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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) [2018-2023] Payara Foundation and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/main/LICENSE.txt
* See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* The Payara Foundation designates this particular file as subject to the "Classpath"
* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
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* If you wish your version of this file to be governed by only the CDDL or
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* elects to include this software in this distribution under the [CDDL or GPL
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* recipient has the option to distribute your version of this file under
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* its licensees as provided above. However, if you add GPL Version 2 code
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package fish.payara.microprofile.openapi.impl.visitor;
import fish.payara.microprofile.openapi.api.visitor.ApiVisitor;
import fish.payara.microprofile.openapi.api.visitor.ApiVisitor.VisitorFunction;
import fish.payara.microprofile.openapi.api.visitor.ApiWalker;
import fish.payara.microprofile.openapi.impl.model.ExtensibleImpl;
import fish.payara.microprofile.openapi.impl.model.media.SchemaImpl;
import java.lang.annotation.Annotation;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import jakarta.ws.rs.Consumes;
import jakarta.ws.rs.CookieParam;
import jakarta.ws.rs.DELETE;
import jakarta.ws.rs.FormParam;
import jakarta.ws.rs.GET;
import jakarta.ws.rs.HEAD;
import jakarta.ws.rs.HeaderParam;
import jakarta.ws.rs.OPTIONS;
import jakarta.ws.rs.PATCH;
import jakarta.ws.rs.POST;
import jakarta.ws.rs.PUT;
import jakarta.ws.rs.Path;
import jakarta.ws.rs.PathParam;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.QueryParam;
import jakarta.xml.bind.annotation.XmlRootElement;
import java.util.ArrayList;
import static java.util.Collections.singletonList;
import java.util.List;
import org.eclipse.microprofile.openapi.annotations.ExternalDocumentation;
import org.eclipse.microprofile.openapi.annotations.OpenAPIDefinition;
import org.eclipse.microprofile.openapi.annotations.Operation;
import org.eclipse.microprofile.openapi.annotations.callbacks.Callback;
import org.eclipse.microprofile.openapi.annotations.callbacks.Callbacks;
import org.eclipse.microprofile.openapi.annotations.extensions.Extension;
import org.eclipse.microprofile.openapi.annotations.extensions.Extensions;
import org.eclipse.microprofile.openapi.annotations.media.Schema;
import org.eclipse.microprofile.openapi.annotations.parameters.Parameter;
import org.eclipse.microprofile.openapi.annotations.parameters.Parameters;
import org.eclipse.microprofile.openapi.annotations.parameters.RequestBody;
import org.eclipse.microprofile.openapi.annotations.parameters.RequestBodySchema;
import org.eclipse.microprofile.openapi.annotations.responses.APIResponse;
import org.eclipse.microprofile.openapi.annotations.responses.APIResponseSchema;
import org.eclipse.microprofile.openapi.annotations.responses.APIResponses;
import org.eclipse.microprofile.openapi.annotations.security.SecurityRequirement;
import org.eclipse.microprofile.openapi.annotations.security.SecurityRequirements;
import org.eclipse.microprofile.openapi.annotations.security.SecurityRequirementsSet;
import org.eclipse.microprofile.openapi.annotations.security.SecurityRequirementsSets;
import org.eclipse.microprofile.openapi.annotations.security.SecurityScheme;
import org.eclipse.microprofile.openapi.annotations.security.SecuritySchemes;
import org.eclipse.microprofile.openapi.annotations.servers.Server;
import org.eclipse.microprofile.openapi.annotations.servers.Servers;
import org.eclipse.microprofile.openapi.annotations.tags.Tag;
import org.eclipse.microprofile.openapi.annotations.tags.Tags;
import org.eclipse.microprofile.openapi.models.OpenAPI;
import org.eclipse.microprofile.openapi.models.PathItem;
import org.glassfish.hk2.classmodel.reflect.AnnotatedElement;
import org.glassfish.hk2.classmodel.reflect.AnnotationModel;
import org.glassfish.hk2.classmodel.reflect.ClassModel;
import org.glassfish.hk2.classmodel.reflect.FieldModel;
import org.glassfish.hk2.classmodel.reflect.MethodModel;
import org.glassfish.hk2.classmodel.reflect.Type;
/**
* A walker that visits each filtered class type & it's members, scans for
* OpenAPI annotations and passes it to the visitor.
*/
public class OpenApiWalker implements ApiWalker {
private final Set allowedTypes;
private final OpenApiContext context;
private Map, VisitorFunction> annotationVisitor;
private Map, List>> annotationAlternatives;
public OpenApiWalker(OpenAPI api, Map allTypes, Set allowedTypes, ClassLoader appClassLoader) {
this.allowedTypes = new TreeSet<>(Comparator.comparing(Type::getName, String::compareTo));
this.allowedTypes.addAll(allowedTypes);
this.context = new OpenApiContext(allTypes, this.allowedTypes, appClassLoader, api);
}
@Override
public void accept(ApiVisitor visitor) {
for (Type type : allowedTypes) {
if (type instanceof ClassModel) {
processAnnotation((ClassModel) type, visitor);
}
}
syncSchemas();
}
@SuppressWarnings("unchecked")
public final void processAnnotation(ClassModel annotatedClass, ApiVisitor visitor) {
AnnotationInfo annotations = context.getAnnotationInfo(annotatedClass);
processAnnotation((E) annotatedClass, annotations, visitor, new OpenApiContext(context, annotatedClass));
for (final MethodModel method : annotatedClass.getMethods()) {
processAnnotation((E) method, annotations, visitor, new OpenApiContext(context, method));
}
for (final FieldModel field : annotatedClass.getFields()) {
processAnnotation((E) field, annotations, visitor, new OpenApiContext(context, field));
}
for (final MethodModel method : annotatedClass.getMethods()) {
for (org.glassfish.hk2.classmodel.reflect.Parameter parameter : method.getParameters()) {
processAnnotation((E) parameter, annotations, visitor, new OpenApiContext(context, method));
}
}
}
private void processAnnotation(E element, AnnotationInfo annotations, ApiVisitor visitor, OpenApiContext context) {
for (Class annotationClass : getAnnotationVisitor(visitor).keySet()) {
VisitorFunction annotationFunction = getAnnotationVisitor(visitor).get(annotationClass);
List> alternatives = getAnnotationAlternatives().get(annotationClass);
// If it's just the one annotation class
// Check the element
if (annotations.isAnnotationPresent(annotationClass, element)) {
if (element instanceof FieldModel
&& (annotationClass == HeaderParam.class
|| annotationClass == CookieParam.class
|| annotationClass == PathParam.class
|| annotationClass == QueryParam.class)) {
FieldModel field = (FieldModel) element;
// NB. if fields are annotated as Param all methods have it
for (MethodModel method : field.getDeclaringType().getMethods()) {
OpenApiContext methodContext = new OpenApiContext(context, method);
if (methodContext.getWorkingOperation() != null) {
annotationFunction.apply(annotations.getAnnotation(annotationClass, element), element, methodContext);
}
}
} else {
// if annotation requires merging from both class and method (like APIResponse(s) does, call class first
if (element instanceof MethodModel && (annotationClass == APIResponse.class || annotationClass == APIResponses.class)) {
if (annotations.isAnnotationPresent(annotationClass)) {
annotationFunction.apply(annotations.getAnnotation(annotationClass), element, context);
}
}
// process the annotation by its function
annotationFunction.apply(annotations.getAnnotation(annotationClass, element), element, context);
}
} else if (element instanceof MethodModel && annotations.isAnnotationPresent(annotationClass)) {
boolean process = true;
if (alternatives != null) {
for (Class alternative : alternatives) {
if (annotations.isAnnotationPresent(alternative, element)) {
process = false;
break;
}
}
}
// If the method isn't annotated, inherit the class annotation
if (process && context.getPath() != null) {
annotationFunction.apply(annotations.getAnnotation(annotationClass), element, context);
}
}
}
// at the end, propagate @Extension defined on method to the @APIResponses (see javadoc of propagateExtension).
if (element instanceof MethodModel && annotations.isAnnotationPresent(Extension.class, element)) {
OpenApiContext methodContext = new OpenApiContext(context, element);
propagateExtension(methodContext);
}
}
/**
* Propagate @Extension from method-level down to @APIResponses as required
* by MP OpenApi TCK (testExtensionPlacement,
*
* vr.body(opPath + ".responses.'503'", hasEntry(equalTo(X_OPERATION_EXT),
* equalTo(TEST_OPERATION_EXT)));
*
*
* This is nonsense, when this test will be removed, remove also this
* method!
*/
private void propagateExtension(OpenApiContext methodContext) {
for (org.eclipse.microprofile.openapi.models.responses.APIResponse apiResponse : methodContext.getWorkingOperation().getResponses().getAPIResponses().values()) {
if (apiResponse.getExtensions() == null) {
// only if empty
ExtensibleImpl.merge(methodContext.getWorkingOperation(), apiResponse, true);
}
}
}
private Map, VisitorFunction> getAnnotationVisitor(ApiVisitor visitor) {
if (annotationVisitor == null) {
annotationVisitor = new LinkedHashMap<>();
// OpenAPI necessary annotations
annotationVisitor.put(OpenAPIDefinition.class, visitor::visitOpenAPI);
// JAX-RS methods
annotationVisitor.put(GET.class, (annot, element, con) -> visitor.visitGET(annot, (MethodModel) element, con));
annotationVisitor.put(POST.class, (annot, element, con) -> visitor.visitPOST(annot, (MethodModel) element, con));
annotationVisitor.put(PUT.class, (annot, element, con) -> visitor.visitPUT(annot, (MethodModel) element, con));
annotationVisitor.put(DELETE.class, (annot, element, con) -> visitor.visitDELETE(annot, (MethodModel) element, con));
annotationVisitor.put(HEAD.class, (annot, element, con) -> visitor.visitHEAD(annot, (MethodModel) element, con));
annotationVisitor.put(OPTIONS.class, (annot, element, con) -> visitor.visitOPTIONS(annot, (MethodModel) element, con));
annotationVisitor.put(PATCH.class, (annot, element, con) -> visitor.visitPATCH(annot, (MethodModel) element, con));
annotationVisitor.put(Path.class, (annot, element, con) -> {
if (element instanceof MethodModel && element.getAnnotations().size() == 1) {
AnnotationModel annotationModel = element.getAnnotations().iterator().next();
if ("Path".equals(annotationModel.getType().getSimpleName())) {
visitor.visitGET(annot, (MethodModel) element, con);
}
}
});
// JAX-RS parameters
annotationVisitor.put(QueryParam.class, visitor::visitQueryParam);
annotationVisitor.put(PathParam.class, visitor::visitPathParam);
annotationVisitor.put(HeaderParam.class, visitor::visitHeaderParam);
annotationVisitor.put(CookieParam.class, visitor::visitCookieParam);
annotationVisitor.put(FormParam.class, visitor::visitFormParam);
// Visit Schema objects
annotationVisitor.put(Schema.class, visitor::visitSchema);
annotationVisitor.put(XmlRootElement.class, visitor::visitSchema);
// All other OpenAPI annotations
annotationVisitor.put(Server.class, visitor::visitServer);
annotationVisitor.put(Servers.class, visitor::visitServers);
annotationVisitor.put(Extensions.class, visitor::visitExtensions);
annotationVisitor.put(Extension.class, visitor::visitExtension);
annotationVisitor.put(Operation.class, visitor::visitOperation);
annotationVisitor.put(Callback.class, visitor::visitCallback);
annotationVisitor.put(Callbacks.class, visitor::visitCallbacks);
annotationVisitor.put(APIResponse.class, visitor::visitAPIResponse);
annotationVisitor.put(APIResponses.class, visitor::visitAPIResponses);
annotationVisitor.put(APIResponseSchema.class, visitor::visitAPIResponseSchema);
annotationVisitor.put(Parameters.class, visitor::visitParameters);
annotationVisitor.put(Parameter.class, visitor::visitParameter);
annotationVisitor.put(ExternalDocumentation.class, visitor::visitExternalDocumentation);
annotationVisitor.put(Tag.class, visitor::visitTag);
annotationVisitor.put(Tags.class, visitor::visitTags);
annotationVisitor.put(SecurityScheme.class, visitor::visitSecurityScheme);
annotationVisitor.put(SecuritySchemes.class, visitor::visitSecuritySchemes);
annotationVisitor.put(SecurityRequirement.class, visitor::visitSecurityRequirement);
annotationVisitor.put(SecurityRequirements.class, visitor::visitSecurityRequirements);
annotationVisitor.put(SecurityRequirementsSet.class, visitor::visitSecurityRequirementSet);
annotationVisitor.put(SecurityRequirementsSets.class, visitor::visitSecurityRequirementSets);
// JAX-RS response
annotationVisitor.put(Produces.class, visitor::visitProduces);
annotationVisitor.put(Consumes.class, visitor::visitConsumes);
// OpenAPI response
annotationVisitor.put(RequestBody.class, visitor::visitRequestBody);
annotationVisitor.put(RequestBodySchema.class, visitor::visitRequestBodySchema);
}
return annotationVisitor;
}
private Map, List>> getAnnotationAlternatives() {
if (annotationAlternatives == null) {
annotationAlternatives = new HashMap<>();
annotationAlternatives.put(Server.class, singletonList(Servers.class));
annotationAlternatives.put(Servers.class, singletonList(Server.class));
annotationAlternatives.put(Extensions.class, singletonList(Extension.class));
annotationAlternatives.put(Extension.class, singletonList(Extensions.class));
annotationAlternatives.put(Callback.class, singletonList(Callbacks.class));
annotationAlternatives.put(Callbacks.class, singletonList(Callback.class));
annotationAlternatives.put(APIResponse.class, singletonList(APIResponses.class));
annotationAlternatives.put(APIResponses.class, singletonList(APIResponse.class));
annotationAlternatives.put(Parameters.class, singletonList(Parameter.class));
annotationAlternatives.put(Parameter.class, singletonList(Parameters.class));
annotationAlternatives.put(Tag.class, singletonList(Tags.class));
annotationAlternatives.put(Tags.class, singletonList(Tag.class));
annotationAlternatives.put(SecurityScheme.class, singletonList(SecuritySchemes.class));
annotationAlternatives.put(SecuritySchemes.class, singletonList(SecurityScheme.class));
annotationAlternatives.put(SecurityRequirement.class, new ArrayList<>() {
{
add(SecurityRequirements.class);
add(SecurityRequirementsSet.class);
add(SecurityRequirementsSets.class);
}
});
annotationAlternatives.put(SecurityRequirements.class, new ArrayList<>() {
{
add(SecurityRequirement.class);
add(SecurityRequirementsSet.class);
add(SecurityRequirementsSets.class);
}
});
annotationAlternatives.put(SecurityRequirementsSet.class, new ArrayList<>() {
{
add(SecurityRequirement.class);
add(SecurityRequirements.class);
add(SecurityRequirementsSets.class);
}
});
annotationAlternatives.put(SecurityRequirementsSets.class, new ArrayList<>() {
{
add(SecurityRequirement.class);
add(SecurityRequirements.class);
add(SecurityRequirementsSet.class);
}
});
}
return annotationAlternatives;
}
private void syncSchemas() {
OpenAPI api = context.getApi();
for (Map.Entry schemaEntry : context.getApi().getComponents().getSchemas().entrySet()) {
if (schemaEntry.getValue() != null && schemaEntry.getValue().getProperties() != null) {
for (Map.Entry propSchemaEntry : schemaEntry.getValue().getProperties().entrySet()) {
if (propSchemaEntry.getValue() instanceof SchemaImpl) {
SchemaImpl schemaImpl = (SchemaImpl) propSchemaEntry.getValue();
if (schemaImpl.getImplementation() != null) {
String[] implQualified = schemaImpl.getImplementation().split("\\.");
org.eclipse.microprofile.openapi.models.media.Schema from = context.getApi().getComponents().getSchemas().get(implQualified[implQualified.length - 1]);
SchemaImpl.merge(from, schemaImpl, false, context);
}
}
}
}
}
api.getPaths().getPathItems().forEach((String s, PathItem t) -> {
t.getOperations().forEach((PathItem.HttpMethod u, org.eclipse.microprofile.openapi.models.Operation v) -> {
v.getResponses().getAPIResponses().forEach((String w, org.eclipse.microprofile.openapi.models.responses.APIResponse x) -> {
if (x.getContent() != null) {
x.getContent().getMediaTypes().forEach((y, z) -> {
if (z.getSchema() instanceof SchemaImpl) {
SchemaImpl toschema = (SchemaImpl) z.getSchema();
if (toschema.getImplementation() != null) {
String[] implQualified = toschema.getImplementation().split("\\.");
String schemaClassName = implQualified[implQualified.length - 1];
if (schemaClassName.contains("$")) {
schemaClassName = schemaClassName.substring(schemaClassName.indexOf("$") + 1);
}
org.eclipse.microprofile.openapi.models.media.Schema from = context.getApi().getComponents().getSchemas().get(schemaClassName);
if (from != null) {
SchemaImpl.merge(from, toschema, false, context);
} else {
for (org.eclipse.microprofile.openapi.models.media.Schema fromSchema : context.getApi().getComponents().getSchemas().values()) {
if(fromSchema instanceof SchemaImpl) {
SchemaImpl fromSchemaImpl = (SchemaImpl) fromSchema;
if (fromSchemaImpl.getImplementation() != null
&& fromSchemaImpl.getImplementation().equals(toschema.getImplementation())) {
SchemaImpl.merge(fromSchemaImpl, toschema, false, context);
break;
}
}
}
}
}
}
});
}
});
});
});
}
}
