Change Request "Document Correction"

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@239 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 57 insertions, 0 deletions

diff --git a/src/main/java/at/gv/egiz/pdfas/impl/input/correction/InternalCorrector.java b/src/main/java/at/gv/egiz/pdfas/impl/input/correction/InternalCorrector.java
new file mode 100644
index 0000000..409a600
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/impl/input/correction/InternalCorrector.java
@@ -0,0 +1,57 @@
+/**

+ * 

+ */

+package at.gv.egiz.pdfas.impl.input.correction;

+

+import java.io.ByteArrayOutputStream;

+import java.io.IOException;

+

+import at.gv.egiz.pdfas.exceptions.ErrorCode;

+import at.gv.egiz.pdfas.exceptions.framework.CorrectorException;

+import at.gv.egiz.pdfas.framework.input.PdfDataSource;

+import at.gv.egiz.pdfas.framework.input.correction.Corrector;

+import at.gv.egiz.pdfas.impl.input.ByteArrayPdfDataSourceImpl;

+

+import com.lowagie.text.DocumentException;

+import com.lowagie.text.pdf.PdfReader;

+import com.lowagie.text.pdf.PdfStamper;

+

+/**

+ * Corrects a document using iText.

+ * 

+ * @author wprinz

+ */

+public class InternalCorrector implements Corrector

+{

+

+  /**

+   * @see at.gv.egiz.pdfas.framework.input.correction.Corrector#correctDocument(at.gv.egiz.pdfas.framework.input.PdfDataSource)

+   */

+  public PdfDataSource correctDocument(PdfDataSource document) throws CorrectorException

+  {

+    try

+    {

+      byte[] pdf = document.getAsByteArray();

+      PdfReader reader = new PdfReader(pdf);

+

+      ByteArrayOutputStream baos = new ByteArrayOutputStream(pdf.length);

+

+      PdfStamper stamper = new PdfStamper(reader, baos, '\0', false);

+      stamper.close();

+

+      baos.close();

+      byte[] corrected_pdf = baos.toByteArray();

+

+      return new ByteArrayPdfDataSourceImpl(corrected_pdf);

+    }

+    catch (DocumentException e)

+    {

+      throw new CorrectorException(ErrorCode.CORRECTOR_EXCEPTION, e);

+    }

+    catch (IOException e)

+    {

+      throw new CorrectorException(ErrorCode.CORRECTOR_EXCEPTION, e);

+    }

+  }

+

+}