[RFC][PATCH 16/22] JavaHL Ra API Implementation

[Vladimir Berezniker]

[[[
    JavaHL: Add new method for creating new java objects connected to a
matching C++ object

    [ in subversion/bindings/javahl/native ]

    * SVNBase.cpp, SVNBase.h
      (createCppBoundObject): New method for creating new java objects
connected to a matching C++ object
]]]

Index: subversion/bindings/javahl/native/SVNBase.cpp
===================================================================
--- subversion/bindings/javahl/native/SVNBase.cpp       (revision 1328758)
+++ subversion/bindings/javahl/native/SVNBase.cpp       (working copy)
@@ -107,3 +107,29 @@ inline void SVNBase::findCppAddrFieldID(jfieldID *fid, 
const char *className,
         }
     }
 }
+
+jobject SVNBase::createCppBoundObject(const char *clazzName)
+{
+  JNIEnv *env = JNIUtil::getEnv();
+
+  // Create java session object
+  jclass clazz = env->FindClass(clazzName);
+  if (JNIUtil::isJavaExceptionThrown())
+      return NULL;
+
+  static jmethodID ctor = 0;
+  if (ctor == 0)
+  {
+      ctor = env->GetMethodID(clazz, "<init>", "(J)V");
+      if (JNIUtil::isJavaExceptionThrown())
+          return NULL;
+  }
+
+  jlong cppAddr = this->getCppAddr();
+
+  jobject jself = env->NewObject(clazz, ctor, cppAddr);
+  if (JNIUtil::isJavaExceptionThrown())
+      return NULL;
+
+  return jself;
+}
Index: subversion/bindings/javahl/native/SVNBase.h
===================================================================
--- subversion/bindings/javahl/native/SVNBase.h (revision 1328758)
+++ subversion/bindings/javahl/native/SVNBase.h (working copy)
@@ -90,6 +90,11 @@ class SVNBase
    */
   void disconnectCppObject(jobject jthis, jfieldID *fid, const char 
*className);
 
+  /**
+   * Instantiates java object attached to this base object
+   */
+  jobject createCppBoundObject(const char *clazzName);
+
  private:
   /**
    * If the value pointed to by @a fid is zero, find the @c jfieldID