01: /*
02: * hgcommons 7
03: * Hammurapi Group Common Library
04: * Copyright (C) 2003 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/hammurapi-biz/ef/xmenu/hammurapi-group/products/products/hgcommons/index.html
21: * e-Mail: support@hammurapi.biz
22: */
23: package biz.hammurapi.config;
24:
25: import java.net.MalformedURLException;
26: import java.rmi.Naming;
27: import java.rmi.NotBoundException;
28: import java.rmi.RemoteException;
29:
30: import javax.rmi.PortableRemoteObject;
31:
32: import org.w3c.dom.Element;
33: import org.w3c.dom.Node;
34:
35: /**
36: * Binds remote object to name tree.
37: * @author Pavel Vlasov
38: * @revision $Revision$
39: */
40: public class RmiWrapper implements Wrapper, Component, DomConfigurable {
41: private Object master;
42: private Class narrowTo;
43: private String url;
44:
45: public Object getMaster() {
46: return master;
47: }
48:
49: public void start() throws ConfigurationException {
50: try {
51: master = Naming.lookup(url);
52: if (narrowTo != null) {
53: master = PortableRemoteObject.narrow(master, narrowTo);
54: }
55: } catch (MalformedURLException e) {
56: throw new ConfigurationException("Could not lookup '" + url
57: + "' - " + e, e);
58: } catch (RemoteException e) {
59: throw new ConfigurationException("Could not lookup '" + url
60: + "' - " + e, e);
61: } catch (NotBoundException e) {
62: throw new ConfigurationException("Could not bind '" + url
63: + "' - " + e, e);
64: }
65: }
66:
67: public void stop() {
68: // Nothing
69: }
70:
71: public void setOwner(Object owner) {
72: // nothing
73:
74: }
75:
76: public void configure(Node configNode, Context context)
77: throws ConfigurationException {
78: Element ce = (Element) configNode;
79: url = ce.getAttribute("url");
80:
81: if (ce.hasAttribute("narrow-to")) {
82: try {
83: narrowTo = Class.forName(ce.getAttribute("narrow-to"));
84: } catch (ClassNotFoundException e) {
85: throw new ConfigurationException(
86: "Narrow-to class not found: "
87: + ce.getAttribute("narrow-to"), e);
88: }
89: }
90: }
91:
92: }
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