Somehow the java dir was gone from the repository. Adding it again.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@280 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Lib/java/java.swg

@@ -0,0 +1,9 @@
+#include <jni.h>
+#include <stdlib.h>
+
+#ifdef __cplusplus
+#define JCALL(func, jenv) jenv->func(
+#else
+#define JCALL(func, jenv) (*jenv)->func(jenv,
+#endif
+

SWIG/Lib/java/typemaps.i

@@ -0,0 +1,127 @@
+//
+// SWIG Typemap library
+// for Java
+
+%typemap(java,jtype) char *STRING {String}
+%typemap(java,in) char *STRING {
+  $target = JCALL(GetStringUTFChars, jenv) $source, 0);
+}
+
+%typemap(java,argout) char *STRING {
+  JCALL(ReleaseStringUTFChars, jenv) $source, $target);
+}
+
+%typemap(java,out) char *STRING {
+  $target = (jarray) JCALL(NewStringUTF, jenv) $source);
+}
+
+%typemap(java,jtype) char **STRING_IN {String[]}
+%typemap(java,jni) char **STRING_IN {jobjectArray}
+%typemap(java,in) char **STRING_IN {
+  int i;
+  jsize l = JCALL(GetArrayLength, jenv) $source);
+  $target = (char **) malloc((l+1) * sizeof(char *));
+  for(i=0; i<l; i++) {
+    jstring js;
+    char *cs;
+
+    js = (jstring) JCALL(GetObjectArrayElement, jenv) $source, i);
+    cs = (char *) JCALL(GetStringUTFChars, jenv) js, 0);
+    $target[i] = cs;
+  }
+  $target[l] = '\0';
+}
+
+%typemap(java,argout) char **STRING_IN {
+  /* should release strings obtained from GetStringUTFChars */
+  free($target);
+}
+
+/* result must be a null terminated string */
+%typemap(java,jtype) char **STRING_OUT {String[]}
+%typemap(java,jni) char **STRING_OUT {jobjectArray}
+%typemap(java,in) char **STRING_OUT (char *s) {
+  $target = &s;
+}
+%typemap(java,argout) char **STRING_OUT {
+  if($target != NULL)
+    JCALL(SetObjectArrayElement, jenv) $source, 0, JCALL(NewStringUTF, jenv) *$target));
+}
+
+/* a NULL terminated array of char* */
+%typemap(java,jtype) char **STRING_RET {String[]}
+%typemap(java,jni) char **STRING_RET {jarray}
+%typemap(java,out) char **STRING_RET {
+  if($source != NULL) {
+    char **p = $source;
+    jsize size = 0;
+    int i = 0;
+    jclass strClass;
+    
+    while (*p++) size++; /* determine size */
+    strClass = JCALL(FindClass, jenv) "java/lang/String");
+    $target = JCALL(NewObjectArray, jenv) size, strClass, NULL);
+    p = $source;
+    while (*p) {
+      jstring js = JCALL(NewStringUTF, jenv) *p);
+      JCALL(SetObjectArrayElement, jenv) $target, i++, js);
+      p++;
+    }
+  }
+}
+
+%typemap(java,jni) int *INT_OUT {jintArray}
+%typemap(java,jtype) int *INT_OUT {int[]}
+%typemap(java,in) int *INT_OUT (int i) {
+   $target = (int *)&i;
+}
+
+%typemap(java,argout) int *INT_OUT {
+   jint ji;
+   i = (jint) *$target;
+   JCALL(SetIntArrayRegion, jenv) $source, 0, 1, (jint *) &i);
+}
+
+%typemap(java,out) float * FLOAT_ARRAY_RETURN {
+   if($source != NULL) {
+     float *fp = $source;
+     jfloat *jfp;
+     int size = 0;
+     int i;
+ 
+     /* determine size of array */
+     while(*fp++) size++;
+
+     /* new float array */
+     $target = JCALL(NewFloatArray, jenv) size);
+
+     /* copy elements to float array */
+     jfp = JCALL(GetFloatArrayElements, jenv) $target, 0);
+     for(i=0; i<size; i++ )
+       jfp[i] = (jfloat) $source[i];
+
+     JCALL(ReleaseFloatArrayElements, jenv) $target, jfp, 0);
+   }
+}
+
+%typemap(java,jni) char *BYTE {jbyteArray}
+%typemap(java,jtype) char *BYTE {byte[]}
+%typemap(java,in) char *BYTE {
+  $target = (char *) JCALL(GetByteArrayElements, jenv) $source, 0);
+}
+
+%typemap(java,argout) char *BYTE {
+  JCALL(ReleaseByteArrayElements, jenv) $source, (jbyte *) $target, 0);
+}
+
+%typemap(java,ignore) JNIEnv * {
+  $target = jenv;
+}
+
+%typemap(java,ignore) jclass jcls {
+  $target = jcls;
+}
+
+%typemap(java,ignore) jobject jobj {
+  $target = jobj;
+}