include special functionality in parsers for solvers and opt for additional file formats

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

src/api/java/Solver.java

@@ -1,3 +1,4 @@
+
 /**
 Copyright (c) 2012-2014 Microsoft Corporation
    
@@ -120,6 +121,23 @@ public class Solver extends Z3Object {
         }
     }
 
+    /**
+     * Load solver assertions from a file.
+     */
+    public void fromFile(String file) 
+    {
+        Native.solverFromFile(getContext().nCtx(), getNativeObject(), file);	
+    }
+
+    /**
+     * Load solver assertions from a string.
+     */
+    public void fromString(String str) 
+    {
+        Native.solverFromString(getContext().nCtx(), getNativeObject(), str);	
+    }
+
+
     /** 
      *  Assert multiple constraints into the solver, and track them (in the
      * unsat) core