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1
8 package com.mountainminds.eclemma.internal.core;
9
10 import java.util.ArrayList  ;
11 import java.util.HashMap ;
12 import java.util.Iterator ;
13 import java.util.List ;
14 import java.util.Map ;
15
16 import com.mountainminds.eclemma.core.ICoverageSession;
17 import com.mountainminds.eclemma.core.ISessionListener;
18 import com.mountainminds.eclemma.core.ISessionManager;
19
20
26 public class SessionManager implements ISessionManager {
27
28 private List sessions = new ArrayList ();
29 private Map keymap = new HashMap ();
30 private ICoverageSession activeSession = null;
31 private List listeners = new ArrayList ();
32
33 public void addSession(ICoverageSession session, boolean activate, Object key) {
34 if (session == null) throw new NullPointerException ();
35 if (!sessions.contains(session)) {
36 sessions.add(session);
37 if (key != null) {
38 keymap.put(key, session);
39 }
40 fireSessionAdded(session);
41 if (activate) {
42 activeSession = session;
43 fireSessionActivated(session);
44 }
45 }
46 }
47
48 public void removeSession(ICoverageSession session) {
49 if (sessions.contains(session)) {
50 boolean sessionActivated = false;
51 if (session.equals(activeSession)) {
52 activeSession = null;
53 for (int i = sessions.size(); --i >= 0;) {
54 if (!session.equals(sessions.get(i))) {
55 activeSession = (ICoverageSession) sessions.get(i);
56 break;
57 }
58 }
59 sessionActivated = true;
60 }
61 sessions.remove(session);
62 keymap.values().remove(session);
63 fireSessionRemoved(session);
64 if (sessionActivated) {
65 fireSessionActivated(activeSession);
66 }
67 }
68 }
69
70 public void removeSession(Object key) {
71 removeSession(getSession(key));
72 }
73
74 public void removeAllSessions() {
75 while (!sessions.isEmpty()) {
76 ICoverageSession session = (ICoverageSession) sessions.remove(0);
77 keymap.values().remove(session);
78 fireSessionRemoved(session);
79 }
80 if (activeSession != null) {
81 activeSession = null;
82 fireSessionActivated(null);
83 }
84 }
85
86 public ICoverageSession[] getSessions() {
87 return (ICoverageSession[]) sessions.toArray(new ICoverageSession[sessions.size()]);
88 }
89
90 public ICoverageSession getSession(Object key) {
91 return (ICoverageSession) keymap.get(key);
92 }
93
94 public void activateSession(ICoverageSession session) {
95 if (sessions.contains(session) && !session.equals(activeSession)) {
96 activeSession = session;
97 fireSessionActivated(session);
98 }
99 }
100
101 public void activateSession(Object key) {
102 activateSession(getSession(key));
103 }
104
105 public ICoverageSession getActiveSession() {
106 return activeSession;
107 }
108
109 public void refreshActiveSession() {
110 if (activeSession != null) {
111 fireSessionActivated(activeSession);
112 }
113 }
114
115 public void addSessionListener(ISessionListener listener) {
116 if (listener == null) throw new NullPointerException ();
117 if (!listeners.contains(listener)) {
118 listeners.add(listener);
119 }
120 }
121
122 public void removeSessionListener(ISessionListener listener) {
123 listeners.remove(listener);
124 }
125
126 protected void fireSessionAdded(ICoverageSession session) {
127 Iterator i = new ArrayList (listeners).iterator();
129 while (i.hasNext()) {
130 ((ISessionListener) i.next()).sessionAdded(session);
131 }
132 }
133
134 protected void fireSessionRemoved(ICoverageSession session) {
135 Iterator i = new ArrayList (listeners).iterator();
137 while (i.hasNext()) {
138 ((ISessionListener) i.next()).sessionRemoved(session);
139 }
140 }
141
142 private void fireSessionActivated(ICoverageSession session) {
143 Iterator i = new ArrayList (listeners).iterator();
145 while (i.hasNext()) {
146 ((ISessionListener) i.next()).sessionActivated(session);
147 }
148 }
149
150 }
151 |
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