chore: replace Checker Framework with JSpecify (#313)

Author: joschi

pom.xml

@@ -133,8 +133,8 @@
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>org.checkerframework</groupId>
-            <artifactId>checker-qual</artifactId>
+            <groupId>org.jspecify</groupId>
+            <artifactId>jspecify</artifactId>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>

src/main/java/io/dropwizard/testing/junit/DropwizardAppRule.java

@@ -12,10 +12,10 @@
 import io.dropwizard.testing.ConfigOverride;
 import io.dropwizard.testing.DropwizardTestSupport;
 import jakarta.ws.rs.client.Client;
-import org.checkerframework.checker.nullness.qual.Nullable;
 import org.glassfish.jersey.client.ClientProperties;
 import org.glassfish.jersey.client.HttpUrlConnectorProvider;
 import org.glassfish.jersey.client.JerseyClientBuilder;
+import org.jspecify.annotations.Nullable;
 import org.junit.rules.ExternalResource;
 
 import java.util.Optional;

src/test/java/io/dropwizard/testing/junit/app/DropwizardTestApplication.java

@@ -11,7 +11,7 @@
 import jakarta.ws.rs.Path;
 import jakarta.ws.rs.Produces;
 import jakarta.ws.rs.core.MediaType;
-import org.checkerframework.checker.nullness.qual.Nullable;
+import org.jspecify.annotations.Nullable;
 
 import java.io.PrintWriter;
 import java.util.Collections;

src/test/java/io/dropwizard/testing/junit/app/PersonResource.java

@@ -14,8 +14,8 @@
 import jakarta.ws.rs.Produces;
 import jakarta.ws.rs.QueryParam;
 import jakarta.ws.rs.core.MediaType;
-import org.checkerframework.checker.nullness.qual.Nullable;
 import org.eclipse.jetty.io.EofException;
+import org.jspecify.annotations.Nullable;
 
 import java.util.Collections;
 import java.util.List;

src/test/java/io/dropwizard/testing/junit/app/TestEntity.java

@@ -7,7 +7,7 @@
 import jakarta.persistence.Id;
 import jakarta.persistence.Table;
 import jakarta.validation.constraints.NotNull;
-import org.checkerframework.checker.nullness.qual.Nullable;
+import org.jspecify.annotations.Nullable;
 
 import static java.util.Objects.requireNonNull;