EPUB形式で電子本を作る

アドビ社の迫害をものともせずオープン規格EPUB電子本を作るとここで宣言。

mimetype
META-INF/
 container.xml
OEBPS/
 content.opf
 toc.ncx
 xhtml file

できた。が自前のJavaアプリで圧縮する必要があった。こんな感じです。

	import java.io.File;
	import java.io.FileInputStream;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.util.zip.ZipEntry;
	import java.util.zip.ZipException;
	import java.util.zip.ZipOutputStream;
	public class Zip
	{
	static boolean debug = true;
	public static void main(String args[])
	{
	String sourceDir = "d:/ebook/mybook/";
	String zipFile = "d:/ebook/mybook.epub";
	try
	{
	FileOutputStream fout = new FileOutputStream(zipFile);
	ZipOutputStream zout = new ZipOutputStream(fout);
	File fileSource = new File(sourceDir);
	mimeType(zout, sourceDir);
	addDirectory(zout, fileSource);
	zout.close();
	} catch (IOException ioe)
	{
	System.out.println("IOException :" + ioe);
	}
	}
	static void mimeType(ZipOutputStream zout, String sourceDir)
	{
	try
	{
	byte[] buffer = new byte[1024];
	FileInputStream fin = new FileInputStream(sourceDir + "/mimetype");
	zout.putNextEntry(new ZipEntry("mimetype"));
	zout.setLevel(ZipOutputStream.STORED);
	int length;
	while ((length = fin.read(buffer)) > 0)
	{
	zout.write(buffer, 0, length);
	}
	} catch (Exception e)
	{
	e.printStackTrace();
	}
	}
	private static void addDirectory(ZipOutputStream zout, File fileSource)
	{
	File[] files = fileSource.listFiles();
	if (debug)
	System.out.println("Adding directory " + fileSource.getName());
	zout.setLevel(ZipOutputStream.DEFLATED);
	for (int i = 0; i < files.length; i++)
	{
	if (files[i].isDirectory())
	{
	addDirectory(zout, files[i]);
	continue;
	}
	try
	{
	if (!files[i].getName().equals("mimetype"))
	{
	if (debug)
	System.out.println("Adding file " + files[i].getName());
	byte[] buffer = new byte[1024];
	FileInputStream fin = new FileInputStream(files[i]);
	zout.putNextEntry(new ZipEntry(files[i].getName()));
	int length;
	while ((length = fin.read(buffer)) > 0)
	{
	zout.write(buffer, 0, length);
	}
	zout.closeEntry();
	fin.close();
	}
	} catch (IOException ioe)
	{
	System.out.println("IOException :" + ioe);
	}
	}
	}
	}

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