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1
9 package org.jboss.portal.server.deployment;
10
11 import java.util.HashSet  ;
12 import java.util.Iterator ;
13 import java.util.Set ;
14
15 import org.jboss.portal.server.Application;
16 import org.jboss.portal.server.Component;
17 import org.jboss.portal.server.Portal;
18 import org.jboss.portal.server.ServerManager;
19 import org.jboss.portal.server.ServerObjectID;
20 import org.jboss.portal.server.kernel.KernelEvent;
21 import org.jboss.portal.server.kernel.KernelEventListener;
22 import org.jboss.portal.server.kernel.state.State;
23 import org.jboss.portal.server.kernel.state.StateChangeEvent;
24 import org.jboss.portal.server.metadata.InstanceMetaData;
25 import org.jboss.portal.server.metadata.WindowMetaData;
26 import org.jboss.portal.server.util.Service;
27
28
37 public class SimpleConfigurator
38 extends Service
39 implements KernelEventListener
40 {
41
42 private ServerManager manager;
43 private Set portals;
44 private Set components;
45
46 public SimpleConfigurator()
47 {
48 portals = new HashSet ();
49 components = new HashSet ();
50 }
51
52
55 public ServerManager getServerManager()
56 {
57 return manager;
58 }
59
60
63 public void setServerManager(ServerManager manager)
64 {
65 this.manager = manager;
66 }
67
68 public void startService() throws Exception
69 {
70 manager.getKernel().addListener(this);
71 }
72
73 public void stopService()
74 {
75 manager.getKernel().removeListener(this);
76 }
77
78 public void handleEvent(KernelEvent event)
79 {
80 if (event instanceof StateChangeEvent)
81 {
82 StateChangeEvent revent = (StateChangeEvent)event;
83 org.jboss.portal.server.kernel.Service service = revent.getImplementation().getService();
84 if (revent.getOldState() == State.REGISTERED &&
85 revent.getNewState() == State.STOPPED)
86 {
87 if (service instanceof Portal)
88 {
89 Portal portal = (Portal)service;
90 for (Iterator i = components.iterator();i.hasNext();)
91 {
92 Component component = (Component)i.next();
93 createWindow(portal, component);
94 }
95 portals.add(portal);
96 }
97 else if (service instanceof Component)
98 {
99 Component component = (Component)service;
100 createInstance(component);
101 for (Iterator i = portals.iterator();i.hasNext();)
102 {
103 Portal portal = (Portal)i.next();
104 createWindow(portal, component);
105 }
106 components.add(component);
107 }
108 }
109 else if (revent.getOldState() == State.STOPPED &&
110 revent.getNewState() == State.REGISTERED)
111 {
112 if (service instanceof Portal&& portals.remove(service))
113 {
114 Portal portal = (Portal)service;
115 for (Iterator i = components.iterator();i.hasNext();)
116 {
117 Component component = (Component)i.next();
118 destroyWindow(portal, component);
119 }
120 }
121 else if (service instanceof Component && components.remove(service))
122 {
123 Component component = (Component)service;
124 for (Iterator i = portals.iterator();i.hasNext();)
125 {
126 Portal portal = (Portal)i.next();
127 destroyWindow(portal, component);
128 }
129 destroyInstance(component);
130 }
131 }
132 }
133 }
134
135 private void createWindow(Portal portal, Component component)
136 {
137 try
138 {
139 String windowName = getWindowName(portal, component);
140 String instanceName = getInstanceName(component);
141 ServerObjectID serverID = portal.getID();
142 ServerObjectID componentID = component.getID();
143 ServerObjectID instanceID = ServerObjectID.createInstanceID(componentID, instanceName);
144 WindowMetaData windowMD = new WindowMetaData(windowName, serverID, instanceID);
145 manager.deploy(windowMD);
146 }
147 catch (Exception e)
148 {
149 log.error("Problem when installing window", e);
150 }
151 }
152
153 private void destroyWindow(Portal portal, Component component)
154 {
155 String windowName = getWindowName(portal, component);
156 ServerObjectID windowID = ServerObjectID.createWindowID(portal.getName(), windowName);
157 manager.undeploy(windowID);
158 }
159
160 private void createInstance(Component component)
161 {
162 try
163 {
164 String instanceName = getInstanceName(component);
165 ServerObjectID componentID = component.getID();
166 InstanceMetaData instanceMD = new InstanceMetaData(instanceName, componentID);
167 manager.deploy(instanceMD);
168 }
169 catch (Exception e)
170 {
171 log.error("Problem when installing instance", e);
172 }
173 }
174
175 private void destroyInstance(Component component)
176 {
177 ServerObjectID componentID = component.getID();
178 String instanceName = getInstanceName(component);
179 ServerObjectID instanceID = ServerObjectID.createInstanceID(componentID, instanceName);
180 manager.undeploy(instanceID);
181 }
182
183
186 protected String getInstanceName(Component component)
187 {
188 Application application = component.getApplication();
189 String applicationName = application.getName();
190 String componentName = component.getName();
191 return applicationName + "/" + componentName;
192 }
193
194
197 protected String getWindowName(Portal portal, Component component)
198 {
199 Application application = component.getApplication();
200 String portalName = portal.getName();
201 String applicationName = application.getName();
202 String componentName = component.getName();
203 return applicationName + "/" + componentName + "/" + portalName;
204 }
205 }
206 |
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