package com.hughes.android.dictionary.engine;
-import com.hughes.android.dictionary.DictionaryInfo;
-import com.hughes.util.CachingList;
-import com.hughes.util.StringUtil;
-import com.hughes.util.raf.RAFList;
-import com.hughes.util.raf.RAFListSerializer;
-import com.hughes.util.raf.RAFSerializable;
-
import java.io.DataInput;
+import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.File;
import java.io.IOException;
+import java.io.ObjectOutputStream;
import java.io.PrintStream;
import java.io.RandomAccessFile;
+import java.nio.channels.Channels;
+import java.nio.channels.FileChannel;
+import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
+import com.hughes.android.dictionary.DictionaryInfo;
+import com.hughes.util.CachingList;
+import com.hughes.util.raf.RAFList;
+import com.hughes.util.raf.RAFListSerializer;
+import com.hughes.util.raf.RAFSerializable;
+
public class Dictionary implements RAFSerializable<Dictionary> {
- static final int CACHE_SIZE = 5000;
+ private static final int CACHE_SIZE = 5000;
- static final int CURRENT_DICT_VERSION = 7;
- static final String END_OF_DICTIONARY = "END OF DICTIONARY";
+ private static final int CURRENT_DICT_VERSION = 7;
+ private static final String END_OF_DICTIONARY = "END OF DICTIONARY";
// persisted
final int dictFileVersion;
- final long creationMillis;
+ public final long creationMillis;
public final String dictInfo;
public final List<PairEntry> pairEntries;
public final List<TextEntry> textEntries;
this.dictFileVersion = CURRENT_DICT_VERSION;
this.creationMillis = System.currentTimeMillis();
this.dictInfo = dictInfo;
- pairEntries = new ArrayList<PairEntry>();
- textEntries = new ArrayList<TextEntry>();
- htmlEntries = new ArrayList<HtmlEntry>();
+ pairEntries = new ArrayList<>();
+ textEntries = new ArrayList<>();
+ htmlEntries = new ArrayList<>();
htmlData = null;
- sources = new ArrayList<EntrySource>();
- indices = new ArrayList<Index>();
+ sources = new ArrayList<>();
+ indices = new ArrayList<>();
}
- public Dictionary(final RandomAccessFile raf) throws IOException {
+ public Dictionary(final FileChannel ch) throws IOException {
+ DataInput raf = new DataInputStream(Channels.newInputStream(ch));
dictFileVersion = raf.readInt();
if (dictFileVersion < 0 || dictFileVersion > CURRENT_DICT_VERSION) {
throw new IOException("Invalid dictionary version: " + dictFileVersion);
// Load the sources, then seek past them, because reading them later
// disrupts the offset.
try {
- final RAFList<EntrySource> rafSources = RAFList.create(raf, new EntrySource.Serializer(
- this), raf.getFilePointer(), dictFileVersion, dictInfo + " sources: ");
- sources = new ArrayList<EntrySource>(rafSources);
- raf.seek(rafSources.getEndOffset());
+ final RAFList<EntrySource> rafSources = RAFList.create(ch, new EntrySource.Serializer(
+ this), ch.position(), dictFileVersion, dictInfo + " sources: ");
+ sources = new ArrayList<>(rafSources);
+ ch.position(rafSources.getEndOffset());
pairEntries = CachingList.create(
- RAFList.create(raf, new PairEntry.Serializer(this), raf.getFilePointer(), dictFileVersion, dictInfo + " pairs: "),
- CACHE_SIZE);
+ RAFList.create(ch, new PairEntry.Serializer(this), ch.position(), dictFileVersion, dictInfo + " pairs: "),
+ CACHE_SIZE, false);
textEntries = CachingList.create(
- RAFList.create(raf, new TextEntry.Serializer(this), raf.getFilePointer(), dictFileVersion, dictInfo + " text: "),
- CACHE_SIZE);
+ RAFList.create(ch, new TextEntry.Serializer(this), ch.position(), dictFileVersion, dictInfo + " text: "),
+ CACHE_SIZE, true);
if (dictFileVersion >= 5) {
htmlEntries = CachingList.create(
- RAFList.create(raf, new HtmlEntry.Serializer(this), raf.getFilePointer(), dictFileVersion, dictInfo + " html: "),
- CACHE_SIZE);
+ RAFList.create(ch, new HtmlEntry.Serializer(this, ch), ch.position(), dictFileVersion, dictInfo + " html: "),
+ CACHE_SIZE, false);
} else {
htmlEntries = Collections.emptyList();
}
if (dictFileVersion >= 7) {
- htmlData = RAFList.create(raf, new HtmlEntry.DataDeserializer(), raf.getFilePointer(), dictFileVersion, dictInfo + " html: ");
+ htmlData = RAFList.create(ch, new HtmlEntry.DataDeserializer(), ch.position(), dictFileVersion, dictInfo + " html: ");
} else {
htmlData = null;
}
- indices = CachingList.createFullyCached(RAFList.create(raf, indexSerializer,
- raf.getFilePointer(), dictFileVersion, dictInfo + " index: "));
+ indices = CachingList.createFullyCached(RAFList.create(ch, new IndexSerializer(ch),
+ ch.position(), dictFileVersion, dictInfo + " index: "));
} catch (RuntimeException e) {
- final IOException ioe = new IOException("RuntimeException loading dictionary");
- ioe.initCause(e);
- throw ioe;
+ throw new IOException("RuntimeException loading dictionary", e);
}
final String end = raf.readUTF();
if (!end.equals(END_OF_DICTIONARY)) {
@Override
public void write(DataOutput out) throws IOException {
RandomAccessFile raf = (RandomAccessFile)out;
+ if (dictFileVersion < 7) throw new RuntimeException("write function cannot write formats older than v7!");
raf.writeInt(dictFileVersion);
raf.writeLong(creationMillis);
raf.writeUTF(dictInfo);
System.out.println("text start: " + raf.getFilePointer());
RAFList.write(raf, textEntries, new TextEntry.Serializer(this));
System.out.println("html index start: " + raf.getFilePointer());
- RAFList.write(raf, htmlEntries, new HtmlEntry.Serializer(this), 64, true);
+ RAFList.write(raf, htmlEntries, new HtmlEntry.Serializer(this, null), 64, true);
System.out.println("html data start: " + raf.getFilePointer());
assert htmlData == null;
RAFList.write(raf, htmlEntries, new HtmlEntry.DataSerializer(), 128, true);
System.out.println("indices start: " + raf.getFilePointer());
- RAFList.write(raf, indices, indexSerializer);
+ RAFList.write(raf, indices, new IndexSerializer(null));
System.out.println("end: " + raf.getFilePointer());
raf.writeUTF(END_OF_DICTIONARY);
}
- private final RAFListSerializer<Index> indexSerializer = new RAFListSerializer<Index>() {
+ private final class IndexSerializer implements RAFListSerializer<Index> {
+ private final FileChannel ch;
+
+ IndexSerializer(FileChannel ch) {
+ this.ch = ch;
+ }
+
@Override
public Index read(DataInput raf, final int readIndex) throws IOException {
- return new Index(Dictionary.this, raf);
+ return new Index(Dictionary.this, ch, raf);
}
@Override
public void write(DataOutput raf, Index t) throws IOException {
t.write(raf);
}
- };
+ }
final RAFListSerializer<HtmlEntry> htmlEntryIndexSerializer = new RAFListSerializer<HtmlEntry>() {
@Override
- public void write(DataOutput raf, HtmlEntry t) throws IOException {
+ public void write(DataOutput raf, HtmlEntry t) {
assert false;
}
RandomAccessFile raf = null;
try {
raf = new RandomAccessFile(file, "r");
- final Dictionary dict = new Dictionary(raf);
+ final Dictionary dict = new Dictionary(raf.getChannel());
final DictionaryInfo dictionaryInfo = dict.getDictionaryInfo();
dictionaryInfo.uncompressedFilename = file.getName();
dictionaryInfo.uncompressedBytes = file.length();
projects / Dictionary.git / blobdiff