001: /*
002: * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/mbeans/StandardHostMBean.java,v 1.5 2002/03/08 22:01:08 amyroh Exp $
003: * $Revision: 1.5 $
004: * $Date: 2002/03/08 22:01:08 $
005: *
006: * ====================================================================
007: *
008: * The Apache Software License, Version 1.1
009: *
010: * Copyright (c) 1999 The Apache Software Foundation. All rights
011: * reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions
015: * are met:
016: *
017: * 1. Redistributions of source code must retain the above copyright
018: * notice, this list of conditions and the following disclaimer.
019: *
020: * 2. Redistributions in binary form must reproduce the above copyright
021: * notice, this list of conditions and the following disclaimer in
022: * the documentation and/or other materials provided with the
023: * distribution.
024: *
025: * 3. The end-user documentation included with the redistribution, if
026: * any, must include the following acknowlegement:
027: * "This product includes software developed by the
028: * Apache Software Foundation (http://www.apache.org/)."
029: * Alternately, this acknowlegement may appear in the software itself,
030: * if and wherever such third-party acknowlegements normally appear.
031: *
032: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033: * Foundation" must not be used to endorse or promote products derived
034: * from this software without prior written permission. For written
035: * permission, please contact apache@apache.org.
036: *
037: * 5. Products derived from this software may not be called "Apache"
038: * nor may "Apache" appear in their names without prior written
039: * permission of the Apache Group.
040: *
041: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052: * SUCH DAMAGE.
053: * ====================================================================
054: *
055: * This software consists of voluntary contributions made by many
056: * individuals on behalf of the Apache Software Foundation. For more
057: * information on the Apache Software Foundation, please see
058: * <http://www.apache.org/>.
059: *
060: * [Additional notices, if required by prior licensing conditions]
061: *
062: */
063:
064: package org.apache.catalina.mbeans;
065:
066: import javax.management.MBeanException;
067: import javax.management.MBeanServer;
068: import javax.management.ObjectName;
069: import javax.management.RuntimeOperationsException;
070: import org.apache.catalina.Engine;
071: import org.apache.catalina.Host;
072: import org.apache.catalina.Logger;
073: import org.apache.catalina.Realm;
074: import org.apache.catalina.Valve;
075: import org.apache.catalina.core.StandardContext;
076: import org.apache.catalina.core.StandardHost;
077: import org.apache.commons.modeler.BaseModelMBean;
078: import org.apache.commons.modeler.Registry;
079: import org.apache.commons.modeler.ManagedBean;
080:
081: /**
082: * <p>A <strong>ModelMBean</strong> implementation for the
083: * <code>org.apache.catalina.core.StandardHost</code> component.</p>
084: *
085: * @author Amy Roh
086: * @version $Revision: 1.5 $ $Date: 2002/03/08 22:01:08 $
087: */
088:
089: public class StandardHostMBean extends BaseModelMBean {
090:
091: /**
092: * The <code>MBeanServer</code> for this application.
093: */
094: private static MBeanServer mserver = MBeanUtils.createServer();
095:
096: // ----------------------------------------------------------- Constructors
097:
098: /**
099: * Construct a <code>ModelMBean</code> with default
100: * <code>ModelMBeanInfo</code> information.
101: *
102: * @exception MBeanException if the initializer of an object
103: * throws an exception
104: * @exception RuntimeOperationsException if an IllegalArgumentException
105: * occurs
106: */
107: public StandardHostMBean() throws MBeanException,
108: RuntimeOperationsException {
109:
110: super ();
111:
112: }
113:
114: // ------------------------------------------------------------- Attributes
115:
116: // ------------------------------------------------------------- Operations
117:
118: /**
119: * Add an alias name that should be mapped to this Host
120: *
121: * @param alias The alias to be added
122: *
123: * @exception Exception if an MBean cannot be created or registered
124: */
125: public void addAlias(String alias) throws Exception {
126:
127: StandardHost host = (StandardHost) this .resource;
128: host.addAlias(alias);
129:
130: }
131:
132: /**
133: * Return the set of alias names for this Host
134: *
135: * @exception Exception if an MBean cannot be created or registered
136: */
137: public String[] findAliases() throws Exception {
138:
139: StandardHost host = (StandardHost) this .resource;
140: return host.findAliases();
141:
142: }
143:
144: /**
145: * Return the MBean Names of the Valves assoicated with this Host
146: *
147: * @exception Exception if an MBean cannot be created or registered
148: */
149: public String[] getValves() throws Exception {
150:
151: Registry registry = MBeanUtils.createRegistry();
152: StandardHost host = (StandardHost) this .resource;
153: String mname = MBeanUtils.createManagedName(host);
154: ManagedBean managed = registry.findManagedBean(mname);
155: String domain = null;
156: if (managed != null) {
157: domain = managed.getDomain();
158: }
159: if (domain == null)
160: domain = mserver.getDefaultDomain();
161: Valve[] valves = host.getValves();
162: String[] mbeanNames = new String[valves.length];
163: for (int i = 0; i < valves.length; i++) {
164: mbeanNames[i] = MBeanUtils.createObjectName(domain,
165: valves[i]).toString();
166: }
167:
168: return mbeanNames;
169:
170: }
171:
172: /**
173: * Return the specified alias name from the aliases for this Host
174: *
175: * @param alias Alias name to be removed
176: *
177: * @exception Exception if an MBean cannot be created or registered
178: */
179: public void removeAlias(String alias) throws Exception {
180:
181: StandardHost host = (StandardHost) this.resource;
182: host.removeAlias(alias);
183:
184: }
185:
186: }
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