2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
31 package mircoders.producer;
33 import mir.changetracker.ChangeTracker;
34 import mir.changetracker.ChangeType;
35 import mir.entity.Entity;
36 import mir.entity.adapter.EntityAdapter;
37 import mir.log.LoggerWrapper;
38 import mir.media.MediaHandler;
39 import mir.producer.AbstractProducerNode;
40 import mir.producer.ProducerExc;
41 import mir.util.ParameterExpander;
42 import mircoders.entity.EntityUploadedMedia;
43 import mircoders.global.MirGlobal;
44 import mircoders.media.MediaHelper;
45 import mircoders.storage.DatabaseUploadedMedia;
49 public class MediaGeneratingProducerNode extends AbstractProducerNode {
50 private String mediaEntityKey;
52 public MediaGeneratingProducerNode(String aMediaEntityKey) {
53 mediaEntityKey = aMediaEntityKey;
56 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) {
59 EntityUploadedMedia uploadedMediaEntity = null;
60 Entity mediaType = null;
61 MediaHandler currentMediaHandler;
64 data = ParameterExpander.findValueForKey( aValueMap, mediaEntityKey );
66 if (!(data instanceof EntityAdapter)) {
67 throw new ProducerExc("MediaGeneratingProducerNode: value of '" +
68 mediaEntityKey + "' is not an EntityAdapter, but an " + data.getClass().getName());
71 entity = ((EntityAdapter) data).getEntity();
72 if (!(entity instanceof EntityUploadedMedia)) {
73 throw new ProducerExc("MediaGeneratingProducerNode: value of '" +
74 mediaEntityKey + "' is not an uploaded media EntityAdapter, but a " +
75 entity.getClass().getName() + " adapter");
78 uploadedMediaEntity = (EntityUploadedMedia) entity;
80 mediaType = DatabaseUploadedMedia.getInstance().getMediaType(entity);
82 currentMediaHandler = MediaHelper.getHandler( mediaType );
83 currentMediaHandler.produce(entity, mediaType);
84 entity.setFieldValue("publish_server", currentMediaHandler.getPublishHost());
85 entity.setFieldValue("icon_is_produced", "1");
86 entity.setFieldValue("is_produced", "1");
89 // Inform the Change Reporter of the change
90 StringBuffer imagepath = new StringBuffer(currentMediaHandler.getBaseStoragePath());
91 imagepath.append(entity.getFieldValue("publish_path").substring(1));
92 ChangeTracker tracker = MirGlobal.getChangeEngine().getTracker();
93 tracker.addChange(imagepath.toString(), ChangeType.MODIFICATION);
95 // Log the icon change also
96 String iconpath = entity.getFieldValue("icon_path");
97 tracker.addChange(iconpath, ChangeType.MODIFICATION);
99 aLogger.info("media with id " + uploadedMediaEntity.getFieldValue("id") +
100 ", mediaType " + mediaType.getFieldValue("name") + " successfully produced");
102 catch (Throwable t) {
103 String message = "Error while generating media";
105 if (uploadedMediaEntity!=null)
106 message = message + " with id "+uploadedMediaEntity.getFieldValue("id");
107 if (mediaType!=null) {
108 message = message + ", mediaType " + mediaType.getFieldValue("name");
111 catch (Throwable s) {
114 message = message + ": " + t.getMessage();
115 aLogger.error(message);