--- /dev/null
+/* Copyright (C) 2007 Michael Goffioul
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __JAVA__H__
+#define __JAVA__H__
+
+#include <octave/oct.h>
+#include <octave/config.h>
+#ifndef OCTAVE_EXPORT
+#include <octave/oct-dlldefs.h>
+#endif // OCTAVE_EXPORT
+#include <jni.h>
+
+#ifdef JAVAPKG_BUILD
+# define JAVAPKG_API OCTAVE_EXPORT
+#else
+# define JAVAPKG_API OCTAVE_IMPORT
+#endif
+
+template <class T>
+class java_local_ref
+{
+public:
+ java_local_ref (JNIEnv *_env)
+ : jobj (0), detached (false), env (_env)
+ { }
+
+ java_local_ref (JNIEnv *_env, T obj)
+ : jobj (obj), detached (false), env (_env)
+ { }
+
+ ~java_local_ref (void)
+ {
+ release ();
+ }
+
+ T& operator= (T obj)
+ {
+ release ();
+ jobj = obj;
+ detached = false;
+ return jobj;
+ }
+ operator bool () const { return (jobj != 0); }
+ operator T () { return jobj; }
+
+ void detach () { detached = true; }
+
+private:
+ void release (void)
+ {
+ if (env && jobj && ! detached)
+ env->DeleteLocalRef (jobj);
+ jobj = 0;
+ }
+
+ java_local_ref (void)
+ : jobj (0), detached (false), env (0)
+ { }
+
+
+protected:
+ T jobj;
+ bool detached;
+ JNIEnv *env;
+};
+
+typedef java_local_ref<jobject> jobject_ref;
+typedef java_local_ref<jclass> jclass_ref;
+typedef java_local_ref<jstring> jstring_ref;
+typedef java_local_ref<jobjectArray> jobjectArray_ref;
+typedef java_local_ref<jintArray> jintArray_ref;
+typedef java_local_ref<jbyteArray> jbyteArray_ref;
+typedef java_local_ref<jdoubleArray> jdoubleArray_ref;
+typedef java_local_ref<jthrowable> jthrowable_ref;
+
+extern JAVAPKG_API std::string jstring_to_string (JNIEnv* jni_env, jstring s);
+extern JAVAPKG_API std::string jstring_to_string (JNIEnv* jni_env, jobject obj);
+extern JAVAPKG_API octave_value box (JNIEnv* jni_env, jobject jobj, jclass jcls = 0);
+extern JAVAPKG_API octave_value box_more (JNIEnv* jni_env, jobject jobj, jclass jcls = 0);
+extern JAVAPKG_API int unbox (JNIEnv* jni_env, const octave_value& val, jobject_ref& jobj, jclass_ref& jcls);
+extern JAVAPKG_API int unbox (JNIEnv* jni_env, const octave_value_list& args, jobjectArray_ref& jobjs, jobjectArray_ref& jclss);
+
+extern JAVAPKG_API bool Vjava_convert_matrix;
+extern JAVAPKG_API bool Vjava_unsigned_conversion;
+extern JAVAPKG_API bool Vjava_debug;
+
+class JAVAPKG_API octave_java : public octave_base_value
+{
+public:
+ octave_java (void)
+ : java_object (0), java_class (0)
+ { }
+
+ octave_java (const octave_java& jobj)
+ : java_object (0), java_class (0)
+ {
+ init (jobj.java_object, jobj.java_class);
+ }
+
+ octave_java (jobject obj, jclass cls = 0)
+ : java_object (0)
+ {
+ init (obj, cls);
+ }
+
+ ~octave_java (void)
+ {
+ release ();
+ }
+
+ jobject to_java () const { return java_object; }
+ jclass to_class () const { return java_class; }
+ std::string java_class_name () const { return java_type; }
+
+ octave_base_value* clone(void) const { return new octave_java(*this); }
+ octave_base_value* empty_clone(void) const { return new octave_java(); }
+
+ bool is_defined(void) const { return true; }
+
+ bool is_map (void) const { return true; }
+
+ string_vector map_keys(void) const;
+
+ dim_vector dims(void) const;
+
+ void print(std::ostream& os, bool pr_as_read_syntax = false) const
+ {
+ os << "<Java object: " << java_type << ">";
+ newline(os);
+ }
+
+ void print_raw(std::ostream& os, bool pr_as_read_syntax = false) const
+ {
+ print(os, pr_as_read_syntax);
+ }
+
+ octave_value_list subsref (const std::string& type, const std::list<octave_value_list>& idx, int nargout);
+
+ octave_value subsref (const std::string& type,
+ const std::list<octave_value_list>& idx)
+ {
+ octave_value_list retval = subsref (type, idx, 1);
+ return (retval.length () > 0 ? retval(0) : octave_value ());
+ }
+
+ octave_value subsasgn (const std::string& type, const std::list<octave_value_list>& idx, const octave_value& rhs);
+
+ octave_value convert_to_str_internal (bool pad, bool force, char type) const;
+
+ bool is_string (void) const
+ {
+ JNIEnv *current_env = thread_jni_env ();
+
+ if (current_env && java_object)
+ {
+ jclass_ref cls (current_env, current_env->FindClass ("java/lang/String"));
+ return current_env->IsInstanceOf (java_object, cls);
+ }
+ return false;
+ }
+
+ static JNIEnv* thread_jni_env (void);
+
+ octave_value do_java_invoke (JNIEnv* jni_env, const std::string& name,
+ const octave_value_list& args);
+
+ octave_value do_java_invoke (const std::string& name, const octave_value_list& args)
+ { return do_java_invoke(thread_jni_env (), name, args); }
+
+ static octave_value do_java_invoke (JNIEnv* jni_env, const std::string& class_name,
+ const std::string& name, const octave_value_list& args);
+
+ static octave_value do_java_invoke (const std::string& class_name,
+ const std::string& name, const octave_value_list& args)
+ { return do_java_invoke(thread_jni_env (), class_name, name, args); }
+
+ static octave_value do_java_create (JNIEnv* jni_env, const std::string& name,
+ const octave_value_list& args);
+
+ static octave_value do_java_create (const std::string& name, const octave_value_list& args)
+ { return do_java_create (thread_jni_env (), name, args); }
+
+ octave_value do_java_get (JNIEnv* jni_env, const std::string& name);
+
+ octave_value do_java_get (const std::string& name)
+ { return do_java_get (thread_jni_env (), name); }
+
+ static octave_value do_java_get (JNIEnv* jni_env, const std::string& class_name,
+ const std::string& name);
+
+ static octave_value do_java_get (const std::string& class_name, const std::string& name)
+ { return do_java_get (thread_jni_env (), class_name, name); }
+
+ octave_value do_java_set (JNIEnv* jni_env, const std::string& name, const octave_value& val);
+
+ octave_value do_java_set (const std::string& name, const octave_value& val)
+ { return do_java_set (thread_jni_env (), name, val); }
+
+ static octave_value do_java_set (JNIEnv* jni_env, const std::string& class_name,
+ const std::string& name, const octave_value& val);
+
+ static octave_value do_java_set (const std::string& class_name, const std::string& name,
+ const octave_value& val)
+ { return do_java_set (thread_jni_env (), class_name, name, val); }
+
+private:
+ void init (jobject jobj, jclass jcls)
+ {
+ JNIEnv *current_env = thread_jni_env ();
+
+ if (current_env)
+ {
+ if (jobj)
+ java_object = current_env->NewGlobalRef (jobj);
+ if (jcls)
+ java_class = reinterpret_cast<jclass> (current_env->NewGlobalRef (jcls));
+ else if (java_object)
+ {
+ jclass_ref ocls (current_env, current_env->GetObjectClass (java_object));
+ java_class = reinterpret_cast<jclass> (current_env->NewGlobalRef (jclass (ocls)));
+ }
+
+ if (java_class)
+ {
+ jclass_ref clsCls (current_env, current_env->GetObjectClass (java_class));
+ jmethodID mID = current_env->GetMethodID (clsCls, "getCanonicalName", "()Ljava/lang/String;");
+ jobject_ref resObj (current_env, current_env->CallObjectMethod (java_class, mID));
+ java_type = jstring_to_string (current_env, resObj);
+ }
+ }
+ }
+
+ void release ()
+ {
+ JNIEnv *current_env = thread_jni_env ();
+
+ if (current_env)
+ {
+ if (java_object)
+ current_env->DeleteGlobalRef (java_object);
+ if (java_class)
+ current_env->DeleteGlobalRef (java_class);
+ java_object = 0;
+ java_class = 0;
+ }
+ }
+
+private:
+ DECLARE_OCTAVE_ALLOCATOR
+
+ DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
+
+ jobject java_object;
+ jclass java_class;
+ std::string java_type;
+};
+
+#endif /* __JAVA__H__ */