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Code Issues Wiki Activity

[286122] Avoid NPE when restoring memento

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This commit is contained in:
Martin Oberhuber 2009-08-10 14:02:00 +00:00
parent a941b54180
commit b55325c87d
1 changed files with 18 additions and 17 deletions
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35
rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemViewPart.java
View file

@ -38,6 +38,7 @@
* Li Ding (IBM) - [256135] Subsystem not restored in system view tree if subsystem configuration does not support filter
* David McKnight (IBM) - [257721] Doubleclick doing special handling and expanding
* David McKnight (IBM) - [250417] Restore from memento flag set to false during restore on startup
* Martin Oberhuber (Wind River) - [286122] Avoid NPE when restoring memento
*******************************************************************************/
package org.eclipse.rse.internal.ui.view;
@ -1299,12 +1300,12 @@ public class SystemViewPart
break;
// filter pool or filter (depends on showFilterPools)
case 3 :
if (subsystem != null && !(subsystem.getSubSystemConfiguration().supportsFilters())) {
remoteObject = new RemoteObject(token, subsystem, null, null);
break;
}
if (showFilterPools)
{
if (subsystem != null)
@ -1349,12 +1350,12 @@ public class SystemViewPart
break;
// filter or filter string (depends on showFilterPools) or remote object (depends on showFilterStrings)
case 4 :
if (!(subsystem.getSubSystemConfiguration().supportsFilters())) {
if (subsystem != null && !(subsystem.getSubSystemConfiguration().supportsFilters())) {
remoteObject = new RemoteObject(token, subsystem, null, null);
break;
}
if (showFilterPools) // definitely a filter
{
index = token.indexOf('=');
@ -1391,12 +1392,12 @@ public class SystemViewPart
break;
// filter string (depends on showFilterStrings) or remote object
case 5 :
if (!(subsystem.getSubSystemConfiguration().supportsFilters())) {
if (subsystem!=null && !(subsystem.getSubSystemConfiguration().supportsFilters())) {
remoteObject = new RemoteObject(token, subsystem, null, null);
break;
}
if (showFilterPools && showFilterStrings) // definitely a filter string
{
// at this point we know the parent filter reference as that was parsed in case 4
@ -1417,12 +1418,12 @@ public class SystemViewPart
break;
default : // definitely a remote object
if (!(subsystem.getSubSystemConfiguration().supportsFilters())) {
if (subsystem!=null && !(subsystem.getSubSystemConfiguration().supportsFilters())) {
remoteObject = new RemoteObject(token, subsystem, null, null);
break;
}
if ((subsystem != null) && (fRef != null))
remoteObject = new RemoteObject(token, subsystem, fRef, fsRef);
}
@ -1600,21 +1601,21 @@ public class SystemViewPart
// yantzi: artemis 6.0: reset restore from memento flag
if (ss != null && restoreFromCache && ss.supportsCaching()){
ss.getCacheManager().setRestoreFromMemento(false);
}
}
}
else if (object instanceof ISystemFilterReference)
{
ISystemFilterReference fref = (ISystemFilterReference)object;
ISubSystem ss = fref.getSubSystem();
// yantzi: artemis 6.0: notify subsystems that this is a restore from memento so they
// can optionally use the cache if desired
if (ss != null && restoreFromCache && ss.supportsCaching()){
ss.getCacheManager().setRestoreFromMemento(true);
}
boolean isRestoringCache = ss.getCacheManager() != null && ss.getCacheManager().isRestoreFromMemento();
if (!ss.isOffline()){
if (!ss.isConnected() && !isRestoringCache){
try
@ -1640,11 +1641,11 @@ public class SystemViewPart
Display.getDefault().asyncExec(showRunnable);
}
}
// yantzi: artemis 6.0: reset restore from memento flag
if (ss != null && restoreFromCache && ss.supportsCaching()){
ss.getCacheManager().setRestoreFromMemento(false);
}
}
}
}