| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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; |
| } |
| } |