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Abort the installation wizard if a runtime exception happens

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This commit is contained in:
snowleo 2011-10-26 19:46:40 +02:00
parent 48f8eb9788
commit 5641b1173c
2 changed files with 43 additions and 23 deletions
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32
EssentialsUpdate/src/com/earth2me/essentials/update/states/AbstractState.java
View file

@ -8,12 +8,12 @@ public abstract class AbstractState
{ {
private transient boolean abortion = false; private transient boolean abortion = false;
private final transient StateMap stateMap; private final transient StateMap stateMap;
public AbstractState(final StateMap stateMap) public AbstractState(final StateMap stateMap)
{ {
this.stateMap = stateMap; this.stateMap = stateMap;
} }
public <T extends AbstractState> T getState(final Class<? extends T> stateClass) public <T extends AbstractState> T getState(final Class<? extends T> stateClass)
{ {
if (!stateMap.containsKey(stateClass)) if (!stateMap.containsKey(stateClass))
@ -35,7 +35,7 @@ public abstract class AbstractState
} }
return (T)stateMap.get(stateClass); return (T)stateMap.get(stateClass);
} }
public abstract AbstractState getNextState(); public abstract AbstractState getNextState();
/** /**
@ -60,7 +60,7 @@ public abstract class AbstractState
* @return true, if the answer could be recognized as a valid answer * @return true, if the answer could be recognized as a valid answer
*/ */
public abstract boolean reactOnAnswer(String answer); public abstract boolean reactOnAnswer(String answer);
public final AbstractState reactOnAnswer(final Player sender, final String answer) public final AbstractState reactOnAnswer(final Player sender, final String answer)
{ {
final String trimmedAnswer = answer.trim(); final String trimmedAnswer = answer.trim();
@ -71,16 +71,24 @@ public abstract class AbstractState
abort(); abort();
return null; return null;
} }
final boolean found = reactOnAnswer(trimmedAnswer); try
if (found)
{ {
return getNextState(); final boolean found = reactOnAnswer(trimmedAnswer);
if (found)
{
return getNextState();
}
else
{
sender.sendMessage("Answer not recognized.");
return this;
}
} }
else catch (RuntimeException ex)
{ {
sender.sendMessage("Answer not recognized."); sender.sendMessage(ex.toString());
return this; return this;
} }
} }
/** /**
@ -90,12 +98,12 @@ public abstract class AbstractState
{ {
listener.onWorkDone(); listener.onWorkDone();
} }
public boolean isAbortion() public boolean isAbortion()
{ {
return abortion; return abortion;
} }
protected void abort() protected void abort()
{ {
abortion = true; abortion = true;

34
EssentialsUpdate/src/com/earth2me/essentials/update/states/StateMachine.java
View file

@ -33,22 +33,33 @@ public class StateMachine extends WorkListener
public MachineResult askQuestion() public MachineResult askQuestion()
{ {
while (current.guessAnswer()) try
{ {
current = current.getNextState(); while (current.guessAnswer())
if (current == null)
{ {
result = MachineResult.DONE;
break; current = current.getNextState();
if (current == null)
{
result = MachineResult.DONE;
break;
}
}
if (current != null)
{
if (player.isOnline())
{
current.askQuestion(player);
}
result = MachineResult.WAIT;
} }
} }
if (current != null) catch (RuntimeException ex)
{ {
if (player.isOnline()) player.sendMessage(ex.getMessage());
{ finish();
current.askQuestion(player); result = MachineResult.ABORT;
}
result = MachineResult.WAIT;
} }
return result; return result;
} }
@ -135,6 +146,7 @@ public class StateMachine extends WorkListener
private void finish() private void finish()
{ {
current = null;
iterator = null; iterator = null;
states.clear(); states.clear();
getPlugin().getServer().getPluginManager().callEvent(new InstallationFinishedEvent()); getPlugin().getServer().getPluginManager().callEvent(new InstallationFinishedEvent());