Change DictionaryStats to report content version.

Bug 19908719.

Change-Id: I5a00b5277e9cd7d964b53ff5823bada21be110fa

1 files changed, 46 insertions, 9 deletions

diff --git a/java/src/com/android/inputmethod/latin/DictionaryStats.java b/java/src/com/android/inputmethod/latin/DictionaryStats.java
index 5dd39d3d6..a6b37aa8f 100644
--- a/java/src/com/android/inputmethod/latin/DictionaryStats.java
+++ b/java/src/com/android/inputmethod/latin/DictionaryStats.java
@@ -17,6 +17,7 @@
 package com.android.inputmethod.latin;
 
 import java.io.File;
+import java.math.BigDecimal;
 import java.util.Locale;
 
 public class DictionaryStats {
@@ -26,18 +27,54 @@ public class DictionaryStats {
     public final String mDictName;
     public final String mDictFilePath;
     public final long mDictFileSize;
-
-    public final int mUnigramCount;
-    public final int mNgramCount;
-    // TODO: Add more members.
+    public final int mContentVersion;
 
     public DictionaryStats(final Locale locale, final String dictName, final File dictFile,
-            final int unigramCount, final int ngramCount) {
+            final int contentVersion) {
         mLocale = locale;
         mDictName = dictName;
-        mDictFilePath = dictFile.getAbsolutePath();
-        mDictFileSize = dictFile.length();
-        mUnigramCount = unigramCount;
-        mNgramCount = ngramCount;
+        mDictFilePath = (dictFile == null) ? null : dictFile.getName();
+        mDictFileSize = (dictFile == null || !dictFile.exists()) ? 0 : dictFile.length();
+        mContentVersion = contentVersion;
+    }
+
+    public String getFileSizeString() {
+        if (mDictFileSize == 0) {
+            return "0";
+        }
+        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(mDictName);
+        if (mDictName.equals(Dictionary.TYPE_MAIN)) {
+            builder.append(" (");
+            builder.append(mContentVersion);
+            builder.append(")");
+        }
+        builder.append(": ");
+        builder.append(mDictFilePath);
+        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();
     }
 }