Mercurial > hg > octave-lyh

comparison libinterp/dldfcn/__java__.h @ 15625:acf0addfc610

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
include Octave Forge java package in core Octave * scripts/java: New directory tree. * scripts/Makefile.am: Include java/module.mk. (JAR_FILES): New variable. (nobase_fcnfile_DATA): Include $(JAR_FILES) in the list. (all-local): Depend on $(JAR_FILES). (java/PKG_ADD, java_GEN_FCN_FILES, java/$(octave_dirstamp)): New rules. * libinterp/link-deps (LIBOCTINTERP_LINK_DEP): Include $(JAVA_LIBS) in the list. * dldfcn/__java__.h, dldfcn/__java__.cc: New files. * dldfcn/module-files (__java__.cc): New file description. * doc/interpreter/java.txi: New file. * doc/interpreter/octave.texi: Include java.texi. * doc/interpreter/java-images: New directory. * doc/interpreter/Makefile.am (JAVA_IMAGES): New variable. (IMAGES): Include $(JAVA_IMAGSES) in the list. (MUNGED_TEXI_SRC): Include java.texi in the list. * configure.ac: Check for Java libraries and tools. Include Java info in the summary message. * build-aux/common.mk (JAVA_CPPFLAGS, JAVA_LIBS): New variables. * NEWS: Update. * contributors.in: Include Martin Hepperle in the list.
author John W. Eaton <jwe@octave.org>
date Fri, 23 Nov 2012 15:29:13 -0500
parents
children 686580b1a934
comparison
equal deleted inserted replaced
15624:550147454137 15625:acf0addfc610
1 /* Copyright (C) 2007 Michael Goffioul
2 **
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.
7 **
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.
12 **
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/>.
15 */
16
17 #ifndef __JAVA__H__
18 #define __JAVA__H__
19
20 #include "oct.h"
21 #include "config.h"
22 #ifndef OCTAVE_EXPORT
23 #include "oct-dlldefs.h"
24 #endif // OCTAVE_EXPORT
25 #include <jni.h>
26
27 #ifdef JAVAPKG_BUILD
28 # define JAVAPKG_API OCTAVE_EXPORT
29 #else
30 # define JAVAPKG_API OCTAVE_IMPORT
31 #endif
32
33 template <class T>
34 class java_local_ref
35 {
36 public:
37 java_local_ref (JNIEnv *_env)
38 : jobj (0), detached (false), env (_env)
39 { }
40
41 java_local_ref (JNIEnv *_env, T obj)
42 : jobj (obj), detached (false), env (_env)
43 { }
44
45 ~java_local_ref (void)
46 {
47 release ();
48 }
49
50 T& operator= (T obj)
51 {
52 release ();
53 jobj = obj;
54 detached = false;
55 return jobj;
56 }
57 operator bool () const { return (jobj != 0); }
58 operator T () { return jobj; }
59
60 void detach () { detached = true; }
61
62 private:
63 void release (void)
64 {
65 if (env && jobj && ! detached)
66 env->DeleteLocalRef (jobj);
67 jobj = 0;
68 }
69
70 java_local_ref (void)
71 : jobj (0), detached (false), env (0)
72 { }
73
74
75 protected:
76 T jobj;
77 bool detached;
78 JNIEnv *env;
79 };
80
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;
89
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);
96
97 extern JAVAPKG_API bool Vjava_convert_matrix;
98 extern JAVAPKG_API bool Vjava_unsigned_conversion;
99 extern JAVAPKG_API bool Vjava_debug;
100
101 class JAVAPKG_API octave_java : public octave_base_value
102 {
103 public:
104 octave_java (void)
105 : java_object (0), java_class (0)
106 { }
107
108 octave_java (const octave_java& jobj)
109 : java_object (0), java_class (0)
110 {
111 init (jobj.java_object, jobj.java_class);
112 }
113
114 octave_java (jobject obj, jclass cls = 0)
115 : java_object (0)
116 {
117 init (obj, cls);
118 }
119
120 ~octave_java (void)
121 {
122 release ();
123 }
124
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; }
128
129 octave_base_value* clone(void) const { return new octave_java(*this); }
130 octave_base_value* empty_clone(void) const { return new octave_java(); }
131
132 bool is_defined(void) const { return true; }
133
134 bool is_map (void) const { return true; }
135
136 string_vector map_keys(void) const;
137
138 dim_vector dims(void) const;
139
140 void print(std::ostream& os, bool pr_as_read_syntax = false) const
141 {
142 os << "<Java object: " << java_type << ">";
143 newline(os);
144 }
145
146 void print_raw(std::ostream& os, bool pr_as_read_syntax = false) const
147 {
148 print(os, pr_as_read_syntax);
149 }
150
151 octave_value_list subsref (const std::string& type, const std::list<octave_value_list>& idx, int nargout);
152
153 octave_value subsref (const std::string& type,
154 const std::list<octave_value_list>& idx)
155 {
156 octave_value_list retval = subsref (type, idx, 1);
157 return (retval.length () > 0 ? retval(0) : octave_value ());
158 }
159
160 octave_value subsasgn (const std::string& type, const std::list<octave_value_list>& idx, const octave_value& rhs);
161
162 octave_value convert_to_str_internal (bool pad, bool force, char type) const;
163
164 bool is_string (void) const
165 {
166 JNIEnv *current_env = thread_jni_env ();
167
168 if (current_env && java_object)
169 {
170 jclass_ref cls (current_env, current_env->FindClass ("java/lang/String"));
171 return current_env->IsInstanceOf (java_object, cls);
172 }
173 return false;
174 }
175
176 static JNIEnv* thread_jni_env (void);
177
178 octave_value do_java_invoke (JNIEnv* jni_env, const std::string& name,
179 const octave_value_list& args);
180
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); }
183
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);
186
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); }
190
191 static octave_value do_java_create (JNIEnv* jni_env, const std::string& name,
192 const octave_value_list& args);
193
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); }
196
197 octave_value do_java_get (JNIEnv* jni_env, const std::string& name);
198
199 octave_value do_java_get (const std::string& name)
200 { return do_java_get (thread_jni_env (), name); }
201
202 static octave_value do_java_get (JNIEnv* jni_env, const std::string& class_name,
203 const std::string& name);
204
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); }
207
208 octave_value do_java_set (JNIEnv* jni_env, const std::string& name, const octave_value& val);
209
210 octave_value do_java_set (const std::string& name, const octave_value& val)
211 { return do_java_set (thread_jni_env (), name, val); }
212
213 static octave_value do_java_set (JNIEnv* jni_env, const std::string& class_name,
214 const std::string& name, const octave_value& val);
215
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); }
219
220 private:
221 void init (jobject jobj, jclass jcls)
222 {
223 JNIEnv *current_env = thread_jni_env ();
224
225 if (current_env)
226 {
227 if (jobj)
228 java_object = current_env->NewGlobalRef (jobj);
229 if (jcls)
230 java_class = reinterpret_cast<jclass> (current_env->NewGlobalRef (jcls));
231 else if (java_object)
232 {
233 jclass_ref ocls (current_env, current_env->GetObjectClass (java_object));
234 java_class = reinterpret_cast<jclass> (current_env->NewGlobalRef (jclass (ocls)));
235 }
236
237 if (java_class)
238 {
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);
243 }
244 }
245 }
246
247 void release ()
248 {
249 JNIEnv *current_env = thread_jni_env ();
250
251 if (current_env)
252 {
253 if (java_object)
254 current_env->DeleteGlobalRef (java_object);
255 if (java_class)
256 current_env->DeleteGlobalRef (java_class);
257 java_object = 0;
258 java_class = 0;
259 }
260 }
261
262 private:
263 DECLARE_OCTAVE_ALLOCATOR
264
265 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
266
267 jobject java_object;
268 jclass java_class;
269 std::string java_type;
270 };
271
272 #endif /* __JAVA__H__ */