edu.asu.msse.dssoni.moviedescrpitionapp.MovieLibrary.java Source code

Introduction

Here is the source code for edu.asu.msse.dssoni.moviedescrpitionapp.MovieLibrary.java

Source

/**
 *  Copyright 2016 Dhawal Soni
 *
 *  I give the Instructor and Arizona State University right to use
 *  this application source code to build and evaluate the software package.
 *
 *  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.
 *
 *  Created by Dhawal Soni on 2/11/2016.
 *
 *  @author Dhawal Soni mailto:dhawal.soni@asu.edu
 *  @version February 11, 2016
 */

package edu.asu.msse.dssoni.moviedescrpitionapp;

import android.app.Activity;
import android.content.Intent;
import android.view.View;

import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;

public class MovieLibrary extends Object implements Serializable {
    private MainActivity parent;
    Hashtable<String, MovieDescription> movies;

    public MovieLibrary(MainActivity parent) {
        this.parent = parent;
        movies = new Hashtable<String, MovieDescription>();
        this.clearMovies();
    }

    public void clearMovies() {
        InputStream is = parent.getApplicationContext().getResources().openRawResource(R.raw.movies);
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        MovieDescription md;
        try {
            JSONObject jo = new JSONObject(new JSONTokener(br.readLine()));
            Iterator<String> it = jo.keys();
            while (it.hasNext()) {
                String title = it.next();
                JSONObject movie = jo.optJSONObject(title);
                if (movie != null) {
                    md = new MovieDescription(movie.toString());
                    movies.put(title, md);
                    String[] genre = md.getGenre().split(",");
                    for (int i = 0; i < genre.length; i++) {
                        genre[i].trim();
                    }
                    for (int i = 0; i < genre.length; i++) {
                        if (!parent.map.containsKey(genre[i])) {
                            List<String> list = new ArrayList<>();
                            list.add(md.getTitle());
                            parent.map.put(genre[i], list);
                        } else {
                            List<String> list = (List<String>) parent.map.get(genre[i]);
                            list.add(md.getTitle());
                            parent.map.put(genre[i], list);
                        }
                    }
                }
            }
        } catch (JSONException je) {
            je.printStackTrace();
        } catch (IOException ie) {
            ie.printStackTrace();
        }
    }

    void removeMovie(String title) {
        movies.remove(title);
    }

    void addMovie(String title) {
        MovieDescription md = new MovieDescription(title);
        movies.put(md.title, md);
    }

}