Merge pull request #13 from sullis/add-recipe-commons-math-3x

add recipe for Apache Commons Math 3.x

build.gradle.kts

@@ -41,6 +41,9 @@ dependencies {
     testImplementation("commons-collections:commons-collections:3.2.2")
     testImplementation("org.apache.commons:commons-collections4:4.4")
 
+    testImplementation("org.apache.commons:commons-math:2.2")
+    testImplementation("org.apache.commons:commons-math3:3.+")
+
     testImplementation("commons-lang:commons-lang:2.6")
     testImplementation("org.apache.commons:commons-lang3:3.+")
 

src/main/resources/META-INF/rewrite/apache-commons-math-2-3.yml

@@ -0,0 +1,46 @@
+#
+# Copyright 2024 original author or authors.
+# <p>
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# <p>
+# https://www.apache.org/licenses/LICENSE-2.0
+# <p>
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+########################################################################################################################
+# Apache Commons Math
+---
+type: specs.openrewrite.org/v1beta/recipe
+name: org.openrewrite.apache.commons.math.UpgradeApacheCommonsMath_2_3
+displayName: Migrates to Apache Commons Math 3.x
+description: >
+  Migrate applications to the latest Apache Commons Math 3.x release. This recipe modifies 
+  application's build files, make changes to deprecated/preferred APIs, and migrates configuration settings that have
+  changes between versions.
+tags:
+  - apache
+  - commons
+  - math
+recipeList:
+  - org.openrewrite.java.dependencies.ChangeDependency:
+      oldGroupId: org.apache.commons
+      oldArtifactId: commons-math
+      newGroupId: org.apache.commons
+      newArtifactId: commons-math3
+      newVersion: 3.x
+  - org.openrewrite.java.dependencies.ChangeDependency:
+      oldGroupId: commons-math
+      oldArtifactId: commons-math
+      newGroupId: org.apache.commons
+      newArtifactId: commons-math3
+      newVersion: 3.x
+  - org.openrewrite.java.ChangePackage:
+      oldPackageName: org.apache.commons.math
+      newPackageName: org.apache.commons.math3

src/test/java/org/openrewrite/apache/commons/math/UpgradeApacheCommonsMath_2_3Test.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2024 the original author or authors.
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * https://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.openrewrite.apache.commons.math;
+
+import org.junit.jupiter.api.Test;
+import org.openrewrite.DocumentExample;
+import org.openrewrite.config.Environment;
+import org.openrewrite.java.JavaParser;
+import org.openrewrite.test.RecipeSpec;
+import org.openrewrite.test.RewriteTest;
+
+import static org.openrewrite.java.Assertions.java;
+
+
+class UpgradeApacheCommonsMath_2_3Test implements RewriteTest {
+    @Override
+    public void defaults(RecipeSpec spec) {
+        spec
+          .parser(JavaParser.fromJavaVersion().classpath(
+            "commons-math", "commons-math3"))
+          .recipe(Environment.builder()
+            .scanRuntimeClasspath("org.openrewrite")
+            .build()
+            .activateRecipes("org.openrewrite.apache.commons.math.UpgradeApacheCommonsMath_2_3")
+          );
+    }
+
+    @DocumentExample
+    @Test
+    void apacheCommonsMath() {
+        rewriteRun(
+          //language=java
+          java(
+            """
+              import org.apache.commons.math.Field;
+              import org.apache.commons.math.stat.StatUtils;
+
+              class Test {
+                  static void helloApacheMath() {
+                     Field field = null;
+                     double[] data = new double[] { 25.1d, 35.2d };
+                     double max = StatUtils.max(data);
+                  }
+              }
+              """,
+            """
+              import org.apache.commons.math3.Field;
+              import org.apache.commons.math3.stat.StatUtils;
+
+              class Test {
+                  static void helloApacheMath() {
+                     Field field = null;
+                     double[] data = new double[] { 25.1d, 35.2d };
+                     double max = StatUtils.max(data);
+                  }
+              }
+              """
+          )
+        );
+    }
+}