Android Open Source - UniversalLoader U L Task

From Project

License

The source code is released under:

Apache License

If you think the Android project UniversalLoader listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.michaelflisar.universalloader.data.main;
//from   ww  w .j a va2 s  .  c o m
import java.lang.ref.WeakReference;
import java.util.concurrent.Callable;

import android.os.AsyncTask;

import com.michaelflisar.universalloader.UniversalLoader;
import com.michaelflisar.universalloader.helper.ULDebugger;
import com.michaelflisar.universalloader.helper.ULDebugger.DebugMode;

public class ULTask extends AsyncTask<Void, Void, ULResult>
{
    private ULKey mKey;
    private WeakReference<UniversalLoader> mUniversalLoader;
    private Callable<Object> mCallable;

    public ULTask(ULKey key, UniversalLoader universalLoader, Callable<Object> callable)
    {
        mKey = key;
        mUniversalLoader = new WeakReference<UniversalLoader>(universalLoader);
        mCallable = callable;
    }

    @Override
    protected void onPreExecute()
    {

    }

    @Override
    protected ULResult doInBackground(Void... params)
    {
        try
        {
            ULDebugger.debug(DebugMode.DETAILED, getClass(), "doInBackground: " + mKey);
            Object result = mCallable.call();
            return new ULResult(result);
        }
        catch (Exception e)
        {
            ULDebugger.debug(DebugMode.DETAILED, getClass(), "doInBackground EXCEPTION: " + e.getMessage());
            return new ULResult(e);
        }
    }

    @Override
    protected void onCancelled()
    {
        ULDebugger.debug(DebugMode.DETAILED, getClass(), "onCancelled: " + mKey);
        UniversalLoader universalLoader = mUniversalLoader.get();
        if (universalLoader != null)
            universalLoader.removeTask(mKey);
    }

    @Override
    protected void onPostExecute(ULResult result)
    {
        ULDebugger.debug(DebugMode.DETAILED, getClass(), "onPostExecute: " + mKey);
        UniversalLoader universalLoader = mUniversalLoader.get();
        if (universalLoader != null && result != null)
            universalLoader.putResult(mKey, result);
    }
}

Java Source Code List