You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.4 KiB
86 lines
2.4 KiB
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
package codetoanalyze.java.infer;
|
|
|
|
import android.app.DownloadManager;
|
|
import android.content.ContentProviderClient;
|
|
import android.content.ContentResolver;
|
|
import android.content.Context;
|
|
import android.database.Cursor;
|
|
import android.database.sqlite.SQLiteDatabase;
|
|
import android.database.sqlite.SQLiteQueryBuilder;
|
|
import android.os.RemoteException;
|
|
import android.provider.MediaStore;
|
|
|
|
public class CursorNPEs {
|
|
|
|
public int cursorNPEfromQuery(SQLiteDatabase sqLiteDatabase) {
|
|
Cursor cursor = sqLiteDatabase.query("events", null, null, null, null, null, null);
|
|
try {
|
|
return cursor.getCount();
|
|
} finally {
|
|
cursor.close();
|
|
}
|
|
}
|
|
|
|
Context mContext;
|
|
ContentResolver mContentResolver;
|
|
|
|
public void cursorFromContentResolverNPEBad(String customClause) {
|
|
String[] projection = {"COUNT(*)"};
|
|
|
|
String selectionClause = selectionClause = customClause;
|
|
|
|
Cursor cursor =
|
|
mContext.getContentResolver().query(null, projection, selectionClause, null, null);
|
|
|
|
cursor.close();
|
|
}
|
|
|
|
public void cursorFromMediaNPEBad() {
|
|
Cursor cursor = MediaStore.Images.Media.query(mContentResolver, null, null, null, null, null);
|
|
cursor.close();
|
|
}
|
|
|
|
private void cursorFromSQLiteQueryBuilderNPE() {
|
|
SQLiteQueryBuilder builder = new SQLiteQueryBuilder();
|
|
builder.setTables("");
|
|
Cursor cursor = builder.query(null, null, "", null, null, null, null);
|
|
cursor.close();
|
|
}
|
|
|
|
public int cursorFromDownloadManagerNPEBad(DownloadManager downloadManager) {
|
|
DownloadManager.Query query = new DownloadManager.Query();
|
|
Cursor cursor = null;
|
|
try {
|
|
cursor = downloadManager.query(query);
|
|
return cursor.getColumnIndex(DownloadManager.COLUMN_STATUS);
|
|
} finally {
|
|
if (cursor != null) cursor.close();
|
|
}
|
|
}
|
|
|
|
private void cursorFromContentProviderClient() {
|
|
ContentProviderClient contentProviderClient = mContentResolver.acquireContentProviderClient("");
|
|
if (contentProviderClient != null) {
|
|
Cursor cursor = null;
|
|
try {
|
|
try {
|
|
cursor = contentProviderClient.query(null, null, null, null, null);
|
|
cursor.moveToFirst();
|
|
} catch (RemoteException ex) {
|
|
}
|
|
} finally {
|
|
if (cursor != null) {
|
|
cursor.close();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|