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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.providers.contacts.testutil;
import android.content.ContentProviderOperation;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.os.RemoteException;
import android.provider.ContactsContract;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
/**
* Common database methods.
*/
public class CommonDatabaseUtils {
public static final String TAG = CommonDatabaseUtils.class.getSimpleName();
// primitive value used when record is not found.
public static final long NOT_FOUND = -1;
public static String[] singleRecordToArray(Cursor cursor) {
String[] result = null;
try {
if (cursor.moveToNext()) {
result = new String[cursor.getColumnCount()];
fillArray(cursor, result);
}
} finally {
closeQuietly(cursor);
}
return result;
}
public static List<String[]> multiRecordToArray(Cursor cursor) {
ArrayList<String[]> result = new ArrayList<String[]>();
try {
while (cursor.moveToNext()) {
String[] record = new String[cursor.getColumnCount()];
fillArray(cursor, record);
result.add(record);
}
} finally {
closeQuietly(cursor);
}
return result;
}
private static void fillArray(Cursor cursor, String[] array) {
for (int i = 0; i < array.length; i++) {
array[i] = cursor.getString(i);
}
}
public static void closeQuietly(Cursor cursor) {
if (cursor != null) {
cursor.close();
}
}
public static void extrasVarArgsToValues(ContentValues values, String... extras) {
for (int i = 0; i < extras.length; ) {
values.put(extras[i], extras[i + 1]);
i += 2;
}
}
public static void applyBatch(ContentResolver resolver,
ArrayList<ContentProviderOperation> operations) {
try {
resolver.applyBatch(ContactsContract.AUTHORITY, operations);
} catch (OperationApplicationException e) {
Log.wtf(TAG, "ContentResolver batch operation failed.");
} catch (RemoteException e) {
Log.wtf(TAG, "Remote exception when performing batch operation.");
}
}
/**
* Returns an array of values extracted from a {@link ContentValues}, based on the order of
* the provided projection.
* @param values {@link ContentValues} object containing the values to convert into an array
* @param projection array of column names
*
* @return array of values, in the correct order as defined by the projection
*/
public static Object[] getArrayFromContentValues(ContentValues values, String[] projection) {
final Object[] result = new Object[projection.length];
for (int i = 0; i < projection.length; i++) {
result[i] = values.get(projection[i]);
}
return result;
}
}
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