diff options
Diffstat (limited to 'reportbuilder/java/com/sun/star/report/pentaho/StarReportData.java')
-rw-r--r-- | reportbuilder/java/com/sun/star/report/pentaho/StarReportData.java | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/pentaho/StarReportData.java b/reportbuilder/java/com/sun/star/report/pentaho/StarReportData.java new file mode 100644 index 000000000000..b53271cb78d1 --- /dev/null +++ b/reportbuilder/java/com/sun/star/report/pentaho/StarReportData.java @@ -0,0 +1,168 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ +package com.sun.star.report.pentaho; + +import com.sun.star.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 com.sun.star.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 (com.sun.star.report.DataSourceException e) + { + throw new DataSourceException("Failed to move cursor", e); + } + } + + public void close() + throws DataSourceException + { + try + { + dataSource.close(); + } + catch (com.sun.star.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. + * + * @return + * @throws org.jfree.report.DataSourceException + * + */ + public boolean isAdvanceable() throws DataSourceException + { + return currentRow < rowCount; + } + + public boolean next() + throws DataSourceException + { + try + { + if (dataSource.next()) + { + currentRow += 1; + return true; + } + return false; + } + catch (com.sun.star.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 (com.sun.star.report.DataSourceException e) + { + throw new DataSourceException("Failed to query column.", e); + } + } + + public int getColumnCount() + throws DataSourceException + { + try + { + return dataSource.getColumnCount(); + } + catch (com.sun.star.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 (com.sun.star.report.DataSourceException e) + { + throw new DataSourceException("Failed to query column name.", e); + } + } + + public boolean isReadable() throws DataSourceException + { + return currentRow > 0 && rowCount > 0; + } +} |