--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlet/src/main/java/digilib/pdf/PDFTitlePage.java	Tue Apr 19 18:44:25 2011 +0200
@@ -0,0 +1,173 @@
+package digilib.pdf;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import org.apache.log4j.Logger;
+
+import com.itextpdf.text.Anchor;
+import com.itextpdf.text.BadElementException;
+import com.itextpdf.text.Chunk;
+import com.itextpdf.text.Element;
+import com.itextpdf.text.FontFactory;
+import com.itextpdf.text.Image;
+import com.itextpdf.text.Paragraph;
+
+import digilib.io.FileOpException;
+import digilib.servlet.PDFCache;
+import digilib.servlet.PDFRequest;
+
+/** A class for the generation of title pages for the generated pdf documents.
+ * 
+ * 
+ */
+public class PDFTitlePage {
+	
+	private PDFRequest job_info = null;
+	private DigilibInfoReader info_reader= null;
+	protected static Logger logger = Logger.getLogger("digilib.servlet");
+
+	
+	/**
+	 * Initialize a TitlePage
+	 * @param pdfji
+	 */
+	public PDFTitlePage(PDFRequest pdfji){
+		job_info = pdfji;
+
+		// use MPIWG-style info.xml
+        info_reader = getInfoXmlReader(pdfji);
+	}
+
+    /**
+     * @param pdfji
+     * @return 
+     */
+    protected DigilibInfoReader getInfoXmlReader(PDFRequest pdfji) {
+        try {
+            // try to load ../presentation/info.xml
+            File imgDir = pdfji.getImageJobInformation().getFileDirectory().getDir();
+            File docDir = imgDir.getParentFile();
+            File infoFn = new File(new File(docDir, "presentation"), "info.xml");
+            return new DigilibInfoReader(infoFn.getAbsolutePath());
+        } catch (FileOpException e) {
+            logger.warn("info.xml not found");
+        }
+        return null;
+    }
+	
+	/**
+	 * generate iText-PDF-Contents for the title page
+	 * 
+	 * @return
+	 */
+	public Element getPageContents(){
+		Paragraph content = new Paragraph();
+		content.setAlignment(Element.ALIGN_CENTER);
+
+		// add vertical whitespace
+		for(int i=0; i<8; i++){
+			content.add(Chunk.NEWLINE);
+		}
+		
+		// add logo
+		content.add(getLogo());
+		content.add(Chunk.NEWLINE);
+		content.add(Chunk.NEWLINE);
+
+		// add title
+		Anchor title = new Anchor(new Paragraph(getTitle(),FontFactory.getFont(FontFactory.HELVETICA,16)));
+		String burl = job_info.getImageJobInformation().getAsString("base.url");
+		
+		title.setReference(burl+"digilib.jsp?fn="+job_info.getImageJobInformation().getAsString("fn"));
+		content.add(title);		
+		content.add(Chunk.NEWLINE);
+
+		// add author
+		if(getDate()!=" ")
+			content.add(new Paragraph(getAuthor()+" ("+getDate()+")",FontFactory.getFont(FontFactory.HELVETICA,14)));
+		else
+			content.add(new Paragraph(getAuthor(),FontFactory.getFont(FontFactory.HELVETICA,14)));
+		
+		content.add(Chunk.NEWLINE);
+		
+		// add page numbers
+		content.add(new Paragraph(getPages(), FontFactory.getFont(FontFactory.HELVETICA, 12)));
+
+
+		content.add(Chunk.NEWLINE);
+		content.add(Chunk.NEWLINE);
+		content.add(Chunk.NEWLINE);
+
+		// add digilib version
+		content.add(new Paragraph(getDigilibVersion(),FontFactory.getFont(FontFactory.HELVETICA,10)));
+
+		for(int i=0; i<8; i++){
+			content.add(Chunk.NEWLINE);
+		}
+		Anchor address = new Anchor(
+				new Paragraph(burl+"digilib.jsp?fn="+job_info.getImageJobInformation().getAsString("fn"), FontFactory.getFont(FontFactory.COURIER, 9))
+									);
+		address.setReference(burl+"digilib.jsp?fn="+job_info.getImageJobInformation().getAsString("fn"));
+		
+		content.add(address);
+
+		
+		return content;
+	}
+	
+	/*
+	 * Methods for the different attributes.
+	 * 
+	 */
+	
+	private Image getLogo(){
+		try {
+			URL url = new URL(job_info.getDlConfig().getAsString("pdf-logo"));
+			if(url!=null && !url.equals("")){
+				Image logo = Image.getInstance(url);
+				logo.setAlignment(Element.ALIGN_CENTER);
+				return logo;
+			}
+		} catch (BadElementException e) {
+			logger.error(e.getMessage());
+		} catch (MalformedURLException e) {
+			logger.error(e.getMessage());
+		} catch (IOException e) {
+			logger.error(e.getMessage());
+		}
+		return null;
+	}
+	
+	private String getTitle(){
+		if(info_reader.hasInfo())
+			return info_reader.getAsString("title");
+		else
+			return job_info.getImageJobInformation().getAsString("fn");
+	}
+	
+	private String getAuthor(){
+		if(info_reader.hasInfo())
+			return info_reader.getAsString("author");
+		else
+			return " ";
+	}
+	
+	private String getDate(){
+		if(info_reader.hasInfo())
+			return info_reader.getAsString("date");
+		else
+			return " ";
+	}
+	
+	private String getPages(){
+		return "Pages "+job_info.getAsString("pgs") + " (scan page numbers)";
+	}
+
+	private String getDigilibVersion(){
+		return "Digilib PDFMaker v."+PDFCache.version;
+	}
+	
+}