
* </ul> |
||||||
|
* To get all html files that make up the epub file use |
||||||
|
* {@link #getResources()} |
||||||
|
* |
||||||
|
* @return All Resources of the Book that can be reached via the Spine, |
||||||
|
* the TableOfContents or the Guide. |
||||||
|
*/ |
||||||
|
public List<Resource> getContents() { |
||||||
|
Map<String, Resource> result = new LinkedHashMap<>(); |
||||||
|
addToContentsResult(getCoverPage(), result); |
||||||
|
|
||||||
|
for (SpineReference spineReference : getSpine().getSpineReferences()) { |
||||||
|
addToContentsResult(spineReference.getResource(), result); |
||||||
|
} |
||||||
|
|
||||||
|
for (Resource resource : getTableOfContents().getAllUniqueResources()) { |
||||||
|
addToContentsResult(resource, result); |
||||||
|
} |
||||||
|
|
||||||
|
for (GuideReference guideReference : getGuide().getReferences()) { |
||||||
|
addToContentsResult(guideReference.getResource(), result); |
||||||
|
} |
||||||
|
|
||||||
|
return new ArrayList<>(result.values()); |
||||||
|
} |
||||||
|
|
||||||
|
private static void addToContentsResult(Resource resource, |
||||||
|
Map<String, Resource> allReachableResources) { |
||||||
|
if (resource != null && (!allReachableResources |
||||||
|
.containsKey(resource.getHref()))) { |
||||||
|
allReachableResources.put(resource.getHref(), resource); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
public Resource getOpfResource() { |
||||||
|
return opfResource; |
||||||
|
} |
||||||
|
|
||||||
|
public void setOpfResource(Resource opfResource) { |
||||||
|
this.opfResource = opfResource; |
||||||
|
} |
||||||
|
|
||||||
|
public void setNcxResource(Resource ncxResource) { |
||||||
|
this.ncxResource = ncxResource; |
||||||
|
} |
||||||
|
|
||||||
|
public Resource getNcxResource() { |
||||||
|
return ncxResource; |
||||||
|
} |
||||||
} |
} |
||||||
|
|
||||||
|
|||||||
Loading…
Reference in new issue