Minecraft/ghast-tools
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refactoring EventManager

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This commit is contained in:
DmitriyMX
2020-12-31 14:59:50 +03:00
parent 6441ddb3a5
commit 97d6ef8b47
3 changed files with 56 additions and 67 deletions
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2
gradle.properties
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@@ -1,3 +1,3 @@
projectGroup=ghast projectGroup=ghast
projectName=ghast-tools projectName=ghast-tools
projectVersion=1.2.1 projectVersion=1.3

55
src/main/java/ghast/EventContext.java Normal file
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@@ -0,0 +1,55 @@
package ghast;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.bukkit.Bukkit;
import org.bukkit.event.Event;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import java.util.HashMap;
import java.util.Map;
import java.util.function.BooleanSupplier;
import java.util.function.Consumer;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
@SuppressWarnings("unused")
public class EventContext implements Listener {
private static final BooleanSupplier EMPTY_FILTER = () -> true;
private final Map<Class<? extends Event>, Consumer<?>> eventMap = new HashMap<>();
private BooleanSupplier filter = EMPTY_FILTER;
public EventContext filter(BooleanSupplier filter) {
this.filter = (filter != null ? filter : EMPTY_FILTER);
return this;
}
public <T extends Event> EventContext onEvent(Class<T> eventType, EventPriority eventPriority, Consumer<T> consumer) {
if (consumer == null) {
eventMap.remove(eventType);
} else {
eventMap.put(eventType, consumer);
Bukkit.getPluginManager().registerEvent(eventType, this, eventPriority,
this::eventExecute, GhastTools.getPlugin());
}
return this;
}
public <T extends Event> EventContext onEvent(Class<T> eventType, Consumer<T> consumer) {
return onEvent(eventType, EventPriority.NORMAL, consumer);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
private void eventExecute(Listener listener, Event event) {
Consumer consumer = eventMap.get(event.getClass());
if (consumer != null && filter.getAsBoolean()) {
consumer.accept(event);
}
}
public static EventContext create() {
return new EventContext();
}
}

66
src/main/java/ghast/EventManager.java
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@@ -1,66 +0,0 @@
package ghast;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.experimental.UtilityClass;
import org.bukkit.Bukkit;
import org.bukkit.event.Event;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import java.util.HashMap;
import java.util.Map;
import java.util.function.BooleanSupplier;
import java.util.function.Consumer;
@UtilityClass
@SuppressWarnings("unused")
public class EventManager {
public Builder createContext() {
return new Builder();
}
@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
public static class Builder {
private static final BooleanSupplier EMPTY_FILTER = () -> true;
private final EventContext eventContext = new EventContext();
public Builder filter(BooleanSupplier filter) {
eventContext.setFilter(filter != null ? filter : EMPTY_FILTER);
return this;
}
public <T extends Event> Builder onEvent(Class<T> eventType, EventPriority eventPriority, Consumer<T> consumer) {
eventContext.getEventMap().put(eventType, consumer);
Bukkit.getPluginManager().registerEvent(eventType, eventContext, eventPriority,
eventContext::eventExecute, GhastTools.getPlugin());
return this;
}
public <T extends Event> Builder onEvent(Class<T> eventType, Consumer<T> consumer) {
return onEvent(eventType, EventPriority.NORMAL, consumer);
}
}
@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
@Getter(AccessLevel.PRIVATE)
@Setter(AccessLevel.PRIVATE)
private static class EventContext implements Listener {
private final Map<Class<? extends Event>, Consumer<?>> eventMap = new HashMap<>();
private BooleanSupplier filter;
@SuppressWarnings({ "unchecked", "rawtypes" })
private void eventExecute(Listener listener, Event event) {
Consumer consumer = eventMap.get(event.getClass());
if (consumer != null && filter.getAsBoolean()) {
consumer.accept(event);
}
}
}
}