1 files changed, 155 insertions, 0 deletions
diff --git a/reportbuilder/java/org/libreoffice/report/pentaho/StarReportData.java b/reportbuilder/java/org/libreoffice/report/pentaho/StarReportData.java
new file mode 100644
index 000000000..442703ea4
--- /dev/null
+++ b/reportbuilder/java/org/libreoffice/report/pentaho/StarReportData.java
@@ -0,0 +1,155 @@
+/*
+ * 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.DataSource;
+
+import org.jfree.report.DataSourceException;
+import org.jfree.report.ReportData;
+
+public class StarReportData implements ReportData
+{
+
+    private final DataSource dataSource;
+    private int currentRow;
+    private final int rowCount;
+
+    public StarReportData(final DataSource dataSource)
+            throws org.libreoffice.report.DataSourceException
+    {
+        if (dataSource == null)
+        {
+            throw new NullPointerException();
+        }
+        this.dataSource = dataSource;
+        this.currentRow = 0;
+        this.rowCount = dataSource.getRowCount();
+    }
+
+    public boolean setCursorPosition(final int row) throws DataSourceException
+    {
+        try
+        {
+            final boolean ret = dataSource.absolute(row);
+            if (ret)
+            {
+                currentRow = row;
+            }
+            return ret;
+        }
+        catch (org.libreoffice.report.DataSourceException e)
+        {
+            throw new DataSourceException("Failed to move cursor", e);
+        }
+    }
+
+    public void close()
+            throws DataSourceException
+    {
+        try
+        {
+            dataSource.close();
+        }
+        catch (org.libreoffice.report.DataSourceException e)
+        {
+            throw new DataSourceException("Failed to close datasource", e);
+        }
+    }
+
+    public int getCursorPosition()
+            throws DataSourceException
+    {
+        return currentRow;
+    }
+
+    /**
+     * This operation checks, whether a call to next will be likely to succeed. If
+     * there is a next data row, this should return true.
+     */
+    public boolean isAdvanceable() throws DataSourceException
+    {
+        return currentRow < rowCount;
+    }
+
+    public boolean next()
+            throws DataSourceException
+    {
+        try
+        {
+            if (dataSource.next())
+            {
+                currentRow += 1;
+                return true;
+            }
+            return false;
+        }
+        catch (org.libreoffice.report.DataSourceException e)
+        {
+            throw new DataSourceException("Failed to move cursor", e);
+        }
+    }
+
+    public Object get(final int column)
+            throws DataSourceException
+    {
+        if (!isReadable())
+        {
+            throw new DataSourceException("Failed to query column.");
+        }
+
+        try
+        {
+            return dataSource.getObject(column + 1);
+        }
+        catch (org.libreoffice.report.DataSourceException e)
+        {
+            throw new DataSourceException("Failed to query column.", e);
+        }
+    }
+
+    public int getColumnCount()
+            throws DataSourceException
+    {
+        try
+        {
+            return dataSource.getColumnCount();
+        }
+        catch (org.libreoffice.report.DataSourceException e)
+        {
+            throw new DataSourceException("Failed to query column count.", e);
+        }
+    }
+
+    public String getColumnName(final int column)
+            throws DataSourceException
+    {
+        try
+        {
+            return dataSource.getColumnName(column + 1);
+        }
+        catch (org.libreoffice.report.DataSourceException e)
+        {
+            throw new DataSourceException("Failed to query column name.", e);
+        }
+    }
+
+    public boolean isReadable() throws DataSourceException
+    {
+        return currentRow > 0 && rowCount > 0;
+    }
+}