[fineract-cn-api] 14/44: Added interceptor to set content length if no body is given

[ju...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

juhan pushed a commit to branch spring_boot_2
in repository https://gitbox.apache.org/repos/asf/fineract-cn-api.git

commit f84927be951b6277efb9c33c24372e48bd970c52
Author: mgeiss <mg...@mifos.org>
AuthorDate: Wed Sep 27 07:31:27 2017 +0200

    Added interceptor to set content length if no body is given
---
 .../java/io/mifos/core/api/util/ApiFactory.java    |  2 ++
 .../mifos/core/api/util/EmptyBodyInterceptor.java  | 42 ++++++++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/src/main/java/io/mifos/core/api/util/ApiFactory.java b/src/main/java/io/mifos/core/api/util/ApiFactory.java
index a2535c1..df67d44 100644
--- a/src/main/java/io/mifos/core/api/util/ApiFactory.java
+++ b/src/main/java/io/mifos/core/api/util/ApiFactory.java
@@ -47,6 +47,7 @@ public class ApiFactory {
         .errorDecoder(new AnnotatedErrorDecoder(logger, clazz))
         .requestInterceptor(new TenantedTargetInterceptor())
         .requestInterceptor(new TokenedTargetInterceptor())
+        .requestInterceptor(new EmptyBodyInterceptor())
         .requestInterceptor(client.getCookieInterceptor())
         .decoder(new GsonDecoder())
         .encoder(new GsonEncoder())
@@ -61,6 +62,7 @@ public class ApiFactory {
             .errorDecoder(new AnnotatedErrorDecoder(logger, clazz))
             .requestInterceptor(new TenantedTargetInterceptor())
             .requestInterceptor(new TokenedTargetInterceptor())
+            .requestInterceptor(new EmptyBodyInterceptor())
             .requestInterceptor(client.getCookieInterceptor())
             .decoder(new GsonDecoder())
             .encoder(new GsonEncoder())
diff --git a/src/main/java/io/mifos/core/api/util/EmptyBodyInterceptor.java b/src/main/java/io/mifos/core/api/util/EmptyBodyInterceptor.java
new file mode 100644
index 0000000..dbfd105
--- /dev/null
+++ b/src/main/java/io/mifos/core/api/util/EmptyBodyInterceptor.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2017 The Mifos Initiative.
+ *
+ * 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 io.mifos.core.api.util;
+
+import feign.RequestInterceptor;
+import feign.RequestTemplate;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import java.nio.charset.Charset;
+
+/**
+ * Sets the content length of a request to zero if the request is of type POST or PUT, and contains
+ * no request body.
+ */
+public class EmptyBodyInterceptor implements RequestInterceptor {
+
+  EmptyBodyInterceptor() {
+    super();
+  }
+
+  @Override
+  public void apply(final RequestTemplate template) {
+    if ((template.method().equalsIgnoreCase(RequestMethod.POST.name())
+        || template.method().equalsIgnoreCase(RequestMethod.PUT.name()))
+        && template.body() == null) {
+      template.body(new byte[0], Charset.defaultCharset());
+    }
+  }
+}