Mercurial > hg > digilib-old

comparison servlet/src/digilib/pdf/PDFTitlePage.java @ 557:0885f5ca5b24 digilibPDF

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more refactoring and rearranging pdf and image generation works now
author robcast
date Thu, 16 Dec 2010 21:19:11 +0100
parents servlet/src/digilib/servlet/PDFTitlePage.java@bc9196347188
children 95417c4615b8 85e465e6a642
comparison
equal deleted inserted replaced
556:5cc180bb0a5c 557:0885f5ca5b24
1 package digilib.pdf;
2
3 import java.io.IOException;
4 import java.net.MalformedURLException;
5 import java.net.URL;
6
7 import org.apache.log4j.Logger;
8
9 import com.itextpdf.text.Anchor;
10 import com.itextpdf.text.BadElementException;
11 import com.itextpdf.text.Chunk;
12 import com.itextpdf.text.Element;
13 import com.itextpdf.text.FontFactory;
14 import com.itextpdf.text.Image;
15 import com.itextpdf.text.Paragraph;
16
17
18 import digilib.io.DigilibInfoReader;
19 import digilib.io.DocuDirCache;
20 import digilib.servlet.PDFCache;
21 import digilib.servlet.PDFRequest;
22
23 /** A class for the generation of title pages for the generated pdf documents.
24 *
25 *
26 */
27 public class PDFTitlePage {
28
29 private PDFRequest job_info = null;
30 private DigilibInfoReader info_reader= null;
31 private DocuDirCache dirCache = null;
32 protected static Logger logger = Logger.getLogger("digilib.servlet");
33
34
35 /**
36 * Initialize a TitlePage
37 * @param pdfji
38 */
39 public PDFTitlePage(PDFRequest pdfji){
40 job_info = pdfji;
41 dirCache = (DocuDirCache) job_info.getDlConfig().getValue("servlet.dir.cache");
42
43 String fn = getBase(dirCache.getDirectory(pdfji.getImageJobInformation().getAsString("fn")).getDir().getPath()) + "presentation/info.xml";
44
45 info_reader = new DigilibInfoReader(fn);
46 }
47
48 /**
49 * generate iText-PDF-Contents for the title page
50 *
51 * @return
52 */
53 public Element getPageContents(){
54 Paragraph content = new Paragraph();
55 content.setAlignment(Element.ALIGN_CENTER);
56
57 // add vertical whitespace
58 for(int i=0; i<8; i++){
59 content.add(Chunk.NEWLINE);
60 }
61
62
63 // add logo
64 content.add(getLogo());
65 content.add(Chunk.NEWLINE);
66 content.add(Chunk.NEWLINE);
67
68 // add title
69 Anchor title = new Anchor(new Paragraph(getTitle(),FontFactory.getFont(FontFactory.HELVETICA,16)));
70 String burl = job_info.getImageJobInformation().getAsString("base.url");
71
72 title.setReference(burl+"digilib.jsp?fn="+job_info.getImageJobInformation().getAsString("fn"));
73 content.add(title);
74 content.add(Chunk.NEWLINE);
75
76 // add author
77 if(getDate()!=" ")
78 content.add(new Paragraph(getAuthor()+" ("+getDate()+")",FontFactory.getFont(FontFactory.HELVETICA,14)));
79 else
80 content.add(new Paragraph(getAuthor(),FontFactory.getFont(FontFactory.HELVETICA,14)));
81
82 content.add(Chunk.NEWLINE);
83
84 // add page numbers
85 content.add(new Paragraph(getPages(), FontFactory.getFont(FontFactory.HELVETICA, 12)));
86
87
88 content.add(Chunk.NEWLINE);
89 content.add(Chunk.NEWLINE);
90 content.add(Chunk.NEWLINE);
91
92 // add credits
93 content.add(new Paragraph("MPIWG Berlin 2009", FontFactory.getFont(FontFactory.HELVETICA,10)));
94
95 // add digilib version
96 content.add(new Paragraph(getDigilibVersion(),FontFactory.getFont(FontFactory.HELVETICA,10)));
97
98 for(int i=0; i<8; i++){
99 content.add(Chunk.NEWLINE);
100 }
101 Anchor address = new Anchor(
102 new Paragraph(burl+"digilib.jsp?fn="+job_info.getImageJobInformation().getAsString("fn"), FontFactory.getFont(FontFactory.COURIER, 9))
103 );
104 address.setReference(burl+"digilib.jsp?fn="+job_info.getImageJobInformation().getAsString("fn"));
105
106 content.add(address);
107
108
109 return content;
110 }
111
112 /**
113 * return base directory of an image directory
114 *
115 * @param path
116 * @return
117 */
118 private String getBase(String path){
119 if(path.contains("/")){
120 String[] x = path.split("/");
121 String newpath = "";
122 for(int i=0; i<x.length-1; i++){
123 newpath += x[i]+"/";
124 }
125 return newpath;
126 }
127 else
128 return "";
129 }
130
131
132 /**
133 * Methods for the different attributes.
134 *
135 */
136
137
138 private Image getLogo(){
139 try {
140 URL url = new URL(job_info.getDlConfig().getAsString("pdf-logo"));
141 if(url!=null && !url.equals("")){
142 Image logo = Image.getInstance(url);
143 logo.setAlignment(Element.ALIGN_CENTER);
144 return logo;
145 }
146 } catch (BadElementException e) {
147 logger.error(e.getMessage());
148 e.printStackTrace();
149 } catch (MalformedURLException e) {
150 logger.error(e.getMessage());
151 e.printStackTrace();
152 } catch (IOException e) {
153 logger.error(e.getMessage());
154 e.printStackTrace();
155 }
156 return null;
157 }
158 private String getTitle(){
159 if(info_reader.hasInfo())
160 return info_reader.getAsString("title");
161 else
162 return job_info.getImageJobInformation().getAsString("fn");
163 }
164 private String getAuthor(){
165 if(info_reader.hasInfo())
166 return info_reader.getAsString("author");
167 else
168 return " ";
169 }
170 private String getDate(){
171 if(info_reader.hasInfo())
172 return info_reader.getAsString("date");
173 else
174 return " ";
175 }
176 private String getPages(){
177 return "Pages "+job_info.getAsString("pgs") + " (scan page numbers)";
178 }
179
180 private String getDigilibVersion(){
181 return "Digilib PDFMaker v."+PDFCache.version;
182 }
183
184 }