1 files changed, 72 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java
new file mode 100644
index 00000000..7f223b40
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java
@@ -0,0 +1,72 @@
+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ *
+ * $Id: PDFUtilities.java,v 1.3 2006/10/31 08:09:33 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.pdf;
+
+import java.io.IOException;
+import java.util.List;
+
+import at.gv.egiz.pdfas.common.exceptions.PDFIOException;
+import org.apache.pdfbox.cos.COSStream;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.PDResources;
+import org.apache.pdfbox.pdmodel.interactive.pagenavigation.PDThreadBead;
+
+
+/**
+ * Contains useful helpers for accessing PDF documents.
+ *
+ * @author wprinz
+ * @author mruhmer
+ */
+public abstract class PDFUtilities
+{
+    public static float calculatePageLength(PDDocument document, int page, float effectivePageHeight, /*int pagerotation,*/ boolean legacy32) throws PDFIOException {
+	    //int last_page_id = document.getNumberOfPages();
+	    List allPages = document.getDocumentCatalog().getAllPages();
+	    PDPage pdpage = (PDPage) allPages.get(page);
+	    //pdpage.setRotation(pagerotation);
+	    return calculatePageLength(pdpage, effectivePageHeight, legacy32);
+	}
+
+    public static float calculatePageLength(PDPage page, float effectivePageHeight, boolean legacy32) throws PDFIOException
+    {
+        try{
+            PDFPage my_page = new PDFPage(effectivePageHeight, legacy32);
+            PDResources resources = page.findResources();
+            COSStream stream = page.getContents().getStream();
+            //List<PDThreadBead> articles = page.getThreadBeads();
+            //my_page.processMyPage(page);
+            my_page.processStream(page, resources, stream);
+            return my_page.getMaxPageLength();
+        }
+        catch (IOException e)
+        {
+            throw new PDFIOException("calculatePageLength", e);
+        }
+    }
+
+}