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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.
*/
#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);
return mkfailure<lambda<value(const list<value>&)> >(string("Unsupported implementation type: ") + itype);
}
}
}
}
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