1 files changed, 71 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/DictionaryCollection.java b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
new file mode 100644
index 000000000..3fcb6ed55
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/DictionaryCollection.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.android.inputmethod.latin;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+/**
+ * Class for a collection of dictionaries that behave like one dictionary.
+ */
+public class DictionaryCollection extends Dictionary {
+
+    protected final List<Dictionary> mDictionaries;
+
+    public DictionaryCollection() {
+        mDictionaries = new CopyOnWriteArrayList<Dictionary>();
+    }
+
+    public DictionaryCollection(Dictionary... dictionaries) {
+        mDictionaries = new CopyOnWriteArrayList<Dictionary>(dictionaries);
+    }
+
+    public DictionaryCollection(Collection<Dictionary> dictionaries) {
+        mDictionaries = new CopyOnWriteArrayList<Dictionary>(dictionaries);
+    }
+
+    @Override
+    public void getWords(final WordComposer composer, final WordCallback callback) {
+        for (final Dictionary dict : mDictionaries)
+            dict.getWords(composer, callback);
+    }
+
+    @Override
+    public void getBigrams(final WordComposer composer, final CharSequence previousWord,
+            final WordCallback callback) {
+        for (final Dictionary dict : mDictionaries)
+            dict.getBigrams(composer, previousWord, callback);
+    }
+
+    @Override
+    public boolean isValidWord(CharSequence word) {
+        for (final Dictionary dict : mDictionaries)
+            if (dict.isValidWord(word)) return true;
+        return false;
+    }
+
+    @Override
+    public void close() {
+        for (final Dictionary dict : mDictionaries)
+            dict.close();
+    }
+
+    public void addDictionary(Dictionary newDict) {
+        mDictionaries.add(newDict);
+    }
+}