01: /*
02: * This file is part of PFIXCORE.
03: *
04: * PFIXCORE is free software; you can redistribute it and/or modify
05: * it under the terms of the GNU Lesser General Public License as published by
06: * the Free Software Foundation; either version 2 of the License, or
07: * (at your option) any later version.
08: *
09: * PFIXCORE is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12: * GNU Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public License
15: * along with PFIXCORE; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: */
18:
19: package de.schlund.pfixxml.config.impl;
20:
21: import java.util.HashMap;
22: import java.util.Map;
23:
24: import org.xml.sax.Attributes;
25: import org.xml.sax.SAXException;
26:
27: import de.schlund.pfixcore.workflow.State;
28:
29: public class ServletInfoDefaultStateRule extends CheckedRule {
30:
31: private ContextXMLServletConfigImpl config;
32:
33: public ServletInfoDefaultStateRule(
34: ContextXMLServletConfigImpl config) {
35: this .config = config;
36: }
37:
38: public void begin(String namespace, String name,
39: Attributes attributes) throws Exception {
40: check(namespace, name, attributes);
41: String className = attributes.getValue("class");
42: if (className == null) {
43: throw new Exception("Attribute \"class\" is mandatory!");
44: }
45: Class<?> clazz;
46: try {
47: clazz = Class.forName(className);
48: } catch (ClassNotFoundException e) {
49: throw new SAXException("Could not load class \""
50: + className + "\"!", e);
51: }
52: if (!State.class.isAssignableFrom(clazz)) {
53: throw new SAXException("Default state class " + clazz
54: + " does not implement " + State.class
55: + " interface!");
56: }
57: config.setDefaultStaticState(clazz.asSubclass(State.class));
58: }
59:
60: protected Map<String, Boolean> wantsAttributes() {
61: HashMap<String, Boolean> atts = new HashMap<String, Boolean>();
62: atts.put("class", true);
63: return atts;
64: }
65: }
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