01: /*
02: * argun 1.0
03: * Web 2.0 delivery framework
04: * Copyright (C) 2007 Hammurapi Group
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: *
20: * URL: http://www.hammurapi.biz
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.web.mda;
24:
25: import java.sql.SQLException;
26: import java.util.Map;
27:
28: import biz.hammurapi.sql.SQLProcessor;
29: import biz.hammurapi.web.HammurapiWebException;
30: import biz.hammurapi.web.eval.EvaluationResult;
31: import biz.hammurapi.web.eval.EvaluatorFactory;
32: import biz.hammurapi.web.mda.sql.MdaEngine;
33: import biz.hammurapi.web.mda.sql.MdaTemplate;
34:
35: /**
36: * Creates template instances.
37: * @author Pavel Vlasov
38: */
39: public class TemplateFactory {
40:
41: private EvaluatorFactory evaluatorFactory;
42: private MdaEngine engine;
43:
44: public TemplateFactory(SQLProcessor processor,
45: EvaluatorFactory evaluatorFactory) {
46: this .evaluatorFactory = evaluatorFactory;
47: engine = new MdaEngine(processor);
48: }
49:
50: public Template getTemplate(final String category, final String name)
51: throws HammurapiWebException {
52: try {
53: return getTemplate(engine.getTemplateByCategoryAndName(
54: category, name));
55: } catch (SQLException e) {
56: throw new HammurapiWebException(e);
57: }
58: }
59:
60: public Template getTemplate(int id) throws HammurapiWebException {
61: try {
62: return getTemplate(engine.getMdaTemplate(id));
63: } catch (SQLException e) {
64: throw new HammurapiWebException(e);
65: }
66: }
67:
68: private Template getTemplate(final MdaTemplate data) {
69: return new Template() {
70:
71: public String evaluate(Map context, ClassLoader classLoader)
72: throws HammurapiWebException {
73: EvaluationResult result = evaluatorFactory.evaluate(
74: data.getRenderLanguage(), data
75: .getTemplateCode(), data.getName(),
76: context, classLoader == null ? getClass()
77: .getClassLoader() : classLoader);
78: return result.getOutput();
79: }
80:
81: public String getCategory() {
82: return data.getCategory();
83: }
84:
85: public String getDescription() {
86: return data.getDescription();
87: }
88:
89: public String getName() {
90: return data.getName();
91: }
92:
93: public String getSubCategory() {
94: return data.getSubCategory();
95: }
96:
97: };
98: }
99: }
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