1 /* Copyright (C) 2007 Michael Goffioul
3 ** This program is free software; you can redistribute it and/or modify
4 ** it under the terms of the GNU General Public License as published by
5 ** the Free Software Foundation; either version 2 of the License, or
6 ** (at your option) any later version.
8 ** This program is distributed in the hope that it will be useful,
9 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
10 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 ** GNU General Public License for more details.
13 ** You should have received a copy of the GNU General Public License
14 ** along with this program; If not, see <http://www.gnu.org/licenses/>.
20 #include <octave/oct.h>
21 #include <octave/config.h>
23 #include <octave/oct-dlldefs.h>
24 #endif // OCTAVE_EXPORT
28 # define JAVAPKG_API OCTAVE_EXPORT
30 # define JAVAPKG_API OCTAVE_IMPORT
37 java_local_ref (JNIEnv *_env)
38 : jobj (0), detached (false), env (_env)
41 java_local_ref (JNIEnv *_env, T obj)
42 : jobj (obj), detached (false), env (_env)
45 ~java_local_ref (void)
57 operator bool () const { return (jobj != 0); }
58 operator T () { return jobj; }
60 void detach () { detached = true; }
65 if (env && jobj && ! detached)
66 env->DeleteLocalRef (jobj);
71 : jobj (0), detached (false), env (0)
81 typedef java_local_ref<jobject> jobject_ref;
82 typedef java_local_ref<jclass> jclass_ref;
83 typedef java_local_ref<jstring> jstring_ref;
84 typedef java_local_ref<jobjectArray> jobjectArray_ref;
85 typedef java_local_ref<jintArray> jintArray_ref;
86 typedef java_local_ref<jbyteArray> jbyteArray_ref;
87 typedef java_local_ref<jdoubleArray> jdoubleArray_ref;
88 typedef java_local_ref<jthrowable> jthrowable_ref;
90 extern JAVAPKG_API std::string jstring_to_string (JNIEnv* jni_env, jstring s);
91 extern JAVAPKG_API std::string jstring_to_string (JNIEnv* jni_env, jobject obj);
92 extern JAVAPKG_API octave_value box (JNIEnv* jni_env, jobject jobj, jclass jcls = 0);
93 extern JAVAPKG_API octave_value box_more (JNIEnv* jni_env, jobject jobj, jclass jcls = 0);
94 extern JAVAPKG_API int unbox (JNIEnv* jni_env, const octave_value& val, jobject_ref& jobj, jclass_ref& jcls);
95 extern JAVAPKG_API int unbox (JNIEnv* jni_env, const octave_value_list& args, jobjectArray_ref& jobjs, jobjectArray_ref& jclss);
97 extern JAVAPKG_API bool Vjava_convert_matrix;
98 extern JAVAPKG_API bool Vjava_unsigned_conversion;
99 extern JAVAPKG_API bool Vjava_debug;
101 class JAVAPKG_API octave_java : public octave_base_value
105 : java_object (0), java_class (0)
108 octave_java (const octave_java& jobj)
109 : java_object (0), java_class (0)
111 init (jobj.java_object, jobj.java_class);
114 octave_java (jobject obj, jclass cls = 0)
125 jobject to_java () const { return java_object; }
126 jclass to_class () const { return java_class; }
127 std::string java_class_name () const { return java_type; }
129 octave_base_value* clone(void) const { return new octave_java(*this); }
130 octave_base_value* empty_clone(void) const { return new octave_java(); }
132 bool is_defined(void) const { return true; }
134 bool is_map (void) const { return true; }
136 string_vector map_keys(void) const;
138 dim_vector dims(void) const;
140 void print(std::ostream& os, bool pr_as_read_syntax = false) const
142 os << "<Java object: " << java_type << ">";
146 void print_raw(std::ostream& os, bool pr_as_read_syntax = false) const
148 print(os, pr_as_read_syntax);
151 octave_value_list subsref (const std::string& type, const std::list<octave_value_list>& idx, int nargout);
153 octave_value subsref (const std::string& type,
154 const std::list<octave_value_list>& idx)
156 octave_value_list retval = subsref (type, idx, 1);
157 return (retval.length () > 0 ? retval(0) : octave_value ());
160 octave_value subsasgn (const std::string& type, const std::list<octave_value_list>& idx, const octave_value& rhs);
162 octave_value convert_to_str_internal (bool pad, bool force, char type) const;
164 bool is_string (void) const
166 JNIEnv *current_env = thread_jni_env ();
168 if (current_env && java_object)
170 jclass_ref cls (current_env, current_env->FindClass ("java/lang/String"));
171 return current_env->IsInstanceOf (java_object, cls);
176 static JNIEnv* thread_jni_env (void);
178 octave_value do_java_invoke (JNIEnv* jni_env, const std::string& name,
179 const octave_value_list& args);
181 octave_value do_java_invoke (const std::string& name, const octave_value_list& args)
182 { return do_java_invoke(thread_jni_env (), name, args); }
184 static octave_value do_java_invoke (JNIEnv* jni_env, const std::string& class_name,
185 const std::string& name, const octave_value_list& args);
187 static octave_value do_java_invoke (const std::string& class_name,
188 const std::string& name, const octave_value_list& args)
189 { return do_java_invoke(thread_jni_env (), class_name, name, args); }
191 static octave_value do_java_create (JNIEnv* jni_env, const std::string& name,
192 const octave_value_list& args);
194 static octave_value do_java_create (const std::string& name, const octave_value_list& args)
195 { return do_java_create (thread_jni_env (), name, args); }
197 octave_value do_java_get (JNIEnv* jni_env, const std::string& name);
199 octave_value do_java_get (const std::string& name)
200 { return do_java_get (thread_jni_env (), name); }
202 static octave_value do_java_get (JNIEnv* jni_env, const std::string& class_name,
203 const std::string& name);
205 static octave_value do_java_get (const std::string& class_name, const std::string& name)
206 { return do_java_get (thread_jni_env (), class_name, name); }
208 octave_value do_java_set (JNIEnv* jni_env, const std::string& name, const octave_value& val);
210 octave_value do_java_set (const std::string& name, const octave_value& val)
211 { return do_java_set (thread_jni_env (), name, val); }
213 static octave_value do_java_set (JNIEnv* jni_env, const std::string& class_name,
214 const std::string& name, const octave_value& val);
216 static octave_value do_java_set (const std::string& class_name, const std::string& name,
217 const octave_value& val)
218 { return do_java_set (thread_jni_env (), class_name, name, val); }
221 void init (jobject jobj, jclass jcls)
223 JNIEnv *current_env = thread_jni_env ();
228 java_object = current_env->NewGlobalRef (jobj);
230 java_class = reinterpret_cast<jclass> (current_env->NewGlobalRef (jcls));
231 else if (java_object)
233 jclass_ref ocls (current_env, current_env->GetObjectClass (java_object));
234 java_class = reinterpret_cast<jclass> (current_env->NewGlobalRef (jclass (ocls)));
239 jclass_ref clsCls (current_env, current_env->GetObjectClass (java_class));
240 jmethodID mID = current_env->GetMethodID (clsCls, "getCanonicalName", "()Ljava/lang/String;");
241 jobject_ref resObj (current_env, current_env->CallObjectMethod (java_class, mID));
242 java_type = jstring_to_string (current_env, resObj);
249 JNIEnv *current_env = thread_jni_env ();
254 current_env->DeleteGlobalRef (java_object);
256 current_env->DeleteGlobalRef (java_class);
263 DECLARE_OCTAVE_ALLOCATOR
265 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
269 std::string java_type;
272 #endif /* __JAVA__H__ */