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1
19
20 package org.netbeans.modules.java.source;
21
22 import java.io.File  ;
23 import java.io.IOException ;
24 import java.lang.management.ManagementFactory ;
25 import javax.management.InstanceAlreadyExistsException ;
26 import javax.management.InstanceNotFoundException ;
27 import javax.management.MBeanRegistrationException ;
28 import javax.management.MBeanServer ;
29 import javax.management.MalformedObjectNameException ;
30 import javax.management.NotCompliantMBeanException ;
31 import javax.management.ObjectName ;
32 import org.netbeans.modules.java.source.usages.ClassIndexManager;
33 import org.netbeans.modules.java.source.usages.LuceneIndexMBean;
34 import org.netbeans.modules.java.source.usages.LuceneIndexMBeanImpl;
35 import org.netbeans.modules.java.source.usages.RepositoryUpdater;
36 import org.netbeans.modules.java.source.util.LowMemoryNotifierMBean;
37 import org.netbeans.modules.java.source.util.LowMemoryNotifierMBeanImpl;
38 import org.openide.ErrorManager;
39 import org.openide.filesystems.FileUtil;
40 import org.openide.modules.ModuleInstall;
41 import org.openide.util.Exceptions;
42 import org.openide.windows.WindowManager;
43
44
48 public class JBrowseModule extends ModuleInstall {
49
50 private static final String NB_USER_DIR = "netbeans.user"; private static final String LUCENE_LOCK_DIR = "org.apache.lucene.lockDir"; private static final boolean ENABLE_MBEANS = Boolean.getBoolean("org.netbeans.modules.java.source.enableMBeans");
54
55 public JBrowseModule() {
56 }
57
58 public @Override void restored() {
59 super.restored();
60 final String nbUserProp = System.getProperty(NB_USER_DIR);
61 assert nbUserProp != null;
62 final File nbUserDir = new File (nbUserProp);
63 File lockDir = FileUtil.normalizeFile(new File (nbUserDir,"var"+File.separatorChar+"lock"+File.separatorChar+"lucene")); if (lockDir.exists()) {
65 File [] orphanLocks = lockDir.listFiles();
66 for (File lock: orphanLocks) {
67 lock.delete();
68 }
69 }
70 else {
71 lockDir.mkdirs();
72 }
73 JavaSourceTaskFactoryManager.register();
74 System.setProperty(LUCENE_LOCK_DIR,lockDir.getAbsolutePath());
75 WindowManager.getDefault().invokeWhenUIReady(new Runnable () {
76 public void run () {
77 RepositoryUpdater.getDefault();
78 ActivatedDocumentListener.register();
79 }
80 });
81 if (ENABLE_MBEANS) {
82 registerMBeans();
83 }
84 }
85
86 public @Override boolean closing () {
87 final boolean ret = super.closing();
88 RepositoryUpdater.getDefault().close();
89 try {
90 ClassIndexManager.getDefault().writeLock(new ClassIndexManager.ExceptionAction<Void >() {
91 public Void run() throws IOException {
92 ClassIndexManager.getDefault().close();
93 return null;
94 }
95 });
96 } catch (IOException ex) {
97 Exceptions.printStackTrace(ex);
98 };
99 if (ENABLE_MBEANS) {
100 unregisterMBeans();
101 }
102 return ret;
103 }
104
105 private static void registerMBeans() {
106 try {
107 MBeanServer mgs = ManagementFactory.getPlatformMBeanServer();
108 mgs.registerMBean (new LowMemoryNotifierMBeanImpl(), new ObjectName (LowMemoryNotifierMBean.OBJECT_NAME));
109 mgs.registerMBean( LuceneIndexMBeanImpl.getDefault(), new ObjectName (LuceneIndexMBean.OBJECT_NAME));
110 } catch (NotCompliantMBeanException e) {
111 ErrorManager.getDefault ().notify (e);
112 }
113 catch (MalformedObjectNameException e) {
114 ErrorManager.getDefault ().notify (e);
115 }
116 catch (InstanceAlreadyExistsException e) {
117 ErrorManager.getDefault ().notify (e);
118 }
119 catch (MBeanRegistrationException e) {
120 ErrorManager.getDefault ().notify (e);
121 }
122 }
123
124 private static void unregisterMBeans() {
125 try {
126 MBeanServer mgs = ManagementFactory.getPlatformMBeanServer();
127 mgs.unregisterMBean (new ObjectName (LowMemoryNotifierMBean.OBJECT_NAME));
128 mgs.unregisterMBean (new ObjectName (LuceneIndexMBean.OBJECT_NAME));
129 } catch (MalformedObjectNameException e) {
130 ErrorManager.getDefault ().notify (e);
131 }
132 catch (InstanceNotFoundException e) {
133 ErrorManager.getDefault ().notify (e);
134 }
135 catch (MBeanRegistrationException e) {
136 ErrorManager.getDefault ().notify (e);
137 }
138 }
139 }
140 |
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