net.reichholf.dreamdroid.loader.AsyncByteLoader.java Source code

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Here is the source code for net.reichholf.dreamdroid.loader.AsyncByteLoader.java

Source

/*  2010 Stephan Reichholf <stephan at reichholf dot net>
 * 
 * Licensed under the Create-Commons Attribution-Noncommercial-Share Alike 3.0 Unported
 * http://creativecommons.org/licenses/by-nc-sa/3.0/
 */

package net.reichholf.dreamdroid.loader;

import java.util.ArrayList;

import net.reichholf.dreamdroid.DreamDroid;
import net.reichholf.dreamdroid.R;
import net.reichholf.dreamdroid.helpers.SimpleHttpClient;
import net.reichholf.dreamdroid.helpers.enigma2.Request;

import org.apache.http.NameValuePair;

import android.content.Context;
import android.os.Bundle;
import android.support.v4.content.AsyncTaskLoader;

/**
 * @author sre
 * 
 */
public class AsyncByteLoader extends AsyncTaskLoader<LoaderResult<byte[]>> {

    private SimpleHttpClient mShc;
    protected ArrayList<NameValuePair> mParams;
    protected String mUri;

    public AsyncByteLoader(Context context, Bundle args) {
        super(context);
        init(context, args);
    }

    @SuppressWarnings("unchecked")
    private void init(Context context, Bundle args) {
        DreamDroid.loadCurrentProfile(context);
        mShc = new SimpleHttpClient();
        if (args != null && args.containsKey("params"))
            mParams = (ArrayList<NameValuePair>) args.getSerializable("params");
        else
            mParams = null;

        mUri = args.getString("uri");
    }

    @Override
    protected void onStartLoading() {
        forceLoad();
    }

    @Override
    protected void onStopLoading() {
        // Attempt to cancel the current load task if possible.
        cancelLoad();
    }

    @Override
    public LoaderResult<byte[]> loadInBackground() {
        byte[] data = null;

        if (mParams == null)
            data = Request.getBytes(mShc, mUri);
        else
            data = Request.getBytes(mShc, mUri, mParams);

        LoaderResult<byte[]> result = new LoaderResult<byte[]>();
        if (data.length > 0) {
            result.set(data);
        } else {
            if (mShc.hasError())
                result.set(mShc.getErrorText());
            else
                result.set(getContext().getString(R.string.error));
        }
        return result;
    }

}