tests/test_ffi_java_string.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 module test_ffi_java_string
  18
  19 import java
  20
  21 class A
  22         fun bar(nstr: JavaString): JavaString
  23         do
  24                 print nstr.to_s
  25                 return "Also created in Nit".to_java_string
  26         end
  27
  28         fun foo(input: JavaString): JavaString import bar in "Java" `{
  29                 // Print string from Nit
  30                 System.out.println(input);
  31
  32                 // Callback Nit with string
  33                 String str = A_bar(self, "Created in Java");
  34                 System.out.println(str);
  35
  36                 // Send back a string
  37                 return "Also created in Java";
  38         `}
  39 end
  40
  41 var a = new A
  42 var java_string = a.foo("Created in Nit".to_java_string).to_s
  43 print java_string.to_s