1 files changed, 18 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/impl/input/FileBasedTextDataSourceImpl.java b/src/main/java/at/gv/egiz/pdfas/impl/input/FileBasedTextDataSourceImpl.java
index 6f6c7b4..1988519 100644
--- a/src/main/java/at/gv/egiz/pdfas/impl/input/FileBasedTextDataSourceImpl.java
+++ b/src/main/java/at/gv/egiz/pdfas/impl/input/FileBasedTextDataSourceImpl.java
@@ -13,6 +13,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
 import at.gv.egiz.pdfas.framework.input.TextDataSource;
+import at.gv.egiz.pdfas.impl.input.helper.DataSourceHelper;
 
 /**
  * @author wprinz
@@ -121,4 +122,21 @@ public class FileBasedTextDataSourceImpl implements TextDataSource, FileBased
     return (int) getFile().length();
   }
 
+  byte [] cache = null;
+  
+  /**
+   * @see at.gv.egiz.pdfas.framework.input.DataSource#getAsByteArray()
+   */
+  public byte[] getAsByteArray()
+  {
+    if (cache != null)
+    {
+      return cache;
+    }
+    
+    cache = DataSourceHelper.convertInputStreamToByteArray(createInputStream());
+    
+    return cache;
+  }
+
 }