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1
17 package org.apache.servicemix.common;
18
19 import org.apache.commons.logging.Log;
20 import org.apache.commons.logging.LogFactory;
21
22 import javax.jbi.JBIException;
23 import javax.jbi.component.Bootstrap;
24 import javax.jbi.component.InstallationContext;
25 import javax.management.MBeanServer  ;
26 import javax.management.ObjectName ;
27
28
40 public class BaseBootstrap implements Bootstrap {
41
42 protected final transient Log logger = LogFactory.getLog(getClass());
43
44 protected InstallationContext context;
45 protected ObjectName mbeanName;
46
47 public BaseBootstrap() {
48 }
49
50 public ObjectName getExtensionMBeanName() {
51 return mbeanName;
52 }
53
54 protected Object getExtensionMBean() throws Exception {
55 return null;
56 }
57
58 protected ObjectName createExtensionMBeanName() throws Exception {
59 return this.context.getContext().getMBeanNames().createCustomComponentMBeanName("bootstrap");
60 }
61
62
65 public void init(InstallationContext installContext) throws JBIException {
66 try {
67 if (logger.isDebugEnabled()) {
68 logger.debug("Initializing bootstrap");
69 }
70 this.context = installContext;
71 doInit();
72 if (logger.isDebugEnabled()) {
73 logger.debug("Bootstrap initialized");
74 }
75 } catch (JBIException e) {
76 throw e;
77 } catch (Exception e) {
78 throw new JBIException("Error calling init", e);
79 }
80 }
81
82 protected void doInit() throws Exception {
83 Object mbean = getExtensionMBean();
84 if (mbean != null) {
85 this.mbeanName = createExtensionMBeanName();
86 MBeanServer server = this.context.getContext().getMBeanServer();
87 if (server == null) {
88 throw new JBIException("null mBeanServer");
89 }
90 if (server.isRegistered(this.mbeanName)) {
91 server.unregisterMBean(this.mbeanName);
92 }
93 server.registerMBean(mbean, this.mbeanName);
94 }
95 }
96
97
100 public void cleanUp() throws JBIException {
101 try {
102 if (logger.isDebugEnabled()) {
103 logger.debug("Cleaning up bootstrap");
104 }
105 doCleanUp();
106 if (logger.isDebugEnabled()) {
107 logger.debug("Bootstrap cleaned up");
108 }
109 } catch (JBIException e) {
110 throw e;
111 } catch (Exception e) {
112 throw new JBIException("Error calling cleanUp", e);
113 }
114 }
115
116 protected void doCleanUp() throws Exception {
117 if (this.mbeanName != null) {
118 MBeanServer server = this.context.getContext().getMBeanServer();
119 if (server == null) {
120 throw new JBIException("null mBeanServer");
121 }
122 if (server.isRegistered(this.mbeanName)) {
123 server.unregisterMBean(this.mbeanName);
124 }
125 }
126 }
127
128
131 public void onInstall() throws JBIException {
132 try {
133 if (logger.isDebugEnabled()) {
134 logger.debug("Bootstrap onInstall");
135 }
136 doOnInstall();
137 if (logger.isDebugEnabled()) {
138 logger.debug("Bootstrap onInstall done");
139 }
140 } catch (JBIException e) {
141 throw e;
142 } catch (Exception e) {
143 throw new JBIException("Error calling onInstall", e);
144 }
145 }
146
147 protected void doOnInstall() throws Exception {
148 }
149
150
153 public void onUninstall() throws JBIException {
154 try {
155 if (logger.isDebugEnabled()) {
156 logger.debug("Bootstrap onUninstall");
157 }
158 doOnUninstall();
159 if (logger.isDebugEnabled()) {
160 logger.debug("Bootstrap onUninstall done");
161 }
162 } catch (JBIException e) {
163 throw e;
164 } catch (Exception e) {
165 throw new JBIException("Error calling onUninstall", e);
166 }
167 }
168
169 protected void doOnUninstall() throws Exception {
170 }
171
172 }
173 |
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