Don't try to issue delete() commands on missing provider (b2eac474) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java

+50 −21

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.inputmethod.latin;

		import android.content.ContentProviderClient;
		import android.content.ContentResolver;
		import android.content.ContentValues;
		import android.content.Context;
		@@ -93,12 +94,30 @@ public final class BinaryDictionaryFileDumper {
		path);
		}

		/**
		* Finds out whether the dictionary pack is available on this device.
		* @param context A context to get the content resolver.
		* @return whether the dictionary pack is present or not.
		*/
		private static boolean isDictionaryPackPresent(final Context context) {
		final ContentResolver cr = context.getContentResolver();
		final ContentProviderClient client =
		cr.acquireContentProviderClient(getProviderUriBuilder("").build());
		if (client != null) {
		client.release();
		return true;
		} else {
		return false;
		}
		}

		/**
		* Queries a content provider for the list of word lists for a specific locale
		* available to copy into Latin IME.
		*/
		private static List<WordListInfo> getWordListWordListInfos(final Locale locale,
		final Context context, final boolean hasDefaultWordList) {
		try {
		final ContentResolver resolver = context.getContentResolver();
		final String clientId = context.getString(R.string.dictionary_pack_client_id);
		final Uri.Builder builder = getProviderUriBuilder(clientId);
		@@ -106,21 +125,24 @@ public final class BinaryDictionaryFileDumper {
		builder.appendPath(locale.toString());
		builder.appendQueryParameter(QUERY_PARAMETER_PROTOCOL, QUERY_PARAMETER_PROTOCOL_VALUE);
		if (!hasDefaultWordList) {
		builder.appendQueryParameter(QUERY_PARAMETER_MAY_PROMPT_USER, QUERY_PARAMETER_TRUE);
		builder.appendQueryParameter(QUERY_PARAMETER_MAY_PROMPT_USER,
		QUERY_PARAMETER_TRUE);
		}
		final Uri dictionaryPackUri = builder.build();

		final Cursor c = resolver.query(dictionaryPackUri, DICTIONARY_PROJECTION, null, null, null);
		final Cursor c = resolver.query(dictionaryPackUri, DICTIONARY_PROJECTION, null, null,
		null);
		if (null == c) {
		reinitializeClientRecordInDictionaryContentProvider(context, resolver, clientId);
		if (isDictionaryPackPresent(context)) {
		reinitializeClientRecordInDictionaryContentProvider(context, resolver,
		clientId);
		}
		return Collections.<WordListInfo>emptyList();
		}
		if (c.getCount() <= 0 \|\| !c.moveToFirst()) {
		c.close();
		return Collections.<WordListInfo>emptyList();
		}

		try {
		final List<WordListInfo> list = CollectionUtils.newArrayList();
		do {
		final String wordListId = c.getString(0);
		@@ -130,6 +152,13 @@ public final class BinaryDictionaryFileDumper {
		} while (c.moveToNext());
		c.close();
		return list;
		} catch (IllegalArgumentException e) {
		// Since we are testing for the dictionary pack presence before doing anything that may
		// crash, it's probably impossible for the code to come here. However it's very
		// dangerous because crashing here would brick any encrypted device - we need the
		// keyboard to be up and working to enter the password. So let's be as safe as possible.
		Log.e(TAG, "IllegalArgumentException: the dictionary pack can't be contacted?", e);
		return Collections.<WordListInfo>emptyList();
		} catch (Exception e) {
		// Just in case we hit a problem in communication with the dictionary pack.
		// We don't want to die.