1 files changed, 32 insertions, 31 deletions

diff --git a/src/org/apache/fop/pdf/PDFAction.java b/src/org/apache/fop/pdf/PDFAction.java
index 2fa668599..238f936d8 100644
--- a/src/org/apache/fop/pdf/PDFAction.java
+++ b/src/org/apache/fop/pdf/PDFAction.java
@@ -52,49 +52,50 @@
 package org.apache.fop.pdf;
 
 /**
- * class representing a /Action object.
+ * class representing an action object.
  */
-public class PDFAction extends PDFObject {
-
-    /** the file specification */
-    protected PDFFileSpec fileSpec;
+public abstract class PDFAction extends PDFObject {
 
+    
     /**
-     * create an /Action object.
+     * create an Action object.
+     * this constructor is used for passing on the object number to the PDFObject
      *
-     * @param number the object's number
-     * @param fileSpec the fileSpec associated with the action
+     * @param number the object's number     
      */
-    public PDFAction(int number, PDFFileSpec fileSpec) {
+    public PDFAction(int number) {
 
 	/* generic creation of object */
-	super(number);
-	
-	this.fileSpec = fileSpec;
+	super(number);	    
+    }
+
+    /**
+     * empty constructor for PDFAction.
+     * this constructor is used when there is no additional object being created
+     *     
+     */
+    public PDFAction()
+    {
     }
 
     /**
+     * represent the action to call
+     * this method should be implemented to return the action which gets
+     * called by the Link Object.  This could be a reference to another object
+     * or the specific destination of the link
+     *
+     * @return the action to place next to /A within a Link
+     */
+    abstract public String getAction();
+    
+
+    /**
      * represent the object in PDF
+     * this method should be implemented to return the PDF which is to be
+     * generated by the Action object
      *
      * @return the PDF string
      */
-    public String toPDF() {
-	String p = new String(this.number + " " + this.generation +
-			      " obj\n" +
-			      "<<\n/S /GoToR\n" +
-			      "/F " + fileSpec.referencePDF() + "\n" +
-			      "/D [ 0 /XYZ null null null ]" +
-			      " \n>>\nendobj\n"); 
-	return p;
-    }
+    abstract public String toPDF();
 
-    /* example
-       28 0 obj
-       << 
-       /S /GoToR 
-       /F 29 0 R 
-       /D [ 0 /XYZ -6 797 null ] 
-       >> 
-       endobj
-    */
-}
+    }