go

[Dictionary.git] / src / com / hughes / android / dictionary / engine / Dictionary.java

diff --git a/src/com/hughes/android/dictionary/engine/Dictionary.java b/src/com/hughes/android/dictionary/engine/Dictionary.java
index 861ba4373b511a691f7944f9368240b5d3f815e7..18f1c9afa8f889a41a09d4d6ca7c4846f1fb2001 100644 (file)
--- a/src/com/hughes/android/dictionary/engine/Dictionary.java
+++ b/src/com/hughes/android/dictionary/engine/Dictionary.java
@@ -1,17 +1,89 @@
 package com.hughes.android.dictionary.engine;
 
+import java.io.IOException;
+import java.io.PrintStream;
+import java.io.RandomAccessFile;
+import java.util.ArrayList;
 import java.util.List;
 
+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 {
+
+public class Dictionary implements RAFSerializable<Dictionary> {
   
-  // persisted
-  final List<PairEntry> pairEntries;
+  static final int CACHE_SIZE = 5000;
+  
+  static final String END_OF_DICTIONARY = "END OF DICTIONARY";
   
   // persisted
-  final List<EntrySource> sources;
+  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;
   
-  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);
+    }
+    creationMillis = raf.readLong();
+    dictInfo = raf.readUTF();
+    sources = CachingList.createFullyCached(RAFList.create(raf, EntrySource.SERIALIZER, raf.getFilePointer()));
+    pairEntries = CachingList.create(RAFList.create(raf, PairEntry.SERIALIZER, raf.getFilePointer()), CACHE_SIZE);
+    textEntries = CachingList.create(RAFList.create(raf, TextEntry.SERIALIZER, raf.getFilePointer()), CACHE_SIZE);
+    indices = CachingList.createFullyCached(RAFList.create(raf, indexSerializer, raf.getFilePointer()));
+    final String end = raf.readUTF(); 
+    if (!end.equals(END_OF_DICTIONARY)) {
+      throw new IOException("Dictionary seems corrupt: " + end);
+    }
+  }
   
+  @Override
+  public void write(RandomAccessFile raf) throws IOException {
+    raf.writeInt(dictFileVersion);
+    raf.writeLong(creationMillis);
+    raf.writeUTF(dictInfo);
+    RAFList.write(raf, sources, EntrySource.SERIALIZER);
+    RAFList.write(raf, pairEntries, PairEntry.SERIALIZER);
+    RAFList.write(raf, textEntries, TextEntry.SERIALIZER);
+    RAFList.write(raf, indices, indexSerializer);
+    raf.writeUTF(END_OF_DICTIONARY);
+  }
+
+  private final RAFListSerializer<Index> indexSerializer = new RAFListSerializer<Index>() {
+    @Override
+    public Index read(RandomAccessFile raf, final int readIndex) throws IOException {
+      return new Index(Dictionary.this, raf);
+    }
+    @Override
+    public void write(RandomAccessFile raf, Index t) throws IOException {
+      t.write(raf);
+    }};
+    
+    public void print(final PrintStream out) {
+      out.println("dictInfo=" + dictInfo);
+      for (final Index index : indices) {
+        out.printf("Index: %s %s\n", index.shortName, index.longName);
+        index.print(out);
+        out.println();
+      }
+    }
+
+
 }
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