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-rw-r--r--workflow-designer-be/src/main/java/org/onap/sdc/workflow/api/swagger/UserIdReader.java61
1 files changed, 61 insertions, 0 deletions
diff --git a/workflow-designer-be/src/main/java/org/onap/sdc/workflow/api/swagger/UserIdReader.java b/workflow-designer-be/src/main/java/org/onap/sdc/workflow/api/swagger/UserIdReader.java
new file mode 100644
index 00000000..d16c9407
--- /dev/null
+++ b/workflow-designer-be/src/main/java/org/onap/sdc/workflow/api/swagger/UserIdReader.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright © 2018 European Support Limited
+ *
+ * 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 org.onap.sdc.workflow.api.swagger;
+
+import static org.onap.sdc.workflow.api.RestParams.USER_ID_HEADER;
+
+import com.fasterxml.classmate.TypeResolver;
+import com.google.common.base.Optional;
+import org.onap.sdc.workflow.services.annotations.UserId;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+import springfox.documentation.service.ResolvedMethodParameter;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spi.service.ParameterBuilderPlugin;
+import springfox.documentation.spi.service.contexts.ParameterContext;
+import springfox.documentation.swagger.common.SwaggerPluginSupport;
+
+/**
+ * This component is neccesary because swagger cannot find a custom annotations in API.
+ * This is needed to find specifically the {@link UserId} annotation
+ */
+@Component
+@Order(SwaggerPluginSupport.SWAGGER_PLUGIN_ORDER + 1000)
+public class UserIdReader implements ParameterBuilderPlugin {
+
+ private static final String HEADER = "header";
+ private final TypeResolver resolver;
+
+ public UserIdReader(TypeResolver resolver) {
+ this.resolver = resolver;
+ }
+
+ @Override
+ public void apply(ParameterContext parameterContext) {
+ ResolvedMethodParameter methodParameter = parameterContext.resolvedMethodParameter();
+ Optional<UserId> requestParam = methodParameter.findAnnotation(UserId.class);
+ if (requestParam.isPresent()) {
+ parameterContext.parameterBuilder().parameterType(HEADER).name(USER_ID_HEADER)
+ .type(resolver.resolve(String.class));
+ }
+ }
+
+ @Override
+ public boolean supports(DocumentationType documentationType) {
+ return true;
+ }
+}