v0.2.50..v0.2.51 changeset OsmChangesetFileWriterFactory.cpp

diff --git a/hoot-core/src/main/cpp/hoot/core/io/OsmChangesetFileWriterFactory.cpp b/hoot-core/src/main/cpp/hoot/core/io/OsmChangesetFileWriterFactory.cpp
new file mode 100644
index 0000000..3b125b8
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/io/OsmChangesetFileWriterFactory.cpp
@@ -0,0 +1,100 @@
+/*
+ * This file is part of Hootenanny.
+ *
+ * Hootenanny is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --------------------------------------------------------------------
+ *
+ * The following copyright notices are generated automatically. If you
+ * have a new notice to add, please use the format:
+ * " * @copyright Copyright ..."
+ * This will properly maintain the copyright information. DigitalGlobe
+ * copyrights will be updated automatically.
+ *
+ * @copyright Copyright (C) 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#include "OsmChangesetFileWriterFactory.h"
+
+// hoot
+#include <hoot/core/util/Factory.h>
+#include <hoot/core/io/OsmChangesetFileWriter.h>
+#include <hoot/core/io/OsmApiDbSqlChangesetFileWriter.h>
+#include <hoot/core/util/ConfigOptions.h>
+#include <hoot/core/util/Log.h>
+
+namespace hoot
+{
+
+std::shared_ptr<OsmChangesetFileWriterFactory> OsmChangesetFileWriterFactory::_theInstance;
+
+OsmChangesetFileWriterFactory::OsmChangesetFileWriterFactory()
+{
+}
+
+OsmChangesetFileWriterFactory& OsmChangesetFileWriterFactory::getInstance()
+{
+  if (!_theInstance.get())
+  {
+    _theInstance.reset(new OsmChangesetFileWriterFactory());
+  }
+  return *_theInstance;
+}
+
+std::shared_ptr<OsmChangesetFileWriter> OsmChangesetFileWriterFactory::createWriter(
+  const QString& url, const QString& osmApiDbUrl)
+{
+  LOG_VARD(url);
+  LOG_VARD(osmApiDbUrl);
+
+  std::vector<std::string> names =
+    Factory::getInstance().getObjectNamesByBase(OsmChangesetFileWriter::className());
+  std::shared_ptr<OsmChangesetFileWriter> writer;
+  for (size_t i = 0; i < names.size() && !writer; ++i)
+  {
+    LOG_VARD(names[i]);
+    writer.reset(Factory::getInstance().constructObject<OsmChangesetFileWriter>(names[i]));
+    if (writer->isSupported(url))
+    {
+      LOG_DEBUG("Using changeset output writer: " << names[i]);
+      if (url.endsWith(".osc.sql"))
+      {
+        if (osmApiDbUrl.isEmpty())
+        {
+          throw IllegalArgumentException(
+            "No OSM API database URL specified for OsmApiDbSqlChangesetFileWriter input.");
+        }
+        else
+        {
+          std::shared_ptr<OsmApiDbSqlChangesetFileWriter> dbWriter =
+            std::dynamic_pointer_cast<OsmApiDbSqlChangesetFileWriter>(writer);
+          assert(dbWriter.get());
+          dbWriter->setOsmApiDbUrl(osmApiDbUrl);
+        }
+      }
+    }
+    else
+    {
+      writer.reset();
+    }
+  }
+
+  if (!writer)
+  {
+    throw IllegalArgumentException("A valid writer could not be found for the URL: " + url);
+  }
+
+  return writer;
+}
+
+}