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112 lines
2.9 KiB
112 lines
2.9 KiB
/*
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* Copyright (c) 2013 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package com.facebook.infer.tests.codetoanalyze.java.errors;
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import android.app.DownloadManager;
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import android.content.ContentProviderClient;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteQueryBuilder;
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import android.os.RemoteException;
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import android.provider.MediaStore;
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public class CursorLeaks {
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public int cursorNPEfromQuery(SQLiteDatabase sqLiteDatabase) {
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Cursor cursor = sqLiteDatabase.query(
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"events", null,
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null, null, null, null, null);
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try {
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return cursor.getCount();
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} finally {
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cursor.close();
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}
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}
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public int cursorNotClosed(SQLiteDatabase sqLiteDatabase) {
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Cursor cursor = sqLiteDatabase.query(
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"events", null,
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null, null, null, null, null);
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if (cursor == null) {
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return 0;
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} else {
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return cursor.getCount();
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}
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}
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Context mContext;
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ContentResolver mContentResolver;
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public void cursorFromContentResolverNPE(String customClause) {
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String[] projection = {"COUNT(*)"};
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String selectionClause = selectionClause = customClause;
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Cursor cursor = mContext.getContentResolver().query(
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null,
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projection,
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selectionClause,
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null,
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null);
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cursor.close();
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}
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public void cursorFromMediaNPE() {
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Cursor cursor = MediaStore.Images.Media.query(
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mContentResolver, null, null, null, null, null);
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cursor.close();
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}
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}
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private void cursorFromSQLiteQueryBuilderNPE() {
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SQLiteQueryBuilder builder = new SQLiteQueryBuilder();
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builder.setTables("");
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Cursor cursor = builder.query(null, null, "", null, null, null, null);
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cursor.close();
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}
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public int cursorFromDownloadManagerNPE(DownloadManager downloadManager) {
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DownloadManager.Query query = new DownloadManager.Query();
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Cursor cursor = null;
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try {
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cursor = downloadManager.query(query);
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return cursor.getColumnIndex(DownloadManager.COLUMN_STATUS);
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}
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} finally {
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if (cursor != null) cursor.close();
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}
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}
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private void cursorFromContentProviderClient() {
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ContentProviderClient contentProviderClient =
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mContentResolver.acquireContentProviderClient("");
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if (contentProviderClient != null) {
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Cursor cursor = null;
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try {
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try {
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cursor = contentProviderClient.query(null, null, null, null, null);
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cursor.moveToFirst();
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} catch (RemoteException ex) {
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}
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} finally {
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if (cursor != null) {
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cursor.close();
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}
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}
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}
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}
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}
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