Added Migrate DefaultHttpClient & some cookie constants

src/main/java/org/openrewrite/java/apache/httpclient4/MigrateDefaultHttpClient.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2023 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.java.apache.httpclient4;
+
+import org.openrewrite.ExecutionContext;
+import org.openrewrite.Preconditions;
+import org.openrewrite.Recipe;
+import org.openrewrite.TreeVisitor;
+import org.openrewrite.java.*;
+import org.openrewrite.java.search.UsesType;
+import org.openrewrite.java.tree.J;
+
+public class MigrateDefaultHttpClient extends Recipe {
+    @Override
+    public String getDisplayName() {
+        return "Migrates deprecated `DefaultHttpClient`";
+    }
+
+    @Override
+    public String getDescription() {
+        return "Since DefaultHttpClient is deprecated, we need to change it to the CloseableHttpClient. " +
+                "Only covering the default scenario with no custom HttpParams or ConnectionManager.";
+    }
+
+    @Override
+    public TreeVisitor<?, ExecutionContext> getVisitor() {
+        return Preconditions.check(new UsesType<>("org.apache.http.impl.client.DefaultHttpClient", false), new JavaVisitor<ExecutionContext>() {
+            final MethodMatcher noArgsMatcher = new MethodMatcher("org.apache.http.impl.client.DefaultHttpClient <constructor>()");
+            final JavaTemplate noArgsTemplate = JavaTemplate.builder("HttpClients.createDefault()")
+                    .javaParser(JavaParser.fromJavaVersion().classpath("httpclient"))
+                    .imports("org.apache.http.impl.client.HttpClients")
+                    .build();
+
+            @Override
+            public J visitNewClass(J.NewClass newClass, ExecutionContext executionContext) {
+                if (noArgsMatcher.matches(newClass.getConstructorType())) {
+                    maybeAddImport("org.apache.http.impl.client.HttpClients");
+                    doAfterVisit(new ChangeType(
+                            "org.apache.http.impl.client.DefaultHttpClient",
+                            "org.apache.http.impl.client.CloseableHttpClient", true
+                    ).getVisitor());
+                    return noArgsTemplate.apply(getCursor(), newClass.getCoordinates().replace());
+                }
+                return super.visitNewClass(newClass, executionContext);
+            }
+        });
+    }
+
+}

src/main/java/org/openrewrite/java/apache/httpclient4/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2023 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.
+ */
+@NonNullApi @NonNullFields
+package org.openrewrite.java.apache.httpclient4;
+
+import org.openrewrite.internal.lang.NonNullApi;
+import org.openrewrite.internal.lang.NonNullFields;

src/main/resources/META-INF/rewrite/apache-httpclient-4-5.yml

@@ -0,0 +1,53 @@
+#
+# Copyright 2023 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.
+#
+
+########################################################################################################################
+# Apache HttpClient 4.5.x
+---
+type: specs.openrewrite.org/v1beta/recipe
+name: org.openrewrite.java.apache.httpclient4.UpgradeApacheHttpClient_4_5
+displayName: Migrates to ApacheHttpClient 4.5.x
+description: >
+  Migrate applications to the latest Apache HttpClient 4.5.x release. This recipe will modify an
+  application's build files, make changes to deprecated/preferred APIs, and migrate configuration settings that have
+  changes between versions.
+tags:
+  - apache
+  - httpclient
+recipeList:
+  - org.openrewrite.java.dependencies.UpgradeDependencyVersion:
+      groupId: org.apache.httpcomponents
+      artifactId: httpclient
+      newVersion: 4.5.x
+      overrideManagedVersion: true
+  - org.openrewrite.java.apache.httpclient4.MappingDeprecatedClasses
+---
+type: specs.openrewrite.org/v1beta/recipe
+name: org.openrewrite.java.apache.httpclient4.MappingDeprecatedClasses
+displayName: Maps deprecated classes from ApacheHttpClient 4.5.x to Newer ones
+description: Uses new classes/methods instead of the deprecated ones
+recipeList:
+  - org.openrewrite.java.ReplaceConstantWithAnotherConstant:
+      existingFullyQualifiedConstantName: org.apache.http.client.params.CookiePolicy.RFC_2109
+      fullyQualifiedConstantName: org.apache.http.client.config.CookieSpecs.STANDARD
+  - org.openrewrite.java.ReplaceConstantWithAnotherConstant:
+      existingFullyQualifiedConstantName: org.apache.http.client.params.CookiePolicy.RFC_2965
+      fullyQualifiedConstantName: org.apache.http.client.config.CookieSpecs.STANDARD_STRICT
+  - org.openrewrite.java.ChangeType:
+      oldFullyQualifiedTypeName: org.apache.http.client.params.CookiePolicy
+      newFullyQualifiedTypeName: org.apache.http.client.config.CookieSpecs
+  - org.openrewrite.java.apache.httpclient4.MigrateDefaultHttpClient
+

src/main/resources/META-INF/rewrite/apache-httpclient-5.yml

@@ -28,6 +28,7 @@ tags:
   - apache
   - httpclient
 recipeList:
+  - org.openrewrite.java.apache.httpclient4.UpgradeApacheHttpClient_4_5
   - org.openrewrite.java.dependencies.ChangeDependency:
       oldGroupId: org.apache.httpcomponents
       oldArtifactId: httpclient
@@ -40,7 +41,6 @@ recipeList:
   - org.openrewrite.java.apache.httpclient5.UseTimeout
   - org.openrewrite.java.apache.httpclient5.UseTimeValue
   - org.openrewrite.java.apache.httpclient5.StatusLine
-
 ---
 type: specs.openrewrite.org/v1beta/recipe
 name: org.openrewrite.java.apache.httpclient5.UpgradeApacheHttpClient_5_ClassMapping
@@ -132,19 +132,33 @@ recipeList:
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.auth
       newPackageName: org.apache.hc.client5.http.auth
+
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.cookie
       newPackageName: org.apache.hc.client5.http.cookie
+
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.cookie
       newPackageName: org.apache.hc.client5.http.cookie
 
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.annotation
       newPackageName: org.apache.hc.core5.annotation
+
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.client.config
       newPackageName: org.apache.hc.client5.http.config
+  # Fixing deprecated constants
+  - org.openrewrite.java.ReplaceConstantWithAnotherConstant:
+      existingFullyQualifiedConstantName: org.apache.hc.client5.http.config.CookieSpecs.IGNORE_COOKIES
+      fullyQualifiedConstantName: org.apache.hc.client5.http.cookie.StandardCookieSpec.IGNORE
+  - org.openrewrite.java.ReplaceConstantWithAnotherConstant:
+      existingFullyQualifiedConstantName: org.apache.hc.client5.http.config.CookieSpecs.STANDARD
+      fullyQualifiedConstantName: org.apache.hc.client5.http.cookie.StandardCookieSpec.RELAXED
+  - org.openrewrite.java.ReplaceConstantWithAnotherConstant:
+      existingFullyQualifiedConstantName: org.apache.hc.client5.http.config.CookieSpecs.STANDARD_STRICT
+      fullyQualifiedConstantName: org.apache.hc.client5.http.cookie.StandardCookieSpec.STRICT
+
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.annotation
       newPackageName: org.apache.hc.core5.annotation
@@ -183,9 +197,11 @@ recipeList:
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.io
       newPackageName: org.apache.hc.core5.http.io
+
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.message
       newPackageName: org.apache.hc.core5.http.message
+
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.pool
       newPackageName: org.apache.hc.core5.pool
@@ -255,6 +271,7 @@ recipeList:
   - org.openrewrite.java.ChangePackage:
       oldPackageName: org.apache.http.config
       newPackageName: org.apache.hc.core5.http.config
+  # Fixing specific mappings
   - org.openrewrite.java.ChangeType:
       oldFullyQualifiedTypeName: org.apache.hc.core5.http.config.SocketConfig
       newFullyQualifiedTypeName: org.apache.hc.core5.http.io.SocketConfig

src/test/java/org/openrewrite/java/apache/httpclient4/CookieConstantsTest.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2023 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.java.apache.httpclient4;
+
+import org.junit.jupiter.api.Test;
+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;
+
+public class CookieConstantsTest implements RewriteTest {
+    @Override
+    public void defaults(RecipeSpec spec) {
+        spec
+          .parser(JavaParser.fromJavaVersion().classpath("httpclient", "httpcore"))
+          .recipe(Environment.builder()
+            .scanRuntimeClasspath("org.openrewrite")
+            .build()
+            .activateRecipes("org.openrewrite.java.apache.httpclient4.UpgradeApacheHttpClient_4_5")
+          );
+    }
+
+    @Test
+    void testCookieConstantsMapping() {
+        rewriteRun(
+          //language=java
+          java(
+            """
+                import org.apache.http.client.params.CookiePolicy;
+
+                class A {
+                    void method() {
+                        String c1 = CookiePolicy.BROWSER_COMPATIBILITY;
+                        String c2 = CookiePolicy.NETSCAPE;
+                        String c3 = CookiePolicy.RFC_2109;
+                        String c4 = CookiePolicy.RFC_2965;
+                        String c5 = CookiePolicy.BEST_MATCH;
+                        String c6 = CookiePolicy.IGNORE_COOKIES;
+                    }
+                }
+            """, """
+                import org.apache.http.client.config.CookieSpecs;
+
+                class A {
+                    void method() {
+                        String c1 = CookieSpecs.BROWSER_COMPATIBILITY;
+                        String c2 = CookieSpecs.NETSCAPE;
+                        String c3 = CookieSpecs.STANDARD;
+                        String c4 = CookieSpecs.STANDARD_STRICT;
+                        String c5 = CookieSpecs.BEST_MATCH;
+                        String c6 = CookieSpecs.IGNORE_COOKIES;
+                    }
+                }
+            """
+          )
+        );
+    }
+}

src/test/java/org/openrewrite/java/apache/httpclient4/MigrateDefaultHttpClientTest.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2023 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.java.apache.httpclient4;
+
+import org.junit.jupiter.api.Test;
+import org.openrewrite.java.JavaParser;
+import org.openrewrite.test.RecipeSpec;
+import org.openrewrite.test.RewriteTest;
+
+import static org.openrewrite.java.Assertions.java;
+
+public class MigrateDefaultHttpClientTest implements RewriteTest {
+
+    @Override
+    public void defaults(RecipeSpec spec) {
+        spec
+          .parser(JavaParser.fromJavaVersion().classpath("httpclient", "httpcore"))
+          .recipe(new MigrateDefaultHttpClient());
+    }
+
+    @Test
+    void noArgsDefaultHttpClient() {
+        rewriteRun(
+          //language=java
+          java(
+            """
+                import org.apache.http.HttpResponse;
+                import org.apache.http.client.methods.HttpPost;
+                import org.apache.http.impl.client.DefaultHttpClient;
+
+                import java.io.IOException;
+
+                class A {
+                    void method() throws IOException {
+                        DefaultHttpClient httpClient = new DefaultHttpClient();
+                        HttpPost httpPost = new HttpPost("https://moderne.io");
+                        HttpResponse httpResponse = httpClient.execute(httpPost);
+                    }
+                }
+              """, """
+                import org.apache.http.HttpResponse;
+                import org.apache.http.client.methods.HttpPost;
+                import org.apache.http.impl.client.CloseableHttpClient;
+                import org.apache.http.impl.client.HttpClients;
+
+                import java.io.IOException;
+
+                class A {
+                    void method() throws IOException {
+                        CloseableHttpClient httpClient = HttpClients.createDefault();
+                        HttpPost httpPost = new HttpPost("https://moderne.io");
+                        HttpResponse httpResponse = httpClient.execute(httpPost);
+                    }
+                }
+              """
+          )
+        );
+    }
+}