1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.catalina.mbeans;
19
20
21 import javax.management.MBeanException;
22 import javax.management.MBeanServer;
23 import javax.management.RuntimeOperationsException;
24
25 import org.apache.catalina.Valve;
26 import org.apache.catalina.core.StandardHost;
27 import org.apache.tomcat.util.modeler.BaseModelMBean;
28 import org.apache.tomcat.util.modeler.ManagedBean;
29 import org.apache.tomcat.util.modeler.Registry;
30
31
32 /**
33 * <p>A <strong>ModelMBean</strong> implementation for the
34 * <code>org.apache.catalina.core.StandardHost</code> component.</p>
35 *
36 * @author Amy Roh
37 * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
38 */
39
40 public class StandardHostMBean extends BaseModelMBean {
41
42 /**
43 * The <code>MBeanServer</code> for this application.
44 */
45 private static MBeanServer mserver = MBeanUtils.createServer();
46
47 // ----------------------------------------------------------- Constructors
48
49
50 /**
51 * Construct a <code>ModelMBean</code> with default
52 * <code>ModelMBeanInfo</code> information.
53 *
54 * @exception MBeanException if the initializer of an object
55 * throws an exception
56 * @exception RuntimeOperationsException if an IllegalArgumentException
57 * occurs
58 */
59 public StandardHostMBean()
60 throws MBeanException, RuntimeOperationsException {
61
62 super();
63
64 }
65
66
67 // ------------------------------------------------------------- Attributes
68
69
70
71 // ------------------------------------------------------------- Operations
72
73
74 /**
75 * Add an alias name that should be mapped to this Host
76 *
77 * @param alias The alias to be added
78 *
79 * @exception Exception if an MBean cannot be created or registered
80 */
81 public void addAlias(String alias)
82 throws Exception {
83
84 StandardHost host = (StandardHost) this.resource;
85 host.addAlias(alias);
86
87 }
88
89
90 /**
91 * Return the set of alias names for this Host
92 *
93 * @exception Exception if an MBean cannot be created or registered
94 */
95 public String [] findAliases()
96 throws Exception {
97
98 StandardHost host = (StandardHost) this.resource;
99 return host.findAliases();
100
101 }
102
103
104 /**
105 * Return the MBean Names of the Valves assoicated with this Host
106 *
107 * @exception Exception if an MBean cannot be created or registered
108 */
109 public String [] getValves()
110 throws Exception {
111
112 Registry registry = MBeanUtils.createRegistry();
113 StandardHost host = (StandardHost) this.resource;
114 String mname = MBeanUtils.createManagedName(host);
115 ManagedBean managed = registry.findManagedBean(mname);
116 String domain = null;
117 if (managed != null) {
118 domain = managed.getDomain();
119 }
120 if (domain == null)
121 domain = mserver.getDefaultDomain();
122 Valve [] valves = host.getValves();
123 String [] mbeanNames = new String[valves.length];
124 for (int i = 0; i < valves.length; i++) {
125 mbeanNames[i] =
126 MBeanUtils.createObjectName(domain, valves[i]).toString();
127 }
128
129 return mbeanNames;
130
131 }
132
133
134 /**
135 * Return the specified alias name from the aliases for this Host
136 *
137 * @param alias Alias name to be removed
138 *
139 * @exception Exception if an MBean cannot be created or registered
140 */
141 public void removeAlias(String alias)
142 throws Exception {
143
144 StandardHost host = (StandardHost) this.resource;
145 host.removeAlias(alias);
146
147 }
148
149
150 }
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