1 files changed, 111 insertions, 0 deletions
diff --git a/reportbuilder/java/org/libreoffice/report/pentaho/StarReportDataFactory.java b/reportbuilder/java/org/libreoffice/report/pentaho/StarReportDataFactory.java
new file mode 100644
index 000000000..3fde6704a
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+++ b/reportbuilder/java/org/libreoffice/report/pentaho/StarReportDataFactory.java
@@ -0,0 +1,111 @@
+/*
+ * 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 .
+ */
+package org.libreoffice.report.pentaho;
+
+import org.libreoffice.report.DataSourceException;
+import org.libreoffice.report.DataSourceFactory;
+
+import java.util.HashMap;
+
+import org.jfree.report.DataSet;
+import org.jfree.report.ReportData;
+import org.jfree.report.ReportDataFactory;
+import org.jfree.report.ReportDataFactoryException;
+
+
+public class StarReportDataFactory implements ReportDataFactory, Cloneable
+{
+
+    private final DataSourceFactory backend;
+
+    public StarReportDataFactory(DataSourceFactory backend)
+    {
+        this.backend = backend;
+    }
+
+    /**
+     * Queries a datasource. The string 'query' defines the name of the query. The
+     * Parameterset given here may contain more data than actually needed.
+     *
+     * <p>The dataset may change between two calls, do not assume anything!</p>
+     */
+    public ReportData queryData(final String query, final DataSet parameters)
+            throws ReportDataFactoryException
+    {
+        try
+        {
+            final HashMap<String, Object> map = new HashMap<String, Object>();
+            final int count = parameters.getColumnCount();
+            for (int i = 0; i < count; i++)
+            {
+                final Object o = parameters.get(i);
+                map.put(parameters.getColumnName(i), o);
+            }
+            return new StarReportData(backend.queryData(query, map));
+        }
+        catch (DataSourceException dse)
+        {
+            String message = dse.getMessage();
+            if (message.length() == 0)
+            {
+                message = "Failed to create report data wrapper";
+            }
+            throw new ReportDataFactoryException(message, dse);
+        }
+        catch (org.jfree.report.DataSourceException e)
+        {
+            String message = e.getMessage();
+            if (message.length() == 0)
+            {
+                message = "Failed to query data";
+            }
+            throw new ReportDataFactoryException(message, e);
+        }
+    }
+
+    public void open()
+    {
+    }
+
+    public void close()
+    {
+    }
+
+    /**
+     * Derives a freshly initialized report data factory, which is independent of
+     * the original data factory. Opening or Closing one data factory must not
+     * affect the other factories.
+     */
+    public ReportDataFactory derive()
+    {
+        try
+        {
+            return (ReportDataFactory) clone();
+        }
+        catch (CloneNotSupportedException e)
+        {
+            throw new IllegalStateException(e);
+        }
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException
+    {
+        return super.clone();
+    }
+}