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 the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
32 package mircoders.producer;
37 import mir.producer.*;
39 import mir.entity.adapter.*;
40 import mircoders.entity.*;
42 //because images are returned as a template model!
43 import freemarker.template.*;
46 public class PDFPreFormattingProducerNode implements ProducerNode {
47 private String contentKey;
49 public PDFPreFormattingProducerNode(String aContentKey) {
50 contentKey = aContentKey;
53 public void produce(Map aValueMap, String aVerb, PrintWriter aLogger) throws ProducerFailure {
58 data = ParameterExpander.findValueForKey( aValueMap, contentKey );
60 if (! (data instanceof EntityAdapter)) {
61 throw new ProducerFailure("ContentMarkingProducerNode: value of '"+contentKey+"' is not an EntityAdapter, but an " + data.getClass().getName(), null);
64 entity = ((EntityAdapter) data).getEntity();
65 if (! (entity instanceof EntityContent)) {
66 throw new ProducerFailure("ContentMarkingProducerNode: value of '"+contentKey+"' is not a content EntityAdapter, but a " + entity.getClass().getName() + " adapter", null);
69 int numLinesBetweenImages = 3;
70 float characterWidthCM = 0.17F;
71 float contentAreaWidthCM = 16;
72 float pixelWidthCM = .03F;
73 float lineHeightCM = .5F;
75 int numCharsInAnImagelessRow = (new Float(numLinesBetweenImages * (contentAreaWidthCM/characterWidthCM))).intValue();
78 //yikes! a templatemodel....why is freemarker in the backend?
79 TemplateModel images=entity.get("to_media_images");
81 HashMap row = new HashMap();
82 row.put("text",((EntityContent) entity).getValue("content_data").substring(0,numCharsInAnImagelessRow));
85 ArrayList brokenUpContent = new ArrayList();
88 brokenUpContent.add("hello");
89 brokenUpContent.add("goodbye");
91 ParameterExpander.setValueForKey(
93 "data.formatted_content",
94 new CachingRewindableIterator(brokenUpContent.iterator())
96 // aValueMap.put("test_content",((EntityContent) entity).getValue("content_data"));
100 aLogger.println("Error while formatting content for PDF: " + t.getMessage());
101 t.printStackTrace(aLogger);
103 throw new ProducerFailure(t.getMessage(), t);
107 public Set buildVerbSet() {
108 return new HashSet();