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git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@210 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 18 insertions, 0 deletions

diff --git a/src/main/java/at/gv/egiz/pdfas/impl/input/CompoundPdfDataSourceImpl.java b/src/main/java/at/gv/egiz/pdfas/impl/input/CompoundPdfDataSourceImpl.java
index f77d6be..4f00bb5 100644
--- a/src/main/java/at/gv/egiz/pdfas/impl/input/CompoundPdfDataSourceImpl.java
+++ b/src/main/java/at/gv/egiz/pdfas/impl/input/CompoundPdfDataSourceImpl.java
@@ -43,5 +43,23 @@ public class CompoundPdfDataSourceImpl implements PdfDataSource
   {

     return this.originalDataSource.getLength() + this.appendix.length;

   }

+  

+  byte [] cache = null;

 

+  /**

+   * @see at.gv.egiz.pdfas.framework.input.DataSource#getAsByteArray()

+   */

+  public byte[] getAsByteArray()

+  {

+    if (cache != null)

+    {

+      return cache;

+    }

+    

+    cache = new byte [getLength()];

+    System.arraycopy(originalDataSource.getAsByteArray(), 0, cache, 0, originalDataSource.getLength());

+    System.arraycopy(appendix, 0, cache, originalDataSource.getLength(), appendix.length);

+    

+    return cache;

+  }

 }