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…1589) Signed-off-by: Michael Edgar <michael@xlate.io>
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89 changes: 89 additions & 0 deletions
89
core/src/main/java/io/smallrye/openapi/runtime/scanner/dataobject/EnumProcessor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package io.smallrye.openapi.runtime.scanner.dataobject; | ||
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| import static io.smallrye.openapi.api.constants.JacksonConstants.ENUM_NAMING; | ||
| import static io.smallrye.openapi.api.constants.JacksonConstants.JSON_PROPERTY; | ||
| import static io.smallrye.openapi.api.constants.JacksonConstants.JSON_VALUE; | ||
| import static io.smallrye.openapi.api.constants.JacksonConstants.PROP_VALUE; | ||
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| import java.lang.reflect.Method; | ||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.Objects; | ||
| import java.util.Optional; | ||
| import java.util.function.Function; | ||
| import java.util.stream.Collectors; | ||
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| import org.jboss.jandex.AnnotationInstance; | ||
| import org.jboss.jandex.AnnotationTarget; | ||
| import org.jboss.jandex.ClassInfo; | ||
| import org.jboss.jandex.FieldInfo; | ||
| import org.jboss.jandex.Type; | ||
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| import io.smallrye.openapi.runtime.scanner.spi.AnnotationScannerContext; | ||
| import io.smallrye.openapi.runtime.util.Annotations; | ||
| import io.smallrye.openapi.runtime.util.JandexUtil; | ||
| import io.smallrye.openapi.runtime.util.TypeUtil; | ||
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| public class EnumProcessor { | ||
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| private static final int ENUM = 0x00004000; // see java.lang.reflect.Modifier#ENUM | ||
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| private EnumProcessor() { | ||
| } | ||
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| public static List<Object> enumConstants(AnnotationScannerContext context, Type enumType) { | ||
| ClassInfo enumKlazz = context.getIndex().getClassByName(TypeUtil.getName(enumType)); | ||
| Function<FieldInfo, String> nameTranslator = nameTranslator(context, enumKlazz); | ||
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| return enumKlazz.annotationsMap() | ||
| .getOrDefault(JSON_VALUE, Collections.emptyList()) | ||
| .stream() | ||
| // @JsonValue#value (default = true) allows for the functionality to be disabled | ||
| .filter(atJsonValue -> Annotations.value(atJsonValue, PROP_VALUE, true)) | ||
| .map(AnnotationInstance::target) | ||
| .filter(JandexUtil::isSupplier) | ||
| .map(valueTarget -> jacksonJsonValues(context, enumKlazz, valueTarget)) | ||
| .filter(Objects::nonNull) | ||
| .findFirst() | ||
| .orElseGet(() -> JandexUtil.fields(context, enumKlazz) | ||
| .stream() | ||
| .filter(field -> (field.flags() & ENUM) != 0) | ||
| .map(nameTranslator::apply) | ||
| .collect(Collectors.toList())); | ||
| } | ||
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| private static List<Object> jacksonJsonValues(AnnotationScannerContext context, ClassInfo enumKlazz, | ||
| AnnotationTarget valueTarget) { | ||
| String className = enumKlazz.name().toString(); | ||
| String methodName = valueTarget.asMethod().name(); | ||
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| try { | ||
| Class<?> loadedEnum = Class.forName(className, false, context.getClassLoader()); | ||
| Method valueMethod = loadedEnum.getDeclaredMethod(methodName); | ||
| Object[] constants = loadedEnum.getEnumConstants(); | ||
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| List<Object> reflectedEnumeration = new ArrayList<>(constants.length); | ||
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| for (Object constant : constants) { | ||
| reflectedEnumeration.add(valueMethod.invoke(constant)); | ||
| } | ||
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| return reflectedEnumeration; | ||
| } catch (Exception e) { | ||
| DataObjectLogging.logger.exceptionReadingEnumJsonValue(className, methodName, e); | ||
| } | ||
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| return null; // NOSONAR | ||
| } | ||
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| private static Function<FieldInfo, String> nameTranslator(AnnotationScannerContext context, ClassInfo enumKlazz) { | ||
| return Optional.<Type> ofNullable(Annotations.getAnnotationValue(enumKlazz, ENUM_NAMING, PROP_VALUE)) | ||
| .map(namingClass -> namingClass.name().toString()) | ||
| .map(namingClass -> PropertyNamingStrategyFactory.getStrategy(namingClass, context.getClassLoader())) | ||
| .<Function<FieldInfo, String>> map(nameStrategy -> fieldInfo -> nameStrategy.apply(fieldInfo.name())) | ||
| .orElse(fieldInfo -> Optional | ||
| .<String> ofNullable(Annotations.getAnnotationValue(fieldInfo, JSON_PROPERTY, PROP_VALUE)) | ||
| .orElseGet(fieldInfo::name)); | ||
| } | ||
| } |
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137 changes: 137 additions & 0 deletions
137
core/src/test/java/io/smallrye/openapi/runtime/scanner/dataobject/EnumNamingTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| package io.smallrye.openapi.runtime.scanner.dataobject; | ||
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| import org.eclipse.microprofile.openapi.annotations.media.Schema; | ||
| import org.eclipse.microprofile.openapi.models.OpenAPI; | ||
| import org.jboss.jandex.Index; | ||
| import org.junit.jupiter.api.Test; | ||
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| import io.smallrye.openapi.runtime.scanner.IndexScannerTestBase; | ||
| import io.smallrye.openapi.runtime.scanner.OpenApiAnnotationScanner; | ||
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| class EnumNamingTest extends IndexScannerTestBase { | ||
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| static void test(Class<?>... classes) throws Exception { | ||
| Index index = indexOf(classes); | ||
| OpenApiAnnotationScanner scanner = new OpenApiAnnotationScanner(emptyConfig(), index); | ||
| OpenAPI result = scanner.scan(); | ||
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| printToConsole(result); | ||
| assertJsonEquals("components.schemas.enum-naming.json", result); | ||
| } | ||
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| @Test | ||
| void testEnumNamingDefault() throws Exception { | ||
| @Schema(name = "Bean") | ||
| class Bean { | ||
| @SuppressWarnings("unused") | ||
| DaysOfWeekDefault days; | ||
| } | ||
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| test(Bean.class, DaysOfWeekDefault.class); | ||
| } | ||
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| @Test | ||
| void testEnumNamingValueMethod() throws Exception { | ||
| @Schema(name = "Bean") | ||
| class Bean { | ||
| @SuppressWarnings("unused") | ||
| DaysOfWeekValue days; | ||
| } | ||
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| test(Bean.class, DaysOfWeekValue.class); | ||
| } | ||
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| @Test | ||
| void testEnumNamingStrategy() throws Exception { | ||
| @Schema(name = "Bean") | ||
| class Bean { | ||
| @SuppressWarnings("unused") | ||
| DaysOfWeekStrategy days; | ||
| } | ||
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| test(Bean.class, DaysOfWeekStrategy.class); | ||
| } | ||
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| @Test | ||
| void testEnumNamingProperty() throws Exception { | ||
| @Schema(name = "Bean") | ||
| class Bean { | ||
| @SuppressWarnings("unused") | ||
| DaysOfWeekProperty days; | ||
| } | ||
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| test(Bean.class, DaysOfWeekProperty.class); | ||
| } | ||
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| @Schema(name = "DaysOfWeek") | ||
| enum DaysOfWeekDefault { | ||
| Monday, | ||
| Tuesday, | ||
| Wednesday, | ||
| Thursday, | ||
| Friday, | ||
| Saturday, | ||
| Sunday | ||
| } | ||
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| @Schema(name = "DaysOfWeek") | ||
| enum DaysOfWeekValue { | ||
| MONDAY, | ||
| TUESDAY, | ||
| WEDNESDAY, | ||
| THURSDAY, | ||
| FRIDAY, | ||
| SATURDAY, | ||
| SUNDAY; | ||
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| @com.fasterxml.jackson.annotation.JsonValue | ||
| public String toValue() { | ||
| String name = name(); | ||
| return name.charAt(0) + name.substring(1).toLowerCase(); | ||
| } | ||
| } | ||
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| @Schema(name = "DaysOfWeek") | ||
| @com.fasterxml.jackson.databind.annotation.EnumNaming(DaysOfWeekShortNaming.class) | ||
| enum DaysOfWeekStrategy { | ||
| MON("Monday"), | ||
| TUE("Tuesday"), | ||
| WED("Wednesday"), | ||
| THU("Thursday"), | ||
| FRI("Friday"), | ||
| SAT("Saturday"), | ||
| SUN("Sunday"); | ||
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| final String displayName; | ||
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| private DaysOfWeekStrategy(String displayName) { | ||
| this.displayName = displayName; | ||
| } | ||
| } | ||
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| public static class DaysOfWeekShortNaming implements com.fasterxml.jackson.databind.EnumNamingStrategy { | ||
| @Override | ||
| public String convertEnumToExternalName(String enumName) { | ||
| return DaysOfWeekStrategy.valueOf(enumName).displayName; | ||
| } | ||
| } | ||
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| @Schema(name = "DaysOfWeek") | ||
| enum DaysOfWeekProperty { | ||
| @com.fasterxml.jackson.annotation.JsonProperty("Monday") | ||
| MONDAY, | ||
| @com.fasterxml.jackson.annotation.JsonProperty("Tuesday") | ||
| TUESDAY, | ||
| @com.fasterxml.jackson.annotation.JsonProperty("Wednesday") | ||
| WEDNESDAY, | ||
| @com.fasterxml.jackson.annotation.JsonProperty("Thursday") | ||
| THURSDAY, | ||
| @com.fasterxml.jackson.annotation.JsonProperty("Friday") | ||
| FRIDAY, | ||
| @com.fasterxml.jackson.annotation.JsonProperty("Saturday") | ||
| SATURDAY, | ||
| @com.fasterxml.jackson.annotation.JsonProperty("Sunday") | ||
| SUNDAY | ||
| } | ||
|
|
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| } |
19 changes: 19 additions & 0 deletions
19
...rc/test/resources/io/smallrye/openapi/runtime/scanner/components.schemas.enum-naming.json
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|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| { | ||
| "openapi" : "3.0.3", | ||
| "components" : { | ||
| "schemas" : { | ||
| "Bean" : { | ||
| "type" : "object", | ||
| "properties" : { | ||
| "days" : { | ||
| "$ref" : "#/components/schemas/DaysOfWeek" | ||
| } | ||
| } | ||
| }, | ||
| "DaysOfWeek" : { | ||
| "enum" : [ "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" ], | ||
| "type" : "string" | ||
| } | ||
| } | ||
| } | ||
| } |
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