| /************************************************************** |
| * |
| * 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.DataSourceException; |
| import com.sun.star.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! |
| * |
| * @param query |
| * @param parameters |
| * @return |
| */ |
| public ReportData queryData(final String query, final DataSet parameters) |
| throws ReportDataFactoryException |
| { |
| try |
| { |
| final HashMap map = new HashMap(); |
| 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); |
| } |
| } |
| |
| public void open() |
| { |
| } |
| |
| public void close() |
| { |
| } |
| |
| /** |
| * Derives a freshly initialized report data factory, which is independend of |
| * the original data factory. Opening or Closing one data factory must not |
| * affect the other factories. |
| * |
| * @return |
| */ |
| public ReportDataFactory derive() |
| { |
| try |
| { |
| return (ReportDataFactory) clone(); |
| } |
| catch (CloneNotSupportedException e) |
| { |
| throw new IllegalStateException("Clone failed?"); |
| } |
| } |
| |
| public Object clone() throws CloneNotSupportedException |
| { |
| return super.clone(); |
| } |
| } |