[java-generator] Implement an option to filter files based on suffixes

CHANGELOG.md

@@ -7,6 +7,7 @@
 #### Improvements
 * Fix #5166: Remove opinionated messages from Config's `errorMessages` and deprecate it
 * Fix #5233: Generalized SchemaSwap to allow for cycle expansion
+* Fix #5287: Add an option to filter the files processed by the java-generator, based on a suffix allowlist
 
 #### Dependency Upgrade
 

doc/java-generation-from-CRD.md

@@ -91,6 +91,8 @@ Usage: java-gen [-hV] [-add-extra-annotations] [-enum-uppercase]
                             crds
       -enum-uppercase, --enum-uppercase
                           Uppercase the enum values
+      -files-suffixes, --files-suffixes=<filesSuffixes>
+                          Filter the source files with the specific suffixes
   -h, --help              Show this help message and exit.
       -package-overrides, --package-overrides=<String=String>
                           Apply the overrides to the package names
@@ -118,6 +120,10 @@ And the corresponding configurations of the Maven plugin are (output of `mvn hel
       User property: fabric8.java-generator.extra-annotations
       Generate Extra annotation for lombok and sundrio integration
 
+    filesSuffixes
+      User property: fabric8.java-generator.files-suffixes
+      Files suffixes to be processed
+
     generatedAnnotations
       User property: fabric8.java-generator.generated-annotations
       *advanced* Emit the @javax.annotation.processing.Generated annotation on

java-generator/cli/src/main/java/io/fabric8/java/generator/cli/GenerateJavaSources.java

@@ -67,14 +67,19 @@ public class GenerateJavaSources implements Runnable {
       "--package-overrides" }, description = "Apply the overrides to the package names", required = false)
   Map<String, String> packageOverrides = null;
 
+  @Option(names = { "-files-suffixes",
+      "--files-suffixes" }, description = "Filter the source files with the specific suffixes", required = false)
+  List<String> filesSuffixes = null;
+
   @Override
   public void run() {
     final Boolean noGeneratedAnnotations = (skipGeneratedAnnotations != null) ? skipGeneratedAnnotations : false;
     final Config config = new Config(
         uppercaseEnum,
         addExtraAnnotations,
         !noGeneratedAnnotations,
-        packageOverrides);
+        packageOverrides,
+        filesSuffixes);
 
     List<JavaGenerator> runners = new ArrayList<>();
 

java-generator/core/src/main/java/io/fabric8/java/generator/Config.java

@@ -18,7 +18,9 @@
 import lombok.Builder;
 import lombok.NoArgsConstructor;
 
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 @Builder(toBuilder = true)
@@ -28,11 +30,13 @@ public class Config {
   private static final boolean DEFAULT_ADD_EXTRA_ANNOTATIONS = false;
   private static final boolean DEFAULT_ADD_GENERATED_ANNOTATIONS = true;
   private static final Map<String, String> DEFAULT_PACKAGE_OVERRIDES = new HashMap<>();
+  private static final List<String> DEFAULT_FILES_SUFFIXES = Arrays.asList(".yaml", ".yml", ".json");
 
   private Boolean uppercaseEnums = DEFAULT_UPPERCASE_ENUM;
   private Boolean objectExtraAnnotations = DEFAULT_ADD_EXTRA_ANNOTATIONS;
   private Boolean generatedAnnotations = DEFAULT_ADD_GENERATED_ANNOTATIONS;
   private Map<String, String> packageOverrides = DEFAULT_PACKAGE_OVERRIDES;
+  private List<String> filesSuffixes = DEFAULT_FILES_SUFFIXES;
 
   public Config(
       Boolean uppercaseEnums,
@@ -53,6 +57,29 @@ public Config(
     }
   }
 
+  public Config(
+      Boolean uppercaseEnums,
+      Boolean objectExtraAnnotations,
+      Boolean generatedAnnotations,
+      Map<String, String> packageOverrides,
+      List<String> filesSuffixes) {
+    if (uppercaseEnums != null) {
+      this.uppercaseEnums = uppercaseEnums;
+    }
+    if (objectExtraAnnotations != null) {
+      this.objectExtraAnnotations = objectExtraAnnotations;
+    }
+    if (generatedAnnotations != null) {
+      this.generatedAnnotations = generatedAnnotations;
+    }
+    if (packageOverrides != null) {
+      this.packageOverrides = packageOverrides;
+    }
+    if (filesSuffixes != null) {
+      this.filesSuffixes = filesSuffixes;
+    }
+  }
+
   public boolean isUppercaseEnums() {
     return (uppercaseEnums == null) ? DEFAULT_UPPERCASE_ENUM : uppercaseEnums;
   }
@@ -70,8 +97,14 @@ public boolean isGeneratedAnnotations() {
   }
 
   public Map<String, String> getPackageOverrides() {
-    return (packageOverrides == null)
+    return (packageOverrides == null || packageOverrides.isEmpty())
         ? DEFAULT_PACKAGE_OVERRIDES
         : packageOverrides;
   }
+
+  public List<String> getFilesSuffixes() {
+    return (filesSuffixes == null || filesSuffixes.isEmpty())
+        ? DEFAULT_FILES_SUFFIXES
+        : filesSuffixes;
+  }
 }

java-generator/core/src/main/java/io/fabric8/java/generator/FileJavaGenerator.java

@@ -46,11 +46,13 @@ public class FileJavaGenerator implements JavaGenerator {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(FileJavaGenerator.class);
 
+  private final Config config;
   private final File source;
   private final CRGeneratorRunner crGeneratorRunner;
 
   public FileJavaGenerator(Config config, File source) {
     crGeneratorRunner = new CRGeneratorRunner(config);
+    this.config = config;
     this.source = source;
   }
 
@@ -64,6 +66,7 @@ public void run(File outputDirectory) {
         walk
             .map(Path::toFile)
             .filter(f -> !f.getAbsolutePath().equals(source.getAbsolutePath()) && f.isFile())
+            .filter(f -> config.getFilesSuffixes().stream().anyMatch(suffix -> f.getName().endsWith(suffix)))
             .forEach(f -> runOnSingleSource(f, outputDirectory));
       } catch (IOException e) {
         throw new JavaGeneratorException(

java-generator/gradle-plugin/src/main/java/io/fabric8/java/generator/gradle/plugin/JavaGeneratorPluginExtension.java

@@ -100,7 +100,8 @@ public void setEnumUppercase(final Boolean isEnumUppercase) {
     javaGeneratorConfig = new Config(isEnumUppercase,
         javaGeneratorConfig.isObjectExtraAnnotations(),
         javaGeneratorConfig.isGeneratedAnnotations(),
-        javaGeneratorConfig.getPackageOverrides());
+        javaGeneratorConfig.getPackageOverrides(),
+        javaGeneratorConfig.getFilesSuffixes());
   }
 
   /**
@@ -115,7 +116,8 @@ public void setExtraAnnotations(final Boolean isExtraAnnotations) {
     javaGeneratorConfig = new Config(javaGeneratorConfig.isUppercaseEnums(),
         isExtraAnnotations,
         javaGeneratorConfig.isGeneratedAnnotations(),
-        javaGeneratorConfig.getPackageOverrides());
+        javaGeneratorConfig.getPackageOverrides(),
+        javaGeneratorConfig.getFilesSuffixes());
   }
 
   /**
@@ -130,7 +132,8 @@ public void setGeneratedAnnotations(final Boolean isGeneratedAnnotations) {
     javaGeneratorConfig = new Config(javaGeneratorConfig.isUppercaseEnums(),
         javaGeneratorConfig.isObjectExtraAnnotations(),
         isGeneratedAnnotations,
-        javaGeneratorConfig.getPackageOverrides());
+        javaGeneratorConfig.getPackageOverrides(),
+        javaGeneratorConfig.getFilesSuffixes());
   }
 
   /**
@@ -145,6 +148,23 @@ public void setPackageOverrides(final Map<String, String> packageOverrides) {
     javaGeneratorConfig = new Config(javaGeneratorConfig.isUppercaseEnums(),
         javaGeneratorConfig.isObjectExtraAnnotations(),
         javaGeneratorConfig.isGeneratedAnnotations(),
-        packageOverrides);
+        packageOverrides,
+        javaGeneratorConfig.getFilesSuffixes());
+  }
+
+  /**
+   * Files suffixes to be processed
+   *
+   */
+  public List<String> getFilesSuffixes() {
+    return javaGeneratorConfig.getFilesSuffixes();
+  }
+
+  public void setPackageOverrides(final List<String> filesSuffixes) {
+    javaGeneratorConfig = new Config(javaGeneratorConfig.isUppercaseEnums(),
+        javaGeneratorConfig.isObjectExtraAnnotations(),
+        javaGeneratorConfig.isGeneratedAnnotations(),
+        javaGeneratorConfig.getPackageOverrides(),
+        filesSuffixes);
   }
 }

java-generator/it/src/it/skip-files-suffixes/invoker.properties

@@ -0,0 +1,17 @@
+#
+# Copyright (C) 2015 Red Hat, Inc.
+#
+# 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
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# 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.
+#
+
+invoker.goals.1=package

java-generator/it/src/it/skip-files-suffixes/pom.xml

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright (C) 2015 Red Hat, Inc.
+
+    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
+
+            http://www.apache.org/licenses/LICENSE-2.0
+
+    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.
+
+-->
+<project>
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <artifactId>cert-manager-extension</artifactId>
+  <groupId>io.fabric8.it</groupId>
+  <version>0.0-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+  <properties>
+    <maven.compiler.source>@maven.compiler.source@</maven.compiler.source>
+    <maven.compiler.target>@maven.compiler.target@</maven.compiler.target>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>io.sundr</groupId>
+      <artifactId>sundr-adapter-reflect</artifactId>
+      <version>@sundrio.version@</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>io.sundr</groupId>
+      <artifactId>builder-annotations</artifactId>
+      <version>@sundrio.version@</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>@lombok.version@</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>io.fabric8</groupId>
+      <artifactId>kubernetes-client</artifactId>
+      <version>@project.version@</version>
+    </dependency>
+    <dependency>
+      <groupId>io.fabric8</groupId>
+      <artifactId>generator-annotations</artifactId>
+      <version>@project.version@</version>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>io.fabric8</groupId>
+        <artifactId>java-generator-maven-plugin</artifactId>
+        <version>@project.version@</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>generate</goal>
+            </goals>
+          </execution>
+        </executions>
+        <configuration>
+          <source>src/main/resources/</source>
+          <extraAnnotations>true</extraAnnotations>
+          <generatedAnnotations>false</generatedAnnotations>
+          <filesSuffixes>.json</filesSuffixes>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>