[nikiroo-utils.git] / output / Epub.java

package be.nikiroo.fanfix.output;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import be.nikiroo.fanfix.Instance;
import be.nikiroo.fanfix.bundles.Config;
import be.nikiroo.fanfix.bundles.StringId;
import be.nikiroo.fanfix.data.Chapter;
import be.nikiroo.fanfix.data.MetaData;
import be.nikiroo.fanfix.data.Paragraph;
import be.nikiroo.fanfix.data.Paragraph.ParagraphType;
import be.nikiroo.fanfix.data.Story;
import be.nikiroo.utils.IOUtils;
import be.nikiroo.utils.StringUtils;

class Epub extends BasicOutput {
	private File tmpDir;
	private BufferedWriter writer;
	private boolean inDialogue = false;
	private boolean inNormal = false;
	private File images;
	private boolean nextParaIsCover = true;

	@Override
	public File process(Story story, File targetDir, String targetName)
			throws IOException {
		String targetNameOrig = targetName;
		targetName += getDefaultExtension(false);

		tmpDir = Instance.getInstance().getTempFiles().createTempDir("fanfic-reader-epub");
		tmpDir.delete();

		if (!tmpDir.mkdir()) {
			throw new IOException(
					"Cannot create a temporary directory: no space left on device?");
		}

		super.process(story, targetDir, targetNameOrig);

		File epub = null;
		try {
			// "Originals"
			File data = new File(tmpDir, "DATA");
			data.mkdir();
			BasicOutput.getOutput(OutputType.TEXT, isWriteInfo(),
					isWriteCover()).process(story, data, targetNameOrig);
			InfoCover.writeInfo(data, targetNameOrig, story.getMeta());
			IOUtils.writeSmallFile(data, "version", "3.0");

			// zip/epub
			epub = new File(targetDir, targetName);
			IOUtils.zip(tmpDir, epub, true);

			OutputStream out = new FileOutputStream(epub);
			try {
				ZipOutputStream zip = new ZipOutputStream(out);
				try {
					// "mimetype" MUST be the first element and not compressed
					zip.setLevel(ZipOutputStream.STORED);
					File mimetype = new File(tmpDir, "mimetype");
					IOUtils.writeSmallFile(tmpDir, "mimetype",
							"application/epub+zip");
					ZipEntry entry = new ZipEntry("mimetype");
					entry.setExtra(new byte[] {});
					zip.putNextEntry(entry);
					FileInputStream in = new FileInputStream(mimetype);
					try {
						IOUtils.write(in, zip);
					} finally {
						in.close();
					}
					IOUtils.deltree(mimetype);
					zip.setLevel(ZipOutputStream.DEFLATED);
					//

					IOUtils.zip(zip, "", tmpDir, true);
				} finally {
					zip.close();
				}
			} finally {
				out.close();
			}
		} finally {
			IOUtils.deltree(tmpDir);
			tmpDir = null;
		}

		return epub;
	}

	@Override
	public String getDefaultExtension(boolean readerTarget) {
		return ".epub";
	}

	@Override
	protected void writeStoryHeader(Story story) throws IOException {
		File ops = new File(tmpDir, "OPS");
		ops.mkdirs();
		File css = new File(ops, "css");
		css.mkdirs();
		images = new File(ops, "images");
		images.mkdirs();
		File metaInf = new File(tmpDir, "META-INF");
		metaInf.mkdirs();

		// META-INF
		String containerContent = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
				+ "<container xmlns=\"urn:oasis:names:tc:opendocument:xmlns:container\" version=\"1.0\">\n"
				+ "\t<rootfiles>\n"
				+ "\t\t<rootfile full-path=\"OPS/epb.opf\" media-type=\"application/oebps-package+xml\"/>\n"
				+ "\t</rootfiles>\n" + "</container>\n";

		IOUtils.writeSmallFile(metaInf, "container.xml", containerContent);

		// OPS/css
		InputStream inStyle = getClass().getResourceAsStream("epub.style.css");
		if (inStyle == null) {
			throw new IOException("Cannot find style.css resource");
		}
		try {
			IOUtils.write(inStyle, new File(css, "style.css"));
		} finally {
			inStyle.close();
		}

		// OPS/images
		if (story.getMeta() != null && story.getMeta().getCover() != null) {
			File file = new File(images, "cover");
			try {
				Instance.getInstance().getCache().saveAsImage(story.getMeta().getCover(), file, true);
			} catch (Exception e) {
				Instance.getInstance().getTraceHandler().error(e);
			}
		}

		// OPS/* except chapters
		IOUtils.writeSmallFile(ops, "epb.ncx", generateNcx(story));
		IOUtils.writeSmallFile(ops, "epb.opf", generateOpf(story));
		IOUtils.writeSmallFile(ops, "title.xhtml", generateTitleXml(story));

		// Resume
		if (story.getMeta() != null && story.getMeta().getResume() != null) {
			writeChapter(story.getMeta().getResume());
		}
	}

	@Override
	protected void writeChapterHeader(Chapter chap) throws IOException {
		String filename = String.format("%s%03d%s", "chapter-",
				chap.getNumber(), ".xhtml");
		writer = new BufferedWriter(new OutputStreamWriter(
				new FileOutputStream(new File(tmpDir + File.separator + "OPS",
						filename)), "UTF-8"));
		inDialogue = false;
		inNormal = false;
		try {
			String title = "Chapter " + chap.getNumber();
			String nameOrNum = Integer.toString(chap.getNumber());
			if (chap.getName() != null && !chap.getName().isEmpty()) {
				title += ": " + chap.getName();
				nameOrNum = chap.getName();
			}

			writer.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
			writer.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
			writer.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\">");
			writer.write("\n<head>");
			writer.write("\n	<title>" + StringUtils.xmlEscape(title)
					+ "</title>");
			writer.write("\n	<link rel='stylesheet' href='css/style.css' type='text/css'/>");
			writer.write("\n</head>");
			writer.write("\n<body>");
			writer.write("\n	<h2>");
			writer.write("\n		<span class='chap'>Chapter <span class='chapnumber'>"
					+ chap.getNumber() + "</span>:</span> ");
			writer.write("\n		<span class='chaptitle'>"
					+ StringUtils.xmlEscape(nameOrNum) + "</span>");
			writer.write("\n	</h2>");
			writer.write("\n	");
			writer.write("\n	<div class='chapter_content'>\n");
		} catch (Exception e) {
			writer.close();
			throw new IOException(e);
		}
	}

	@Override
	protected void writeChapterFooter(Chapter chap) throws IOException {
		try {
			if (inDialogue) {
				writer.write("		</div>\n");
				inDialogue = false;
			}
			if (inNormal) {
				writer.write("		</div>\n");
				inNormal = false;
			}
			writer.write("	</div>\n</body>\n</html>\n");
		} finally {
			writer.close();
			writer = null;
		}
	}

	@Override
	protected void writeParagraphHeader(Paragraph para) throws IOException {
		if (para.getType() == ParagraphType.QUOTE && !inDialogue) {
			writer.write("		<div class='dialogues'>\n");
			inDialogue = true;
		} else if (para.getType() != ParagraphType.QUOTE && inDialogue) {
			writer.write("		</div>\n");
			inDialogue = false;
		}

		if (para.getType() == ParagraphType.NORMAL && !inNormal) {
			writer.write("		<div class='normals'>\n");
			inNormal = true;
		} else if (para.getType() != ParagraphType.NORMAL && inNormal) {
			writer.write("		</div>\n");
			inNormal = false;
		}

		switch (para.getType()) {
		case BLANK:
			writer.write("		<div class='blank'></div>");
			break;
		case BREAK:
			writer.write("		<hr class='break'/>");
			break;
		case NORMAL:
			writer.write("		<span class='normal'>");
			break;
		case QUOTE:
			writer.write("			<div class='dialogue'>&mdash; ");
			break;
		case IMAGE:
			File file = new File(images, getCurrentImageBestName(false));
			Instance.getInstance().getCache().saveAsImage(para.getContentImage(), file, nextParaIsCover);
			writer.write("			<img alt='page image' class='page-image' src='images/"
					+ getCurrentImageBestName(false) + "'/>");
			break;
		}

		nextParaIsCover = false;
	}

	@Override
	protected void writeParagraphFooter(Paragraph para) throws IOException {
		switch (para.getType()) {
		case NORMAL:
			writer.write("</span>\n");
			break;
		case QUOTE:
			writer.write("</div>\n");
			break;
		default:
			writer.write("\n");
			break;
		}
	}

	@Override
	protected void writeTextLine(ParagraphType type, String line)
			throws IOException {
		switch (type) {
		case QUOTE:
		case NORMAL:
			writer.write(decorateText(StringUtils.xmlEscape(line)));
			break;
		default:
			break;
		}
	}

	@Override
	protected String enbold(String word) {
		return "<strong>" + word + "</strong>";
	}

	@Override
	protected String italize(String word) {
		return "<emph>" + word + "</emph>";
	}

	private String generateNcx(Story story) {
		StringBuilder builder = new StringBuilder();

		String title = "";
		String uuid = "";
		String author = "";
		if (story.getMeta() != null) {
			MetaData meta = story.getMeta();
			uuid = meta.getUuid();
			author = meta.getAuthor();
			title = meta.getTitle();
		}

		builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
		builder.append("\n<!DOCTYPE ncx");
		builder.append("\nPUBLIC \"-//NISO//DTD ncx 2005-1//EN\" \"http://www.daisy.org/z3986/2005/ncx-2005-1.dtd\">");
		builder.append("\n<ncx xmlns=\"http://www.daisy.org/z3986/2005/ncx/\" version=\"2005-1\">");
		builder.append("\n	<head>");
		builder.append("\n		<!--The following four metadata items are required for all");
		builder.append("\n		    NCX documents, including those conforming to the relaxed");
		builder.append("\n		    constraints of OPS 2.0-->");
		builder.append("\n		<meta name=\"dtb:uid\" content=\""
				+ StringUtils.xmlEscapeQuote(uuid) + "\"/>");
		builder.append("\n		<meta name=\"dtb:depth\" content=\"1\"/>");
		builder.append("\n		<meta name=\"dtb:totalPageCount\" content=\"0\"/>");
		builder.append("\n		<meta name=\"dtb:maxPageNumber\" content=\"0\"/>");
		builder.append("\n		<meta name=\"epub-creator\" content=\""
				+ StringUtils.xmlEscapeQuote(EPUB_CREATOR) + "\"/>");
		builder.append("\n	</head>");
		builder.append("\n	<docTitle>");
		builder.append("\n		<text>" + StringUtils.xmlEscape(title) + "</text>");
		builder.append("\n	</docTitle>");
		builder.append("\n	<docAuthor>");

		builder.append("\n		<text>" + StringUtils.xmlEscape(author) + "</text>");
		builder.append("\n	</docAuthor>");
		builder.append("\n	<navMap>");
		builder.append("\n		<navPoint id=\"navpoint-1\" playOrder=\"1\">");
		builder.append("\n			<navLabel>");
		builder.append("\n				<text>Title Page</text>");
		builder.append("\n			</navLabel>");
		builder.append("\n			<content src=\"title.xhtml\"/>");
		builder.append("\n		</navPoint>");

		int navPoint = 2; // 1 is above

		if (story.getMeta() != null & story.getMeta().getResume() != null) {
			Chapter chap = story.getMeta().getResume();
			generateNcx(chap, builder, navPoint++);
		}

		for (Chapter chap : story) {
			generateNcx(chap, builder, navPoint++);
		}

		builder.append("\n	</navMap>");
		builder.append("\n</ncx>\n");

		return builder.toString();
	}

	private void generateNcx(Chapter chap, StringBuilder builder, int navPoint) {
		String name;
		if (chap.getName() != null && !chap.getName().isEmpty()) {
			name = Instance.getInstance().getTrans().getString(StringId.CHAPTER_NAMED, chap.getNumber(),
					chap.getName());
		} else {
			name = Instance.getInstance().getTrans().getString(StringId.CHAPTER_UNNAMED, chap.getNumber());
		}

		String nnn = String.format("%03d", (navPoint - 2));

		builder.append("\n		<navPoint id=\"navpoint-" + navPoint
				+ "\" playOrder=\"" + navPoint + "\">");
		builder.append("\n			<navLabel>");
		builder.append("\n				<text>" + name + "</text>");
		builder.append("\n			</navLabel>");
		builder.append("\n			<content src=\"chapter-" + nnn + ".xhtml\"/>");
		builder.append("\n		</navPoint>\n");
	}

	private String generateOpf(Story story) {
		StringBuilder builder = new StringBuilder();

		String title = "";
		String uuid = "";
		String author = "";
		String date = "";
		String publisher = "";
		String subject = "";
		String source = "";
		String lang = "";
		if (story.getMeta() != null) {
			MetaData meta = story.getMeta();
			title = meta.getTitle();
			uuid = meta.getUuid();
			author = meta.getAuthor();
			date = meta.getDate();
			publisher = meta.getPublisher();
			subject = meta.getSubject();
			source = meta.getSource();
			lang = meta.getLang();
		}

		builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
		builder.append("\n<package xmlns=\"http://www.idpf.org/2007/opf\" unique-identifier=\"BookId\" version=\"2.0\">");
		builder.append("\n   <metadata xmlns:opf=\"http://www.idpf.org/2007/opf\"");
		builder.append("\n             xmlns:dc=\"http://purl.org/dc/elements/1.1/\">");
		builder.append("\n      <dc:title>" + StringUtils.xmlEscape(title)
				+ "</dc:title>");
		builder.append("\n      <dc:creator opf:role=\"aut\" opf:file-as=\""
				+ StringUtils.xmlEscapeQuote(author) + "\">"
				+ StringUtils.xmlEscape(author) + "</dc:creator>");
		builder.append("\n      <dc:date opf:event=\"original-publication\">"
				+ StringUtils.xmlEscape(date) + "</dc:date>");
		builder.append("\n      <dc:publisher>"
				+ StringUtils.xmlEscape(publisher) + "</dc:publisher>");
		builder.append("\n      <dc:date opf:event=\"epub-publication\"></dc:date>");
		builder.append("\n      <dc:subject>" + StringUtils.xmlEscape(subject)
				+ "</dc:subject>");
		builder.append("\n      <dc:source>" + StringUtils.xmlEscape(source)
				+ "</dc:source>");
		builder.append("\n      <dc:rights>Not for commercial use.</dc:rights>");
		builder.append("\n      <dc:identifier id=\"BookId\" opf:scheme=\"URI\">"
				+ StringUtils.xmlEscape(uuid) + "</dc:identifier>");
		builder.append("\n      <dc:language>" + StringUtils.xmlEscape(lang)
				+ "</dc:language>");
		builder.append("\n   </metadata>");
		builder.append("\n   <manifest>");
		builder.append("\n      <!-- Content Documents -->");
		builder.append("\n      <item id=\"titlepage\" href=\"title.xhtml\" media-type=\"application/xhtml+xml\"/>");
		for (int i = 0; i <= story.getChapters().size(); i++) {
			String name = String.format("%s%03d", "chapter-", i);
			builder.append("\n      <item id=\""
					+ StringUtils.xmlEscapeQuote(name) + "\" href=\""
					+ StringUtils.xmlEscapeQuote(name)
					+ ".xhtml\" media-type=\"application/xhtml+xml\"/>");
		}

		builder.append("\n      <!-- CSS Style Sheets -->");
		builder.append("\n      <item id=\"style-css\" href=\"css/style.css\" media-type=\"text/css\"/>");

		builder.append("\n      <!-- Images -->");

		if (story.getMeta() != null && story.getMeta().getCover() != null) {
			String format = Instance.getInstance().getConfig()
					.getString(Config.FILE_FORMAT_IMAGE_FORMAT_COVER)
					.toLowerCase();
			builder.append("\n      <item id=\"cover\" href=\"images/cover."
					+ format + "\" media-type=\"image/png\"/>");
		}

		builder.append("\n      <!-- NCX -->");
		builder.append("\n      <item id=\"ncx\" href=\"epb.ncx\" media-type=\"application/x-dtbncx+xml\"/>");
		builder.append("\n   </manifest>");
		builder.append("\n   <spine toc=\"ncx\">");
		builder.append("\n      <itemref idref=\"titlepage\" linear=\"yes\"/>");
		for (int i = 0; i <= story.getChapters().size(); i++) {
			String name = String.format("%s%03d", "chapter-", i);
			builder.append("\n      <itemref idref=\""
					+ StringUtils.xmlEscapeQuote(name) + "\" linear=\"yes\"/>");
		}
		builder.append("\n   </spine>");
		builder.append("\n</package>\n");

		return builder.toString();
	}

	private String generateTitleXml(Story story) {
		StringBuilder builder = new StringBuilder();

		String title = "";
		String tags = "";
		String author = "";
		if (story.getMeta() != null) {
			MetaData meta = story.getMeta();
			title = meta.getTitle();
			if (meta.getTags() != null) {
				for (String tag : meta.getTags()) {
					if (!tags.isEmpty()) {
						tags += ", ";
					}
					tags += tag;
				}

				if (!tags.isEmpty()) {
					tags = "(" + tags + ")";
				}
			}
			author = meta.getAuthor();
		}

		String format = Instance.getInstance().getConfig()
				.getString(Config.FILE_FORMAT_IMAGE_FORMAT_COVER).toLowerCase();

		builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
		builder.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
		builder.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\">");
		builder.append("\n<head>");
		builder.append("\n	<title>" + StringUtils.xmlEscape(title) + "</title>");
		builder.append("\n	<link rel=\"stylesheet\" href=\"css/style.css\" type=\"text/css\"/>");
		builder.append("\n</head>");
		builder.append("\n<body>");
		builder.append("\n	<div class=\"titlepage\">");
		builder.append("\n		<h1>" + StringUtils.xmlEscape(title) + "</h1>");
		builder.append("\n			<div class=\"type\">"
				+ StringUtils.xmlEscape(tags) + "</div>");
		builder.append("\n		<div class=\"cover\">");
		builder.append("\n			<img alt=\"cover image\" src=\"images/cover."
				+ format + "\"></img>");
		builder.append("\n		</div>");
		builder.append("\n		<div class=\"author\">"
				+ StringUtils.xmlEscape(author) + "</div>");
		builder.append("\n	</div>");
		builder.append("\n</body>");
		builder.append("\n</html>\n");

		return builder.toString();
	}
}
Commit	Line	Data
08fe2e33 NR	1	package be.nikiroo.fanfix.output;
08fe2e33 NR	2
3d247bc3	3	import java.io.BufferedWriter;
08fe2e33	4	import java.io.File;
ecfb936e	5	import java.io.FileInputStream;
3d247bc3	6	import java.io.FileOutputStream;
08fe2e33 NR	7	import java.io.IOException;
08fe2e33 NR	8	import java.io.InputStream;
ecfb936e	9	import java.io.OutputStream;
3d247bc3	10	import java.io.OutputStreamWriter;
ecfb936e NR	11	import java.util.zip.ZipEntry;
ecfb936e NR	12	import java.util.zip.ZipOutputStream;
08fe2e33	13
08fe2e33 NR	14	import be.nikiroo.fanfix.Instance;
	15	import be.nikiroo.fanfix.bundles.Config;
	16	import be.nikiroo.fanfix.bundles.StringId;
	17	import be.nikiroo.fanfix.data.Chapter;
	18	import be.nikiroo.fanfix.data.MetaData;
	19	import be.nikiroo.fanfix.data.Paragraph;
08fe2e33	20	import be.nikiroo.fanfix.data.Paragraph.ParagraphType;
3d247bc3	21	import be.nikiroo.fanfix.data.Story;
08fe2e33 NR	22	import be.nikiroo.utils.IOUtils;
	23	import be.nikiroo.utils.StringUtils;
	24
	25	class Epub extends BasicOutput {
	26	private File tmpDir;
3d247bc3	27	private BufferedWriter writer;
08fe2e33 NR	28	private boolean inDialogue = false;
	29	private boolean inNormal = false;
	30	private File images;
16a81ef7	31	private boolean nextParaIsCover = true;
08fe2e33 NR	32
	33	@Override
	34	public File process(Story story, File targetDir, String targetName)
	35	throws IOException {
	36	String targetNameOrig = targetName;
10d558d2	37	targetName += getDefaultExtension(false);
08fe2e33	38
d66deb8d	39	tmpDir = Instance.getInstance().getTempFiles().createTempDir("fanfic-reader-epub");
08fe2e33 NR	40	tmpDir.delete();
	41
	42	if (!tmpDir.mkdir()) {
	43	throw new IOException(
	44	"Cannot create a temporary directory: no space left on device?");
	45	}
	46
276f95c6 NR	47	super.process(story, targetDir, targetNameOrig);
276f95c6 NR	48
2aac79c7	49	File epub = null;
ecfb936e	50	try {
2aac79c7 NR	51	// "Originals"
	52	File data = new File(tmpDir, "DATA");
	53	data.mkdir();
	54	BasicOutput.getOutput(OutputType.TEXT, isWriteInfo(),
	55	isWriteCover()).process(story, data, targetNameOrig);
	56	InfoCover.writeInfo(data, targetNameOrig, story.getMeta());
	57	IOUtils.writeSmallFile(data, "version", "3.0");
	58
	59	// zip/epub
	60	epub = new File(targetDir, targetName);
	61	IOUtils.zip(tmpDir, epub, true);
	62
	63	OutputStream out = new FileOutputStream(epub);
ecfb936e	64	try {
2aac79c7	65	ZipOutputStream zip = new ZipOutputStream(out);
ecfb936e	66	try {
2aac79c7 NR	67	// "mimetype" MUST be the first element and not compressed
	68	zip.setLevel(ZipOutputStream.STORED);
	69	File mimetype = new File(tmpDir, "mimetype");
	70	IOUtils.writeSmallFile(tmpDir, "mimetype",
	71	"application/epub+zip");
	72	ZipEntry entry = new ZipEntry("mimetype");
	73	entry.setExtra(new byte[] {});
	74	zip.putNextEntry(entry);
	75	FileInputStream in = new FileInputStream(mimetype);
	76	try {
	77	IOUtils.write(in, zip);
	78	} finally {
	79	in.close();
	80	}
	81	IOUtils.deltree(mimetype);
	82	zip.setLevel(ZipOutputStream.DEFLATED);
	83	//
	84
	85	IOUtils.zip(zip, "", tmpDir, true);
ecfb936e	86	} finally {
2aac79c7	87	zip.close();
ecfb936e	88	}
ecfb936e	89	} finally {
2aac79c7	90	out.close();
ecfb936e NR	91	}
ecfb936e NR	92	} finally {
2aac79c7 NR	93	IOUtils.deltree(tmpDir);
2aac79c7 NR	94	tmpDir = null;
ecfb936e NR	95	}
ecfb936e NR	96
08fe2e33 NR	97	return epub;
	98	}
	99
	100	@Override
10d558d2	101	public String getDefaultExtension(boolean readerTarget) {
08fe2e33 NR	102	return ".epub";
	103	}
	104
	105	@Override
	106	protected void writeStoryHeader(Story story) throws IOException {
	107	File ops = new File(tmpDir, "OPS");
	108	ops.mkdirs();
	109	File css = new File(ops, "css");
	110	css.mkdirs();
	111	images = new File(ops, "images");
	112	images.mkdirs();
	113	File metaInf = new File(tmpDir, "META-INF");
	114	metaInf.mkdirs();
	115
08fe2e33	116	// META-INF
ecfb936e	117	String containerContent = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
08fe2e33 NR	118	+ "<container xmlns=\"urn:oasis:names:tc:opendocument:xmlns:container\" version=\"1.0\">\n"
	119	+ "\t<rootfiles>\n"
	120	+ "\t\t<rootfile full-path=\"OPS/epb.opf\" media-type=\"application/oebps-package+xml\"/>\n"
	121	+ "\t</rootfiles>\n" + "</container>\n";
	122
	123	IOUtils.writeSmallFile(metaInf, "container.xml", containerContent);
	124
	125	// OPS/css
	126	InputStream inStyle = getClass().getResourceAsStream("epub.style.css");
	127	if (inStyle == null) {
	128	throw new IOException("Cannot find style.css resource");
	129	}
	130	try {
	131	IOUtils.write(inStyle, new File(css, "style.css"));
	132	} finally {
	133	inStyle.close();
	134	}
	135
	136	// OPS/images
	137	if (story.getMeta() != null && story.getMeta().getCover() != null) {
ecfb936e	138	File file = new File(images, "cover");
43c75fb7	139	try {
d66deb8d	140	Instance.getInstance().getCache().saveAsImage(story.getMeta().getCover(), file, true);
43c75fb7	141	} catch (Exception e) {
d66deb8d	142	Instance.getInstance().getTraceHandler().error(e);
43c75fb7	143	}
08fe2e33 NR	144	}
	145
	146	// OPS/* except chapters
	147	IOUtils.writeSmallFile(ops, "epb.ncx", generateNcx(story));
	148	IOUtils.writeSmallFile(ops, "epb.opf", generateOpf(story));
ecfb936e	149	IOUtils.writeSmallFile(ops, "title.xhtml", generateTitleXml(story));
08fe2e33 NR	150
	151	// Resume
	152	if (story.getMeta() != null && story.getMeta().getResume() != null) {
	153	writeChapter(story.getMeta().getResume());
	154	}
	155	}
	156
	157	@Override
	158	protected void writeChapterHeader(Chapter chap) throws IOException {
	159	String filename = String.format("%s%03d%s", "chapter-",
ecfb936e	160	chap.getNumber(), ".xhtml");
3d247bc3 NR	161	writer = new BufferedWriter(new OutputStreamWriter(
	162	new FileOutputStream(new File(tmpDir + File.separator + "OPS",
	163	filename)), "UTF-8"));
08fe2e33 NR	164	inDialogue = false;
	165	inNormal = false;
	166	try {
	167	String title = "Chapter " + chap.getNumber();
	168	String nameOrNum = Integer.toString(chap.getNumber());
	169	if (chap.getName() != null && !chap.getName().isEmpty()) {
	170	title += ": " + chap.getName();
	171	nameOrNum = chap.getName();
	172	}
	173
ecfb936e NR	174	writer.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
	175	writer.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
	176	writer.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\">");
08fe2e33 NR	177	writer.write("\n<head>");
	178	writer.write("\n <title>" + StringUtils.xmlEscape(title)
	179	+ "</title>");
	180	writer.write("\n <link rel='stylesheet' href='css/style.css' type='text/css'/>");
	181	writer.write("\n</head>");
	182	writer.write("\n<body>");
	183	writer.write("\n <h2>");
	184	writer.write("\n <span class='chap'>Chapter <span class='chapnumber'>"
	185	+ chap.getNumber() + "</span>:</span> ");
	186	writer.write("\n <span class='chaptitle'>"
	187	+ StringUtils.xmlEscape(nameOrNum) + "</span>");
	188	writer.write("\n </h2>");
	189	writer.write("\n ");
	190	writer.write("\n <div class='chapter_content'>\n");
	191	} catch (Exception e) {
	192	writer.close();
	193	throw new IOException(e);
	194	}
	195	}
	196
	197	@Override
	198	protected void writeChapterFooter(Chapter chap) throws IOException {
	199	try {
	200	if (inDialogue) {
	201	writer.write(" </div>\n");
	202	inDialogue = false;
	203	}
	204	if (inNormal) {
	205	writer.write(" </div>\n");
	206	inNormal = false;
	207	}
	208	writer.write(" </div>\n</body>\n</html>\n");
	209	} finally {
	210	writer.close();
	211	writer = null;
	212	}
	213	}
	214
	215	@Override
	216	protected void writeParagraphHeader(Paragraph para) throws IOException {
	217	if (para.getType() == ParagraphType.QUOTE && !inDialogue) {
	218	writer.write(" <div class='dialogues'>\n");
	219	inDialogue = true;
	220	} else if (para.getType() != ParagraphType.QUOTE && inDialogue) {
	221	writer.write(" </div>\n");
	222	inDialogue = false;
	223	}
	224
	225	if (para.getType() == ParagraphType.NORMAL && !inNormal) {
	226	writer.write(" <div class='normals'>\n");
	227	inNormal = true;
	228	} else if (para.getType() != ParagraphType.NORMAL && inNormal) {
	229	writer.write(" </div>\n");
	230	inNormal = false;
	231	}
	232
	233	switch (para.getType()) {
	234	case BLANK:
	235	writer.write(" <div class='blank'></div>");
	236	break;
	237	case BREAK:
f977d05b	238	writer.write(" <hr class='break'/>");
08fe2e33 NR	239	break;
	240	case NORMAL:
	241	writer.write(" <span class='normal'>");
	242	break;
	243	case QUOTE:
	244	writer.write(" <div class='dialogue'>— ");
	245	break;
	246	case IMAGE:
	247	File file = new File(images, getCurrentImageBestName(false));
d66deb8d	248	Instance.getInstance().getCache().saveAsImage(para.getContentImage(), file, nextParaIsCover);
ecfb936e	249	writer.write(" <img alt='page image' class='page-image' src='images/"
08fe2e33 NR	250	+ getCurrentImageBestName(false) + "'/>");
	251	break;
	252	}
16a81ef7 NR	253
16a81ef7 NR	254	nextParaIsCover = false;
08fe2e33 NR	255	}
	256
	257	@Override
	258	protected void writeParagraphFooter(Paragraph para) throws IOException {
	259	switch (para.getType()) {
	260	case NORMAL:
	261	writer.write("</span>\n");
	262	break;
	263	case QUOTE:
	264	writer.write("</div>\n");
	265	break;
	266	default:
	267	writer.write("\n");
	268	break;
	269	}
	270	}
	271
	272	@Override
	273	protected void writeTextLine(ParagraphType type, String line)
	274	throws IOException {
	275	switch (type) {
	276	case QUOTE:
	277	case NORMAL:
	278	writer.write(decorateText(StringUtils.xmlEscape(line)));
	279	break;
	280	default:
	281	break;
	282	}
	283	}
	284
	285	@Override
	286	protected String enbold(String word) {
	287	return "<strong>" + word + "</strong>";
	288	}
	289
	290	@Override
	291	protected String italize(String word) {
	292	return "<emph>" + word + "</emph>";
	293	}
	294
	295	private String generateNcx(Story story) {
	296	StringBuilder builder = new StringBuilder();
	297
	298	String title = "";
	299	String uuid = "";
	300	String author = "";
	301	if (story.getMeta() != null) {
	302	MetaData meta = story.getMeta();
	303	uuid = meta.getUuid();
	304	author = meta.getAuthor();
	305	title = meta.getTitle();
	306	}
	307
ecfb936e	308	builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
08fe2e33 NR	309	builder.append("\n<!DOCTYPE ncx");
	310	builder.append("\nPUBLIC \"-//NISO//DTD ncx 2005-1//EN\" \"http://www.daisy.org/z3986/2005/ncx-2005-1.dtd\">");
	311	builder.append("\n<ncx xmlns=\"http://www.daisy.org/z3986/2005/ncx/\" version=\"2005-1\">");
	312	builder.append("\n <head>");
	313	builder.append("\n <!--The following four metadata items are required for all");
	314	builder.append("\n NCX documents, including those conforming to the relaxed");
	315	builder.append("\n constraints of OPS 2.0-->");
	316	builder.append("\n <meta name=\"dtb:uid\" content=\""
	317	+ StringUtils.xmlEscapeQuote(uuid) + "\"/>");
	318	builder.append("\n <meta name=\"dtb:depth\" content=\"1\"/>");
	319	builder.append("\n <meta name=\"dtb:totalPageCount\" content=\"0\"/>");
	320	builder.append("\n <meta name=\"dtb:maxPageNumber\" content=\"0\"/>");
	321	builder.append("\n <meta name=\"epub-creator\" content=\""
	322	+ StringUtils.xmlEscapeQuote(EPUB_CREATOR) + "\"/>");
	323	builder.append("\n </head>");
	324	builder.append("\n <docTitle>");
	325	builder.append("\n <text>" + StringUtils.xmlEscape(title) + "</text>");
	326	builder.append("\n </docTitle>");
	327	builder.append("\n <docAuthor>");
	328
	329	builder.append("\n <text>" + StringUtils.xmlEscape(author) + "</text>");
	330	builder.append("\n </docAuthor>");
	331	builder.append("\n <navMap>");
	332	builder.append("\n <navPoint id=\"navpoint-1\" playOrder=\"1\">");
	333	builder.append("\n <navLabel>");
	334	builder.append("\n <text>Title Page</text>");
	335	builder.append("\n </navLabel>");
ecfb936e	336	builder.append("\n <content src=\"title.xhtml\"/>");
08fe2e33 NR	337	builder.append("\n </navPoint>");
	338
	339	int navPoint = 2; // 1 is above
	340
	341	if (story.getMeta() != null & story.getMeta().getResume() != null) {
	342	Chapter chap = story.getMeta().getResume();
	343	generateNcx(chap, builder, navPoint++);
	344	}
	345
	346	for (Chapter chap : story) {
	347	generateNcx(chap, builder, navPoint++);
	348	}
	349
	350	builder.append("\n </navMap>");
	351	builder.append("\n</ncx>\n");
	352
	353	return builder.toString();
	354	}
	355
	356	private void generateNcx(Chapter chap, StringBuilder builder, int navPoint) {
	357	String name;
	358	if (chap.getName() != null && !chap.getName().isEmpty()) {
d66deb8d NR	359	name = Instance.getInstance().getTrans().getString(StringId.CHAPTER_NAMED, chap.getNumber(),
d66deb8d NR	360	chap.getName());
08fe2e33	361	} else {
d66deb8d	362	name = Instance.getInstance().getTrans().getString(StringId.CHAPTER_UNNAMED, chap.getNumber());
08fe2e33 NR	363	}
	364
	365	String nnn = String.format("%03d", (navPoint - 2));
	366
	367	builder.append("\n <navPoint id=\"navpoint-" + navPoint
	368	+ "\" playOrder=\"" + navPoint + "\">");
	369	builder.append("\n <navLabel>");
	370	builder.append("\n <text>" + name + "</text>");
	371	builder.append("\n </navLabel>");
ecfb936e	372	builder.append("\n <content src=\"chapter-" + nnn + ".xhtml\"/>");
08fe2e33 NR	373	builder.append("\n </navPoint>\n");
	374	}
	375
	376	private String generateOpf(Story story) {
	377	StringBuilder builder = new StringBuilder();
	378
	379	String title = "";
	380	String uuid = "";
	381	String author = "";
	382	String date = "";
	383	String publisher = "";
	384	String subject = "";
	385	String source = "";
	386	String lang = "";
	387	if (story.getMeta() != null) {
	388	MetaData meta = story.getMeta();
	389	title = meta.getTitle();
	390	uuid = meta.getUuid();
	391	author = meta.getAuthor();
	392	date = meta.getDate();
	393	publisher = meta.getPublisher();
	394	subject = meta.getSubject();
	395	source = meta.getSource();
	396	lang = meta.getLang();
	397	}
	398
ecfb936e NR	399	builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
ecfb936e NR	400	builder.append("\n<package xmlns=\"http://www.idpf.org/2007/opf\" unique-identifier=\"BookId\" version=\"2.0\">");
08fe2e33 NR	401	builder.append("\n <metadata xmlns:opf=\"http://www.idpf.org/2007/opf\"");
	402	builder.append("\n xmlns:dc=\"http://purl.org/dc/elements/1.1/\">");
	403	builder.append("\n <dc:title>" + StringUtils.xmlEscape(title)
	404	+ "</dc:title>");
	405	builder.append("\n <dc:creator opf:role=\"aut\" opf:file-as=\""
	406	+ StringUtils.xmlEscapeQuote(author) + "\">"
	407	+ StringUtils.xmlEscape(author) + "</dc:creator>");
	408	builder.append("\n <dc:date opf:event=\"original-publication\">"
	409	+ StringUtils.xmlEscape(date) + "</dc:date>");
	410	builder.append("\n <dc:publisher>"
	411	+ StringUtils.xmlEscape(publisher) + "</dc:publisher>");
	412	builder.append("\n <dc:date opf:event=\"epub-publication\"></dc:date>");
	413	builder.append("\n <dc:subject>" + StringUtils.xmlEscape(subject)
	414	+ "</dc:subject>");
	415	builder.append("\n <dc:source>" + StringUtils.xmlEscape(source)
	416	+ "</dc:source>");
	417	builder.append("\n <dc:rights>Not for commercial use.</dc:rights>");
ecfb936e	418	builder.append("\n <dc:identifier id=\"BookId\" opf:scheme=\"URI\">"
08fe2e33 NR	419	+ StringUtils.xmlEscape(uuid) + "</dc:identifier>");
	420	builder.append("\n <dc:language>" + StringUtils.xmlEscape(lang)
	421	+ "</dc:language>");
	422	builder.append("\n </metadata>");
	423	builder.append("\n <manifest>");
	424	builder.append("\n <!-- Content Documents -->");
ecfb936e	425	builder.append("\n <item id=\"titlepage\" href=\"title.xhtml\" media-type=\"application/xhtml+xml\"/>");
08fe2e33 NR	426	for (int i = 0; i <= story.getChapters().size(); i++) {
	427	String name = String.format("%s%03d", "chapter-", i);
	428	builder.append("\n <item id=\""
	429	+ StringUtils.xmlEscapeQuote(name) + "\" href=\""
	430	+ StringUtils.xmlEscapeQuote(name)
ecfb936e	431	+ ".xhtml\" media-type=\"application/xhtml+xml\"/>");
08fe2e33 NR	432	}
	433
	434	builder.append("\n <!-- CSS Style Sheets -->");
	435	builder.append("\n <item id=\"style-css\" href=\"css/style.css\" media-type=\"text/css\"/>");
	436
	437	builder.append("\n <!-- Images -->");
	438
	439	if (story.getMeta() != null && story.getMeta().getCover() != null) {
d66deb8d	440	String format = Instance.getInstance().getConfig()
43c75fb7 NR	441	.getString(Config.FILE_FORMAT_IMAGE_FORMAT_COVER)
43c75fb7 NR	442	.toLowerCase();
08fe2e33 NR	443	builder.append("\n <item id=\"cover\" href=\"images/cover."
	444	+ format + "\" media-type=\"image/png\"/>");
	445	}
	446
	447	builder.append("\n <!-- NCX -->");
	448	builder.append("\n <item id=\"ncx\" href=\"epb.ncx\" media-type=\"application/x-dtbncx+xml\"/>");
	449	builder.append("\n </manifest>");
	450	builder.append("\n <spine toc=\"ncx\">");
	451	builder.append("\n <itemref idref=\"titlepage\" linear=\"yes\"/>");
	452	for (int i = 0; i <= story.getChapters().size(); i++) {
	453	String name = String.format("%s%03d", "chapter-", i);
	454	builder.append("\n <itemref idref=\""
	455	+ StringUtils.xmlEscapeQuote(name) + "\" linear=\"yes\"/>");
	456	}
	457	builder.append("\n </spine>");
	458	builder.append("\n</package>\n");
	459
	460	return builder.toString();
	461	}
	462
	463	private String generateTitleXml(Story story) {
	464	StringBuilder builder = new StringBuilder();
	465
	466	String title = "";
	467	String tags = "";
	468	String author = "";
	469	if (story.getMeta() != null) {
	470	MetaData meta = story.getMeta();
	471	title = meta.getTitle();
	472	if (meta.getTags() != null) {
	473	for (String tag : meta.getTags()) {
	474	if (!tags.isEmpty()) {
	475	tags += ", ";
	476	}
	477	tags += tag;
	478	}
	479
	480	if (!tags.isEmpty()) {
	481	tags = "(" + tags + ")";
	482	}
	483	}
	484	author = meta.getAuthor();
	485	}
	486
d66deb8d	487	String format = Instance.getInstance().getConfig()
13fdb89a	488	.getString(Config.FILE_FORMAT_IMAGE_FORMAT_COVER).toLowerCase();
08fe2e33	489
ecfb936e NR	490	builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
	491	builder.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
	492	builder.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\">");
08fe2e33 NR	493	builder.append("\n<head>");
	494	builder.append("\n <title>" + StringUtils.xmlEscape(title) + "</title>");
	495	builder.append("\n <link rel=\"stylesheet\" href=\"css/style.css\" type=\"text/css\"/>");
	496	builder.append("\n</head>");
	497	builder.append("\n<body>");
	498	builder.append("\n <div class=\"titlepage\">");
	499	builder.append("\n <h1>" + StringUtils.xmlEscape(title) + "</h1>");
	500	builder.append("\n <div class=\"type\">"
	501	+ StringUtils.xmlEscape(tags) + "</div>");
	502	builder.append("\n <div class=\"cover\">");
ecfb936e NR	503	builder.append("\n <img alt=\"cover image\" src=\"images/cover."
ecfb936e NR	504	+ format + "\"></img>");
08fe2e33 NR	505	builder.append("\n </div>");
	506	builder.append("\n <div class=\"author\">"
	507	+ StringUtils.xmlEscape(author) + "</div>");
	508	builder.append("\n </div>");
	509	builder.append("\n</body>");
	510	builder.append("\n</html>\n");
	511
	512	return builder.toString();
	513	}
	514	}