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/*
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 *     this list of conditions and the following disclaimer. 
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 *     and/or other materials provided with the distribution.
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package fxpodcastviewer.storage;

import fxpodcastviewer.feed.PodcastMedia;
import javafx.io.*;
import fxpodcastviewer.Main;
import java.io.InputStream;
import java.io.ByteArrayOutputStream;
import java.io.ByteArrayInputStream;


public-read var storedMedias:PodcastMedia[];

public function store(media:PodcastMedia){

    if ( mediaExists(media)){
        return;
    }

    var storage = Storage{
        source: Main.applicationTitle
    };

    //if exists then append else new file.
    var outputStream = storage.resource.openOutputStream(sizeof storedMedias <= 0);

    println("Writing media - {media}");
    outputStream.write(media.toString().getBytes());
    outputStream.close();

    println("length --- {storage.resource.length}");
    var m = media.clone();
    //set isFromStore 
    m.fromStore = true;
    insert m into storedMedias;

}

public function clear(){
    var storage = Storage{
        source: Main.applicationTitle
    };
    storage.clear();
}



function mediaExists(media:PodcastMedia):Boolean{
    for ( m in storedMedias){
        if ( media.equals(m))
            return true;
    }
    return false;
}


/* delete a media from the Stored list*/
public function deleteMedia(podcast:PodcastMedia){
    delete podcast from storedMedias;
    var storage = Storage{
        source: Main.applicationTitle
    };
    //create new.
    var outputStream = storage.resource.openOutputStream(true);
    for ( media in storedMedias){
        outputStream.write(media.toString().getBytes());
    }
    outputStream.close();
}


function isStoreExists(){
    var storage = Storage{
        source: Main.applicationTitle

    };
    println("Available bytes --- {storage.resource.length}");
    return ( storage.resource.length > 0)
}


function addTag(input:InputStream){
    var output = new ByteArrayOutputStream();
    var c = -1;
    while ( (c = input.read()) != -1){
        output.write(c);
    }
    output.close();
    var out = "<Podcasts>{output.toString()}</Podcasts>";
    println(out);
    new ByteArrayInputStream(out.getBytes());
}


/* Load the locations from persistent store */
public function load(){
    try{
        println("Loading from store....");
        var storage = Storage {
            source: Main.applicationTitle
        };
        var input = storage.resource.openInputStream();
        storedMedias = PodcastMedia.fromXML(addTag(input));
    }catch(e){
        e.printStackTrace();
    }

}