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package com.earth2me.essentials.textreader;
import java.io.*;
import java.lang.ref.SoftReference;
import java.util.*;
import net.ess3.api.IEssentials;
public class BookInput implements IText
{
private final static HashMap<String, SoftReference<BookInput>> cache = new HashMap<String, SoftReference<BookInput>>();
private final transient List<String> lines;
private final transient List<String> chapters;
private final transient Map<String, Integer> bookmarks;
private final transient long lastChange;
public BookInput(final String filename, final boolean createFile, final IEssentials ess) throws IOException
{
File file = null;
if (file == null || !file.exists())
{
file = new File(ess.getDataFolder(), filename + ".txt");
}
if (!file.exists())
{
if (createFile)
{
final InputStream input = ess.getResource(filename + ".txt");
final OutputStream output = new FileOutputStream(file);
try
{
final byte[] buffer = new byte[1024];
int length = input.read(buffer);
while (length > 0)
{
output.write(buffer, 0, length);
length = input.read(buffer);
}
}
finally
{
output.close();
input.close();
}
ess.getLogger().info("File " + filename + ".txt does not exist. Creating one for you.");
}
}
if (!file.exists())
{
lastChange = 0;
lines = Collections.emptyList();
chapters = Collections.emptyList();
bookmarks = Collections.emptyMap();
throw new FileNotFoundException("Could not create " + filename + ".txt");
}
else
{
lastChange = file.lastModified();
boolean readFromfile;
synchronized (cache)
{
final SoftReference<BookInput> inputRef = cache.get(file.getName());
BookInput input;
if (inputRef == null || (input = inputRef.get()) == null || input.lastChange < lastChange)
{
lines = new ArrayList<String>();
chapters = new ArrayList<String>();
bookmarks = new HashMap<String, Integer>();
cache.put(file.getName(), new SoftReference<BookInput>(this));
readFromfile = true;
}
else
{
lines = Collections.unmodifiableList(input.getLines());
chapters = Collections.unmodifiableList(input.getChapters());
bookmarks = Collections.unmodifiableMap(input.getBookmarks());
readFromfile = false;
}
}
if (readFromfile)
{
final Reader reader = new InputStreamReader(new FileInputStream(file), "utf-8");
final BufferedReader bufferedReader = new BufferedReader(reader);
try
{
int lineNumber = 0;
while (bufferedReader.ready())
{
final String line = bufferedReader.readLine();
if (line == null)
{
break;
}
if (line.length() > 0 && line.charAt(0) == '#')
{
bookmarks.put(line.substring(1).toLowerCase(Locale.ENGLISH).replaceAll("&[0-9a-fk]", ""), lineNumber);
chapters.add(line.substring(1).replace('&', '§').replace("§§", "&"));
}
lines.add(line.replace('&', '§').replace("§§", "&"));
lineNumber++;
}
}
finally
{
reader.close();
bufferedReader.close();
}
}
}
}
@Override
public List<String> getLines()
{
return lines;
}
@Override
public List<String> getChapters()
{
return chapters;
}
@Override
public Map<String, Integer> getBookmarks()
{
return bookmarks;
}
}
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