feat: add InputParameters interface

Author: NachoBrito

src/main/java/es/nachobrito/jsonschema/compiler/domain/Compiler.java

@@ -26,31 +26,42 @@
 import java.lang.classfile.ClassFile;
 import java.lang.constant.ClassDesc;
 import java.net.URI;
-import java.nio.file.Path;
 import java.util.SortedMap;
 
 public class Compiler {
-  private final Path destinationFolder;
-  private final String packageName;
+  private final InputParameters inputParameters;
   private final SchemaReader schemaReader;
 
-  public Compiler(Path destinationFolder, String packageName, SchemaReader schemaReader) {
-    this.destinationFolder = destinationFolder;
-    this.packageName = packageName;
+  public Compiler(InputParameters inputParameters, SchemaReader schemaReader) {
+    this.inputParameters = inputParameters;
     this.schemaReader = schemaReader;
   }
 
+  /**
+   * Compiles the schema defined in a file, represented by the schemaURI param
+   *
+   * @param schemaURI the uri of the file to compile
+   */
   public void compile(URI schemaURI) {
     compile(schemaReader.read(schemaURI));
   }
 
+  /**
+   * Compiles the schema defined in a String with the JSON
+   *
+   * @param jsonSchema the schema definition
+   */
   public void compile(String jsonSchema) {
     compile(schemaReader.read(jsonSchema));
   }
 
   private void compile(Schema schema) {
-    var className = this.packageName + schema.className();
-    var destinationPath = destinationFolder;
+    var className =
+        inputParameters
+            .getPackageName()
+            .map(pkg -> "%s.%s".formatted(pkg, schema.className()))
+            .orElse(schema.className());
+    var destinationPath = inputParameters.getOutputFolder();
     var properties = schema.properties();
 
     try {

src/main/java/es/nachobrito/jsonschema/compiler/domain/InputParameters.java

@@ -0,0 +1,36 @@
+/*
+ *    Copyright 2024 Nacho Brito
+ *
+ *    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.
+ */
+
+package es.nachobrito.jsonschema.compiler.domain;
+
+import java.nio.file.Path;
+import java.util.Optional;
+
+public interface InputParameters {
+  /**
+   * @return the base package name for generated classes
+   */
+  default Optional<String> getPackageName() {
+    return Optional.empty();
+  }
+
+  /**
+   * @return the output folder for generated class files
+   */
+  default Path getOutputFolder() {
+    return Path.of(".");
+  }
+}

src/main/java/es/nachobrito/jsonschema/compiler/domain/InputParametersRecord.java

@@ -0,0 +1,34 @@
+/*
+ *    Copyright 2024 Nacho Brito
+ *
+ *    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.
+ */
+
+package es.nachobrito.jsonschema.compiler.domain;
+
+import java.nio.file.Path;
+import java.util.Optional;
+
+public record InputParametersRecord(Path destPath, String packageName) implements InputParameters {
+  @Override
+  public Optional<String> getPackageName() {
+    return (packageName == null || packageName.isEmpty())
+        ? Optional.empty()
+        : Optional.of(packageName);
+  }
+
+  @Override
+  public Path getOutputFolder() {
+    return destPath;
+  }
+}

src/test/java/es/nachobrito/jsonschema/compiler/CompilerTest.java

@@ -15,19 +15,19 @@
  */
 package es.nachobrito.jsonschema.compiler;
 
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import es.nachobrito.jsonschema.compiler.domain.Compiler;
+import es.nachobrito.jsonschema.compiler.domain.InputParametersRecord;
 import es.nachobrito.jsonschema.compiler.infrastructure.jsonrefparser.JsonSchemaReader;
-import org.junit.jupiter.api.BeforeAll;
-
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.net.URI;
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.nio.file.Files;
 import java.nio.file.Path;
-
-import static org.junit.jupiter.api.Assertions.assertTrue;
+import org.junit.jupiter.api.BeforeAll;
 
 public class CompilerTest {
   /**
@@ -72,7 +72,7 @@ protected static Class<?> compileSampleSchemaFromFile(String filePath, String ex
             .toURL();
     var destPath =
         Path.of("%s/%s.class".formatted(CompilerSmokeTest.TARGET_GENERATED_CLASSES, expectedName));
-    var compiler = new Compiler(destPath, "", new JsonSchemaReader());
+    var compiler = new Compiler(new InputParametersRecord(destPath, ""), new JsonSchemaReader());
 
     Files.deleteIfExists(destPath);
     compiler.compile(uri);
@@ -99,7 +99,7 @@ protected static Class<?> compileSampleSchemaFromString(String jsonSchema, Strin
                     .toURL();
     var destPath =
             Path.of("%s/%s.class".formatted(CompilerSmokeTest.TARGET_GENERATED_CLASSES, expectedName));
-    var compiler = new Compiler(destPath, "", new JsonSchemaReader());
+    var compiler = new Compiler(new InputParametersRecord(destPath, ""), new JsonSchemaReader());
 
     Files.deleteIfExists(destPath);
     compiler.compile(jsonSchema);