-import com.hughes.util.raf.RAFSerializable;
-
-
-public class Dictionary implements RAFSerializable<Dictionary> {
-
- static final int CACHE_SIZE = 5000;
-
- static final String END_OF_DICTIONARY = "END OF DICTIONARY";
-
- // persisted
- final int dictFileVersion;
- final long creationMillis;
- public final String dictInfo;
- public final List<PairEntry> pairEntries;
- public final List<TextEntry> textEntries;
- public final List<EntrySource> sources;
- public final List<Index> indices;
-
- public Dictionary(final String dictInfo) {
- this.dictFileVersion = 0;
- this.creationMillis = System.currentTimeMillis();
- this.dictInfo = dictInfo;
- pairEntries = new ArrayList<PairEntry>();
- textEntries = new ArrayList<TextEntry>();
- sources = new ArrayList<EntrySource>();
- indices = new ArrayList<Index>();
- }
-
- public Dictionary(final RandomAccessFile raf) throws IOException {
- dictFileVersion = raf.readInt();
- if (dictFileVersion != 0) {
- throw new IOException("Invalid dictionary version: " + dictFileVersion);
+
+public class Dictionary {
+
+ private static final int CACHE_SIZE = 5000;
+
+ private static final int CURRENT_DICT_VERSION = 7;
+ private static final String END_OF_DICTIONARY = "END OF DICTIONARY";
+
+ // persisted
+ final int dictFileVersion;
+ public final long creationMillis;
+ public final String dictInfo;
+ public final List<PairEntry> pairEntries;
+ public final List<TextEntry> textEntries;
+ public final List<HtmlEntry> htmlEntries;
+ public final List<DataInputBuffer> htmlData;
+ public final List<EntrySource> sources;
+ public final List<Index> indices;
+ // Could be a local variable in constructor, but
+ // this way avoids a native-image VM bug.
+ private final MappedByteBuffer wholefile;
+
+ /**
+ * dictFileVersion 1 adds: <li>links to sources? dictFileVersion 2 adds: <li>
+ * counts of tokens in indices.
+ */
+
+ public Dictionary(final String dictInfo) {
+ this.dictFileVersion = CURRENT_DICT_VERSION;
+ this.creationMillis = System.currentTimeMillis();
+ this.dictInfo = dictInfo;
+ pairEntries = new ArrayList<>();
+ textEntries = new ArrayList<>();
+ htmlEntries = new ArrayList<>();
+ htmlData = null;
+ sources = new ArrayList<>();
+ indices = new ArrayList<>();
+ wholefile = null;
+ }
+
+ public Dictionary(final FileChannel ch) throws IOException {
+ wholefile = ch.map(FileChannel.MapMode.READ_ONLY, 0, ch.size());
+ DataInputBuffer in = new DataInputBuffer(wholefile, 0);
+ dictFileVersion = in.readInt();
+ if (dictFileVersion < 0 || dictFileVersion > CURRENT_DICT_VERSION) {
+ throw new IOException("Invalid dictionary version: " + dictFileVersion);
+ }
+ creationMillis = in.readLong();
+ dictInfo = in.readUTF();
+
+ // Load the sources, then seek past them, because reading them later
+ // disrupts the offset.
+ try {
+ final RAFList<EntrySource> rafSources = RAFList.create(in, new EntrySource.Serializer(
+ this), dictFileVersion, dictInfo + " sources: ");
+ sources = new ArrayList<>(rafSources);
+ ch.position(rafSources.getEndOffset());
+
+ pairEntries = CachingList.create(
+ RAFList.create(in, new PairEntry.Serializer(this), dictFileVersion, dictInfo + " pairs: "),
+ CACHE_SIZE, false);
+ textEntries = CachingList.create(
+ RAFList.create(in, new TextEntry.Serializer(this), dictFileVersion, dictInfo + " text: "),
+ CACHE_SIZE, true);
+ if (dictFileVersion >= 5) {
+ htmlEntries = CachingList.create(
+ RAFList.create(in, new HtmlEntry.Serializer(this), dictFileVersion, dictInfo + " html: "),
+ CACHE_SIZE, false);
+ } else {
+ htmlEntries = Collections.emptyList();
+ }
+ if (dictFileVersion >= 7) {
+ htmlData = RAFList.create(in, new HtmlEntry.DataDeserializer(), dictFileVersion, dictInfo + " html: ");
+ } else {
+ htmlData = null;
+ }
+ indices = CachingList.createFullyCached(RAFList.create(in, new IndexSerializer(),
+ dictFileVersion, dictInfo + " index: "));
+ } catch (RuntimeException e) {
+ throw new IOException("RuntimeException loading dictionary", e);
+ }
+ final String end = in.readUTF();
+ if (!end.equals(END_OF_DICTIONARY)) {
+ throw new IOException("Dictionary seems corrupt: " + end);
+ }