chore: update README and add non-null requirements

cloud-processors-common/src/main/java/org/incendo/cloud/processors/cache/CaffeineCache.java

@@ -24,6 +24,7 @@
 package org.incendo.cloud.processors.cache;
 
 import com.github.benmanes.caffeine.cache.Cache;
+import java.util.Objects;
 import org.apiguardian.api.API;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -53,21 +54,25 @@ public final class CaffeineCache<K, V> implements CloudCache<K, V> {
     private final Cache<K, V> cache;
 
     private CaffeineCache(final @NonNull Cache<K, V> cache) {
-        this.cache = cache;
+        this.cache = Objects.requireNonNull(cache, "cache");
     }
 
     @Override
     public void delete(final @NonNull K key) {
+        Objects.requireNonNull(key, "key");
         this.cache.invalidate(key);
     }
 
     @Override
     public void put(final @NonNull K key, final @NonNull V value) {
+        Objects.requireNonNull(key, "key");
+        Objects.requireNonNull(value, "value");
         this.cache.put(key, value);
     }
 
     @Override
     public @Nullable V getIfPresent(final @NonNull K key) {
+        Objects.requireNonNull(key, "key");
         return this.cache.getIfPresent(key);
     }
 }

cloud-processors-common/src/main/java/org/incendo/cloud/processors/cache/GuavaCache.java

@@ -59,16 +59,20 @@ private GuavaCache(final @NonNull Cache<K, V> cache) {
 
     @Override
     public void delete(final @NonNull K key) {
+        Objects.requireNonNull(key, "key");
         this.cache.invalidate(key);
     }
 
     @Override
     public void put(final @NonNull K key, final @NonNull V value) {
+        Objects.requireNonNull(key, "key");
+        Objects.requireNonNull(value, "value");
         this.cache.put(key, value);
     }
 
     @Override
     public @Nullable V getIfPresent(final @NonNull K key) {
+        Objects.requireNonNull(key, "key");
         return this.cache.getIfPresent(key);
     }
 }

cloud-processors-common/src/main/java/org/incendo/cloud/processors/cache/SimpleCache.java

@@ -24,6 +24,7 @@
 package org.incendo.cloud.processors.cache;
 
 import java.util.Map;
+import java.util.Objects;
 import java.util.WeakHashMap;
 import org.apiguardian.api.API;
 import org.checkerframework.checker.nullness.qual.NonNull;
@@ -58,21 +59,26 @@ public final class SimpleCache<K, V> implements CloudCache<K, V> {
 
     @Override
     public void delete(final @NonNull K key) {
+        Objects.requireNonNull(key, "key");
         this.map.remove(key);
     }
 
     @Override
     public void put(final @NonNull K key, final @NonNull V value) {
+        Objects.requireNonNull(key, "key");
+        Objects.requireNonNull(value, "value");
         this.map.put(key, value);
     }
 
     @Override
     public @Nullable V getIfPresent(final @NonNull K key) {
+        Objects.requireNonNull(key, "key");
         return this.map.get(key);
     }
 
     @Override
     public @Nullable V popIfPresent(final @NonNull K key) {
+        Objects.requireNonNull(key, "key");
         return this.map.remove(key);
     }
 }

cloud-processors-confirmation/README.md

@@ -4,7 +4,20 @@ Postprocessor that adds the ability to require an extra confirmation before exec
 
 ## Installation
 
-cloud-processors-confirmation is not yet available on Maven Central.
+Snapshots are available on the Sonatype Snapshots Repository:
+
+```xml
+<repository>
+  <id>sonatype-snapshots</id>
+  <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+</repository>
+
+<dependency>
+    <groupId>org.incendo</groupId>
+    <artifactId>cloud-processors-confirmation</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+</dependency>
+```
 
 ## Usage
 

cloud-processors-confirmation/src/main/java/org/incendo/cloud/processors/confirmation/ConfirmationExecutionHandler.java

@@ -25,6 +25,7 @@
 
 import cloud.commandframework.context.CommandContext;
 import cloud.commandframework.execution.CommandExecutionHandler;
+import java.util.Objects;
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
 import org.apiguardian.api.API;
@@ -42,7 +43,7 @@ final class ConfirmationExecutionHandler<C> implements CommandExecutionHandler.F
     private final ConfirmationManager<C> confirmationManager;
 
     ConfirmationExecutionHandler(final @NonNull ConfirmationManager<C> confirmationManager) {
-        this.confirmationManager = confirmationManager;
+        this.confirmationManager = Objects.requireNonNull(confirmationManager, "confirmationManager");
     }
 
     @Override

cloud-processors-confirmation/src/main/java/org/incendo/cloud/processors/confirmation/ConfirmationManager.java

@@ -68,8 +68,8 @@ public final class ConfirmationManager<C> implements Command.Builder.Applicable<
     private final ConfirmationConfiguration<C> configuration;
 
     private ConfirmationManager(final @NonNull ConfirmationConfiguration<C> configuration) {
-        this.cache = configuration.cache();
-        this.configuration = configuration;
+        this.cache = Objects.requireNonNull(configuration.cache(), "cache");
+        this.configuration = Objects.requireNonNull(configuration, "configuration");
     }
 
     /**
@@ -119,6 +119,8 @@ private ConfirmationManager(final @NonNull ConfirmationConfiguration<C> configur
      * @return optional containing the value if it exists and has not yet expired
      */
     public @NonNull Optional<ConfirmationContext<C>> popPending(final @NonNull C sender) {
+        Objects.requireNonNull(sender, "sender");
+
         final ConfirmationContext<C> context = this.cache.popIfPresent(sender);
         if (context == null) {
             return Optional.empty();
@@ -142,6 +144,8 @@ private ConfirmationManager(final @NonNull ConfirmationConfiguration<C> configur
      * @param context confirmation context
      */
     void addPending(final @NonNull C sender, final @NonNull ConfirmationContext<C> context) {
+        Objects.requireNonNull(sender, "sender");
+        Objects.requireNonNull(context, "context");
         this.cache.put(sender, context);
     }
 }

cloud-processors-confirmation/src/main/java/org/incendo/cloud/processors/confirmation/ConfirmationPostprocessor.java

@@ -27,6 +27,7 @@
 import cloud.commandframework.execution.postprocessor.CommandPostprocessor;
 import cloud.commandframework.services.types.ConsumerService;
 import java.time.Instant;
+import java.util.Objects;
 import org.apiguardian.api.API;
 import org.checkerframework.checker.nullness.qual.NonNull;
 
@@ -42,7 +43,7 @@ final class ConfirmationPostprocessor<C> implements CommandPostprocessor<C> {
     private final ConfirmationManager<C> confirmationManager;
 
     ConfirmationPostprocessor(final @NonNull ConfirmationManager<C> confirmationManager) {
-        this.confirmationManager = confirmationManager;
+        this.confirmationManager = Objects.requireNonNull(confirmationManager, "confirmationManager");
     }
 
     @Override

cloud-processors-confirmation/src/main/java/org/incendo/cloud/processors/confirmation/annotations/ConfirmationBuilderModifier.java

@@ -26,6 +26,7 @@
 import cloud.commandframework.Command;
 import cloud.commandframework.annotations.AnnotationParser;
 import cloud.commandframework.annotations.BuilderModifier;
+import java.util.Objects;
 import org.apiguardian.api.API;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.incendo.cloud.processors.confirmation.ConfirmationManager;
@@ -58,6 +59,7 @@ public final class ConfirmationBuilderModifier<C> implements BuilderModifier<Con
      * @param annotationParser annotation parser to add the builder modifier to
      */
     public static <C> void install(final @NonNull AnnotationParser<C> annotationParser) {
+        Objects.requireNonNull(annotationParser, "annotationParser");
         annotationParser.registerBuilderModifier(Confirmation.class, of());
     }
 

cloud-processors-cooldown/README.md

@@ -4,7 +4,20 @@ Postprocessor that adds command cooldowns.
 
 ## Installation
 
-cloud-processors-cooldown is not yet available on Maven Central.
+Snapshots are available on the Sonatype Snapshots Repository:
+
+```xml
+<repository>
+  <id>sonatype-snapshots</id>
+  <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+</repository>
+
+<dependency>
+    <groupId>org.incendo</groupId>
+    <artifactId>cloud-processors-cooldown</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+</dependency>
+```
 
 ## Usage
 

cloud-processors-requirements/README.md

@@ -8,7 +8,20 @@ are defined on a per-command basis.
 
 ## Installation
 
-Cloud Requirements is not yet available on Maven Central.
+Snapshots are available on the Sonatype Snapshots Repository:
+
+```xml
+<repository>
+  <id>sonatype-snapshots</id>
+  <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+</repository>
+
+<dependency>
+    <groupId>org.incendo</groupId>
+    <artifactId>cloud-processors-requirements</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+</dependency>
+```
 
 ## Usage
 

cloud-processors-requirements/src/main/java/org/incendo/cloud/processors/requirements/RequirementApplicable.java

@@ -98,6 +98,7 @@ private RequirementApplicableFactory(final @NonNull CloudKey<Requirements<C, R>>
          * @return the {@link RequirementApplicable} instance
          */
         public @NonNull RequirementApplicable<C, R> create(final @NonNull Requirements<C, R> requirements) {
+            Objects.requireNonNull(requirements, "requirements");
             return new RequirementApplicable<>(this.requirementKey, requirements);
         }
 
@@ -108,6 +109,7 @@ private RequirementApplicableFactory(final @NonNull CloudKey<Requirements<C, R>>
          * @return the {@link RequirementApplicable} instance
          */
         public @NonNull RequirementApplicable<C, R> create(final @NonNull List<@NonNull R> requirements) {
+            Objects.requireNonNull(requirements, "requirements");
             return new RequirementApplicable<>(this.requirementKey, Requirements.of(requirements));
         }
 
@@ -120,6 +122,7 @@ private RequirementApplicableFactory(final @NonNull CloudKey<Requirements<C, R>>
         @SafeVarargs
         @SuppressWarnings("varargs")
         public final @NonNull RequirementApplicable<C, R> create(final @NonNull R @NonNull... requirements) {
+            Objects.requireNonNull(requirements, "requirements");
             return new RequirementApplicable<>(this.requirementKey, Requirements.of(requirements));
         }
     }

cloud-processors-requirements/src/main/java/org/incendo/cloud/processors/requirements/annotations/RequirementBindingsImpl.java

@@ -55,6 +55,8 @@ final class RequirementBindingsImpl<C, R extends Requirement<C, R>> implements R
             final @NonNull Class<A> annotation,
             final @NonNull Function<A, R> requirement
     ) {
+        Objects.requireNonNull(annotation, "annotation");
+        Objects.requireNonNull(requirement, "requirement");
         this.annotationParser.registerBuilderModifier(annotation, new RequirementBuilderModifier<>(requirement));
         return this;
     }