1 files changed, 117 insertions, 0 deletions
diff --git a/javaunohelper/source/vm.cxx b/javaunohelper/source/vm.cxx
new file mode 100644
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+
+#include <sal/config.h>
+
+#include "vm.hxx"
+
+#include <com/sun/star/beans/NamedValue.hpp>
+#include <com/sun/star/lang/XSingleComponentFactory.hpp>
+#include <cppuhelper/compbase.hxx>
+#include <cppuhelper/component_context.hxx>
+#include <jvmaccess/virtualmachine.hxx>
+#include <jvmaccess/unovirtualmachine.hxx>
+#include <osl/mutex.hxx>
+
+namespace {
+
+struct MutexHolder
+{
+    ::osl::Mutex m_mutex;
+};
+typedef ::cppu::WeakComponentImplHelper<
+    css::lang::XSingleComponentFactory > t_impl;
+
+class SingletonFactory : public MutexHolder, public t_impl
+{
+    ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > m_vm_access;
+
+protected:
+    virtual void SAL_CALL disposing() override;
+
+public:
+    explicit SingletonFactory( ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > const & vm_access )
+        : t_impl( m_mutex ),
+          m_vm_access( vm_access )
+        {}
+
+    // XSingleComponentFactory impl
+    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithContext(
+        css::uno::Reference< css::uno::XComponentContext > const & xContext ) override;
+    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArgumentsAndContext(
+        css::uno::Sequence< css::uno::Any > const & args, css::uno::Reference< css::uno::XComponentContext > const & xContext ) override;
+};
+
+void SingletonFactory::disposing()
+{
+    m_vm_access.clear();
+}
+
+css::uno::Reference< css::uno::XInterface > SingletonFactory::createInstanceWithContext(
+    css::uno::Reference< css::uno::XComponentContext > const & xContext )
+{
+    sal_Int64 handle = reinterpret_cast< sal_Int64 >( m_vm_access.get() );
+    css::uno::Any arg( css::beans::NamedValue( "UnoVirtualMachine", css::uno::makeAny( handle ) ) );
+    return xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+        "com.sun.star.java.JavaVirtualMachine",
+        css::uno::Sequence< css::uno::Any >( &arg, 1 ), xContext );
+}
+
+css::uno::Reference< css::uno::XInterface > SingletonFactory::createInstanceWithArgumentsAndContext(
+    css::uno::Sequence< css::uno::Any > const & args, css::uno::Reference< css::uno::XComponentContext > const & xContext )
+{
+    return xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+        "com.sun.star.java.JavaVirtualMachine",
+        args, xContext );
+}
+
+}
+
+namespace javaunohelper {
+
+::rtl::Reference< ::jvmaccess::UnoVirtualMachine > create_vm_access(
+    JNIEnv * jni_env, jobject loader )
+{
+    JavaVM * vm;
+    jni_env->GetJavaVM( &vm );
+    try {
+        return new ::jvmaccess::UnoVirtualMachine(
+            new ::jvmaccess::VirtualMachine(
+                vm, JNI_VERSION_1_2, false, jni_env ),
+            loader );
+    } catch ( ::jvmaccess::UnoVirtualMachine::CreationException & ) {
+        throw css::uno::RuntimeException( "jvmaccess::UnoVirtualMachine::CreationException occurred" );
+    }
+}
+
+css::uno::Reference< css::uno::XComponentContext > install_vm_singleton(
+    css::uno::Reference< css::uno::XComponentContext > const & xContext,
+    ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > const & vm_access )
+{
+    css::uno::Reference< css::lang::XSingleComponentFactory > xFac( new SingletonFactory( vm_access ) );
+    ::cppu::ContextEntry_Init entry(
+        "/singletons/com.sun.star.java.theJavaVirtualMachine",
+        css::uno::makeAny( xFac ), true );
+    return ::cppu::createComponentContext( &entry, 1, xContext );
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */