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------- Default ------- Copyright (C) 2012, 2013, 2014 Younghyung Cho. <yhcting77@gmail.com> All rights reserved. This file is part of NetMBuddy This program is licensed under the FreeBSD license R...
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/****************************************************************************** * Copyright (C) 2012, 2013, 2014//from www.j a va 2 s.c o m * Younghyung Cho. <yhcting77@gmail.com> * All rights reserved. * * This file is part of NetMBuddy * * This program is licensed under the FreeBSD license * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation * are those of the authors and should not be interpreted as representing * official policies, either expressed or implied, of the FreeBSD Project. *****************************************************************************/ package free.yhc.netmbuddy.share; import java.util.concurrent.atomic.AtomicInteger; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import free.yhc.netmbuddy.db.ColPlaylist; import free.yhc.netmbuddy.db.DB; import free.yhc.netmbuddy.model.MultiThreadRunner; import free.yhc.netmbuddy.model.Policy; import free.yhc.netmbuddy.model.YTSearchHelper; import free.yhc.netmbuddy.share.Share.Err; import free.yhc.netmbuddy.share.Share.ImportPrepareResult; import free.yhc.netmbuddy.share.Share.ImportResult; import free.yhc.netmbuddy.share.Share.ImporterI; import free.yhc.netmbuddy.share.Share.LocalException; import free.yhc.netmbuddy.share.Share.OnProgressListener; import free.yhc.netmbuddy.share.Share.Type; import free.yhc.netmbuddy.utils.ImageUtils; import free.yhc.netmbuddy.utils.Utils; import free.yhc.netmbuddy.utils.YTUtils; class ImporterPlaylist implements ImporterI { private static final boolean DBG = false; private static final Utils.Logger P = new Utils.Logger(ImporterPlaylist.class); private final JSONObject mJo; private final MultiThreadRunner mMtrunner; static class ImportVideoJob extends MultiThreadRunner.Job<Err> { private final long _mPlid; // playlist id to import to private final JSONObject _mJov; // Video JSON Object. private final AtomicInteger _mSuccess; private final AtomicInteger _mFail; ImportVideoJob(float progWeight, JSONObject jov, long plid, AtomicInteger success, AtomicInteger fail) { super(true, progWeight); _mPlid = plid; _mJov = jov; _mSuccess = success; _mFail = fail; } @Override public Err doJob() { Err err = Err.UNKNOWN; try { String title = _mJov.getString(Json.FTITLE); String ytvid = _mJov.getString(Json.FYTID); if (!YTUtils.verifyYoutubeVideoId(ytvid)) return Err.INVALID_SHARE; // NOTE // Values that may not be in shared data // - newly added field after Database version 1. // Use default values for them. // AUTHOR is newly added at Database version 2. String author = ""; if (_mJov.has(Json.FAUTHOR)) author = _mJov.getString(Json.FAUTHOR); int playtm = _mJov.getInt(Json.FPLAYTIME); int volume = Policy.DEFAULT_VIDEO_VOLUME; if (_mJov.has(Json.FVOLUME)) volume = _mJov.getInt(Json.FVOLUME); String bookmarks = ""; if (_mJov.has(Json.FBOOKMARKS)) bookmarks = _mJov.getString(Json.FBOOKMARKS); // NOTE // Getting thumbnail URL from youtube video id requires downloanding and parsing. // It takes too much time. // So, a kind of HACK is used to get thumbnail URL from youtube video id. // see comments of 'YTHacker.getYtVideoThumbnailUrl()' for details. if (YTUtils.insertVideoToPlaylist(_mPlid, ytvid, title, author, playtm, volume, bookmarks)) err = Err.NO_ERR; } catch (JSONException e) { return Err.INVALID_SHARE; } finally { if (Err.NO_ERR == err) _mSuccess.incrementAndGet(); else _mFail.incrementAndGet(); } return err; } } /** * Root of type dependent JSONObject * @param jo */ ImporterPlaylist(JSONObject jo) { mJo = jo; mMtrunner = new MultiThreadRunner(Utils.getUiHandler(), Policy.YTIMPORT_MAX_LOAD_THUMBNAIL_THREAD); } private static String getUniqueSharePlaylistTitle(String shareTitle) { DB db = DB.get(); String baseTitle = shareTitle + "- share"; int i = 0; while (db.containsPlaylist(baseTitle + i++)); return baseTitle + --i; } @Override public ImportPrepareResult prepare() { ImportPrepareResult r = new ImportPrepareResult(); r.type = Type.PLAYLIST; try { r.message = mJo.getString(Json.FTITLE); r.err = Err.NO_ERR; } catch (JSONException e) { r.err = Err.INVALID_SHARE; } return r; } @Override public ImportResult execute(Object user, final OnProgressListener listener) { ImportResult ir = new ImportResult(); mMtrunner.setOnProgressListener(new MultiThreadRunner.OnProgressListener() { @Override public void onProgress(float prog) { listener.onProgress(prog); } }); try { final DB db = DB.get(); JSONArray jarr = mJo.getJSONArray(Json.FVIDEOS); String title = getUniqueSharePlaylistTitle(mJo.getString(Json.FTITLE)); // THUMBNAIL_YTVID is newly added at Database version 2. // So, we cannot sure that DB always has valid value for this field. final String thumbnailYtvid; if (mJo.has(Json.FTHUMBNAIL_YTVID)) thumbnailYtvid = mJo.getString(Json.FTHUMBNAIL_YTVID); else thumbnailYtvid = ""; ir.message = title; final long plid = db.insertPlaylist(title); if (plid < 0) throw new LocalException(Err.DB_UNKNOWN); float jobWeight = 1.0f / (jarr.length() + 1); // + 1 for loading playlist thumbnail. // Append job to load/insert playlist thumbnail. mMtrunner.appendJob(new MultiThreadRunner.Job<Err>(true, jobWeight) { @Override public Err doJob() { if (!Utils.isValidValue(thumbnailYtvid)) return Err.NO_ERR; // ignore for invalid thumbnail ytvid. YTSearchHelper.LoadThumbnailReturn ltr = YTUtils.loadYtVideoThumbnail(thumbnailYtvid); if (YTSearchHelper.Err.NO_ERR == ltr.err) { byte[] data = ImageUtils.compressBitmap(ltr.bm); db.updatePlaylist(plid, new ColPlaylist[] { ColPlaylist.THUMBNAIL, ColPlaylist.THUMBNAIL_YTVID }, new Object[] { data, thumbnailYtvid }); ltr.bm.recycle(); } // Ignore if fail to load thumbnail - it's very minor for usecase. return Err.NO_ERR; } }); // Append jobs to load/add videos for (int i = 0; i < jarr.length(); i++) { mMtrunner.appendJob(new ImportVideoJob(jobWeight, jarr.getJSONObject(i), plid, ir.success, ir.fail)); } mMtrunner.waitAllDone(); ir.err = Err.NO_ERR; } catch (IllegalArgumentException e) { ir.err = Err.INVALID_SHARE; } catch (JSONException e) { ir.err = Err.INVALID_SHARE; } catch (InterruptedException e) { ir.err = Err.INTERRUPTED; } catch (LocalException e) { ir.err = e.error(); } return ir; } @Override public void cancel() { mMtrunner.cancel(); } }