sigonasr2/jmonkeyengine
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Added AppStateManager.getState(class, failOnMiss)

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that can optionally throw an exception if the state does not exist.
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Ali-RS 2018-12-03 12:47:01 +03:30 committed by GitHub
parent c0823bb903
commit a61813ebd8
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1 changed files with 16 additions and 0 deletions
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jme3-core/src/main/java/com/jme3/app/state/AppStateManager.java
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@ -210,6 +210,18 @@ public class AppStateManager {
* @return First attached state that is an instance of stateClass
*/
public <T extends AppState> T getState(Class<T> stateClass){
return getState(stateClass, false);
}
/**
* Returns the first state that is an instance of subclass of the specified class.
* @param <T>
* @param stateClass
* @param failOnMiss
* @return First attached state that is an instance of stateClass. If failOnMiss is true
* then an IllegalArgumentException is thrown if the state is not attached.
*/
public <T extends AppState> T getState(Class<T> stateClass, boolean failOnMiss){
synchronized (states){
AppState[] array = getStates();
for (AppState state : array) {
@ -229,6 +241,10 @@ public class AppStateManager {
}
}
}
if(failOnMiss) {
throw new IllegalArgumentException("State not found for:" + stateClass);
}
return null;
}