1 files changed, 122 insertions, 0 deletions
diff --git a/sca-cpp/tags/cpp-0.1.incubating-M1-final/sca/runtime/core/src/tuscany/sca/util/Library.cpp b/sca-cpp/tags/cpp-0.1.incubating-M1-final/sca/runtime/core/src/tuscany/sca/util/Library.cpp
new file mode 100644
index 0000000000..0a50f396c7
--- /dev/null
+++ b/sca-cpp/tags/cpp-0.1.incubating-M1-final/sca/runtime/core/src/tuscany/sca/util/Library.cpp
@@ -0,0 +1,122 @@
+/*
+ *
+ *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+/* $Rev$ $Date: 2005/12/22 11:33:21 $ */
+#if defined(WIN32)  || defined (_WINDOWS)
+#pragma warning(disable: 4786)
+#endif
+
+#include "tuscany/sca/util/Library.h"
+#include "tuscany/sca/util/Utils.h"
+#include "tuscany/sca/util/Exceptions.h"
+#include "tuscany/sca/util/Logging.h"
+using namespace osoa::sca;
+
+namespace tuscany
+{
+    namespace sca
+    {
+        Library::Library()
+            : hDLL(NULL)
+        {
+        }
+        
+        Library::Library(const string& libraryName)
+            : name(libraryName), hDLL(NULL)
+        {
+            LOGINFO_1(3, "Library::construcor : %s", name.c_str()); 
+            load();
+        }
+
+        Library::Library(const Library& lib)
+            : name(lib.name), hDLL(NULL)
+        {
+            LOGINFO_1(3, "Library::copy constructor : %s", name.c_str()); 
+            if (lib.hDLL)
+            {
+                load();
+            }
+        }
+        
+        Library& Library::operator=(const Library& lib)
+        {
+            LOGINFO_1(3, "Library::operator= : %s", name.c_str()); 
+            if (&lib != this)
+            {
+                unload();
+                name = lib.name;
+                load();
+            }
+            return *this;
+        }
+        
+        Library::~Library()
+        {
+            LOGINFO_1(3, "Library::destructor: %s", name.c_str()); 
+            unload();
+        }
+        
+        
+        void Library::load()
+        {
+            LOGINFO_1(3, "Library::load : %s", name.c_str()); 
+            string msg;
+#if defined(WIN32)  || defined (_WINDOWS)
+            hDLL = LoadLibrary(name.c_str());
+#else
+            hDLL = dlopen(name.c_str(), RTLD_NOW);
+#endif
+            if (hDLL == NULL)
+            {
+                LOGERROR_1(1, "Library::load: Unable to load library %s", name.c_str());
+                msg = "Unable to load dll: " + name;
+                throw ServiceRuntimeException(msg.c_str());
+            }    
+        }
+        
+        void Library::unload()
+        {
+            if (hDLL != NULL)
+            {
+            LOGINFO_1(3, "Library::unload : %s", name.c_str()); 
+#if defined(WIN32)  || defined (_WINDOWS)
+                FreeLibrary(hDLL);
+#else
+                dlclose(hDLL);
+#endif
+                hDLL = NULL;
+            }
+        }
+    
+        void* Library::getSymbol(const string& symbol)
+        {
+            LOGINFO_1(3, "Library::getSymbol : %s", symbol.c_str()); 
+            if (!hDLL)
+            {
+                return 0;
+            }
+#if defined(WIN32)  || defined (_WINDOWS)
+            return GetProcAddress(hDLL, symbol.c_str());        
+#else
+            return dlsym(hDLL, symbol.c_str());    
+#endif            
+        }    
+        
+    } // End namespace sca
+} // End namespace tuscany
+
+