Java tutorial
/* * Copyright (C) 2013 Google Inc. All Rights Reserved. * * 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. */ package com.energysystem.videoexplorerTV.video; import android.content.ContentUris; import android.content.Context; import android.database.Cursor; import android.provider.MediaStore; import android.util.Log; import com.energysystem.videoexplorerTV.R; import java.io.BufferedInputStream; import java.io.BufferedReader; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.URLConnection; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.concurrent.TimeUnit; import org.json.JSONException; import org.json.JSONObject; /* * This class loads videos from a backend and saves them into a HashMap */ public class VideoProvider { private static final String TAG = "VideoProvider"; private static String TAG_MEDIA = "videos"; private static String TAG_GOOGLE_VIDEOS = "googlevideos"; private static String TAG_CATEGORY = "category"; private static String TAG_STUDIO = "studio"; private static String TAG_SOURCES = "sources"; private static String TAG_DESCRIPTION = "description"; private static String TAG_CARD_THUMB = "card"; private static String TAG_BACKGROUND = "background"; private static String TAG_TITLE = "title"; private static HashMap<String, List<Video>> mMovieList; private static Context mContext; private static String mPrefixUrl; public static void setContext(Context context) { if (mContext == null) mContext = context; } protected JSONObject parseUrl(String urlString) { Log.d(TAG, "Parse URL: " + urlString); InputStream is = null; mPrefixUrl = mContext.getResources().getString(R.string.prefix_url); try { java.net.URL url = new java.net.URL(urlString); URLConnection urlConnection = url.openConnection(); is = new BufferedInputStream(urlConnection.getInputStream()); BufferedReader reader = new BufferedReader( new InputStreamReader(urlConnection.getInputStream(), "iso-8859-1"), 8); StringBuilder sb = new StringBuilder(); String line = null; while ((line = reader.readLine()) != null) { sb.append(line); } String json = sb.toString(); return new JSONObject(json); } catch (Exception e) { Log.d(TAG, "Failed to parse the json for media list", e); return null; } finally { if (null != is) { try { is.close(); } catch (IOException e) { Log.d(TAG, "JSON feed closed", e); } } } } public static HashMap<String, List<Video>> getMovieList() { return mMovieList; } public static HashMap<String, List<Video>> buildMedia(String url, Cursor data) throws JSONException { mMovieList = new HashMap<String, List<Video>>(); mMovieList.clear(); Log.e("Abrimos", "Videos"); List<Video> categoryList = new ArrayList<Video>(); List<Video> categoryList2 = new ArrayList<Video>(); while (data.moveToNext()) { int videoID = data.getInt(data.getColumnIndex(MediaStore.Video.Media._ID)); int title = data.getColumnIndexOrThrow(MediaStore.Video.Media.TITLE); int category = data.getColumnIndexOrThrow(MediaStore.Video.Media.CATEGORY); int durationID = data.getColumnIndexOrThrow(MediaStore.Video.Media.DURATION); int data_string = data.getColumnIndexOrThrow(MediaStore.Video.Media.DATA); //int videoUrl = data.getColumnIndexOrThrow(MediaStore.Video.Media.EXTERNAL_CONTENT_URI.toString()); // int bgImageUrl = data.getColumnIndexOrThrow(MediaStore.Video.Thumbnails.EXTERNAL_CONTENT_URI.toString()); int duration = Integer.parseInt(data.getString(durationID)); String categoria = new File(data.getString(data_string)).getParent(); Log.e("Ruta:", categoria); if (categoria.equals("/storage/emulated/0/Movies")) { categoryList.add(buildMovieInfo(categoria, data.getString(title), "Descripcion", String.format("%d min, %d sec", TimeUnit.MILLISECONDS.toMinutes(duration), TimeUnit.MILLISECONDS.toSeconds(duration) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(duration))), ContentUris.withAppendedId(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, videoID).toString(), ContentUris.withAppendedId(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, videoID).toString(), ContentUris.withAppendedId(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, videoID) .toString())); mMovieList.put("Almacenamiento Interno", categoryList); } else { categoryList2.add(buildMovieInfo(categoria, data.getString(title), "Descripcion", String.format("%d min, %d sec", TimeUnit.MILLISECONDS.toMinutes(duration), TimeUnit.MILLISECONDS.toSeconds(duration) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(duration))), ContentUris.withAppendedId(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, videoID).toString(), ContentUris.withAppendedId(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, videoID).toString(), ContentUris.withAppendedId(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, videoID) .toString())); mMovieList.put("USB", categoryList2); } } /*JSONObject jsonObj = new VideoProvider().parseUrl(url); JSONArray categories = jsonObj.getJSONArray(TAG_GOOGLE_VIDEOS); if (null != categories) { Log.d(TAG, "category #: " + categories.length()); String title; String videoUrl; String bgImageUrl; String cardImageUrl; String studio; for (int i = 0; i < categories.length(); i++) { JSONObject category = categories.getJSONObject(i); String category_name = category.getString(TAG_CATEGORY); JSONArray videos = category.getJSONArray(TAG_MEDIA); Log.d(TAG, "category: " + i + " Name:" + category_name + " video length: " + videos.length()); List<Video> categoryList = new ArrayList<Video>(); if (null != videos) { for (int j = 0; j < videos.length(); j++) { JSONObject video = videos.getJSONObject(j); String description = video.getString(TAG_DESCRIPTION); JSONArray videoUrls = video.getJSONArray(TAG_SOURCES); if (null == videoUrls || videoUrls.length() == 0) { continue; } title = video.getString(TAG_TITLE); videoUrl = getVideoPrefix(category_name, videoUrls.getString(0)); bgImageUrl = getThumbPrefix(category_name, title, video.getString(TAG_BACKGROUND)); cardImageUrl = getThumbPrefix(category_name, title, video.getString(TAG_CARD_THUMB)); studio = video.getString(TAG_STUDIO); categoryList.add(buildMovieInfo(category_name, title, description, studio, videoUrl, cardImageUrl, bgImageUrl)); } mMovieList.put(category_name, categoryList); } } }*/ Log.e("VideoProvider", "Tamano mMovie: " + mMovieList.size()); return mMovieList; } private static Video buildMovieInfo(String category, String title, String description, String studio, String videoUrl, String cardImageUrl, String bgImageUrl) { Video video = new Video(); video.setId(Video.getCount()); Video.incCount(); video.setTitle(title); video.setDescription(description); video.setStudio(studio); video.setCategory(category); video.setCardImageUrl(cardImageUrl); video.setBackgroundImageUrl(bgImageUrl); video.setVideoUrl(videoUrl); return video; } private static String getVideoPrefix(String category, String videoUrl) { String ret = ""; ret = mPrefixUrl + category.replace(" ", "%20") + '/' + videoUrl.replace(" ", "%20"); return ret; } private static String getThumbPrefix(String category, String title, String imageUrl) { String ret = ""; ret = mPrefixUrl + category.replace(" ", "%20") + '/' + title.replace(" ", "%20") + '/' + imageUrl.replace(" ", "%20"); return ret; } }