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🐛 Fix build

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jmp 2020-12-14 16:27:50 -08:00 • committed by Alexander Söderberg
parent 2f077e03f3
commit f2f187f58d
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cloud-annotations/src/main/java/cloud/commandframework/annotations/injection/ParameterInjector.java
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//
// MIT License
//
// Copyright (c) 2020 Alexander Söderberg & Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
package cloud.commandframework.annotations.injection;
import cloud.commandframework.annotations.AnnotationAccessor;
import cloud.commandframework.context.CommandContext;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
/**
* Injector that injects parameters into {@link cloud.commandframework.annotations.CommandMethod} annotated
* methods
*
* @param <C> Command sender type
* @param <T> Type of the value that is injected by this injector
* @since 1.2.0
*/
@FunctionalInterface
public interface ParameterInjector<C, T> {
/**
* Attempt to create a a value that should then be injected into the {@link cloud.commandframework.annotations.CommandMethod}
* annotated method. If the injector cannot (or shouldn't) create a value, it is free to return {@code null}.
*
* @param context Command context that is requesting the injection
* @param annotationAccessor Annotation accessor proxying the method which the value is being injected into
* @return The value, if it could be created. Else {@code null}, in which case no value will be injected
* by this particular injector
*/
@Nullable T create(@NonNull CommandContext<C> context, @NonNull AnnotationAccessor annotationAccessor);
}