Source Code Cross Referenced for PingJndi.java in  » EJB-Server-JBoss-4.2.1 » cluster » org » jboss » ha » framework » server » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » cluster » org.jboss.ha.framework.server.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * JBoss, Home of Professional Open Source.
003:         * Copyright 2006, Red Hat Middleware LLC, and individual contributors
004:         * as indicated by the @author tags. See the copyright.txt file in the
005:         * distribution for a full listing of individual contributors.
006:         *
007:         * This is free software; you can redistribute it and/or modify it
008:         * under the terms of the GNU Lesser General Public License as
009:         * published by the Free Software Foundation; either version 2.1 of
010:         * the License, or (at your option) any later version.
011:         *
012:         * This software is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this software; if not, write to the Free
019:         * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021:         */
022:        package org.jboss.ha.framework.server.util;
023:
024:        import java.util.ArrayList;
025:        import java.util.Hashtable;
026:
027:        import javax.naming.InitialContext;
028:        import javax.naming.NamingException;
029:        import javax.naming.Context;
030:
031:        import org.jboss.system.ServiceMBeanSupport;
032:        import org.jboss.logging.Logger;
033:        import org.jboss.ha.framework.server.util.TopologyMonitorService.AddressPort;
034:
035:        /** A utility MBean that can be used as the trigger target of the
036:         * TopologyMonitorService to probe the state of JNDI on the cluster nodes.
037:         *
038:         * @author Scott.Stark@jboss.org
039:         * @version $Revision: 57188 $
040:         */
041:        public class PingJndi extends ServiceMBeanSupport implements 
042:                PingJndiMBean {
043:            private String urlPrefix;
044:            private String urlSuffix;
045:            private String urlPattern;
046:            private String[] lookupNames;
047:
048:            /** Get the names of JNDI bindings that should be queried on each host
049:             * @return the array of target names to test
050:             * @jmx:managed-attribute
051:             */
052:            public String[] getLookupNames() {
053:                return lookupNames;
054:            }
055:
056:            /** Set the names of JNDI bindings that should be queried on each host
057:             * @param names
058:             * @jmx:managed-attribute
059:             */
060:            public void setLookupNames(String[] names) {
061:                this .lookupNames = names;
062:            }
063:
064:            /** Get the Context.PROVIDER_URL regular expression.
065:             * @return the regular expression containing the host, for example
066:             * 'jnp://(host):1099/'
067:             * @jmx:managed-attribute
068:             */
069:            public String getProviderURLPattern() {
070:                return urlPattern;
071:            }
072:
073:            /** Set the regular expression containing the hostname/IP address of
074:             * the JNDI provider. This expression is used to build the JNDI
075:             * Context.PROVIDER_URL for each node in the cluster. The expression
076:             * should contain a "(host)" component that will be replaced with the
077:             * cluster node hostname.
078:             *
079:             * @param regex the regular expression containing the host, for example
080:             * 'jnp://(host):1099/'
081:             * @jmx:managed-attribute
082:             */
083:            public void setProviderURLPattern(String regex) {
084:                this .urlPattern = regex;
085:                this .urlPrefix = regex;
086:                this .urlSuffix = "";
087:                String hostExp = "{host}";
088:                int hostIndex = regex.indexOf(hostExp);
089:                if (hostIndex >= 0) {
090:                    urlPrefix = regex.substring(0, hostIndex);
091:                    int endIndex = hostIndex + hostExp.length();
092:                    urlSuffix = regex.substring(endIndex);
093:                }
094:            }
095:
096:            /** The TopologyMonitorService trigger callback operation.
097:             *
098:             * @param removed ArrayList<AddressPort> of nodes that were removed
099:             * @param added ArrayList<AddressPort> of nodes that were added
100:             * @param members ArrayList<AddressPort> of nodes currently in the cluster
101:             * @param logCategoryName the log4j category name used by the
102:             * TopologyMonitorService. This is used for logging to integrate with
103:             * the TopologyMonitorService output.
104:             */
105:            public void membershipChanged(ArrayList removed, ArrayList added,
106:                    ArrayList members, String logCategoryName) {
107:                log.debug("membershipChanged");
108:                Logger tmsLog = Logger.getLogger(logCategoryName);
109:                Hashtable localEnv = null;
110:                try {
111:                    InitialContext localCtx = new InitialContext();
112:                    localEnv = localCtx.getEnvironment();
113:                } catch (NamingException e) {
114:                    tmsLog.error("Failed to obtain InitialContext env", e);
115:                    return;
116:                }
117:
118:                tmsLog.info("Checking removed hosts JNDI binding");
119:                doLookups(localEnv, tmsLog, removed);
120:                tmsLog.info("Checking added hosts JNDI binding");
121:                doLookups(localEnv, tmsLog, added);
122:                tmsLog.info("Checking members hosts JNDI binding");
123:                doLookups(localEnv, tmsLog, members);
124:            }
125:
126:            private void doLookups(Hashtable localEnv, Logger tmsLog,
127:                    ArrayList nodes) {
128:                for (int n = 0; n < nodes.size(); n++) {
129:                    AddressPort addrInfo = (AddressPort) nodes.get(n);
130:                    String providerURL = urlPrefix + addrInfo.getHostName()
131:                            + urlSuffix;
132:                    Hashtable env = new Hashtable(localEnv);
133:                    env.put(Context.PROVIDER_URL, providerURL);
134:                    tmsLog.info("Checking names on: " + addrInfo);
135:                    try {
136:                        InitialContext ctx = new InitialContext(env);
137:                        for (int s = 0; s < lookupNames.length; s++) {
138:                            String name = lookupNames[s];
139:                            Object value = ctx.lookup(name);
140:                            tmsLog.info("lookup(" + name + "): " + value);
141:                        }
142:                    } catch (Exception e) {
143:                        tmsLog.error("Failed lookups on: " + addrInfo, e);
144:                    }
145:                }
146:            }
147:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.