[fanfix.git] / src / be / nikiroo / fanfix / output / Epub.java

package be.nikiroo.fanfix.output;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import javax.imageio.ImageIO;

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.Story;
import be.nikiroo.fanfix.data.Paragraph.ParagraphType;
import be.nikiroo.utils.IOUtils;
import be.nikiroo.utils.StringUtils;

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

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

		tmpDir = File.createTempFile("fanfic-reader-epub_", ".wip");
		tmpDir.delete();

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

		// "Originals"
		File data = new File(tmpDir, "DATA");
		data.mkdir();
		new InfoText().process(story, data, targetNameOrig);
		IOUtils.writeSmallFile(data, "version", "3.0");

		super.process(story, targetDir, targetNameOrig);

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

		return epub;
	}

	@Override
	public String getDefaultExtension() {
		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();

		// "root"
		IOUtils.writeSmallFile(tmpDir, "mimetype", "application/epub+zip");

		// 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) {
			String format = Instance.getConfig()
					.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();
			File file = new File(images, "cover." + format);
			ImageIO.write(story.getMeta().getCover(), format, file);
		}

		// OPS/* except chapters
		IOUtils.writeSmallFile(ops, "epb.ncx", generateNcx(story));
		IOUtils.writeSmallFile(ops, "epb.opf", generateOpf(story));
		IOUtils.writeSmallFile(ops, "title.xml", 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(), ".xml");
		writer = new FileWriter(new File(tmpDir + "/OPS", filename));
		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.write("<?xml version='1.0' encoding='UTF-8'?>");
			writer.write("\n<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>");
			writer.write("\n<html xmlns='http://www.w3.org/1999/xhtml' lang='en' xml:lang='en'>");
			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/>");
			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.getCache().saveAsImage(new URL(para.getContent()), file);
			writer.write("			<img class='page-image' src='images/"
					+ getCurrentImageBestName(false) + "'/>");
			break;
		}
	}

	@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.xml\"/>");
		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.getTrans().getString(StringId.CHAPTER_NAMED,
					chap.getNumber(), chap.getName());
		} else {
			name = Instance.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 + ".xml\"/>");
		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=\""
				+ uuid + "\" 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=\"id\" 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.xml\" 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)
					+ ".xml\" 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.getConfig()
					.getString(Config.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.getConfig()
				.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();

		builder.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
		builder.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd \">");
		builder.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\" xml:lang=\"en\">");
		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 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;
	2
	3	import java.io.File;
	4	import java.io.FileWriter;
	5	import java.io.IOException;
	6	import java.io.InputStream;
	7	import java.net.URL;
	8
	9	import javax.imageio.ImageIO;
	10
	11	import be.nikiroo.fanfix.Instance;
	12	import be.nikiroo.fanfix.bundles.Config;
	13	import be.nikiroo.fanfix.bundles.StringId;
	14	import be.nikiroo.fanfix.data.Chapter;
	15	import be.nikiroo.fanfix.data.MetaData;
	16	import be.nikiroo.fanfix.data.Paragraph;
	17	import be.nikiroo.fanfix.data.Story;
	18	import be.nikiroo.fanfix.data.Paragraph.ParagraphType;
	19	import be.nikiroo.utils.IOUtils;
	20	import be.nikiroo.utils.StringUtils;
	21
	22	class Epub extends BasicOutput {
	23	private File tmpDir;
	24	private FileWriter writer;
	25	private boolean inDialogue = false;
	26	private boolean inNormal = false;
	27	private File images;
	28
	29	@Override
	30	public File process(Story story, File targetDir, String targetName)
	31	throws IOException {
	32	String targetNameOrig = targetName;
	33	targetName += getDefaultExtension();
	34
	35	tmpDir = File.createTempFile("fanfic-reader-epub_", ".wip");
	36	tmpDir.delete();
	37
	38	if (!tmpDir.mkdir()) {
	39	throw new IOException(
	40	"Cannot create a temporary directory: no space left on device?");
	41	}
	42
	43	// "Originals"
	44	File data = new File(tmpDir, "DATA");
	45	data.mkdir();
	46	new InfoText().process(story, data, targetNameOrig);
	47	IOUtils.writeSmallFile(data, "version", "3.0");
	48
	49	super.process(story, targetDir, targetNameOrig);
	50
	51	// zip/epub
	52	File epub = new File(targetDir, targetName);
	53	IOUtils.zip(tmpDir, epub, true);
	54	IOUtils.deltree(tmpDir);
	55	tmpDir = null;
	56
	57	return epub;
	58	}
	59
	60	@Override
2206ef66	61	public String getDefaultExtension() {
08fe2e33 NR	62	return ".epub";
	63	}
	64
	65	@Override
	66	protected void writeStoryHeader(Story story) throws IOException {
	67	File ops = new File(tmpDir, "OPS");
	68	ops.mkdirs();
	69	File css = new File(ops, "css");
	70	css.mkdirs();
	71	images = new File(ops, "images");
	72	images.mkdirs();
	73	File metaInf = new File(tmpDir, "META-INF");
	74	metaInf.mkdirs();
	75
	76	// "root"
	77	IOUtils.writeSmallFile(tmpDir, "mimetype", "application/epub+zip");
	78
	79	// META-INF
	80	String containerContent = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
	81	+ "<container xmlns=\"urn:oasis:names:tc:opendocument:xmlns:container\" version=\"1.0\">\n"
	82	+ "\t<rootfiles>\n"
	83	+ "\t\t<rootfile full-path=\"OPS/epb.opf\" media-type=\"application/oebps-package+xml\"/>\n"
	84	+ "\t</rootfiles>\n" + "</container>\n";
	85
	86	IOUtils.writeSmallFile(metaInf, "container.xml", containerContent);
	87
	88	// OPS/css
	89	InputStream inStyle = getClass().getResourceAsStream("epub.style.css");
	90	if (inStyle == null) {
	91	throw new IOException("Cannot find style.css resource");
	92	}
	93	try {
	94	IOUtils.write(inStyle, new File(css, "style.css"));
	95	} finally {
	96	inStyle.close();
	97	}
	98
	99	// OPS/images
	100	if (story.getMeta() != null && story.getMeta().getCover() != null) {
	101	String format = Instance.getConfig()
	102	.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();
	103	File file = new File(images, "cover." + format);
	104	ImageIO.write(story.getMeta().getCover(), format, file);
	105	}
	106
	107	// OPS/* except chapters
	108	IOUtils.writeSmallFile(ops, "epb.ncx", generateNcx(story));
	109	IOUtils.writeSmallFile(ops, "epb.opf", generateOpf(story));
	110	IOUtils.writeSmallFile(ops, "title.xml", generateTitleXml(story));
	111
	112	// Resume
	113	if (story.getMeta() != null && story.getMeta().getResume() != null) {
	114	writeChapter(story.getMeta().getResume());
	115	}
	116	}
	117
	118	@Override
	119	protected void writeChapterHeader(Chapter chap) throws IOException {
	120	String filename = String.format("%s%03d%s", "chapter-",
	121	chap.getNumber(), ".xml");
	122	writer = new FileWriter(new File(tmpDir + "/OPS", filename));
	123	inDialogue = false;
	124	inNormal = false;
	125	try {
126	String title = "Chapter " + chap.getNumber();
127	String nameOrNum = Integer.toString(chap.getNumber());
128	if (chap.getName() != null && !chap.getName().isEmpty()) {
129	title += ": " + chap.getName();
130	nameOrNum = chap.getName();
131	}
132
133	writer.write("<?xml version='1.0' encoding='UTF-8'?>");
134	writer.write("\n<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'>");
135	writer.write("\n<html xmlns='http://www.w3.org/1999/xhtml' lang='en' xml:lang='en'>");
136	writer.write("\n<head>");
137	writer.write("\n <title>" + StringUtils.xmlEscape(title)
138	+ "</title>");
139	writer.write("\n <link rel='stylesheet' href='css/style.css' type='text/css'/>");
140	writer.write("\n</head>");
141	writer.write("\n<body>");
142	writer.write("\n <h2>");
143	writer.write("\n <span class='chap'>Chapter <span class='chapnumber'>"
144	+ chap.getNumber() + "</span>:</span> ");
145	writer.write("\n <span class='chaptitle'>"
146	+ StringUtils.xmlEscape(nameOrNum) + "</span>");
147	writer.write("\n </h2>");
148	writer.write("\n ");
149	writer.write("\n <div class='chapter_content'>\n");
150	} catch (Exception e) {
151	writer.close();
152	throw new IOException(e);
153	}
154	}
155
156	@Override
157	protected void writeChapterFooter(Chapter chap) throws IOException {
158	try {
159	if (inDialogue) {
160	writer.write(" </div>\n");
161	inDialogue = false;
162	}
163	if (inNormal) {
164	writer.write(" </div>\n");
165	inNormal = false;
166	}
167	writer.write(" </div>\n</body>\n</html>\n");
168	} finally {
169	writer.close();
170	writer = null;
171	}
172	}
173
174	@Override
175	protected void writeParagraphHeader(Paragraph para) throws IOException {
176	if (para.getType() == ParagraphType.QUOTE && !inDialogue) {
177	writer.write(" <div class='dialogues'>\n");
178	inDialogue = true;
179	} else if (para.getType() != ParagraphType.QUOTE && inDialogue) {
180	writer.write(" </div>\n");
181	inDialogue = false;
182	}
183
184	if (para.getType() == ParagraphType.NORMAL && !inNormal) {
185	writer.write(" <div class='normals'>\n");
186	inNormal = true;
187	} else if (para.getType() != ParagraphType.NORMAL && inNormal) {
188	writer.write(" </div>\n");
189	inNormal = false;
190	}
191
192	switch (para.getType()) {
193	case BLANK:
194	writer.write(" <div class='blank'></div>");
195	break;
196	case BREAK:
197	writer.write(" <hr/>");
198	break;
199	case NORMAL:
200	writer.write(" <span class='normal'>");
201	break;
202	case QUOTE:
203	writer.write(" <div class='dialogue'>— ");
204	break;
205	case IMAGE:
206	File file = new File(images, getCurrentImageBestName(false));
207	Instance.getCache().saveAsImage(new URL(para.getContent()), file);
208	writer.write(" <img class='page-image' src='images/"
209	+ getCurrentImageBestName(false) + "'/>");
210	break;
211	}
212	}
213
214	@Override
215	protected void writeParagraphFooter(Paragraph para) throws IOException {
216	switch (para.getType()) {
217	case NORMAL:
218	writer.write("</span>\n");
219	break;
220	case QUOTE:
221	writer.write("</div>\n");
222	break;
223	default:
224	writer.write("\n");
225	break;
226	}
227	}
228
229	@Override
230	protected void writeTextLine(ParagraphType type, String line)
231	throws IOException {
232	switch (type) {
233	case QUOTE:
234	case NORMAL:
235	writer.write(decorateText(StringUtils.xmlEscape(line)));
236	break;
237	default:
238	break;
239	}
240	}
241
242	@Override
243	protected String enbold(String word) {
244	return "<strong>" + word + "</strong>";
245	}
246
247	@Override
248	protected String italize(String word) {
249	return "<emph>" + word + "</emph>";
250	}
251
252	private String generateNcx(Story story) {
253	StringBuilder builder = new StringBuilder();
254
255	String title = "";
256	String uuid = "";
257	String author = "";
258	if (story.getMeta() != null) {
259	MetaData meta = story.getMeta();
260	uuid = meta.getUuid();
261	author = meta.getAuthor();
262	title = meta.getTitle();
263	}
264
265	builder.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
266	builder.append("\n<!DOCTYPE ncx");
267	builder.append("\nPUBLIC \"-//NISO//DTD ncx 2005-1//EN\" \"http://www.daisy.org/z3986/2005/ncx-2005-1.dtd\">");
268	builder.append("\n<ncx xmlns=\"http://www.daisy.org/z3986/2005/ncx/\" version=\"2005-1\">");
269	builder.append("\n <head>");
270	builder.append("\n <!--The following four metadata items are required for all");
271	builder.append("\n NCX documents, including those conforming to the relaxed");
272	builder.append("\n constraints of OPS 2.0-->");
273	builder.append("\n <meta name=\"dtb:uid\" content=\""
274	+ StringUtils.xmlEscapeQuote(uuid) + "\"/>");
275	builder.append("\n <meta name=\"dtb:depth\" content=\"1\"/>");
276	builder.append("\n <meta name=\"dtb:totalPageCount\" content=\"0\"/>");
277	builder.append("\n <meta name=\"dtb:maxPageNumber\" content=\"0\"/>");
278	builder.append("\n <meta name=\"epub-creator\" content=\""
279	+ StringUtils.xmlEscapeQuote(EPUB_CREATOR) + "\"/>");
280	builder.append("\n </head>");
281	builder.append("\n <docTitle>");
282	builder.append("\n <text>" + StringUtils.xmlEscape(title) + "</text>");
283	builder.append("\n </docTitle>");
284	builder.append("\n <docAuthor>");
285
286	builder.append("\n <text>" + StringUtils.xmlEscape(author) + "</text>");
287	builder.append("\n </docAuthor>");
288	builder.append("\n <navMap>");
289	builder.append("\n <navPoint id=\"navpoint-1\" playOrder=\"1\">");
290	builder.append("\n <navLabel>");
291	builder.append("\n <text>Title Page</text>");
292	builder.append("\n </navLabel>");
293	builder.append("\n <content src=\"title.xml\"/>");
294	builder.append("\n </navPoint>");
295
296	int navPoint = 2; // 1 is above
297
298	if (story.getMeta() != null & story.getMeta().getResume() != null) {
299	Chapter chap = story.getMeta().getResume();
300	generateNcx(chap, builder, navPoint++);
301	}
302
303	for (Chapter chap : story) {
304	generateNcx(chap, builder, navPoint++);
305	}
306
307	builder.append("\n </navMap>");
308	builder.append("\n</ncx>\n");
309
310	return builder.toString();
311	}
312
313	private void generateNcx(Chapter chap, StringBuilder builder, int navPoint) {
314	String name;
315	if (chap.getName() != null && !chap.getName().isEmpty()) {
316	name = Instance.getTrans().getString(StringId.CHAPTER_NAMED,
317	chap.getNumber(), chap.getName());
318	} else {
319	name = Instance.getTrans().getString(StringId.CHAPTER_UNNAMED,
320	chap.getNumber());
321	}
322
323	String nnn = String.format("%03d", (navPoint - 2));
324
325	builder.append("\n <navPoint id=\"navpoint-" + navPoint
326	+ "\" playOrder=\"" + navPoint + "\">");
327	builder.append("\n <navLabel>");
328	builder.append("\n <text>" + name + "</text>");
329	builder.append("\n </navLabel>");
330	builder.append("\n <content src=\"chapter-" + nnn + ".xml\"/>");
331	builder.append("\n </navPoint>\n");
332	}
333
334	private String generateOpf(Story story) {
335	StringBuilder builder = new StringBuilder();
336
337	String title = "";
338	String uuid = "";
339	String author = "";
340	String date = "";
341	String publisher = "";
342	String subject = "";
343	String source = "";
344	String lang = "";
345	if (story.getMeta() != null) {
346	MetaData meta = story.getMeta();
347	title = meta.getTitle();
348	uuid = meta.getUuid();
349	author = meta.getAuthor();
350	date = meta.getDate();
351	publisher = meta.getPublisher();
352	subject = meta.getSubject();
353	source = meta.getSource();
354	lang = meta.getLang();
355	}
356
357	builder.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
358	builder.append("\n<package xmlns=\"http://www.idpf.org/2007/opf\" unique-identifier=\""
359	+ uuid + "\" version=\"2.0\">");
360	builder.append("\n <metadata xmlns:opf=\"http://www.idpf.org/2007/opf\"");
361	builder.append("\n xmlns:dc=\"http://purl.org/dc/elements/1.1/\">");
362	builder.append("\n <dc:title>" + StringUtils.xmlEscape(title)
363	+ "</dc:title>");
364	builder.append("\n <dc:creator opf:role=\"aut\" opf:file-as=\""
365	+ StringUtils.xmlEscapeQuote(author) + "\">"
366	+ StringUtils.xmlEscape(author) + "</dc:creator>");
367	builder.append("\n <dc:date opf:event=\"original-publication\">"
368	+ StringUtils.xmlEscape(date) + "</dc:date>");
369	builder.append("\n <dc:publisher>"
370	+ StringUtils.xmlEscape(publisher) + "</dc:publisher>");
371	builder.append("\n <dc:date opf:event=\"epub-publication\"></dc:date>");
372	builder.append("\n <dc:subject>" + StringUtils.xmlEscape(subject)
373	+ "</dc:subject>");
374	builder.append("\n <dc:source>" + StringUtils.xmlEscape(source)
375	+ "</dc:source>");
376	builder.append("\n <dc:rights>Not for commercial use.</dc:rights>");
377	builder.append("\n <dc:identifier id=\"id\" opf:scheme=\"URI\">"
378	+ StringUtils.xmlEscape(uuid) + "</dc:identifier>");
379	builder.append("\n <dc:language>" + StringUtils.xmlEscape(lang)
380	+ "</dc:language>");
381	builder.append("\n </metadata>");
382	builder.append("\n <manifest>");
383	builder.append("\n <!-- Content Documents -->");
384	builder.append("\n <item id=\"titlepage\" href=\"title.xml\" media-type=\"application/xhtml+xml\"/>");
385	for (int i = 0; i <= story.getChapters().size(); i++) {
386	String name = String.format("%s%03d", "chapter-", i);
387	builder.append("\n <item id=\""
388	+ StringUtils.xmlEscapeQuote(name) + "\" href=\""
389	+ StringUtils.xmlEscapeQuote(name)
390	+ ".xml\" media-type=\"application/xhtml+xml\"/>");
391	}
392
393	builder.append("\n <!-- CSS Style Sheets -->");
394	builder.append("\n <item id=\"style-css\" href=\"css/style.css\" media-type=\"text/css\"/>");
395
396	builder.append("\n <!-- Images -->");
397
398	if (story.getMeta() != null && story.getMeta().getCover() != null) {
399	String format = Instance.getConfig()
400	.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();
401	builder.append("\n <item id=\"cover\" href=\"images/cover."
402	+ format + "\" media-type=\"image/png\"/>");
403	}
404
405	builder.append("\n <!-- NCX -->");
406	builder.append("\n <item id=\"ncx\" href=\"epb.ncx\" media-type=\"application/x-dtbncx+xml\"/>");
407	builder.append("\n </manifest>");
408	builder.append("\n <spine toc=\"ncx\">");
409	builder.append("\n <itemref idref=\"titlepage\" linear=\"yes\"/>");
410	for (int i = 0; i <= story.getChapters().size(); i++) {
411	String name = String.format("%s%03d", "chapter-", i);
412	builder.append("\n <itemref idref=\""
413	+ StringUtils.xmlEscapeQuote(name) + "\" linear=\"yes\"/>");
414	}
415	builder.append("\n </spine>");
416	builder.append("\n</package>\n");
417
418	return builder.toString();
419	}
420
421	private String generateTitleXml(Story story) {
422	StringBuilder builder = new StringBuilder();
423
424	String title = "";
425	String tags = "";
426	String author = "";
427	if (story.getMeta() != null) {
428	MetaData meta = story.getMeta();
429	title = meta.getTitle();
430	if (meta.getTags() != null) {
431	for (String tag : meta.getTags()) {
432	if (!tags.isEmpty()) {
433	tags += ", ";
434	}
435	tags += tag;
436	}
437
438	if (!tags.isEmpty()) {
439	tags = "(" + tags + ")";
440	}
441	}
442	author = meta.getAuthor();
443	}
444
445	String format = Instance.getConfig()
446	.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();
447
448	builder.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
449	builder.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd \">");
450	builder.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\" xml:lang=\"en\">");
451	builder.append("\n<head>");
452	builder.append("\n <title>" + StringUtils.xmlEscape(title) + "</title>");
453	builder.append("\n <link rel=\"stylesheet\" href=\"css/style.css\" type=\"text/css\"/>");
454	builder.append("\n</head>");
455	builder.append("\n<body>");
456	builder.append("\n <div class=\"titlepage\">");
457	builder.append("\n <h1>" + StringUtils.xmlEscape(title) + "</h1>");
458	builder.append("\n <div class=\"type\">"
459	+ StringUtils.xmlEscape(tags) + "</div>");
460	builder.append("\n <div class=\"cover\">");
461	builder.append("\n <img src=\"images/cover." + format + "\"></img>");
462	builder.append("\n </div>");
463	builder.append("\n <div class=\"author\">"
464	+ StringUtils.xmlEscape(author) + "</div>");
465	builder.append("\n </div>");
466	builder.append("\n</body>");
467	builder.append("\n</html>\n");
468
469	return builder.toString();
470	}
471	}