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1
8 package com.mountainminds.eclemma.internal.core;
9
10 import java.util.ArrayList  ;
11 import java.util.Iterator ;
12 import java.util.List ;
13
14 import org.eclipse.core.runtime.CoreException;
15 import org.eclipse.core.runtime.IProgressMonitor;
16 import org.eclipse.core.runtime.IStatus;
17 import org.eclipse.core.runtime.Platform;
18 import org.eclipse.core.runtime.Status;
19 import org.eclipse.core.runtime.jobs.Job;
20 import org.eclipse.osgi.util.NLS;
21
22 import com.mountainminds.eclemma.core.ICoverageSession;
23 import com.mountainminds.eclemma.core.ISessionListener;
24 import com.mountainminds.eclemma.core.ISessionManager;
25 import com.mountainminds.eclemma.core.analysis.IJavaCoverageListener;
26 import com.mountainminds.eclemma.core.analysis.IJavaModelCoverage;
27 import com.mountainminds.eclemma.internal.core.analysis.SessionAnalyzer;
28
29
37 public class JavaCoverageLoader {
38
39 private final ISessionManager sessionManager;
40
41 private ICoverageSession activeSession;
42
43 private IJavaModelCoverage coverage;
44
45 private final List listeners = new ArrayList ();
46
47 private ISessionListener sessionListener = new ISessionListener() {
48
49 public void sessionActivated(ICoverageSession session) {
50 activeSession = session;
51 Platform.getJobManager().cancel(LOADJOB);
53 if (session == null) {
54 coverage = null;
55 fireCoverageChanged();
56 } else {
57 coverage = IJavaModelCoverage.LOADING;
58 fireCoverageChanged();
59 new LoadSessionJob(activeSession).schedule();
60 }
61 }
62
63 public void sessionAdded(ICoverageSession addedSession) {
64 }
65
66 public void sessionRemoved(ICoverageSession removedSession) {
67 }
68
69 };
70
71 private static final Object LOADJOB = new Object ();
72
73 private class LoadSessionJob extends Job {
74
75 private final ICoverageSession session;
76
77 public LoadSessionJob(ICoverageSession session) {
78 super(NLS.bind(CoreMessages.AnalyzingCoverageSession_task, session.getDescription()));
79 this.session = session;
80 }
81
82 protected IStatus run(IProgressMonitor monitor) {
83 IJavaModelCoverage c;
84 try {
85 c = new SessionAnalyzer().processSession(session, monitor);
86 } catch (CoreException e) {
87 return e.getStatus();
88 }
89 coverage = monitor.isCanceled() ? null : c;
90 fireCoverageChanged();
91 return Status.OK_STATUS;
92 }
93
94 public boolean belongsTo(Object family) {
95 return family == LOADJOB;
96 }
97
98 };
99
100 public JavaCoverageLoader(ISessionManager sessionManager) {
101 this.sessionManager = sessionManager;
102 sessionManager.addSessionListener(sessionListener);
103 }
104
105 public void addJavaCoverageListener(IJavaCoverageListener l) {
106 if (l == null)
107 throw new NullPointerException ();
108 if (!listeners.contains(l)) {
109 listeners.add(l);
110 }
111 }
112
113 public void removeJavaCoverageListener(IJavaCoverageListener l) {
114 listeners.remove(l);
115 }
116
117 protected void fireCoverageChanged() {
118 Iterator i = new ArrayList (listeners).iterator();
120 while (i.hasNext()) {
121 ((IJavaCoverageListener) i.next()).coverageChanged();
122 }
123 }
124
125 public IJavaModelCoverage getJavaModelCoverage() {
126 return coverage;
127 }
128
129 public void dispose() {
130 sessionManager.removeSessionListener(sessionListener);
131 }
132
133 }
134 |
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