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1
17 package org.apache.servicemix.bpe;
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
35 public class BPEBootstrap implements Bootstrap {
36
37 protected final transient Log logger = LogFactory.getLog(getClass());
38
39 protected InstallationContext context;
40 protected ObjectName mbeanName;
41
42 public BPEBootstrap() {
43 }
44
45 public ObjectName getExtensionMBeanName() {
46 return mbeanName;
47 }
48
49 protected Object getExtensionMBean() throws Exception {
50 return null;
51 }
52
53 protected ObjectName createExtensionMBeanName() throws Exception {
54 return this.context.getContext().getMBeanNames().createCustomComponentMBeanName("bootstrap");
55 }
56
57
60 public void init(InstallationContext installContext) throws JBIException {
61 try {
62 if (logger.isDebugEnabled()) {
63 logger.debug("Initializing bootstrap");
64 }
65 this.context = installContext;
66 doInit();
67 if (logger.isDebugEnabled()) {
68 logger.debug("Bootstrap initialized");
69 }
70 } catch (JBIException e) {
71 throw e;
72 } catch (Exception e) {
73 throw new JBIException("Error calling init", e);
74 }
75 }
76
77 protected void doInit() throws Exception {
78 Object mbean = getExtensionMBean();
79 if (mbean != null) {
80 this.mbeanName = createExtensionMBeanName();
81 MBeanServer server = this.context.getContext().getMBeanServer();
82 if (server == null) {
83 throw new JBIException("null mBeanServer");
84 }
85 if (server.isRegistered(this.mbeanName)) {
86 server.unregisterMBean(this.mbeanName);
87 }
88 server.registerMBean(mbean, this.mbeanName);
89 }
90 }
91
92
95 public void cleanUp() throws JBIException {
96 try {
97 if (logger.isDebugEnabled()) {
98 logger.debug("Cleaning up bootstrap");
99 }
100 doCleanUp();
101 if (logger.isDebugEnabled()) {
102 logger.debug("Bootstrap cleaned up");
103 }
104 } catch (JBIException e) {
105 throw e;
106 } catch (Exception e) {
107 throw new JBIException("Error calling cleanUp", e);
108 }
109 }
110
111 protected void doCleanUp() throws Exception {
112 if (this.mbeanName != null) {
113 MBeanServer server = this.context.getContext().getMBeanServer();
114 if (server == null) {
115 throw new JBIException("null mBeanServer");
116 }
117 if (server.isRegistered(this.mbeanName)) {
118 server.unregisterMBean(this.mbeanName);
119 }
120 }
121 }
122
123
126 public void onInstall() throws JBIException {
127 try {
128 if (logger.isDebugEnabled()) {
129 logger.debug("Bootstrap onInstall");
130 }
131 doOnInstall();
132 if (logger.isDebugEnabled()) {
133 logger.debug("Bootstrap onInstall done");
134 }
135 } catch (JBIException e) {
136 throw e;
137 } catch (Exception e) {
138 throw new JBIException("Error calling onInstall", e);
139 }
140 }
141
142 protected void doOnInstall() throws Exception {
143 }
144
145
148 public void onUninstall() throws JBIException {
149 try {
150 if (logger.isDebugEnabled()) {
151 logger.debug("Bootstrap onUninstall");
152 }
153 doOnUninstall();
154 if (logger.isDebugEnabled()) {
155 logger.debug("Bootstrap onUninstall done");
156 }
157 } catch (JBIException e) {
158 throw e;
159 } catch (Exception e) {
160 throw new JBIException("Error calling onUninstall", e);
161 }
162 }
163
164 protected void doOnUninstall() throws Exception {
165 }
166
167 }
168 |
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