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Merge pull request #31179 from zakkak/2023-02-15-jni-config-json
Move native JNI configuration from Feature to json
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90 changes: 90 additions & 0 deletions
90
core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageJNIConfigStep.java
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package io.quarkus.deployment.steps; | ||
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import java.io.IOException; | ||
import java.io.StringWriter; | ||
import java.nio.charset.StandardCharsets; | ||
import java.util.LinkedHashMap; | ||
import java.util.List; | ||
import java.util.Map; | ||
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import io.quarkus.builder.Json; | ||
import io.quarkus.builder.Json.JsonArrayBuilder; | ||
import io.quarkus.builder.Json.JsonObjectBuilder; | ||
import io.quarkus.deployment.annotations.BuildProducer; | ||
import io.quarkus.deployment.annotations.BuildStep; | ||
import io.quarkus.deployment.builditem.GeneratedResourceBuildItem; | ||
import io.quarkus.deployment.builditem.nativeimage.JniRuntimeAccessBuildItem; | ||
import io.quarkus.deployment.pkg.steps.NativeOrNativeSourcesBuild; | ||
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public class NativeImageJNIConfigStep { | ||
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@BuildStep(onlyIf = NativeOrNativeSourcesBuild.class) | ||
void generateJniConfig(BuildProducer<GeneratedResourceBuildItem> jniConfig, | ||
List<JniRuntimeAccessBuildItem> jniRuntimeAccessibleClasses) { | ||
final Map<String, JniInfo> jniClasses = new LinkedHashMap<>(); | ||
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for (JniRuntimeAccessBuildItem jniAccessible : jniRuntimeAccessibleClasses) { | ||
addJniClass(jniClasses, jniAccessible); | ||
} | ||
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JsonArrayBuilder root = Json.array(); | ||
for (Map.Entry<String, JniInfo> entry : jniClasses.entrySet()) { | ||
JsonObjectBuilder json = Json.object(); | ||
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json.put("name", entry.getKey()); | ||
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JniInfo info = entry.getValue(); | ||
if (info.constructors) { | ||
json.put("allDeclaredConstructors", true); | ||
} | ||
if (info.methods) { | ||
json.put("allDeclaredMethods", true); | ||
} | ||
if (info.fields) { | ||
json.put("allDeclaredFields", true); | ||
} | ||
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root.add(json); | ||
} | ||
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try (StringWriter writer = new StringWriter()) { | ||
root.appendTo(writer); | ||
jniConfig.produce(new GeneratedResourceBuildItem("META-INF/native-image/jni-config.json", | ||
writer.toString().getBytes(StandardCharsets.UTF_8))); | ||
} catch (IOException e) { | ||
throw new RuntimeException(e); | ||
} | ||
} | ||
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private void addJniClass(Map<String, JniInfo> jniClasses, JniRuntimeAccessBuildItem jniRuntimeAccessBuildItem) { | ||
for (String cl : jniRuntimeAccessBuildItem.getClassNames()) { | ||
JniInfo existing = jniClasses.get(cl); | ||
if (existing == null) { | ||
jniClasses.put(cl, new JniInfo(jniRuntimeAccessBuildItem)); | ||
} else { | ||
if (jniRuntimeAccessBuildItem.isConstructors()) { | ||
existing.constructors = true; | ||
} | ||
if (jniRuntimeAccessBuildItem.isMethods()) { | ||
existing.methods = true; | ||
} | ||
if (jniRuntimeAccessBuildItem.isFields()) { | ||
existing.fields = true; | ||
} | ||
} | ||
} | ||
} | ||
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static final class JniInfo { | ||
boolean constructors; | ||
boolean methods; | ||
boolean fields; | ||
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private JniInfo(JniRuntimeAccessBuildItem jniRuntimeAccessBuildItem) { | ||
this.methods = jniRuntimeAccessBuildItem.isMethods(); | ||
this.fields = jniRuntimeAccessBuildItem.isFields(); | ||
this.constructors = jniRuntimeAccessBuildItem.isConstructors(); | ||
} | ||
} | ||
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} |