liubao68 commented on a change in pull request #882: [SCB-206] Support setting
produces and consumes by @Api
URL:
https://github.com/apache/incubator-servicecomb-java-chassis/pull/882#discussion_r212156567
##########
File path:
swagger/swagger-generator/generator-core/src/main/java/org/apache/servicecomb/swagger/generator/core/processor/annotation/ApiProcessor.java
##########
@@ -17,18 +17,69 @@
package org.apache.servicecomb.swagger.generator.core.processor.annotation;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
import org.apache.servicecomb.swagger.generator.core.ClassAnnotationProcessor;
import org.apache.servicecomb.swagger.generator.core.SwaggerGenerator;
import org.springframework.util.StringUtils;
import io.swagger.annotations.Api;
+import io.swagger.models.Swagger;
public class ApiProcessor implements ClassAnnotationProcessor {
@Override
public void process(Object annotation, SwaggerGenerator swaggerGenerator) {
Api api = (Api) annotation;
setTags(api, swaggerGenerator);
+ // except for @Api, @RequestMapping can also set consumes and produces
+ // @RequestMapping takes HIGHER priority than @Api for legacy reason
+ processConsumes(api, swaggerGenerator.getSwagger());
+ processProduces(api, swaggerGenerator.getSwagger());
+ }
+
+ private void processProduces(Api api, Swagger swagger) {
+ List<String> validProducesList = getValidStringList(api.produces());
+ if (isBlank(swagger.getProduces()) && !validProducesList.isEmpty()) {
+ swagger.setProduces(validProducesList);
+ }
+ }
+
+ private void processConsumes(Api api, Swagger swagger) {
+ List<String> validConsumesList = getValidStringList(api.consumes());
+ if (isBlank(swagger.getConsumes()) && !validConsumesList.isEmpty()) {
+ swagger.setConsumes(validConsumesList);
+ }
+ }
+
+ /**
+ * Split {@link Api#consumes} and {@link Api#produces}, and filter empty
items.
+ */
+ private List<String> getValidStringList(String rawString) {
+ return Stream.of(rawString.split(","))
+ .filter(s -> !StringUtils.isEmpty(s))
+ .map(String::trim)
+ .collect(Collectors.toList());
+ }
+
+ /**
+ * @return true if {@code stringList} is empty or each element of {@code
stringList} is empty;
+ * otherwise false.
+ */
+ private boolean isBlank(List<String> stringList) {
+ boolean isEmpty = null == stringList || stringList.isEmpty();
+ if (isEmpty) {
+ return true;
+ }
+
+ for (String s : stringList) {
+ if (StringUtils.isEmpty(s)) {
Review comment:
seems s can never be empty
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