1 files changed, 67 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/Exception.cpp b/qpid/cpp/src/qpid/Exception.cpp
new file mode 100644
index 0000000000..a6696f06e1
--- /dev/null
+++ b/qpid/cpp/src/qpid/Exception.cpp
@@ -0,0 +1,67 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ *
+ */
+
+#include "qpid/log/Statement.h"
+#include "qpid/Exception.h"
+#include "qpid/DisableExceptionLogging.h"
+#include <typeinfo>
+#include <assert.h>
+#include <string.h>
+
+namespace qpid {
+
+// Note on static initialization order: if an exception is constructed
+// in a static constructor before disableExceptionLogging has been
+// initialized, the worst that can happen is we lose an exception log
+// message. Since we shouldn't be throwing a lot of exceptions during
+// static construction this seems safe.
+static bool disableExceptionLogging = false;
+
+DisableExceptionLogging::DisableExceptionLogging() { disableExceptionLogging = true; }
+DisableExceptionLogging::~DisableExceptionLogging() { disableExceptionLogging = false; }
+
+Exception::Exception(const std::string& msg) throw() : message(msg) {
+    if (disableExceptionLogging) return;
+    QPID_LOG_IF(debug, !msg.empty(), "Exception constructed: " << message);
+}
+
+Exception::~Exception() throw() {}
+
+std::string Exception::getPrefix() const { return ""; }
+
+std::string Exception::getMessage() const { return message; }
+
+const char* Exception::what() const throw() {
+    // Construct the what string the first time it is needed.
+    if (whatStr.empty()) {
+        whatStr = getPrefix();
+        if (!whatStr.empty()) whatStr +=  ": ";
+        whatStr += message;
+    }
+    return whatStr.c_str();
+}
+
+ClosedException::ClosedException(const std::string& msg)
+  : Exception(msg) {}
+
+std::string ClosedException::getPrefix() const { return "Closed"; }
+
+} // namespace qpid