- IfcJni: Fix access violation errors by creating a copy of the byte[]

- Add version identifier to bimserver_plugin and IfcJni

src/ifcgeom/IfcGeomObjects.h

@@ -64,6 +64,7 @@
 #include <gp_Trsf.hxx>
 #include <gp_Trsf2d.hxx>
 
+#include "../ifcparse/IfcParse.h"
 #include "../ifcgeom/IfcShapeList.h"
 
 namespace IfcGeomObjects {

src/ifcjni/IfcJni.cpp

@@ -66,11 +66,20 @@ JNIEXPORT jobject JNICALL Java_org_ifcopenshell_IfcOpenShellModel_getGeometry (J
 }
 
 JNIEXPORT jboolean JNICALL Java_org_ifcopenshell_IfcOpenShellModel_setIfcData (JNIEnv * env, jobject, jbyteArray jdata) {
-  void* data = env->GetByteArrayElements(jdata, NULL);
+	if ( ! jdata ) return false;
 	const int length = env->GetArrayLength(jdata);
-  if ( ! data || ! length ) return false;
+	jboolean is_copy = false;
+	jbyte* jbytes = env->GetByteArrayElements(jdata, &is_copy);
+	if ( ! jbytes || ! length ) return false;
+	void* data = new char[length];
+	memcpy(data,jbytes,length);
+	env->ReleaseByteArrayElements(jdata, jbytes, JNI_ABORT);
 	IfcGeomObjects::Settings(IfcGeomObjects::USE_WORLD_COORDS, true);
 	IfcGeomObjects::Settings(IfcGeomObjects::WELD_VERTICES, false);
 	IfcGeomObjects::Settings(IfcGeomObjects::CONVERT_BACK_UNITS, true);
 	return has_more = IfcGeomObjects::Init(data, length);
 }
+
+JNIEXPORT jstring JNICALL Java_org_ifcopenshell_IfcOpenShellModel_getPluginVersion (JNIEnv * env, jobject) {
+	return env->NewStringUTF(IFCOPENSHELL_VERSION);
+}

src/ifcjni/org_ifcopenshell_IfcOpenShellModel.h

@@ -23,6 +23,14 @@ JNIEXPORT jobject JNICALL Java_org_ifcopenshell_IfcOpenShellModel_getGeometry
 JNIEXPORT jboolean JNICALL Java_org_ifcopenshell_IfcOpenShellModel_setIfcData
   (JNIEnv *, jobject, jbyteArray);
 
+/*
+ * Class:     org_ifcopenshell_IfcOpenShellModel
+ * Method:    getPluginVersion
+ * Signature: ()Ljava/lang/String;
+ */
+JNIEXPORT jstring JNICALL Java_org_ifcopenshell_IfcOpenShellModel_getPluginVersion
+  (JNIEnv *, jobject);
+
 #ifdef __cplusplus
 }
 #endif

src/ifcparse/IfcParse.h

@@ -27,6 +27,8 @@
 #ifndef IFCPARSE_H
 #define IFCPARSE_H
 
+#define IFCOPENSHELL_VERSION "0.3.0-rc2"
+
 #include <string>
 #include <sstream>
 #include <iostream>