01: /*
02: * Copyright (C) 2006 Erik Swenson - erik@oreports.com
03: *
04: * This program is free software; you can redistribute it and/or modify it
05: * under the terms of the GNU General Public License as published by the Free
06: * Software Foundation; either version 2 of the License, or (at your option)
07: * any later version.
08: *
09: * This program is distributed in the hope that it will be useful, but WITHOUT
10: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12: * more details.
13: *
14: * You should have received a copy of the GNU General Public License along with
15: * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16: * Place - Suite 330, Boston, MA 02111-1307, USA.
17: *
18: */
19:
20: package org.efs.openreports.engine;
21:
22: import java.util.List;
23:
24: import org.efs.openreports.engine.input.ReportEngineInput;
25: import org.efs.openreports.engine.output.ReportEngineOutput;
26: import org.efs.openreports.objects.Report;
27: import org.efs.openreports.providers.DataSourceProvider;
28: import org.efs.openreports.providers.DirectoryProvider;
29: import org.efs.openreports.providers.PropertiesProvider;
30: import org.efs.openreports.providers.ProviderException;
31:
32: public abstract class ReportEngine {
33: protected DataSourceProvider dataSourceProvider;
34: protected DirectoryProvider directoryProvider;
35: protected PropertiesProvider propertiesProvider;
36:
37: public ReportEngine(DataSourceProvider dataSourceProvider,
38: DirectoryProvider directoryProvider,
39: PropertiesProvider propertiesProvider) {
40: this .dataSourceProvider = dataSourceProvider;
41: this .directoryProvider = directoryProvider;
42: this .propertiesProvider = propertiesProvider;
43: }
44:
45: public abstract ReportEngineOutput generateReport(
46: ReportEngineInput input) throws ProviderException;
47:
48: public abstract List buildParameterList(Report report)
49: throws ProviderException;
50: }
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