jcc/_jcc/java/util/Iterator.cpp

   1 /*
   2  *   Licensed under the Apache License, Version 2.0 (the "License");
   3  *   you may not use this file except in compliance with the License.
   4  *   You may obtain a copy of the License at
   5  *
   6  *       http://www.apache.org/licenses/LICENSE-2.0
   7  *
   8  *   Unless required by applicable law or agreed to in writing, software
   9  *   distributed under the License is distributed on an "AS IS" BASIS,
  10  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11  *   See the License for the specific language governing permissions and
  12  *   limitations under the License.
  13  */
  14
  15 #include <jni.h>
  16 #include "JCCEnv.h"
  17
  18 #include "java/lang/Object.h"
  19 #include "java/lang/Class.h"
  20 #include "java/util/Iterator.h"
  21
  22 namespace java {
  23     namespace util {
  24         enum {
  25             mid_hasNext,
  26             mid_next,
  27             max_mid
  28         };
  29
  30         Class *Iterator::class$ = NULL;
  31         jmethodID *Iterator::mids$ = NULL;
  32
  33         jclass Iterator::initializeClass()
  34         {
  35             if (!class$)
  36             {
  37                 jclass cls = env->findClass("java/util/Iterator");
  38
  39                 mids$ = new jmethodID[max_mid];
  40                 mids$[mid_hasNext] = env->getMethodID(cls, "hasNext",
  41                                                       "()Z");
  42                 mids$[mid_next] = env->getMethodID(cls, "next",
  43                                                    "()Ljava/lang/Object;");
  44
  45                 class$ = (Class *) new JObject(cls);
  46             }
  47
  48             return (jclass) class$->this$;
  49         }
  50
  51         jboolean Iterator::hasNext() const
  52         {
  53             return env->callBooleanMethod(this$, mids$[mid_hasNext]);
  54         }
  55
  56         Object Iterator::next() const
  57         {
  58             return Object(env->callObjectMethod(this$, mids$[mid_next]));
  59         }
  60     }
  61 }
  62
  63
  64 #include "structmember.h"
  65 #include "functions.h"
  66 #include "macros.h"
  67
  68 namespace java {
  69     namespace util {
  70
  71         static PyObject *t_Iterator_hasNext(t_Iterator *self);
  72         static PyObject *t_Iterator_next(t_Iterator *self);
  73
  74         static PyMethodDef t_Iterator__methods_[] = {
  75             DECLARE_METHOD(t_Iterator, hasNext, METH_NOARGS),
  76             DECLARE_METHOD(t_Iterator, next, METH_NOARGS),
  77             { NULL, NULL, 0, NULL }
  78         };
  79
  80         DECLARE_TYPE(Iterator, t_Iterator, JObject, java::util::Iterator,
  81                      abstract_init, 0, 0, 0, 0, 0);
  82
  83 #ifdef _java_generics
  84         PyObject *t_Iterator::wrap_Object(const Iterator& object,
  85                                           PyTypeObject *T)
  86         {
  87             PyObject *obj = t_Iterator::wrap_Object(object);
  88             if (obj != Py_None)
  89             {
  90                 t_Iterator *self = (t_Iterator *) obj;
  91                 self->parameters[0] = T;
  92             }
  93             return obj;
  94         }
  95
  96         PyObject *t_Iterator::wrap_jobject(const jobject& object,
  97                                            PyTypeObject *T)
  98         {
  99             PyObject *obj = t_Iterator::wrap_jobject(object);
 100             if (obj != Py_None)
 101             {
 102                 t_Iterator *self = (t_Iterator *) obj;
 103                 self->parameters[0] = T;
 104             }
 105             return obj;
 106         }
 107 #endif
 108         static PyObject *t_Iterator_hasNext(t_Iterator *self)
 109         {
 110             jboolean b;
 111
 112             OBJ_CALL(b = self->object.hasNext());
 113             Py_RETURN_BOOL(b);
 114         }
 115
 116         static PyObject *t_Iterator_next(t_Iterator *self)
 117         {
 118             Object next((jobject) NULL);
 119
 120             OBJ_CALL(next = self->object.next());
 121             return t_Object::wrap_Object(next);
 122         }
 123     }
 124 }