1 files changed, 124 insertions, 0 deletions
diff --git a/jvmaccess/source/virtualmachine.cxx b/jvmaccess/source/virtualmachine.cxx
new file mode 100644
index 000000000000..db6a596e1b56
--- /dev/null
+++ b/jvmaccess/source/virtualmachine.cxx
@@ -0,0 +1,124 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "jvmaccess/virtualmachine.hxx"
+
+#include "osl/diagnose.h"
+
+using jvmaccess::VirtualMachine;
+
+VirtualMachine::AttachGuard::CreationException::CreationException()
+{}
+
+VirtualMachine::AttachGuard::CreationException::CreationException(
+    CreationException const &)
+{}
+
+VirtualMachine::AttachGuard::CreationException::~CreationException()
+{}
+
+VirtualMachine::AttachGuard::CreationException &
+VirtualMachine::AttachGuard::CreationException::operator =(
+    CreationException const &)
+{
+    return *this;
+}
+
+VirtualMachine::AttachGuard::AttachGuard(
+    rtl::Reference< VirtualMachine > const & rMachine):
+    m_xMachine(rMachine)
+{
+    OSL_ENSURE(m_xMachine.is(), "bad parameter");
+    m_pEnvironment = m_xMachine->attachThread(&m_bDetach);
+    if (m_pEnvironment == 0)
+        throw CreationException();
+}
+
+VirtualMachine::AttachGuard::~AttachGuard()
+{
+    if (m_bDetach)
+        m_xMachine->detachThread();
+}
+
+VirtualMachine::VirtualMachine(JavaVM * pVm, int nVersion, bool bDestroy,
+                               JNIEnv * pMainThreadEnv):
+    m_pVm(pVm), m_nVersion(nVersion), m_bDestroy(bDestroy)
+{
+    (void) pMainThreadEnv; // avoid warnings
+#ifdef SOLAR_JAVA
+    OSL_ENSURE(pVm != 0 && nVersion >= JNI_VERSION_1_2 && pMainThreadEnv != 0,
+               "bad parameter");
+#endif
+}
+
+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();
+        OSL_ENSURE(n == JNI_OK, "JNI: DestroyJavaVM failed");
+*/
+    }
+}
+
+JNIEnv * VirtualMachine::attachThread(bool * pAttached) const
+{
+#ifndef SOLAR_JAVA
+    return 0;
+#else
+    OSL_ENSURE(pAttached != 0, "bad parameter");
+    JNIEnv * pEnv;
+    jint n = m_pVm->GetEnv(reinterpret_cast< void ** >(&pEnv), m_nVersion);
+    if (n != JNI_OK && n != JNI_EDETACHED) {
+        OSL_ENSURE(false, "JNI: GetEnv failed");
+    }
+    if (pEnv == 0)
+    {
+        if (m_pVm->AttachCurrentThread(reinterpret_cast< void ** >(&pEnv), 0)
+            != JNI_OK)
+            return 0;
+        *pAttached = true;
+    }
+    else
+        *pAttached = false;
+    return pEnv;
+#endif
+}
+
+void VirtualMachine::detachThread() const
+{
+#ifdef SOLAR_JAVA
+    if (m_pVm->DetachCurrentThread() != JNI_OK) {
+        OSL_ENSURE(false, "JNI: DetachCurrentThread failed");
+    }
+#endif
+}