diff options
Diffstat (limited to 'Essentials/src/com/earth2me/essentials/textreader/TextInput.java')
| -rw-r--r-- | Essentials/src/com/earth2me/essentials/textreader/TextInput.java | 77 |
1 files changed, 54 insertions, 23 deletions
diff --git a/Essentials/src/com/earth2me/essentials/textreader/TextInput.java b/Essentials/src/com/earth2me/essentials/textreader/TextInput.java index 350831033..0856d5ff6 100644 --- a/Essentials/src/com/earth2me/essentials/textreader/TextInput.java +++ b/Essentials/src/com/earth2me/essentials/textreader/TextInput.java @@ -5,6 +5,7 @@ import com.earth2me.essentials.api.IEssentials; import com.earth2me.essentials.api.IUser; import com.earth2me.essentials.api.InvalidNameException; import java.io.*; +import java.lang.ref.SoftReference; import java.util.*; import java.util.logging.Level; import org.bukkit.Bukkit; @@ -14,9 +15,11 @@ import org.bukkit.entity.Player; public class TextInput implements IText { - private final transient List<String> lines = new ArrayList<String>(); - private final transient List<String> chapters = new ArrayList<String>(); - private final transient Map<String, Integer> bookmarks = new HashMap<String, Integer>(); + private final transient List<String> lines; + private final transient List<String> chapters; + private final transient Map<String, Integer> bookmarks; + private final transient long lastChange; + private final static HashMap<String, SoftReference<TextInput>> cache = new HashMap<String, SoftReference<TextInput>>(); public TextInput(final CommandSender sender, final String filename, final boolean createFile, final IEssentials ess) throws IOException { @@ -44,33 +47,62 @@ public class TextInput implements IText } if (file.exists()) { - final BufferedReader bufferedReader = new BufferedReader(new FileReader(file)); - try + lastChange = file.lastModified(); + boolean readFromfile; + synchronized (cache) { - int lineNumber = 0; - while (bufferedReader.ready()) + final SoftReference<TextInput> inputRef = cache.get(file.getName()); + TextInput input; + if (inputRef == null || (input = inputRef.get()) == null || input.lastChange < lastChange) { - 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-f]", ""), lineNumber); - chapters.add(line.substring(1).replace('&', '§').replace("§§", "&")); - } - lines.add(line.replace('&', '§').replace("§§", "&")); - lineNumber++; + lines = new ArrayList<String>(); + chapters = new ArrayList<String>(); + bookmarks = new HashMap<String, Integer>(); + cache.put(file.getName(), new SoftReference<TextInput>(this)); + readFromfile = true; + } + else + { + lines = Collections.unmodifiableList(input.getLines()); + chapters = Collections.unmodifiableList(input.getChapters()); + bookmarks = Collections.unmodifiableMap(input.getBookmarks()); + readFromfile = false; } } - finally + if (readFromfile) { - bufferedReader.close(); + final BufferedReader bufferedReader = new BufferedReader(new FileReader(file)); + 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-f]", ""), lineNumber); + chapters.add(line.substring(1).replace('&', '§').replace("§§", "&")); + } + lines.add(line.replace('&', '§').replace("§§", "&")); + lineNumber++; + } + } + finally + { + bufferedReader.close(); + } } } else { + lastChange = 0; + lines = Collections.emptyList(); + chapters = Collections.emptyList(); + bookmarks = Collections.emptyMap(); if (createFile) { final InputStream input = ess.getResource(filename + ".txt"); @@ -78,8 +110,7 @@ public class TextInput implements IText try { final byte[] buffer = new byte[1024]; - int length = 0; - length = input.read(buffer); + int length = input.read(buffer); while (length > 0) { output.write(buffer, 0, length); |