Polish ChangeDefaultKeyStore to only apply to Java 11 (#670)

Author: timtebeek

src/main/java/org/openrewrite/java/migrate/ChangeDefaultKeyStore.java

@@ -15,7 +15,6 @@
  */
 package org.openrewrite.java.migrate;
 
-
 import org.openrewrite.ExecutionContext;
 import org.openrewrite.Preconditions;
 import org.openrewrite.Recipe;
@@ -31,7 +30,6 @@
 
 import static org.openrewrite.Tree.randomId;
 
-
 public class ChangeDefaultKeyStore extends Recipe {
     private static final MethodMatcher KEYSTORE_METHOD_REF = new MethodMatcher("java.security.KeyStore getDefaultType()", true);
 
@@ -42,15 +40,19 @@ public String getDisplayName() {
 
     @Override
     public String getDescription() {
-        return "In Java 11 the default keystore was updated from JKS to PKCS12." + "As a result, applications relying on KeyStore.getDefaultType() may encounter issues after migrating, unless their JKS keystore has been converted to PKCS12." + "This recipe returns default key store of `jks` when `KeyStore.getDefaultType()` method is called to use the pre Java 11 default keystore.";
+        return "In Java 11 the default keystore was updated from JKS to PKCS12. " +
+                "As a result, applications relying on KeyStore.getDefaultType() may encounter issues after migrating," +
+                " unless their JKS keystore has been converted to PKCS12. " +
+                "This recipe returns default key store of `jks` when `KeyStore.getDefaultType()` method is called to" +
+                " use the pre Java 11 default keystore.";
     }
 
     @Override
     public TreeVisitor<?, ExecutionContext> getVisitor() {
         return Preconditions.check(
                 Preconditions.and(
-                        new UsesJavaVersion<>(11),
-                        new UsesMethod<>("java.security.KeyStore getDefaultType()")),
+                        new UsesJavaVersion<>(11, 11),
+                        new UsesMethod<>(KEYSTORE_METHOD_REF)),
                 new JavaVisitor<ExecutionContext>() {
                     @Override
                     public J visitMethodInvocation(J.MethodInvocation method, ExecutionContext ctx) {

src/test/java/org/openrewrite/java/migrate/ChangeDefaultKeyStoreTest.java

@@ -15,6 +15,7 @@
  */
 package org.openrewrite.java.migrate;
 
+import org.intellij.lang.annotations.Language;
 import org.junit.jupiter.api.Test;
 import org.openrewrite.DocumentExample;
 import org.openrewrite.test.RecipeSpec;
@@ -24,6 +25,29 @@
 import static org.openrewrite.java.Assertions.javaVersion;
 
 class ChangeDefaultKeyStoreTest implements RewriteTest {
+
+    @Language("java")
+    private static final String BEFORE = """
+      import java.io.FileInputStream;
+      import java.io.IOException;
+      import java.security.Key;
+      import java.security.KeyStore;
+
+      class Foo {
+       	void bar() {
+       		try{
+       			KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
+       			char[] password = "your_keystore_password".toCharArray();
+       			FileInputStream keystoreFile = new FileInputStream("path_to_your_keystore_file.jks");
+       			keystore.load(keystoreFile, password);
+       		}
+       		catch (Exception e) {
+       			e.printStackTrace();
+       		}
+       	}
+      }
+      """;
+
     @Override
     public void defaults(RecipeSpec spec) {
         spec.recipe(new ChangeDefaultKeyStore())
@@ -32,30 +56,11 @@ public void defaults(RecipeSpec spec) {
 
     @DocumentExample
     @Test
-    void keyStore() {
+    void keyStoreDefaultTypeChangedToExplicitType() {
         rewriteRun(
           //language=java
           java(
-            """
-              import java.io.FileInputStream;
-              import java.io.IOException;
-              import java.security.Key;
-              import java.security.KeyStore;
-
-              class Foo {
-               	void bar() {
-               		try{
-               			KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
-               			char[] password = "your_keystore_password".toCharArray();
-               			FileInputStream keystoreFile = new FileInputStream("path_to_your_keystore_file.jks");
-               			keystore.load(keystoreFile, password);
-               		}
-               		catch (Exception e) {
-               			e.printStackTrace();
-               		}
-               	}
-              }
-              """,
+            BEFORE,
             """
               import java.io.FileInputStream;
               import java.io.IOException;
@@ -81,7 +86,7 @@ void bar() {
     }
 
     @Test
-    void keepString() {
+    void keepExplicitType() {
         rewriteRun(
           //language=java
           java(
@@ -113,27 +118,18 @@ void keepStringForJava8() {
         rewriteRun(
           //language=java
           java(
-            """
-              import java.io.FileInputStream;
-              import java.io.IOException;
-              import java.security.Key;
-              import java.security.KeyStore;
-
-              class Foo {
-               	void bar() {
-               		try{
-               			KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
-               			char[] password = "your_keystore_password".toCharArray();
-               			FileInputStream keystoreFile = new FileInputStream("path_to_your_keystore_file.jks");
-               			keystore.load(keystoreFile, password);
-               		}
-               		catch (Exception e) {
-               			e.printStackTrace();
-               		}
-               	}
-              }
-              """,
+            BEFORE,
             spec -> spec.markers(javaVersion(8)))
         );
     }
+
+    @Test
+    void keepStringForJava17() {
+        rewriteRun(
+          //language=java
+          java(
+            BEFORE,
+            spec -> spec.markers(javaVersion(17)))
+        );
+    }
 }