com.facebook.react.bridge.GuardedAsyncTask.java Source code

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Here is the source code for com.facebook.react.bridge.GuardedAsyncTask.java

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/*
 * 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 com.facebook.react.bridge;

import android.os.AsyncTask;

/**
 * Abstract base for a AsyncTask that should have any RuntimeExceptions it throws handled by the
 * {@link com.facebook.react.bridge.NativeModuleCallExceptionHandler} registered if the app is in
 * dev mode.
 *
 * <p>This class doesn't allow doInBackground to return a results. If you need this use
 * GuardedResultAsyncTask instead.
 */
public abstract class GuardedAsyncTask<Params, Progress> extends AsyncTask<Params, Progress, Void> {

    private final NativeModuleCallExceptionHandler mExceptionHandler;

    @Deprecated
    protected GuardedAsyncTask(ReactContext reactContext) {
        this(reactContext.getExceptionHandler());
    }

    protected GuardedAsyncTask(NativeModuleCallExceptionHandler exceptionHandler) {
        mExceptionHandler = exceptionHandler;
    }

    @Override
    protected final Void doInBackground(Params... params) {
        try {
            doInBackgroundGuarded(params);
        } catch (RuntimeException e) {
            mExceptionHandler.handleException(e);
        }
        return null;
    }

    protected abstract void doInBackgroundGuarded(Params... params);
}