From de36b47d29b7d6bdfb448a97bef2dcc3f5649205 Mon Sep 17 00:00:00 2001 From: Keisuke Kuroyanagi Date: Wed, 5 Mar 2014 19:42:53 +0900 Subject: Use BinaryDictionaryUtils to read dictionary header. Bug: 8187060 Bug:13035567 Change-Id: I90a5e0665c367f5a1bd786f4babf0d03e79e68fa --- .../latin/utils/BinaryDictionaryUtils.java | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'java/src/com/android/inputmethod/latin/utils/BinaryDictionaryUtils.java') diff --git a/java/src/com/android/inputmethod/latin/utils/BinaryDictionaryUtils.java b/java/src/com/android/inputmethod/latin/utils/BinaryDictionaryUtils.java index 6872285ad..638830046 100644 --- a/java/src/com/android/inputmethod/latin/utils/BinaryDictionaryUtils.java +++ b/java/src/com/android/inputmethod/latin/utils/BinaryDictionaryUtils.java @@ -17,8 +17,13 @@ package com.android.inputmethod.latin.utils; import com.android.inputmethod.annotations.UsedForTesting; +import com.android.inputmethod.latin.BinaryDictionary; +import com.android.inputmethod.latin.makedict.DictionaryHeader; +import com.android.inputmethod.latin.makedict.UnsupportedFormatException; import com.android.inputmethod.latin.personalization.PersonalizationHelper; +import java.io.File; +import java.io.IOException; import java.util.Locale; import java.util.Map; @@ -39,6 +44,26 @@ public final class BinaryDictionaryUtils { private static native int editDistanceNative(int[] before, int[] after); private static native int setCurrentTimeForTestNative(int currentTime); + public static DictionaryHeader getHeader(final File dictFile) + throws IOException, UnsupportedFormatException { + return getHeaderWithOffsetAndLength(dictFile, 0 /* offset */, dictFile.length()); + } + + public static DictionaryHeader getHeaderWithOffsetAndLength(final File dictFile, + final long offset, final long length) throws IOException, UnsupportedFormatException { + // dictType is never used for reading the header. Passing an empty string. + final BinaryDictionary binaryDictionary = new BinaryDictionary( + dictFile.getAbsolutePath(), offset, length, + true /* useFullEditDistance */, null /* locale */, "" /* dictType */, + false /* isUpdatable */); + final DictionaryHeader header = binaryDictionary.getHeader(); + binaryDictionary.close(); + if (header == null) { + throw new IOException(); + } + return header; + } + public static boolean createEmptyDictFile(final String filePath, final long dictVersion, final Locale locale, final Map attributeMap) { final String[] keyArray = new String[attributeMap.size()]; -- cgit v1.2.3-83-g751a