1 files changed, 109 insertions, 0 deletions
diff --git a/Examples/java/multimap/example.i b/Examples/java/multimap/example.i
new file mode 100644
index 0000000..8d67282
--- /dev/null
+++ b/Examples/java/multimap/example.i
@@ -0,0 +1,109 @@
+/* File : example.i */
+%module example
+
+%{
+extern int gcd(int x, int y);
+extern int gcdmain(int argc, char *argv[]);
+extern int count(char *bytes, int len, char c);
+extern void capitalize (char *str, int len);
+extern void circle (double cx, double cy);
+extern int squareCubed (int n, int *OUTPUT);
+%}
+
+extern int    gcd(int x, int y);
+
+%typemap(jni) (int argc, char *argv[]) "jobjectArray"
+%typemap(jtype) (int argc, char *argv[]) "String[]"
+%typemap(jstype) (int argc, char *argv[]) "String[]"
+
+%typemap(javain) (int argc, char *argv[]) "$javainput"
+
+%typemap(in) (int argc, char *argv[]) (jstring *jsarray) {
+int i;
+
+  $1 = (*jenv)->GetArrayLength(jenv, $input);
+  if ($1 == 0) {
+    SWIG_JavaThrowException(jenv, SWIG_JavaIndexOutOfBoundsException, "Array must contain at least 1 element");
+    return $null;
+  }
+  $2 = (char **) malloc(($1+1)*sizeof(char *));
+  jsarray = (jstring *) malloc($1*sizeof(jstring));
+  for (i = 0; i < $1; i++) {
+    jsarray[i] = (jstring) (*jenv)->GetObjectArrayElement(jenv, $input, i);
+    $2[i] = (char *) (*jenv)->GetStringUTFChars(jenv, jsarray[i], 0);
+  }
+  $2[i] = 0;
+}
+
+%typemap(argout) (int argc, char *argv[]) "" /* override char *[] default */
+
+%typemap(freearg) (int argc, char *argv[]) {
+int i;
+  for (i = 0; i < $1; i++) {
+    (*jenv)->ReleaseStringUTFChars(jenv, jsarray$argnum[i], $2[i]);
+  }
+  free($2);
+}
+
+extern int gcdmain(int argc, char *argv[]);
+
+%typemap(jni) (char *bytes, int len) "jstring"
+%typemap(jtype) (char *bytes, int len) "String"
+%typemap(jstype) (char *bytes, int len) "String"
+
+%typemap(javain) (char *bytes, int len) "$javainput"
+
+%typemap(in) (char *bytes, int len) {
+  $1 = ($1_type)(*jenv)->GetStringUTFChars(jenv, $input, 0);
+  $2 = (*jenv)->GetStringUTFLength(jenv, $input);
+}
+
+%typemap(freearg) (char *bytes, int len) %{
+  (*jenv)->ReleaseStringUTFChars(jenv, $input, $1);
+%}
+
+extern int count(char *bytes, int len, char c);
+
+/* This example shows how to wrap a function that mutates a c string. A one
+ * element Java string array is used so that the string can be returned modified.*/
+
+%typemap(jni) (char *str, int len) "jobjectArray"
+%typemap(jtype) (char *str, int len) "String[]"
+%typemap(jstype) (char *str, int len) "String[]"
+
+%typemap(javain) (char *str, int len) "$javainput"
+
+%typemap(in) (char *str, int len) (jstring js) {
+  int index = 0;
+  js = (jstring) (*jenv)->GetObjectArrayElement(jenv, $input, index);
+  $1 = (char *) (*jenv)->GetStringUTFChars(jenv, js, 0);
+  $2 = (*jenv)->GetStringUTFLength(jenv, js);
+}
+
+/* Return the mutated string as a modified element in the array. */
+%typemap(argout) (char *str, int len) {
+  jstring newstring = (*jenv)->NewStringUTF(jenv, $1);
+  (*jenv)->SetObjectArrayElement(jenv, $input, 0, newstring);
+}
+
+/* Release memory */
+%typemap(freearg) (char *str, int len) {
+  (*jenv)->ReleaseStringUTFChars(jenv, js$argnum, $1);
+}
+
+extern void capitalize(char *str, int len);
+
+/* A multi-valued constraint.  Force two arguments to lie
+   inside the unit circle */
+
+%typemap(check) (double cx, double cy) {
+   double a = $1*$1 + $2*$2;
+   if (a > 1.0) {
+    SWIG_JavaThrowException(jenv, SWIG_JavaIllegalArgumentException, "$1_name and $2_name must be in unit circle");
+    return;
+   }
+}
+
+extern void circle(double cx, double cy);
+
+