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-rw-r--r--jvmaccess/source/classpath.cxx108
-rw-r--r--jvmaccess/source/unovirtualmachine.cxx79
-rw-r--r--jvmaccess/source/virtualmachine.cxx119
3 files changed, 306 insertions, 0 deletions
diff --git a/jvmaccess/source/classpath.cxx b/jvmaccess/source/classpath.cxx
new file mode 100644
index 000000000..95915196b
--- /dev/null
+++ b/jvmaccess/source/classpath.cxx
@@ -0,0 +1,108 @@
+/* -*- 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 <jvmaccess/classpath.hxx>
+
+#include <cassert>
+#include <vector>
+
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/XInterface.hpp>
+#include <com/sun/star/uri/UriReferenceFactory.hpp>
+#include <com/sun/star/uri/XVndSunStarExpandUrlReference.hpp>
+#include <com/sun/star/util/theMacroExpander.hpp>
+#include <cppuhelper/exc_hlp.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <o3tl/string_view.hxx>
+
+#include <jni.h>
+
+namespace com::sun::star::uno { class XComponentContext; }
+
+jobjectArray jvmaccess::ClassPath::translateToUrls(
+ css::uno::Reference< css::uno::XComponentContext > const & context,
+ JNIEnv * environment, std::u16string_view classPath)
+{
+ assert(context.is());
+ assert(environment != nullptr);
+ jclass classUrl(environment->FindClass("java/net/URL"));
+ if (classUrl == nullptr) {
+ return nullptr;
+ }
+ jmethodID ctorUrl(
+ environment->GetMethodID(classUrl, "<init>", "(Ljava/lang/String;)V"));
+ if (ctorUrl == nullptr) {
+ return nullptr;
+ }
+ ::std::vector< jobject > urls;
+ for (::sal_Int32 i = 0; i != -1;) {
+ OUString url(o3tl::getToken(classPath, 0, ' ', i));
+ if (!url.isEmpty()) {
+ css::uno::Reference< css::uri::XVndSunStarExpandUrlReference >
+ expUrl(
+ css::uri::UriReferenceFactory::create(context)->parse(url),
+ css::uno::UNO_QUERY);
+ if (expUrl.is()) {
+ css::uno::Reference< css::util::XMacroExpander > expander =
+ css::util::theMacroExpander::get(context);
+ try {
+ url = expUrl->expand( expander );
+ } catch (const css::lang::IllegalArgumentException & e) {
+ css::uno::Any anyEx = cppu::getCaughtException();
+ throw css::lang::WrappedTargetRuntimeException(
+ "com.sun.star.lang.IllegalArgumentException: "
+ + e.Message,
+ nullptr, anyEx );
+ }
+ }
+ jvalue arg;
+ arg.l = environment->NewString(
+ reinterpret_cast< jchar const * >(url.getStr()),
+ static_cast< jsize >(url.getLength()));
+ if (arg.l == nullptr) {
+ return nullptr;
+ }
+ jobject o(environment->NewObjectA(classUrl, ctorUrl, &arg));
+ if (o == nullptr) {
+ return nullptr;
+ }
+ urls.push_back(o);
+ }
+ }
+ jobjectArray result = environment->NewObjectArray(
+ static_cast< jsize >(urls.size()), classUrl, nullptr);
+ // static_cast is ok, as each element of urls occupied at least one
+ // character of the OUString classPath
+ if (result == nullptr) {
+ return nullptr;
+ }
+ jsize idx = 0;
+ for (auto const& url : urls)
+ {
+ environment->SetObjectArrayElement(result, idx++, url);
+ }
+ return result;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/jvmaccess/source/unovirtualmachine.cxx b/jvmaccess/source/unovirtualmachine.cxx
new file mode 100644
index 000000000..08bfbcdcf
--- /dev/null
+++ b/jvmaccess/source/unovirtualmachine.cxx
@@ -0,0 +1,79 @@
+/* -*- 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 <jvmaccess/unovirtualmachine.hxx>
+
+#include <jvmaccess/virtualmachine.hxx>
+#include <sal/log.hxx>
+#include <utility>
+
+#include <jni.h>
+
+namespace jvmaccess {
+
+UnoVirtualMachine::CreationException::CreationException() {}
+
+UnoVirtualMachine::CreationException::CreationException(
+ CreationException const &)
+{}
+
+UnoVirtualMachine::CreationException &
+UnoVirtualMachine::CreationException::operator =(CreationException const &) {
+ return *this;
+}
+
+UnoVirtualMachine::UnoVirtualMachine(
+ rtl::Reference< jvmaccess::VirtualMachine > virtualMachine,
+ void * classLoader):
+ m_virtualMachine(std::move(virtualMachine)),
+ m_classLoader(nullptr)
+{
+ try {
+ m_classLoader =
+ jvmaccess::VirtualMachine::AttachGuard(m_virtualMachine).
+ getEnvironment()->NewGlobalRef(static_cast< jobject >(classLoader));
+ } catch (jvmaccess::VirtualMachine::AttachGuard::CreationException &) {}
+ if (m_classLoader == nullptr) {
+ throw CreationException();
+ }
+}
+
+const rtl::Reference< jvmaccess::VirtualMachine >&
+UnoVirtualMachine::getVirtualMachine() const {
+ return m_virtualMachine;
+}
+
+UnoVirtualMachine::~UnoVirtualMachine() {
+ try {
+ jvmaccess::VirtualMachine::AttachGuard(m_virtualMachine).
+ getEnvironment()->DeleteGlobalRef(
+ static_cast< jobject >(m_classLoader));
+ } catch (jvmaccess::VirtualMachine::AttachGuard::CreationException &) {
+ SAL_INFO(
+ "jvmaccess",
+ "ignored"
+ " jvmaccess::VirtualMachine::AttachGuard::CreationException");
+ }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/jvmaccess/source/virtualmachine.cxx b/jvmaccess/source/virtualmachine.cxx
new file mode 100644
index 000000000..eb4b8069c
--- /dev/null
+++ b/jvmaccess/source/virtualmachine.cxx
@@ -0,0 +1,119 @@
+/* -*- 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 <cassert>
+
+#include <jvmaccess/virtualmachine.hxx>
+#include <sal/log.hxx>
+#include <utility>
+
+using jvmaccess::VirtualMachine;
+
+VirtualMachine::AttachGuard::CreationException::CreationException()
+{}
+
+VirtualMachine::AttachGuard::CreationException::CreationException(
+ CreationException const &)
+{}
+
+VirtualMachine::AttachGuard::CreationException &
+VirtualMachine::AttachGuard::CreationException::operator =(
+ CreationException const &)
+{
+ return *this;
+}
+
+VirtualMachine::AttachGuard::AttachGuard(
+ rtl::Reference< VirtualMachine > xMachine):
+ m_xMachine(std::move(xMachine))
+{
+ assert(m_xMachine.is());
+ m_pEnvironment = m_xMachine->attachThread(&m_bDetach);
+ if (m_pEnvironment == nullptr)
+ throw CreationException();
+}
+
+VirtualMachine::AttachGuard::~AttachGuard()
+{
+ if (m_bDetach)
+ m_xMachine->detachThread();
+}
+
+VirtualMachine::VirtualMachine(JavaVM * pVm, int nVersion, bool bDestroy,
+ JNIEnv const * pMainThreadEnv):
+ m_pVm(pVm), m_nVersion(nVersion), m_bDestroy(bDestroy)
+{
+ (void) pMainThreadEnv; // avoid warnings
+ assert(pVm != nullptr);
+ assert(nVersion >= JNI_VERSION_1_2);
+ assert(pMainThreadEnv);
+}
+
+VirtualMachine::~VirtualMachine()
+{
+ if (m_bDestroy)
+ {
+ // Do not destroy the VM. Under Java 1.3, the AWT event loop thread is
+ // not a daemon thread and is never terminated, so that calling
+ // DestroyJavaVM (waiting for all non-daemon threads to terminate) hangs
+ // forever.
+/*
+ jint n = m_pVm->DestroyJavaVM();
+ SAL_WARN_IF(n != JNI_OK, "jvmaccess", "JNI: DestroyJavaVM failed");
+*/
+ }
+}
+
+JNIEnv * VirtualMachine::attachThread(bool * pAttached) const
+{
+ assert(pAttached != nullptr && "bad parameter");
+ JNIEnv * pEnv;
+ jint n = m_pVm->GetEnv(reinterpret_cast< void ** >(&pEnv), m_nVersion);
+ SAL_WARN_IF(
+ n != JNI_OK && n != JNI_EDETACHED, "jvmaccess", "JNI: GetEnv failed");
+ if (pEnv == nullptr)
+ {
+ if (m_pVm->AttachCurrentThread
+ (
+#ifndef ANDROID
+ reinterpret_cast< void ** >(&pEnv),
+#else
+ // The Android <jni.h> has AttachCurrentThread() taking a
+ // JNIEnv** and not void **
+ &pEnv,
+#endif
+ nullptr)
+ != JNI_OK)
+ return nullptr;
+ *pAttached = true;
+ }
+ else
+ *pAttached = false;
+ return pEnv;
+}
+
+void VirtualMachine::detachThread() const
+{
+ jint n = m_pVm->DetachCurrentThread();
+ SAL_WARN_IF(n != JNI_OK, "jvmaccess", "JNI: DetachCurrentThread failed");
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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