generated EngineInterface started (need to merge in default now, there stuff has changed that causes problems now)

src/gen_java_Engine.ysl2

@@ -22,6 +22,19 @@ tstylesheet {
                 `` apply "basic"
             }
 
+            ||
+        document("foundation/pEp/jniadapter/{$cname}Interface.java", "text")
+            ||
+            package foundation.pEp.jniadapter;
+
+            import java.util.ArrayList;
+            import java.util.Vector;
+
+            public interface «$cname»Interface {
+                `` apply "method", mode=java_interface
+                `` apply "basic", mode=java_interface
+            }
+
             ||
     }
 
@@ -59,7 +72,25 @@ tstylesheet {
             }
         }
     }
-    
+
+    template "basic" mode=java_interface {
+        const "itype" call "toIntermediate" with "type", "@type";
+        const "jtype" call "toJava" with "type", "@type";
+
+        choose {
+            when "name(parm/*[1])='bytearray'"
+            ||
+            public native «$itype» «@name»(`apply "parm/*", mode=basic_iparm`);
+
+            ||
+            otherwise {
+            ||
+            public «$jtype» «@name»(`apply "parm/*", mode=basic_parm`);
+            ||
+            }
+        }
+    }
+
     template "*", mode=basic_parm_name choose {
         when "position() mod 2" {
             if "position() = 1 and name(.)='int'"
@@ -237,6 +268,19 @@ tstylesheet {
         ||
     }
 
+    template "method", mode=java_interface {
+        const "convert", "count(parm/stringlist|parm/stringpairlist|parm/string|parm/identity|parm/identitylist) > 0";
+        const "singlereturn", "count(parm/creates|parm/returns|parm/inout[../int]) = 1";
+        const "multireturn", "count(parm/creates|parm/returns|parm/inout[../int]) > 1";
+
+        ||
+        public `if "not($convert)" > native ``call "returnJava"` «@name»(
+        `` apply "parm[in|inout]", 2, mode=java
+            ) throws pEpException;
+
+        ||
+    }
+
     template "parm", mode=java {
         param "public", 0;
         const "dir", "name(*[1])";