1 files changed, 59 insertions, 0 deletions
diff --git a/Final/cpp/lib/common/CommonOptions.cpp b/Final/cpp/lib/common/CommonOptions.cpp
new file mode 100644
index 0000000000..2b6657b4e0
--- /dev/null
+++ b/Final/cpp/lib/common/CommonOptions.cpp
@@ -0,0 +1,59 @@
+/*
+ *
+ * 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 "CommonOptions.h"
+#include <algorithm>
+
+namespace qpid {
+
+namespace program_options {
+
+static const std::string prefix("QPID_");
+
+static char env2optchar(char env) { return (env=='_') ? '-' : tolower(env); }
+
+std::string EnvMapper::operator()(const std::string& env) {
+    if (env.substr(0, prefix.size()) == prefix) {
+        std::string opt = env.substr(prefix.size());
+        transform(opt.begin(), opt.end(), opt.begin(), env2optchar);
+        // Ignore env vars that don't match to known options.
+        if (opts.find_nothrow(opt, false))
+            return opt;
+    }
+    return std::string();
+}
+
+} // namespace program_options
+
+const int CommonOptions::DEFAULT_PORT=5672;
+
+CommonOptions::CommonOptions() : trace(false), port(DEFAULT_PORT) {}
+
+void CommonOptions::addTo(po::options_description& desc)
+{
+    using namespace po;
+    desc.add_options()
+        ("trace,t", optValue(trace), "Enable debug tracing" )
+        ("port,p", optValue(port,"PORT"), "Use PORT for AMQP connections.");
+}
+
+} // namespace qpid
+