1 files changed, 103 insertions, 0 deletions
diff --git a/java/src/org/kelar/inputmethod/latin/DictionaryStats.java b/java/src/org/kelar/inputmethod/latin/DictionaryStats.java
new file mode 100644
index 000000000..915583a1a
--- /dev/null
+++ b/java/src/org/kelar/inputmethod/latin/DictionaryStats.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2014 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 org.kelar.inputmethod.latin;
+
+import java.io.File;
+import java.math.BigDecimal;
+import java.util.Locale;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+public class DictionaryStats {
+    public static final int NOT_AN_ENTRY_COUNT = -1;
+
+    public final Locale mLocale;
+    public final String mDictType;
+    public final String mDictFileName;
+    public final long mDictFileSize;
+    public final int mContentVersion;
+    public final int mWordCount;
+
+    public DictionaryStats(
+            @Nonnull final Locale locale,
+            @Nonnull final String dictType,
+            @Nullable final String dictFileName,
+            @Nullable final File dictFile,
+            final int contentVersion) {
+        mLocale = locale;
+        mDictType = dictType;
+        mDictFileSize = (dictFile == null || !dictFile.exists()) ? 0 : dictFile.length();
+        mDictFileName = dictFileName;
+        mContentVersion = contentVersion;
+        mWordCount = -1;
+    }
+
+    public DictionaryStats(
+            @Nonnull final Locale locale,
+            @Nonnull final String dictType,
+            final int wordCount) {
+        mLocale = locale;
+        mDictType = dictType;
+        mDictFileSize = wordCount;
+        mDictFileName = null;
+        mContentVersion = 0;
+        mWordCount = wordCount;
+    }
+
+    public String getFileSizeString() {
+        BigDecimal bytes = new BigDecimal(mDictFileSize);
+        BigDecimal kb = bytes.divide(new BigDecimal(1024), 2, BigDecimal.ROUND_HALF_UP);
+        if (kb.longValue() == 0) {
+            return bytes.toString() + " bytes";
+        }
+        BigDecimal mb = kb.divide(new BigDecimal(1024), 2, BigDecimal.ROUND_HALF_UP);
+        if (mb.longValue() == 0) {
+            return kb.toString() + " kb";
+        }
+        return mb.toString() + " Mb";
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder(mDictType);
+        if (mDictType.equals(Dictionary.TYPE_MAIN)) {
+            builder.append(" (");
+            builder.append(mContentVersion);
+            builder.append(")");
+        }
+        builder.append(": ");
+        if (mWordCount > -1) {
+            builder.append(mWordCount);
+            builder.append(" words");
+        } else {
+            builder.append(mDictFileName);
+            builder.append(" / ");
+            builder.append(getFileSizeString());
+        }
+        return builder.toString();
+    }
+
+    public static String toString(final Iterable<DictionaryStats> stats) {
+        final StringBuilder builder = new StringBuilder("LM Stats");
+        for (DictionaryStats stat : stats) {
+            builder.append("\n    ");
+            builder.append(stat.toString());
+        }
+        return builder.toString();
+    }
+}