Mercurial > hg > digilib-old

comparison servlet/src/digilib/pdf/PDFTitlePage.java @ 594:85e465e6a642

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fixes for PDF generation
author robcast
date Fri, 07 Jan 2011 17:47:24 +0100
parents 0885f5ca5b24
children e8668edcb880
comparison
equal deleted inserted replaced
591:a667d2952aab 594:85e465e6a642
1 package digilib.pdf; 1 package digilib.pdf;
2 2
3 import java.io.File;
3 import java.io.IOException; 4 import java.io.IOException;
4 import java.net.MalformedURLException; 5 import java.net.MalformedURLException;
5 import java.net.URL; 6 import java.net.URL;
6 7
7 import org.apache.log4j.Logger; 8 import org.apache.log4j.Logger;
12 import com.itextpdf.text.Element; 13 import com.itextpdf.text.Element;
13 import com.itextpdf.text.FontFactory; 14 import com.itextpdf.text.FontFactory;
14 import com.itextpdf.text.Image; 15 import com.itextpdf.text.Image;
15 import com.itextpdf.text.Paragraph; 16 import com.itextpdf.text.Paragraph;
16 17
17
18 import digilib.io.DigilibInfoReader; 18 import digilib.io.DigilibInfoReader;
19 import digilib.io.DocuDirCache; 19 import digilib.io.FileOpException;
20 import digilib.servlet.PDFCache; 20 import digilib.servlet.PDFCache;
21 import digilib.servlet.PDFRequest; 21 import digilib.servlet.PDFRequest;
22 22
23 /** A class for the generation of title pages for the generated pdf documents. 23 /** A class for the generation of title pages for the generated pdf documents.
24 * 24 *
26 */ 26 */
27 public class PDFTitlePage { 27 public class PDFTitlePage {
28 28
29 private PDFRequest job_info = null; 29 private PDFRequest job_info = null;
30 private DigilibInfoReader info_reader= null; 30 private DigilibInfoReader info_reader= null;
31 private DocuDirCache dirCache = null;
32 protected static Logger logger = Logger.getLogger("digilib.servlet"); 31 protected static Logger logger = Logger.getLogger("digilib.servlet");
33 32
34 33
35 /** 34 /**
36 * Initialize a TitlePage 35 * Initialize a TitlePage
37 * @param pdfji 36 * @param pdfji
38 */ 37 */
39 public PDFTitlePage(PDFRequest pdfji){ 38 public PDFTitlePage(PDFRequest pdfji){
40 job_info = pdfji; 39 job_info = pdfji;
41 dirCache = (DocuDirCache) job_info.getDlConfig().getValue("servlet.dir.cache");
42 40
43 String fn = getBase(dirCache.getDirectory(pdfji.getImageJobInformation().getAsString("fn")).getDir().getPath()) + "presentation/info.xml"; 41 // use MPIWG-style info.xml
44 42 info_reader = getInfoXmlReader(pdfji);
45 info_reader = new DigilibInfoReader(fn);
46 } 43 }
44
45 /**
46 * @param pdfji
47 * @return
48 */
49 protected DigilibInfoReader getInfoXmlReader(PDFRequest pdfji) {
50 try {
51 // try to load ../presentation/info.xml
52 File imgDir = pdfji.getImageJobInformation().getFileDirectory().getDir();
53 File docDir = imgDir.getParentFile();
54 File infoFn = new File(new File(docDir, "presentation"), "info.xml");
55 return new DigilibInfoReader(infoFn.getAbsolutePath());
56 } catch (FileOpException e) {
57 logger.warn("info.xml not found");
58 }
59 return null;
60 }
47 61
48 /** 62 /**
49 * generate iText-PDF-Contents for the title page 63 * generate iText-PDF-Contents for the title page
50 * 64 *
51 * @return 65 * @return
56 70
57 // add vertical whitespace 71 // add vertical whitespace
58 for(int i=0; i<8; i++){ 72 for(int i=0; i<8; i++){
59 content.add(Chunk.NEWLINE); 73 content.add(Chunk.NEWLINE);
60 } 74 }
61
62 75
63 // add logo 76 // add logo
64 content.add(getLogo()); 77 content.add(getLogo());
65 content.add(Chunk.NEWLINE); 78 content.add(Chunk.NEWLINE);
66 content.add(Chunk.NEWLINE); 79 content.add(Chunk.NEWLINE);
87 100
88 content.add(Chunk.NEWLINE); 101 content.add(Chunk.NEWLINE);
89 content.add(Chunk.NEWLINE); 102 content.add(Chunk.NEWLINE);
90 content.add(Chunk.NEWLINE); 103 content.add(Chunk.NEWLINE);
91 104
92 // add credits
93 content.add(new Paragraph("MPIWG Berlin 2009", FontFactory.getFont(FontFactory.HELVETICA,10)));
94
95 // add digilib version 105 // add digilib version
96 content.add(new Paragraph(getDigilibVersion(),FontFactory.getFont(FontFactory.HELVETICA,10))); 106 content.add(new Paragraph(getDigilibVersion(),FontFactory.getFont(FontFactory.HELVETICA,10)));
97 107
98 for(int i=0; i<8; i++){ 108 for(int i=0; i<8; i++){
99 content.add(Chunk.NEWLINE); 109 content.add(Chunk.NEWLINE);
107 117
108 118
109 return content; 119 return content;
110 } 120 }
111 121
112 /** 122 /*
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. 123 * Methods for the different attributes.
134 * 124 *
135 */ 125 */
136
137 126
138 private Image getLogo(){ 127 private Image getLogo(){
139 try { 128 try {
140 URL url = new URL(job_info.getDlConfig().getAsString("pdf-logo")); 129 URL url = new URL(job_info.getDlConfig().getAsString("pdf-logo"));
141 if(url!=null && !url.equals("")){ 130 if(url!=null && !url.equals("")){
143 logo.setAlignment(Element.ALIGN_CENTER); 132 logo.setAlignment(Element.ALIGN_CENTER);
144 return logo; 133 return logo;
145 } 134 }
146 } catch (BadElementException e) { 135 } catch (BadElementException e) {
147 logger.error(e.getMessage()); 136 logger.error(e.getMessage());
148 e.printStackTrace();
149 } catch (MalformedURLException e) { 137 } catch (MalformedURLException e) {
150 logger.error(e.getMessage()); 138 logger.error(e.getMessage());
151 e.printStackTrace();
152 } catch (IOException e) { 139 } catch (IOException e) {
153 logger.error(e.getMessage()); 140 logger.error(e.getMessage());
154 e.printStackTrace();
155 } 141 }
156 return null; 142 return null;
157 } 143 }
144
158 private String getTitle(){ 145 private String getTitle(){
159 if(info_reader.hasInfo()) 146 if(info_reader.hasInfo())
160 return info_reader.getAsString("title"); 147 return info_reader.getAsString("title");
161 else 148 else
162 return job_info.getImageJobInformation().getAsString("fn"); 149 return job_info.getImageJobInformation().getAsString("fn");
163 } 150 }
151
164 private String getAuthor(){ 152 private String getAuthor(){
165 if(info_reader.hasInfo()) 153 if(info_reader.hasInfo())
166 return info_reader.getAsString("author"); 154 return info_reader.getAsString("author");
167 else 155 else
168 return " "; 156 return " ";
169 } 157 }
158
170 private String getDate(){ 159 private String getDate(){
171 if(info_reader.hasInfo()) 160 if(info_reader.hasInfo())
172 return info_reader.getAsString("date"); 161 return info_reader.getAsString("date");
173 else 162 else
174 return " "; 163 return " ";
175 } 164 }
165
176 private String getPages(){ 166 private String getPages(){
177 return "Pages "+job_info.getAsString("pgs") + " (scan page numbers)"; 167 return "Pages "+job_info.getAsString("pgs") + " (scan page numbers)";
178 } 168 }
179 169
180 private String getDigilibVersion(){ 170 private String getDigilibVersion(){