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Create initial version of ReactLegacyArchitectureProcessor (#49570)

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Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/49570

This diff creates a initial version of the annotation processor to output the list of types that are annotated with LegacyArchitecture

changelog: [internal] internal

Reviewed By: cortinico

Differential Revision: D69929875

fbshipit-source-id: 90a8d299f4667ab8d103c061d287991dbdb291df
This commit is contained in:
David Vacca
2025-02-20 17:06:11 -08:00
committed by Facebook GitHub Bot
parent c612662999
commit 14bb32f4fc
1 changed files with 32 additions and 6 deletions
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packages/react-native/ReactAndroid/src/main/java/com/facebook/react/processing/ReactLegacyArchitectureProcessor.java
+32 -6
View File
@@ -1,26 +1,52 @@
// (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
package com.facebook.react.processing;
import com.facebook.annotationprocessors.common.ProcessorBase;
import com.facebook.react.common.annotations.internal.LegacyArchitecture;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
@SupportedAnnotationTypes("com.facebook.react.common.annotations.internal.LegacyArchitecture")
@SupportedSourceVersion(SourceVersion.RELEASE_11)
public class ReactLegacyArchitectureProcessor extends ProcessorBase {
public ReactLegacyArchitectureProcessor() {
super();
}
@Override
protected boolean processImpl(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
// Do nothing for now
String outputFileName = System.getenv().get("RN_LEGACY_ARCH_OUTPUT_FILE_NAME");
if (outputFileName == null || outputFileName.trim().isEmpty()) {
return true;
}
Set<? extends Element> elements = roundEnv.getElementsAnnotatedWith(LegacyArchitecture.class);
List<String> classes = new ArrayList<>();
for (Element element : elements) {
TypeElement classType = (TypeElement) element;
String className = classType.getQualifiedName().toString().replace(".", "/");
classes.add("type L" + className + ";");
}
try (FileWriter writer = new FileWriter(outputFileName, true)) {
for (String clazz : classes) {
writer.write(clazz + "\n");
}
} catch (IOException e) {
throw new RuntimeException(e);
}
return true;
}
}