NonNullApi annotation -> NullMarked annotation

Gradle 9.x moved to the common JSpecify annotations.

Author: jjohannes

src/main/java/org/gradlex/jvm/dependency/conflict/detection/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.detection;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;

src/main/java/org/gradlex/jvm/dependency/conflict/detection/rules/aopalliance/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.detection.rules.aopalliance;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;

src/main/java/org/gradlex/jvm/dependency/conflict/detection/rules/bouncycastle/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.detection.rules.bouncycastle;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;

src/main/java/org/gradlex/jvm/dependency/conflict/detection/rules/guava/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.detection.rules.guava;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;

src/main/java/org/gradlex/jvm/dependency/conflict/detection/rules/jakarta/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.detection.rules.jakarta;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;

src/main/java/org/gradlex/jvm/dependency/conflict/detection/rules/logging/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.detection.rules.logging;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;

src/main/java/org/gradlex/jvm/dependency/conflict/detection/rules/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.detection.rules;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;

src/main/java/org/gradlex/jvm/dependency/conflict/detection/util/VersionNumber.java

@@ -16,7 +16,8 @@
 
 package org.gradlex.jvm.dependency.conflict.detection.util;
 
-import javax.annotation.Nullable;
+import org.jspecify.annotations.Nullable;
+
 import java.util.Objects;
 
 /**
@@ -87,12 +88,12 @@ public static VersionNumber version(int major, int minor) {
     }
 
     public static VersionNumber parse(String versionString) {
-        if (versionString == null || versionString.length() == 0) {
+        if (versionString == null || versionString.isEmpty()) {
             return UNKNOWN;
         }
         Scanner scanner = new Scanner(versionString);
 
-        int major = 0;
+        int major;
         int minor = 0;
         int micro = 0;
         int patch = 0;

src/main/java/org/gradlex/jvm/dependency/conflict/resolution/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.resolution;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;

src/main/java/org/gradlex/jvm/dependency/conflict/resolution/rules/package-info.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-@NonNullApi
+@NullMarked
 package org.gradlex.jvm.dependency.conflict.resolution.rules;
 
-import org.gradle.api.NonNullApi;
+import org.jspecify.annotations.NullMarked;