Added Support spring property resolver for annotation. Fixes #347

Author: bnasslahsen

springdoc-openapi-common/src/main/java/org/springdoc/core/OpenAPIBuilder.java

@@ -194,7 +194,15 @@ private Optional<OpenAPIDefinition> getOpenAPIDefinition() {
 
     private void buildOpenAPIWithOpenAPIDefinition(OpenAPI openAPI, OpenAPIDefinition apiDef) {
         // info
-        AnnotationsUtils.getInfo(apiDef.info()).ifPresent(openAPI::setInfo);
+        Optional<Info> infos = AnnotationsUtils.getInfo(apiDef.info());
+        if (infos.isPresent()) {
+            Info info = infos.get();
+            if (StringUtils.isNotBlank(info.getTitle())) {
+                PropertyResolverUtils propertyResolverUtils = context.getBean(PropertyResolverUtils.class);
+                info.title(propertyResolverUtils.resolve(info.getTitle()));
+            }
+            openAPI.setInfo(info);
+        }
         // OpenApiDefinition security requirements
         securityParser.getSecurityRequirements(apiDef.security()).ifPresent(openAPI::setSecurity);
         // OpenApiDefinition external docs
@@ -203,9 +211,9 @@ private void buildOpenAPIWithOpenAPIDefinition(OpenAPI openAPI, OpenAPIDefinitio
         AnnotationsUtils.getTags(apiDef.tags(), false).ifPresent(tags -> openAPI.setTags(new ArrayList<>(tags)));
         // OpenApiDefinition servers
         Optional<List<Server>> optionalServers = AnnotationsUtils.getServers(apiDef.servers());
-        if(optionalServers.isPresent()){
+        if (optionalServers.isPresent()) {
             openAPI.setServers(optionalServers.get());
-            this.isServersPresent=true;
+            this.isServersPresent = true;
         }
         // OpenApiDefinition extensions
         if (apiDef.extensions().length > 0) {

springdoc-openapi-webmvc-core/src/test/java/test/org/springdoc/api/app15/SpringDocApp15Test.java

@@ -1,12 +1,15 @@
 package test.org.springdoc.api.app15;
 
+import io.swagger.v3.oas.annotations.OpenAPIDefinition;
+import io.swagger.v3.oas.annotations.info.Info;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.test.context.TestPropertySource;
 import test.org.springdoc.api.AbstractSpringDocTest;
 
-@TestPropertySource(properties = "springdoc.operation-descriptions.myOperation=My Desc")
+@TestPropertySource(properties = {"springdoc.operation-descriptions.myOperation=My Desc", "springdoc.openapidefinition.info.title=My title"})
 public class SpringDocApp15Test extends AbstractSpringDocTest {
 
     @SpringBootApplication
+    @OpenAPIDefinition(info = @Info(title = "${springdoc.openapidefinition.info.title}"))
     static class SpringDocTestApp { }
 }

springdoc-openapi-webmvc-core/src/test/resources/results/app15.json

@@ -1,8 +1,7 @@
 {
   "openapi": "3.0.1",
   "info": {
-    "title": "OpenAPI definition",
-    "version": "v0"
+    "title": "My title"
   },
   "servers": [
     {