A CursorLoader implmentation that enable it to delay handling of the exceptions in loading cursors

ThrowableCursorLoader.java

/**
 * ThrowableCursorLoader: CursorLoader for CPs that tend to throw.
 * 
 * Copyright 2014 Takahiro Yoshimura
 *
 * 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.gmail.altakey.toolbox;

import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.support.v4.content.CursorLoader;

public class ThrowableCursorLoader extends CursorLoader {
    private RuntimeException mError;

    public ThrowableCursorLoader(Context context) {
        super(context);
    }

    public ThrowableCursorLoader(Context context, Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
        super(context, uri, projection, selection, selectionArgs, sortOrder);
    }

    @Override
    public Cursor loadInBackground() {
        try {
            mError = null;
            return super.loadInBackground();
        } catch (RuntimeException e) {
            mError = e;
            return null;
        }
    }

    public Throwable getLoadError() {
        return mError;
    }

    public void rethrow() {
        if (mError != null) {
            throw mError;
        }
    }
}