X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmircoders%2Fmedia%2FAbstractMediaHandler.java;fp=source%2Fmircoders%2Fmedia%2FAbstractMediaHandler.java;h=e3e22121c8c9a96b7b5ef5d8fbd7000aae240181;hb=c9ac8fa71b679f8d967aac901bbef945c13b94c9;hp=05db1edc4c23b29e9267bf2e7b205a9c3519a88d;hpb=d63595f89aaa4b6a524dc0b4af9e0eef888f4c6b;p=mir.git diff --git a/source/mircoders/media/AbstractMediaHandler.java b/source/mircoders/media/AbstractMediaHandler.java index 05db1edc..e3e22121 100755 --- a/source/mircoders/media/AbstractMediaHandler.java +++ b/source/mircoders/media/AbstractMediaHandler.java @@ -1,60 +1,93 @@ -/* - * Copyright (C) 2001, 2002 The Mir-coders group - * - * This file is part of Mir. - * - * Mir 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; either version 2 of the License, or - * (at your option) any later version. - * - * Mir 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 Mir; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * In addition, as a special exception, The Mir-coders gives permission to link - * the code of this program with any library licensed under the Apache Software License, - * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library - * (or with modified versions of the above that use the same license as the above), - * and distribute linked combinations including the two. You must obey the - * GNU General Public License in all respects for all of the code used other than - * the above mentioned libraries. If you modify this file, you may extend this - * exception to your version of the file, but you are not obligated to do so. - * If you do not wish to do so, delete this exception statement from your version. - */ -package mircoders.media; - -import mir.media.MediaHandler; -import mir.media.MediaExc; -import mir.media.MediaFailure; -import mir.entity.Entity; -import mir.misc.StringUtil; - -import java.io.File; - -public abstract class AbstractMediaHandler implements MediaHandler { - public File getStorageFile(Entity aMedia, Entity aMediaType) throws MediaExc, MediaFailure { - return new File(new File(getStoragePath()), getRelativeStorageFile(aMedia, aMediaType)); - } - - public String getRelativeStorageFile(Entity aMedia, Entity aMediaType) throws MediaExc, MediaFailure { - String publishPath = aMedia.getFieldValue("publish_path"); - - if (publishPath==null || publishPath.length()==0) { - String extension = aMediaType.getFieldValue("name"); - String mediaFileName = aMedia.getId() + "." + extension; - String date = aMedia.getFieldValue("date"); - String datePath = StringUtil.webdbDate2path(date); - return (new File(datePath, mediaFileName)).getPath(); - } - else { - return publishPath; - } - } - -} +/* + * Copyright (C) 2001, 2002 The Mir-coders group + * + * This file is part of Mir. + * + * Mir 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; either version 2 of the License, or + * (at your option) any later version. + * + * Mir 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 Mir; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * In addition, as a special exception, The Mir-coders gives permission to link + * the code of this program with any library licensed under the Apache Software License, + * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library + * (or with modified versions of the above that use the same license as the above), + * and distribute linked combinations including the two. You must obey the + * GNU General Public License in all respects for all of the code used other than + * the above mentioned libraries. If you modify this file, you may extend this + * exception to your version of the file, but you are not obligated to do so. + * If you do not wish to do so, delete this exception statement from your version. + */ +package mircoders.media; + +import mir.changetracker.ChangeTracker; +import mir.changetracker.ChangeType; +import mir.entity.Entity; +import mir.media.MediaExc; +import mir.media.MediaFailure; +import mir.media.MediaHandler; +import mir.misc.StringUtil; +import mircoders.global.MirGlobal; + +import java.io.*; + +public abstract class AbstractMediaHandler implements MediaHandler { + protected InputStream getStorageInputStream(Entity aMedia, Entity aMediaType) throws MediaExc, MediaFailure { + try { + return new FileInputStream(getMediaStorageFile(aMedia, aMediaType)); + } + catch (Throwable e) { + throw new MediaFailure(e); + } + } + + protected OutputStream getStorageOutputStream(Entity aMedia, Entity aMediaType) throws MediaExc, MediaFailure { + try { + return new FileOutputStream(getMediaStoragePath(aMedia, aMediaType)); + } + catch (Throwable e) { + throw new MediaFailure(e); + } + } + + protected String getRelativeMediaStoragePath(Entity aMedia, Entity aMediaType) { + String publishPath = aMedia.getFieldValue("publish_path"); + + if (publishPath==null || publishPath.length()==0) { + String extension = aMediaType.getFieldValue("name"); + String mediaFileName = aMedia.getId() + "." + extension; + String date = aMedia.getFieldValue("date"); + String datePath = StringUtil.webdbDate2path(date); + + return datePath + "/" + mediaFileName; + } + + return publishPath; + } + + protected String getMediaStoragePath(Entity aMedia, Entity aMediaType) throws MediaExc, MediaFailure { + return getBaseStoragePath() + "/" + getRelativeMediaStoragePath(aMedia, aMediaType); + } + + protected final File getMediaStorageFile(Entity aMedia, Entity aMediaType) throws MediaExc, MediaFailure { + return new File(getMediaStoragePath(aMedia, aMediaType)); + } + + /* + * Report filesystem changes to the ChangeTracker. + */ + protected void reportChange(String imagePath) { + ChangeTracker tracker = MirGlobal.getChangeEngine().getTracker(); + tracker.addChange(imagePath, ChangeType.MODIFICATION); + } + +}