initial pdfbox-2 commit

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diff --git a/pdf-as-pdfbox-2/src/main/java/at/knowcenter/wag/egov/egiz/pdfbox2/pdf/PDFUtilities.java b/pdf-as-pdfbox-2/src/main/java/at/knowcenter/wag/egov/egiz/pdfbox2/pdf/PDFUtilities.java
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+/*******************************************************************************
+ * <copyright> Copyright 2014 by E-Government Innovation Center EGIZ, 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.
+ ******************************************************************************/
+/**
+ * <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.pdfbox2.pdf;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.List;
+
+import org.apache.pdfbox.cos.COSStream;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.PDPageTree;
+import org.apache.pdfbox.pdmodel.PDResources;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation;
+
+import at.gv.egiz.pdfas.common.exceptions.PDFIOException;
+
+/**
+ * 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, boolean legacy40)
+			throws PDFIOException {
+		// int last_page_id = document.getNumberOfPages();
+		PDPageTree allPages = document.getDocumentCatalog().getPages();
+		PDPage pdpage = allPages.get(page);
+		// pdpage.setRotation(pagerotation);
+		return calculatePageLength(pdpage, effectivePageHeight, legacy32, legacy40);
+	}
+
+	public static float calculatePageLength(PDPage page,
+			float effectivePageHeight, boolean legacy32, boolean legacy40) throws PDFIOException {
+		try {
+			PDFPage my_page = new PDFPage(effectivePageHeight, legacy32, legacy40);
+			//PDResources resources = page.getResources();
+			if (page.getContents() != null) {
+				//COSStream stream = page.getContents();
+				// List<PDThreadBead> articles = page.getThreadBeads();
+				// my_page.processMyPage(page);
+				//my_page.processStream(page, resources, stream); //TODO: pdfbox2 -> right?
+				my_page.processPage(page);
+			}
+			if (!legacy32) {
+				if (page.getAnnotations() != null) {
+					Iterator<PDAnnotation> annotationsIt = page
+							.getAnnotations().iterator();
+
+					while (annotationsIt.hasNext()) {
+						PDAnnotation annotation = annotationsIt.next();
+						if (!annotation.isInvisible()) {
+							my_page.processAnnotation(annotation);
+						}
+					}
+				}
+			}
+			return my_page.getMaxPageLength();
+		} catch (IOException e) {
+			throw new PDFIOException("error.pdf.stamp.11", e);
+		}
+	}
+
+}