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Datarobot for Android is a lightweight framework, which frees you from the burden of dealing with Androids SQLite database directly if you don't want to and let's you access it directly if you have to.

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/*
 * Copyright (C) 2014 The Datarobot Authors
 *
 * 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.arconsis.android.datarobot;

import android.content.ContentProvider;
import android.content.ContentResolver;
import android.database.Cursor;
import android.database.CursorWrapper;

import com.arconsis.android.datarobot.cursor.ObjectCursor;

/**
 * Provides utility methods for cursors.
 *
 * @author Falk Appel
 * @author Alexander Frank
 */
public class CursorUtil {

	/**
	 * Convert a standard Android {@link Cursor} into a {@link ObjectCursor}.
* This is only possible for {@link Cursor}s that where queried over a {@link ContentResolver} from a * {@link ContentProvider} derived by {@link BaseContentProvider}. * * @param Entity class represented within the Cursor * @param cursor Android {@link Cursor} * @return The {@link ObjectCursor} representation of the given Android {@link Cursor} * @throws NullPointerException When the given cursor is null * @throws IllegalArgumentException When the given cursor is not of the type {@link CursorWrapper}, which will be returned by a * {@link ContentResolver} * @throws IllegalStateException When the wrapped cursor within the given cursor is not of type {@link ObjectCursor}. This indicates * that the given cursor was not queried from a derivation {@link BaseContentProvider} */ @SuppressWarnings("unchecked") public static ObjectCursor getObjectCursor(final Cursor cursor) { if (cursor == null) { throw new NullPointerException("The given cursor is null"); } if (!(cursor instanceof CursorWrapper)) { throw new IllegalArgumentException( "The given cursor is not of type " + CursorWrapper.class.getCanonicalName() + ". It has type " + cursor.getClass().getCanonicalName() + ". Was it queried with a ContentResolver?"); } CursorWrapper wrapper = (CursorWrapper) cursor; Cursor wrappedCursor = wrapper.getWrappedCursor(); if (!(wrappedCursor instanceof ObjectCursor)) { throw new IllegalStateException( "The wrapped cursor of the given CursorWrapper is not of type " + ObjectCursor.class.getCanonicalName() + ". It has type " + wrappedCursor.getClass().getCanonicalName() + ". Was it queried over a ContentResolver from BaseContentProvider derived ContentProvider?"); } return (ObjectCursor) wrappedCursor; } }




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