1 files changed, 16 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSource.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSource.java
index 73487c7b..093a3777 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSource.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/DataSource.java
@@ -1,6 +1,22 @@
 package at.gv.egiz.pdfas.lib.api;
 
+/**
+ * Data Source interface
+ *
+ * All data sources in PDF-AS implement this interface. Also custom data sources have to 
+ * implement this interface to allow PDF-AS to use them.
+ */
 public interface DataSource {
+	
+	/**
+	 * Gets the MIME Type of the contained data.
+	 * @return MIME Type
+	 */
 	public String getMIMEType();
+	
+	/**
+	 * Gets the contained data
+	 * @return the contained data
+	 */
     public byte[] getByteData();
 }