Java TOCReference类代码示例

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private void loadBook() {

        try {
            // 打开书籍
            EpubReader reader = new EpubReader();
            InputStream is = new FileInputStream(mFilePath);
            mBook = reader.readEpub(is);

            mTocReferences = (ArrayList<TOCReference>) mBook.getTableOfContents().getTocReferences();
            mSpineReferences = mBook.getSpine().getSpineReferences();

            setSpineReferenceTitle();

            // 解压epub至缓存目录
            FileUtils.unzipFile(mFilePath, Constant.PATH_EPUB + "/" + mFileName);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
@Override
public void onBindViewHolder(VH holder, int position) {
    TOCReference tocReference = tableOfContents.get(position);
    String title = tocReference.getTitle();
    if (title == null) {
        title = "Chapter " + (position + 1);
    }
    holder.binding.chapterTitle.setText(title);

    if (position == currentTocPosition) {
        holder.binding.chapterTitle.setBackgroundColor(Color.LTGRAY);
    } else {
        holder.binding.chapterTitle.setBackgroundColor(Color.TRANSPARENT);
    }

    holder.binding.getRoot().setOnClickListener(v -> {
        // search correct chapter (spine position) for toc entry
        int spinePosition = epub.getSpinePositionForTocReference(tocReference);
        if (spinePosition >= 0) {
            jumpToChapter.onNext(spinePosition);
        }
    });

}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private void flatten(List<TOCReference> refs, List<TocEntry> entries,
		int level) {

	if (spine == null || refs == null || refs.isEmpty()) {
		return;
	}

	for (TOCReference ref : refs) {

		String title = "";

		for (int i = 0; i < level; i++) {
			title += "  ";
		}

		title += ref.getTitle();

		if (ref.getResource() != null) {
			entries.add(new TocEntry(title, spine.resolveTocHref(ref
					.getCompleteHref())));
		}

		flatten(ref.getChildren(), entries, level + 1);
	}
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
public static Book parseChm(FileObject chmRootDir, String inputHtmlEncoding)
		throws IOException, ParserConfigurationException,
		XPathExpressionException {
	Book result = new Book();
	result.getMetadata().addTitle(findTitle(chmRootDir));
	FileObject hhcFileObject = findHhcFileObject(chmRootDir);
	if(hhcFileObject == null) {
		throw new IllegalArgumentException("No index file found in directory " + chmRootDir + ". (Looked for file ending with extension '.hhc'");
	}
	if(inputHtmlEncoding == null) {
		inputHtmlEncoding = DEFAULT_CHM_HTML_INPUT_ENCODING;
	}
	Resources resources = findResources(chmRootDir, inputHtmlEncoding);
	List<TOCReference> tocReferences = HHCParser.parseHhc(hhcFileObject.getContent().getInputStream(), resources);
	result.setTableOfContents(new TableOfContents(tocReferences));
	result.setResources(resources);
	result.generateSpineFromTableOfContents();
	return result;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private static List<TOCReference> processUlNode(Node ulNode, Resources resources) {
	List<TOCReference> result = new ArrayList<TOCReference>();
	NodeList children = ulNode.getChildNodes();
	for(int i = 0; i < children.getLength(); i++) {
		Node node = children.item(i);
		if(node.getNodeName().equals("li")) {
			List<TOCReference> section = processLiNode(node, resources);
			result.addAll(section);
		} else if(node.getNodeName().equals("ul")) {
			List<TOCReference> childTOCReferences = processUlNode(node, resources);
			if(result.isEmpty()) {
				result = childTOCReferences;
			} else {
				result.get(result.size() - 1).getChildren().addAll(childTOCReferences);
			}
		}
	}
	return result;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private static List<TOCReference> processLiNode(Node liNode, Resources resources) {
	List<TOCReference> result = new ArrayList<TOCReference>();
	NodeList children = liNode.getChildNodes();
	for(int i = 0; i < children.getLength(); i++) {
		Node node = children.item(i);
		if(node.getNodeName().equals("object")) {
			TOCReference section = processObjectNode(node, resources);
			if(section != null) {
				result.add(section);
			}
		} else if(node.getNodeName().equals("ul")) {
			List<TOCReference> childTOCReferences = processUlNode(node, resources);
			if(result.isEmpty()) {
				result = childTOCReferences;
			} else {
				result.get(result.size() - 1).getChildren().addAll(childTOCReferences);
			}
		}
	}
	return result;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private static List<TOCReference> readTOCReferences(NodeList navpoints, Book book) {
	if(navpoints == null) {
		return new ArrayList<TOCReference>();
	}
	List<TOCReference> result = new ArrayList<TOCReference>(navpoints.getLength());
	for(int i = 0; i < navpoints.getLength(); i++) {
		Node node = navpoints.item(i);
		if (node.getNodeType() != Document.ELEMENT_NODE) {
			continue;
		}
		if (! (node.getLocalName().equals(NCXTags.navPoint))) {
			continue;
		}
		TOCReference tocReference = readTOCReference((Element) node, book);
		result.add(tocReference);
	}
	return result;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private static TOCReference readTOCReference(Element navpointElement, Book book) {
	String label = readNavLabel(navpointElement);
	String tocResourceRoot = StringUtil.substringBeforeLast(book.getSpine().getTocResource().getHref(), '/');
	if (tocResourceRoot.length() == book.getSpine().getTocResource().getHref().length()) {
		tocResourceRoot = "";
	} else {
		tocResourceRoot = tocResourceRoot + "/";
	}
	String reference = StringUtil.collapsePathDots(tocResourceRoot + readNavReference(navpointElement));
	String href = StringUtil.substringBefore(reference, Constants.FRAGMENT_SEPARATOR_CHAR);
	String fragmentId = StringUtil.substringAfter(reference, Constants.FRAGMENT_SEPARATOR_CHAR);
	Resource resource = book.getResources().getByHref(href);
	if (resource == null) {
		log.error("Resource with href " + href + " in NCX document not found");
	}
	TOCReference result = new TOCReference(label, resource, fragmentId);
	readTOCReferences(navpointElement.getChildNodes(), book);
	result.setChildren(readTOCReferences(navpointElement.getChildNodes(), book));
	return result;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private static int writeNavPoints(List<TOCReference> tocReferences, int playOrder,
		XmlSerializer serializer) throws IllegalArgumentException, IllegalStateException, IOException  {
	for(TOCReference tocReference: tocReferences) {
		if (tocReference.getResource() == null) {
			playOrder = writeNavPoints(tocReference.getChildren(), playOrder, serializer);
			continue;
		}
		writeNavPointStart(tocReference, playOrder, serializer);
		playOrder++;
		if(! tocReference.getChildren().isEmpty()) {
			playOrder = writeNavPoints(tocReference.getChildren(), playOrder, serializer);
		}
		writeNavPointEnd(tocReference, serializer);
	}
	return playOrder;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
/**
 * @return -1 if toc position not found
 */
public int getSpinePositionForTocReference(TOCReference tocReference) {
    List<SpineReference> spineReferences = getBook().getSpine().getSpineReferences();
    for (int i = 0; i < spineReferences.size(); i++) {
        SpineReference spineReference = spineReferences.get(i);
        if (tocReference.getResourceId().equals(spineReference.getResourceId())) {
            return i;
        }
    }
    return -1;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
/**
 * @return -1 if spine position not found
 */
public int getTocPositionForSpinePosition(int spinePosition) {
    List<TOCReference> tocReferences = getBook().getTableOfContents().getTocReferences();
    for (int i = 0; i < tocReferences.size(); i++) {
        TOCReference tocReference = tocReferences.get(i);
        int spinePositionForTocReference = getSpinePositionForTocReference(tocReference);
        if (spinePositionForTocReference == spinePosition) {
            return i;
        }
        if (spinePositionForTocReference > spinePosition) {
            return i - 1;
        }
    }
    return -1;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private void fixMissingResources(Collection<TOCReference> tocReferences, Book book) {
	for (TOCReference tocReference:  tocReferences) {
		if (tocReference.getResource() == null) {
			
		}
	}
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private String getTitle(TOCReference tocReference, Book book, XPath xpath) throws IOException, XPathExpressionException {
	Resource resource = tocReference.getResource();
	if(resource == null) {
		return null;
	}
	InputSource inputSource = new InputSource(resource.getInputStream());
	String title = xpath.evaluate("/html/head/title", inputSource);
	return title;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
public static List<TOCReference> parseHhc(InputStream hhcFile, Resources resources) throws IOException, ParserConfigurationException,	XPathExpressionException {
	HtmlCleaner htmlCleaner = new HtmlCleaner();
	CleanerProperties props = htmlCleaner.getProperties();
	TagNode node = htmlCleaner.clean(hhcFile);
	Document hhcDocument = new DomSerializer(props).createDOM(node);
	XPath xpath = XPathFactory.newInstance().newXPath();
	Node ulNode = (Node) xpath.evaluate("body/ul", hhcDocument
			.getDocumentElement(), XPathConstants.NODE);
	List<TOCReference> sections = processUlNode(ulNode, resources);
	return sections;
}
 

import nl.siegmann.epublib.domain.TOCReference; //导入依赖的package包/类
private static void writeNavPointStart(TOCReference tocReference, int playOrder, XmlSerializer serializer) throws IllegalArgumentException, IllegalStateException, IOException  {
	serializer.startTag(NAMESPACE_NCX, NCXTags.navPoint);
	serializer.attribute(EpubWriter.EMPTY_NAMESPACE_PREFIX, NCXAttributes.id, "navPoint-" + playOrder);
	serializer.attribute(EpubWriter.EMPTY_NAMESPACE_PREFIX, NCXAttributes.playOrder, String.valueOf(playOrder));
	serializer.attribute(EpubWriter.EMPTY_NAMESPACE_PREFIX, NCXAttributes.clazz, NCXAttributeValues.chapter);
	serializer.startTag(NAMESPACE_NCX, NCXTags.navLabel);
	serializer.startTag(NAMESPACE_NCX, NCXTags.text);
	serializer.text(tocReference.getTitle());
	serializer.endTag(NAMESPACE_NCX, NCXTags.text);
	serializer.endTag(NAMESPACE_NCX, NCXTags.navLabel);
	serializer.startTag(NAMESPACE_NCX, NCXTags.content);
	serializer.attribute(EpubWriter.EMPTY_NAMESPACE_PREFIX, NCXAttributes.src, tocReference.getCompleteHref());
	serializer.endTag(NAMESPACE_NCX, NCXTags.content);
}