diff options
| author | tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2006-12-01 12:20:24 +0000 |
|---|---|---|
| committer | tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2006-12-01 12:20:24 +0000 |
| commit | 6025b6016517c6d898d8957d1d7e03ba71431912 (patch) | |
| tree | b15bd6fa5ffe9588a9bca3f2b8a7e358f83b6eba /src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java | |
| parent | d2c77e820ab4aba8235d71275755021347b3ad10 (diff) | |
| download | pdf-as-3-6025b6016517c6d898d8957d1d7e03ba71431912.tar.gz pdf-as-3-6025b6016517c6d898d8957d1d7e03ba71431912.tar.bz2 pdf-as-3-6025b6016517c6d898d8957d1d7e03ba71431912.zip | |
Initial import of release 2.2.REL-2.2@923
git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
Diffstat (limited to 'src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java')
| -rw-r--r-- | src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java new file mode 100644 index 0000000..8fa3b35 --- /dev/null +++ b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java @@ -0,0 +1,89 @@ +/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ *
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ *
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ *
+ * $Id: PDFUtilities.java,v 1.3 2006/10/31 08:09:33 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.pdf;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+import org.pdfbox.pdfparser.PDFParser;
+import org.pdfbox.pdmodel.PDDocument;
+import org.pdfbox.pdmodel.PDPage;
+
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
+
+import com.lowagie.text.DocumentException;
+
+/**
+ * Contains useful helpers for accessing PDF documents.
+ *
+ * @author wprinz
+ */
+public abstract class PDFUtilities
+{
+ public static float calculateLastPageLength(final byte[] pdf) throws PDFDocumentException
+ {
+ try
+ {
+ ByteArrayInputStream original_bais = new ByteArrayInputStream(pdf);
+ byte [] normalized_pdf = TextualSignature.normalizePDF(original_bais);
+
+ ByteArrayInputStream bais = new ByteArrayInputStream(normalized_pdf);
+
+ PDFParser parser = new PDFParser(bais);
+ File temporary_dir = SettingsReader.getTemporaryDirectory();
+ parser.setTempDirectory(temporary_dir);
+ parser.parse();
+
+ PDDocument pdfDocument_ = parser.getPDDocument();
+ float last_page_length = calculateLastPageLength(pdfDocument_);
+ pdfDocument_.close();
+
+ return last_page_length;
+ }
+ catch (IOException e)
+ {
+ throw new PDFDocumentException(201, e);
+ }
+ catch (DocumentException e)
+ {
+ throw new PDFDocumentException(201, e);
+ }
+ }
+
+ public static float calculateLastPageLength(PDDocument document) throws IOException
+ {
+ int last_page_id = document.getNumberOfPages();
+ List allPages = document.getDocumentCatalog().getAllPages();
+ PDPage last_page = (PDPage) allPages.get(last_page_id - 1);
+
+ return calculatePageLength(last_page);
+ }
+
+ public static float calculatePageLength(PDPage page) throws IOException
+ {
+ // logger_.debug("Last Page id:" + last_page_id);
+ // PDPage last_page = (PDPage) allPages.get(0);
+ PDFPage my_page = new PDFPage();
+ my_page.processStream(page, page.findResources(), page.getContents().getStream());
+ return my_page.getMaxPageLength();
+ }
+
+}
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