[java] Don't import oltu when not necessary (#3950)

Author: mwalser

modules/openapi-generator/src/main/resources/Java/libraries/feign/ApiClient.mustache

@@ -3,8 +3,11 @@ package {{invokerPackage}};
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+{{#hasOAuthMethods}}
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.AuthenticationRequestBuilder;
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.TokenRequestBuilder;
+{{/hasOAuthMethods}}
+
 {{#threetenbp}}
 import org.threeten.bp.*;
 {{/threetenbp}}

modules/openapi-generator/src/main/resources/Java/libraries/retrofit/ApiClient.mustache

@@ -7,8 +7,11 @@ import java.lang.reflect.Type;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+{{#hasOAuthMethods}}
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.AuthenticationRequestBuilder;
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.TokenRequestBuilder;
+{{/hasOAuthMethods}}
+
 import org.joda.time.DateTime;
 import org.joda.time.LocalDate;
 import org.joda.time.format.DateTimeFormatter;

modules/openapi-generator/src/main/resources/Java/libraries/retrofit2/ApiClient.mustache

@@ -7,8 +7,10 @@ import okhttp3.Interceptor;
 import okhttp3.OkHttpClient;
 import okhttp3.RequestBody;
 import okhttp3.ResponseBody;
+{{#hasOAuthMethods}}
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.AuthenticationRequestBuilder;
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.TokenRequestBuilder;
+{{/hasOAuthMethods}}
 {{#joda}}
 import org.joda.time.format.DateTimeFormatter;
 {{/joda}}

samples/client/petstore/java/feign/src/main/java/org/openapitools/client/ApiClient.java

@@ -5,6 +5,7 @@
 
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.AuthenticationRequestBuilder;
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.TokenRequestBuilder;
+
 import org.threeten.bp.*;
 
 import com.fasterxml.jackson.databind.DeserializationFeature;

samples/client/petstore/java/feign10x/src/main/java/org/openapitools/client/ApiClient.java

@@ -5,6 +5,7 @@
 
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.AuthenticationRequestBuilder;
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.TokenRequestBuilder;
+
 import org.threeten.bp.*;
 
 import com.fasterxml.jackson.databind.DeserializationFeature;

samples/client/petstore/java/retrofit/src/main/java/org/openapitools/client/ApiClient.java

@@ -9,6 +9,7 @@
 
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.AuthenticationRequestBuilder;
 import org.apache.oltu.oauth2.client.request.OAuthClientRequest.TokenRequestBuilder;
+
 import org.joda.time.DateTime;
 import org.joda.time.LocalDate;
 import org.joda.time.format.DateTimeFormatter;