package org.apache.lucene.analysis.ja.dict;
import java.io.IOException;
public final class UnknownDictionary extends BinaryDictionary {
private final CharacterDefinition characterDefinition = CharacterDefinition.getInstance();
private UnknownDictionary() throws IOException {
super();
}
public int lookup(char[] text, int offset, int len) {
if(!characterDefinition.isGroup(text[offset])) {
return 1;
}
byte characterIdOfFirstCharacter = characterDefinition.getCharacterClass(text[offset]);
int length = 1;
for (int i = 1; i < len; i++) {
if (characterIdOfFirstCharacter == characterDefinition.getCharacterClass(text[offset+i])){
length++;
} else {
break;
}
}
return length;
}
public CharacterDefinition getCharacterDefinition() {
return characterDefinition;
}
@Override
public String getReading(int wordId, char surface[], int off, int len) {
return null;
}
@Override
public String getInflectionType(int wordId) {
return null;
}
@Override
public String getInflectionForm(int wordId) {
return null;
}
public static UnknownDictionary getInstance() {
return SingletonHolder.INSTANCE;
}
private static class SingletonHolder {
static final UnknownDictionary INSTANCE;
static {
try {
INSTANCE = new UnknownDictionary();
} catch (IOException ioe) {
throw new RuntimeException("Cannot load UnknownDictionary.", ioe);
}
}
}
}