some pdf experiments

src/main/java/net/faustedition/gen/PdfMerger.java

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+package net.faustedition.gen;
+
+import com.itextpdf.kernel.pdf.PdfDocument;
+import com.itextpdf.kernel.pdf.PdfReader;
+import com.itextpdf.kernel.pdf.PdfWriter;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class PdfMerger {
+
+    public static void main(String[] argv) {
+        final PdfWriter writer;
+        try {
+            writer = new PdfWriter("/tmp/out.pdf");
+            writer.setSmartMode(true);
+            final PdfDocument pdfDocument = new PdfDocument(writer);
+            pdfDocument.initializeOutlines();
+            Path root = Paths.get("/home/tv/git/faust-gen/target/www/transcript/diplomatic/2_H");
+
+            for (int i = 1; i < 390; i++) {
+                PdfDocument addedDoc = new PdfDocument(new PdfReader(root.resolve(String.format("page_%d.pdf", i)).toString()));
+                addedDoc.copyPagesTo(1, addedDoc.getNumberOfPages(), pdfDocument);
+                addedDoc.close();
+            }
+            pdfDocument.close();
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/net/faustedition/gen/PdfMergerBoxBased.java

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+package net.faustedition.gen;
+
+import org.apache.pdfbox.io.MemoryUsageSetting;
+import org.apache.pdfbox.multipdf.PDFMergerUtility;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class PdfMergerBoxBased {
+
+
+    public static void main(String[] argv) {
+        final PDFMergerUtility merger = new PDFMergerUtility();
+        merger.setDestinationFileName("/tmp/2_H_box.pdf");
+        final Path root = Paths.get("/home/tv/git/faust-gen/target/www/transcript/diplomatic/2_H");
+        for (int i = 1; i < 390; i++) {
+            try {
+                merger.addSource(root.resolve(String.format("page_%d.pdf", i)).toFile());
+            } catch (FileNotFoundException e) {
+                System.err.println("file not found" + e.getMessage());
+            }
+        }
+        try {
+            merger.mergeDocuments(MemoryUsageSetting.setupMainMemoryOnly());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+}