Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 143 insertions, 0 deletions

diff --git a/ucbhelper/source/provider/registerucb.cxx b/ucbhelper/source/provider/registerucb.cxx
new file mode 100644
index 000000000..842fc0083
--- /dev/null
+++ b/ucbhelper/source/provider/registerucb.cxx
@@ -0,0 +1,143 @@
+/* -*- 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 <ucbhelper/registerucb.hxx>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/ucb/DuplicateProviderException.hpp>
+#include <com/sun/star/ucb/XContentProviderManager.hpp>
+#include <com/sun/star/ucb/XParameterizedContentProvider.hpp>
+#include <com/sun/star/ucb/ContentProviderProxyFactory.hpp>
+#include <com/sun/star/ucb/XContentProviderFactory.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/uno/RuntimeException.hpp>
+
+#include <osl/diagnose.h>
+
+using namespace com::sun::star;
+
+namespace ucbhelper {
+
+
+//  registerAtUcb
+
+
+bool
+registerAtUcb(
+    uno::Reference< ucb::XContentProviderManager > const & rManager,
+    uno::Reference< uno::XComponentContext > const & rxContext,
+    OUString const & rName,
+    OUString const & rArguments,
+    OUString const & rTemplate)
+{
+    OSL_ENSURE(rxContext.is(),
+               "ucb::registerAtUcb(): No service factory");
+
+    bool bNoProxy = rArguments.startsWith("{noproxy}");
+    OUString
+        aProviderArguments(bNoProxy ?
+                               rArguments.
+                                   copy(RTL_CONSTASCII_LENGTH("{noproxy}")) :
+                               rArguments);
+
+    uno::Reference< ucb::XContentProvider > xProvider;
+
+    if (!rName.isEmpty())
+    {
+        // First, try to instantiate proxy for provider:
+        if (!bNoProxy)
+        {
+            uno::Reference< ucb::XContentProviderFactory > xProxyFactory;
+            try
+            {
+                xProxyFactory = ucb::ContentProviderProxyFactory::create( rxContext );
+            }
+            catch (uno::Exception const &) {}
+            OSL_ENSURE(xProxyFactory.is(), "No ContentProviderProxyFactory");
+            if (xProxyFactory.is())
+                xProvider = xProxyFactory->createContentProvider(rName);
+        }
+
+        // Then, try to instantiate provider directly:
+        if (!xProvider.is())
+            try
+            {
+                xProvider.set(
+                    rxContext->getServiceManager()->createInstanceWithContext(rName, rxContext),
+                    uno::UNO_QUERY);
+            }
+            catch (uno::RuntimeException const &) { throw; }
+            catch (uno::Exception const &) {}
+    }
+
+    uno::Reference< ucb::XParameterizedContentProvider >
+        xParameterized(xProvider, uno::UNO_QUERY);
+    if (xParameterized.is())
+    {
+        uno::Reference< ucb::XContentProvider > xInstance;
+        try
+        {
+            xInstance = xParameterized->registerInstance(rTemplate,
+                                                         aProviderArguments,
+                                                         true);
+                //@@@ if this call replaces an old instance, the commit-or-
+                // rollback code below will not work
+        }
+        catch (lang::IllegalArgumentException const &) {}
+
+        if (xInstance.is())
+            xProvider = xInstance;
+    }
+
+    bool bSuccess = false;
+    if (rManager.is() && (rName.isEmpty() || xProvider.is()))
+    {
+        try
+        {
+            rManager->registerContentProvider(xProvider, rTemplate, true);
+            bSuccess = true;
+        }
+        catch (ucb::DuplicateProviderException const &)
+        {
+            if (xParameterized.is())
+                try
+                {
+                    xParameterized->deregisterInstance(rTemplate,
+                                                       aProviderArguments);
+                }
+                catch (lang::IllegalArgumentException const &) {}
+        }
+        catch (...)
+        {
+            if (xParameterized.is())
+                try
+                {
+                    xParameterized->deregisterInstance(rTemplate,
+                                                       aProviderArguments);
+                }
+                catch (lang::IllegalArgumentException const &) {}
+                catch (uno::RuntimeException const &) {}
+            throw;
+        }
+    }
+    return bSuccess;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */