Update Feign code

demo04-invoking/services/book-api/src/main/java/org/bakingpie/book/client/ApiClient.java

@@ -1,71 +1,27 @@
 package org.bakingpie.book.client;
 
 import feign.Feign;
+import feign.Logger;
 import feign.slf4j.Slf4jLogger;
+import org.bakingpie.book.client.api.NumbersApi;
 
 import javax.annotation.Generated;
 
 @Generated(value = "io.swagger.codegen.languages.JavaClientCodegen")
+// tag::adocSnippet[]
 public class ApiClient {
+    // tag::adocSkip[]
     public interface Api {
     }
+    // end::adocSkip[]
 
     private String basePath = "http://localhost:8084/number-api/api";
-    private Feign.Builder feignBuilder;
 
-    public ApiClient() {
-        feignBuilder = Feign.builder()
-            .logger(new Slf4jLogger());
-    }
-
-    public ApiClient(String[] authNames) {
-        this();
-        for (String authName : authNames) {
-            throw new RuntimeException("auth name \"" + authName + "\" not found in available auth names");
-        }
-    }
-
-    /**
-     * Basic constructor for single auth name
-     *
-     * @param authName
-     */
-    public ApiClient(String authName) {
-        this(new String[]{authName});
-    }
-
-    public String getBasePath() {
-        return basePath;
-    }
-
-    public ApiClient setBasePath(String basePath) {
-        this.basePath = basePath;
-        return this;
-    }
-
-    public Feign.Builder getFeignBuilder() {
-        return feignBuilder;
-    }
-
-    public ApiClient setFeignBuilder(Feign.Builder feignBuilder) {
-        this.feignBuilder = feignBuilder;
-        return this;
-    }
-
-    /**
-     * Creates a feign client for given API interface.
-     * <p>
-     * Usage:
-     * ApiClient apiClient = new ApiClient();
-     * apiClient.setBasePath("http://localhost:8080");
-     * XYZApi api = apiClient.buildClient(XYZApi.class);
-     * XYZResponse response = api.someMethod(...);
-     *
-     * @param <T>         Type
-     * @param clientClass Client class
-     * @return The Client
-     */
-    public <T extends Api> T buildClient(Class<T> clientClass) {
-        return feignBuilder.target(clientClass, basePath);
+    public NumbersApi buildNumberApiClient() {
+        return Feign.builder()
+            .logger(new Slf4jLogger(NumbersApi.class))
+            .logLevel(Logger.Level.FULL)
+            .target(NumbersApi.class, basePath);
     }
 }
+// end::adocSnippet[]

demo04-invoking/services/book-api/src/main/java/org/bakingpie/book/client/api/NumbersApi.java

@@ -10,7 +10,7 @@
 @Generated(value = "io.swagger.codegen.languages.JavaClientCodegen")
 public interface NumbersApi extends ApiClient.Api {
 
-    @RequestLine("GET http://localhost:8084/number-api/api/numbers/book")
+    @RequestLine("GET /numbers/book")
     @Headers({"Content-Type: text/plain", "Accept: text/plain"})
     String generateBookNumber();
 }

demo04-invoking/services/book-api/src/main/java/org/bakingpie/book/rest/BookResource.java

@@ -94,10 +94,16 @@ public Response findAll() {
     })
     // tag::adocSnippet[]
     public Response create(@ApiParam(value = "Book to be created", required = true) Book book, @Context UriInfo uriInfo) {
+        // tag::adocSkip[]
         log.info("Creating the book " + book);
-        NumbersApi numberApi = new ApiClient().buildClient(NumbersApi.class);
+
+        log.info("Invoking the number-api");
+        // end::adocSkip[]
+
+        NumbersApi numberApi = new ApiClient().buildNumberApiClient();
         String isbn = numberApi.generateBookNumber();
         book.setIsbn(isbn);
+
         final Book created = bookRepository.create(book);
         URI createdURI = uriInfo.getBaseUriBuilder().path(String.valueOf(created.getId())).build();
         return Response.created(createdURI).build();