Java tutorial
/* * PS3 Media Server, for streaming any medias to your PS3. * Copyright (C) 2008 A.Brochard * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; version 2 * of the License only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package net.pms.dlna; import com.sun.jna.Platform; import net.pms.PMS; import net.pms.configuration.PmsConfiguration; import net.pms.formats.Format; import net.pms.formats.FormatFactory; import net.pms.util.FileUtil; import net.pms.util.ProcessUtil; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.*; import java.util.ArrayList; public class RealFile extends MapFile { private static final Logger logger = LoggerFactory.getLogger(RealFile.class); private static final PmsConfiguration configuration = PMS.getConfiguration(); public RealFile(File file) { getConf().getFiles().add(file); setLastModified(file.lastModified()); } public RealFile(File file, String name) { getConf().getFiles().add(file); getConf().setName(name); setLastModified(file.lastModified()); } @Override // FIXME: this is called repeatedly for invalid files e.g. files MediaInfo can't parse public boolean isValid() { File file = this.getFile(); resolveFormat(); if (getType() == Format.VIDEO && file.exists() && configuration.isAutoloadExternalSubtitles() && file.getName().length() > 4) { setSrtFile(FileUtil.isSubtitlesExists(file, null)); } boolean valid = file.exists() && (getFormat() != null || file.isDirectory()); if (valid && getParent().getDefaultRenderer() != null && getParent().getDefaultRenderer().isMediaParserV2()) { // we need to resolve the DLNA resource now run(); if (getMedia() != null && getMedia().getThumb() == null && getType() != Format.AUDIO) { // MediaInfo retrieves cover art now getMedia().setThumbready(false); } // Given that here getFormat() has already matched some (possibly plugin-defined) format: // Format.UNKNOWN + bad parse = inconclusive // known types + bad parse = bad/encrypted file if (getType() != Format.UNKNOWN && getMedia() != null && (getMedia().isEncrypted() || getMedia().getContainer() == null || getMedia().getContainer().equals(DLNAMediaLang.UND))) { valid = false; if (getMedia().isEncrypted()) { logger.info("The file {} is encrypted. It will be hidden", file.getAbsolutePath()); } else { logger.info("The file {} could not be parsed. It will be hidden", file.getAbsolutePath()); } } // XXX isMediaParserV2ThumbnailGeneration is only true for the "default renderer" if (getParent().getDefaultRenderer().isMediaParserV2ThumbnailGeneration()) { checkThumbnail(); } } return valid; } @Override public InputStream getInputStream() { try { return new FileInputStream(getFile()); } catch (FileNotFoundException e) { logger.debug("File not found: {}", getFile().getAbsolutePath()); } return null; } @Override public long length() { if (getPlayer() != null && getPlayer().type() != Format.IMAGE) { return DLNAMediaInfo.TRANS_SIZE; } else if (getMedia() != null && getMedia().isMediaparsed()) { return getMedia().getSize(); } return getFile().length(); } @Override public boolean isFolder() { return getFile().isDirectory(); } public File getFile() { return getConf().getFiles().get(0); } @Override public String getName() { if (this.getConf().getName() == null) { String name = null; File file = getFile(); if (file.getName().trim().isEmpty()) { if (Platform.isWindows()) { name = PMS.get().getRegistry().getDiskLabel(file); } if (name != null && name.length() > 0) { name = file.getAbsolutePath().substring(0, 1) + ":\\ [" + name + "]"; } else { name = file.getAbsolutePath().substring(0, 1); } } else { name = file.getName(); } this.getConf().setName(name); } return this.getConf().getName(); } @Override protected void resolveFormat() { if (getFormat() == null) { setFormat(FormatFactory.getAssociatedFormat(getFile().getAbsolutePath())); } super.resolveFormat(); } @Override public String getSystemName() { return ProcessUtil.getShortFileNameIfWideChars(getFile().getAbsolutePath()); } @Override public void resolve() { File file = getFile(); if (file.isFile() && (getMedia() == null || !getMedia().isMediaparsed())) { boolean found = false; InputFile input = new InputFile(); input.setFile(file); String fileName = file.getAbsolutePath(); if (getSplitTrack() > 0) { fileName += "#SplitTrack" + getSplitTrack(); } if (configuration.getUseCache()) { DLNAMediaDatabase database = PMS.get().getDatabase(); if (database != null) { ArrayList<DLNAMediaInfo> medias = database.getData(fileName, file.lastModified()); if (medias != null && medias.size() == 1) { setMedia(medias.get(0)); getMedia().finalize(getType(), input); found = true; } } } if (!found) { if (getMedia() == null) { setMedia(new DLNAMediaInfo()); } found = !getMedia().isMediaparsed() && !getMedia().isParsing(); if (getFormat() != null) { getFormat().parse(getMedia(), input, getType(), getParent().getDefaultRenderer()); } else { // Don't think that will ever happen getMedia().parse(input, getFormat(), getType(), false); } if (found && configuration.getUseCache()) { DLNAMediaDatabase database = PMS.get().getDatabase(); if (database != null) { database.insertData(fileName, file.lastModified(), getType(), getMedia()); } } } } } @Override public String getThumbnailContentType() { return super.getThumbnailContentType(); } @Override public InputStream getThumbnailInputStream() throws IOException { File file = getFile(); File cachedThumbnail = null; if (getParent() != null && getParent() instanceof RealFile) { cachedThumbnail = ((RealFile) getParent()).getPotentialCover(); File thumbFolder = null; boolean alternativeCheck = false; while (cachedThumbnail == null) { if (thumbFolder == null && getType() != Format.IMAGE) { thumbFolder = file.getParentFile(); } cachedThumbnail = FileUtil.getFileNameWithNewExtension(thumbFolder, file, "jpg"); if (cachedThumbnail == null) { cachedThumbnail = FileUtil.getFileNameWithNewExtension(thumbFolder, file, "png"); } if (cachedThumbnail == null) { cachedThumbnail = FileUtil.getFileNameWithAddedExtension(thumbFolder, file, ".cover.jpg"); } if (cachedThumbnail == null) { cachedThumbnail = FileUtil.getFileNameWithAddedExtension(thumbFolder, file, ".cover.png"); } if (alternativeCheck) { break; } if (StringUtils.isNotBlank(configuration.getAlternateThumbFolder())) { thumbFolder = new File(configuration.getAlternateThumbFolder()); if (!thumbFolder.isDirectory()) { thumbFolder = null; break; } } alternativeCheck = true; } if (file.isDirectory()) { cachedThumbnail = FileUtil.getFileNameWithNewExtension(file.getParentFile(), file, "/folder.jpg"); if (cachedThumbnail == null) { cachedThumbnail = FileUtil.getFileNameWithNewExtension(file.getParentFile(), file, "/folder.png"); } } } boolean hasAlreadyEmbeddedCoverArt = getType() == Format.AUDIO && getMedia() != null && getMedia().getThumb() != null; if (cachedThumbnail != null && (!hasAlreadyEmbeddedCoverArt || file.isDirectory())) { return new FileInputStream(cachedThumbnail); } else if (getMedia() != null && getMedia().getThumb() != null) { return getMedia().getThumbnailInputStream(); } else { return super.getThumbnailInputStream(); } } @Override public void checkThumbnail() { InputFile input = new InputFile(); input.setFile(getFile()); checkThumbnail(input); } @Override protected String getThumbnailURL() { if (getType() == Format.IMAGE && !configuration.getImageThumbnailsEnabled()) { return null; } StringBuilder sb = new StringBuilder(); sb.append(PMS.get().getServer().getURL()); sb.append("/"); if (getMedia() != null && getMedia().getThumb() != null) { return super.getThumbnailURL(); } else if (getType() == Format.AUDIO) { if (getParent() != null && getParent() instanceof RealFile && ((RealFile) getParent()).getPotentialCover() != null) { return super.getThumbnailURL(); } return null; } return super.getThumbnailURL(); } }