Migrate @Nullable annotations to org.jspecify.annotations.Nullable across the project (#1249)

Author: jbl428

build.gradle.kts

@@ -22,6 +22,7 @@ subprojects {
 
         api(libs.google.jsr305)
         implementation(libs.google.findbugs.annotations)
+        implementation(libs.jspecify)
         compileOnly(libs.slf4j.api)
         testImplementation(libs.logback.classic)
     }

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/arbitrary/FilteredCombinableArbitrary.java

@@ -20,10 +20,9 @@
 
 import java.util.function.Predicate;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 import net.jqwik.api.TooManyFilterMissesException;
 

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/arbitrary/NullInjectCombinableArbitrary.java

@@ -20,10 +20,9 @@
 
 import java.lang.reflect.Proxy;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 import com.navercorp.fixturemonkey.api.random.Randoms;
 

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/constraint/CompositeJavaConstraintGenerator.java

@@ -20,10 +20,9 @@
 
 import java.util.List;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 import com.navercorp.fixturemonkey.api.generator.ArbitraryGeneratorContext;
 

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/constraint/JavaConstraintGenerator.java

@@ -20,10 +20,9 @@
 
 import java.math.BigInteger;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 import com.navercorp.fixturemonkey.api.generator.ArbitraryGeneratorContext;
 

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/constraint/JavaContainerConstraint.java

@@ -18,10 +18,9 @@
 
 package com.navercorp.fixturemonkey.api.constraint;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 @API(since = "0.6.8", status = Status.MAINTAINED)
 public final class JavaContainerConstraint {

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/constraint/JavaDateTimeConstraint.java

@@ -21,10 +21,9 @@
 import java.time.LocalDateTime;
 import java.util.function.Supplier;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 @API(since = "0.6.8", status = Status.MAINTAINED)
 public final class JavaDateTimeConstraint {

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/constraint/JavaDecimalConstraint.java

@@ -20,10 +20,9 @@
 
 import java.math.BigDecimal;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 @API(since = "0.6.8", status = Status.MAINTAINED)
 public final class JavaDecimalConstraint {

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/constraint/JavaIntegerConstraint.java

@@ -20,10 +20,9 @@
 
 import java.math.BigInteger;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 @API(since = "0.6.8", status = Status.MAINTAINED)
 public final class JavaIntegerConstraint {

fixture-monkey-api/src/main/java/com/navercorp/fixturemonkey/api/constraint/JavaStringConstraint.java

@@ -20,10 +20,9 @@
 
 import java.math.BigInteger;
 
-import javax.annotation.Nullable;
-
 import org.apiguardian.api.API;
 import org.apiguardian.api.API.Status;
+import org.jspecify.annotations.Nullable;
 
 @API(since = "0.6.8", status = Status.MAINTAINED)
 public final class JavaStringConstraint {