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GH-55 Support for multiple paper versions with dependency injector. (R…
…esolve #54)
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60 changes: 60 additions & 0 deletions
60
paper-support/src/com/eternalcode/formatter/paper/adventure/PaperSignedMessage.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package com.eternalcode.formatter.paper.adventure; | ||
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| import net.kyori.adventure.chat.SignedMessage; | ||
| import net.kyori.adventure.identity.Identity; | ||
| import net.kyori.adventure.text.Component; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.jetbrains.annotations.Nullable; | ||
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| import java.security.SecureRandom; | ||
| import java.time.Instant; | ||
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| public class PaperSignedMessage implements SignedMessage { | ||
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| private static final SecureRandom RANDOM = new SecureRandom(); | ||
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| private final Instant instant; | ||
| private final long salt; | ||
| private final Component unsignedContent; | ||
| private final String message; | ||
| private final Identity identity; | ||
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| public PaperSignedMessage(Component unsignedContent, Identity identity) { | ||
| this.identity = identity; | ||
| this.instant = Instant.now(); | ||
| this.salt = RANDOM.nextLong(); | ||
| this.unsignedContent = unsignedContent; | ||
| this.message = "-"; | ||
| } | ||
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| @Override | ||
| public @NotNull Instant timestamp() { | ||
| return this.instant; | ||
| } | ||
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| @Override | ||
| public long salt() { | ||
| return this.salt; | ||
| } | ||
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| @Override | ||
| public Signature signature() { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public @Nullable Component unsignedContent() { | ||
| return this.unsignedContent; | ||
| } | ||
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| @Override | ||
| public @NotNull String message() { | ||
| return this.message; | ||
| } | ||
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| @Override | ||
| public @NotNull Identity identity() { | ||
| return identity; | ||
| } | ||
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| } |
35 changes: 35 additions & 0 deletions
35
paper-support/src/com/eternalcode/formatter/paper/injector/DependencyContainer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package com.eternalcode.formatter.paper.injector; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| class DependencyContainer<T> { | ||
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| private final T value; | ||
| private final List<T> extraValues = new ArrayList<>(); | ||
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| DependencyContainer(T value) { | ||
| this.value = value; | ||
| } | ||
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| public void addExtraValue(T value) { | ||
| this.extraValues.add(value); | ||
| } | ||
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| public T getExtraOrNormal(int index) { | ||
| if (index == 0) { | ||
| return this.value; | ||
| } | ||
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| if (index >= this.extraValues.size()) { | ||
| if (this.extraValues.isEmpty()) { | ||
| return this.value; | ||
| } | ||
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| return this.extraValues.get(this.extraValues.size() - 1); | ||
| } | ||
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| return this.extraValues.get(index); | ||
| } | ||
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| } |
65 changes: 65 additions & 0 deletions
65
paper-support/src/com/eternalcode/formatter/paper/injector/DependencyInjector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package com.eternalcode.formatter.paper.injector; | ||
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| import java.lang.reflect.Constructor; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| public class DependencyInjector { | ||
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| private final Map<Class<?>, DependencyContainer<?>> dependencies = new HashMap<>(); | ||
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| @SuppressWarnings("unchecked") | ||
| public <T> DependencyInjector register(Class<T> clazz, T instance) { | ||
| DependencyContainer<T> container = (DependencyContainer<T>) this.dependencies.get(clazz); | ||
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| if (container == null) { | ||
| this.dependencies.put(clazz, new DependencyContainer<>(instance)); | ||
| return this; | ||
| } | ||
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| container.addExtraValue(instance); | ||
| return this; | ||
| } | ||
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| public <T> T newInstance(Class<T> clazz) { | ||
| for (Constructor<?> constructor : clazz.getConstructors()) { | ||
| List<Object> parameters = new ArrayList<>(); | ||
| Map<Class<?>, Integer> parameterCount = new HashMap<>(); | ||
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| for (Class<?> parameterType : constructor.getParameterTypes()) { | ||
| parameters.add(this.getDependency(parameterType, parameterCount.getOrDefault(parameterType, 0))); | ||
| parameterCount.merge(parameterType, 1, Integer::sum); | ||
| } | ||
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| try { | ||
| return clazz.cast(constructor.newInstance(parameters.toArray(new Object[0]))); | ||
| } catch (ReflectiveOperationException e) { | ||
| throw new IllegalStateException("Failed to instantiate " + clazz, e); | ||
| } | ||
| } | ||
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| throw new IllegalStateException("No constructor found for " + clazz); | ||
| } | ||
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| @SuppressWarnings("unchecked") | ||
| private <T> T getDependency(Class<T> clazz, int index) { | ||
| DependencyContainer<?> container = this.dependencies.get(clazz); | ||
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| if (container != null) { | ||
| return (T) container.getExtraOrNormal(index); | ||
| } | ||
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| for (Map.Entry<Class<?>, DependencyContainer<?>> entry : this.dependencies.entrySet()) { | ||
| Class<?> key = entry.getKey(); | ||
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| if (clazz.isAssignableFrom(key)) { | ||
| return (T) entry.getValue().getExtraOrNormal(index); | ||
| } | ||
| } | ||
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| throw new IllegalStateException("No dependency found for " + clazz); | ||
| } | ||
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| } |