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+/*
+ * 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.
+ */
+
+/* $Rev$ $Date$ */
+
+/**
+ * HTTPD module used to eval Java component implementations.
+ */
+
+#define WANT_HTTPD_LOG 1
+#include "string.hpp"
+#include "function.hpp"
+#include "list.hpp"
+#include "value.hpp"
+#include "monad.hpp"
+#include "../server/mod-cpp.hpp"
+#include "../server/mod-eval.hpp"
+#include "mod-java.hpp"
+
+namespace tuscany {
+namespace server {
+namespace modeval {
+
+/**
+ * Apply a lifecycle start or restart event.
+ */
+struct javaLifecycle {
+ javaLifecycle(java::JavaRuntime& jr) : jr(jr) {
+ }
+ const value operator()(const list<value>& params) const {
+ const value func = car(params);
+ if (func == "javaRuntime")
+ return (gc_ptr<value>)(value*)(void*)&jr;
+ return lambda<value(const list<value>&)>();
+ }
+ java::JavaRuntime& jr;
+};
+
+const value applyLifecycle(unused const list<value>& params) {
+
+ // Create a Java runtime
+ java::JavaRuntime& jr = *(new (gc_new<java::JavaRuntime>()) java::JavaRuntime());
+
+ // Return the function to invoke on subsequent events
+ return failable<value>(lambda<value(const list<value>&)>(javaLifecycle(jr)));
+}
+
+/**
+ * Evaluate a Java component implementation and convert it to an applicable
+ * lambda function.
+ */
+const failable<lambda<value(const list<value>&)> > evalImplementation(const string& path, const value& impl, const list<value>& px, const lambda<value(const list<value>&)>& lifecycle) {
+ const string itype(elementName(impl));
+ if (contains(itype, ".java")) {
+ const void* p = (gc_ptr<value>)lifecycle(mklist<value>("javaRuntime"));
+ return modjava::evalImplementation(path, impl, px, *(java::JavaRuntime*)p);
+ }
+ if (contains(itype, ".cpp"))
+ return modcpp::evalImplementation(path, impl, px);
+ if (contains(itype, ".widget"))
+ return mkfailure<lambda<value(const list<value>&)> >(string("Unsupported implementation type: ") + itype, -1, false);
+ return mkfailure<lambda<value(const list<value>&)> >(string("Unsupported implementation type: ") + itype);
+}
+
+}
+}
+}