upgrade to feign 8.1.0

pom.xml

@@ -24,7 +24,7 @@
 		<main.basedir>${basedir}</main.basedir>
 		<archaius.version>0.6.5</archaius.version>
 		<eureka.version>1.1.147</eureka.version>
-		<feign.version>7.3.0</feign.version>
+		<feign.version>8.1.0</feign.version>
 		<hystrix.version>1.4.0</hystrix.version>
 		<ribbon.version>2.0.0</ribbon.version>
 		<zuul.version>1.0.28</zuul.version>
@@ -186,12 +186,6 @@
 					</exclusion>
 				</exclusions>
 			</dependency>
-			<!-- TODO: remove with feign 8.0.0 -->
-			<dependency>
-				<groupId>com.squareup.dagger</groupId>
-				<artifactId>dagger</artifactId>
-				<version>1.2.2</version>
-			</dependency>
 			<dependency>
 				<groupId>com.netflix.feign</groupId>
 				<artifactId>feign-slf4j</artifactId>

spring-cloud-netflix-core/pom.xml

@@ -87,11 +87,6 @@
 			<optional>true</optional>
 		</dependency>
 		<dependency>
-			<groupId>com.squareup.dagger</groupId>
-			<artifactId>dagger</artifactId>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
 			<groupId>com.netflix.hystrix</groupId>
 			<artifactId>hystrix-core</artifactId>
 			<optional>true</optional>

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/feign/support/SpringDecoder.java

@@ -16,13 +16,14 @@
 
 package org.springframework.cloud.netflix.feign.support;
 
+import static org.springframework.cloud.netflix.feign.support.FeignUtils.getHttpHeaders;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
 
-import javax.inject.Provider;
-
+import org.springframework.beans.factory.ObjectFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.web.HttpMessageConverters;
 import org.springframework.http.HttpHeaders;
@@ -30,8 +31,6 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.client.ClientHttpResponse;
 import org.springframework.web.client.HttpMessageConverterExtractor;
 
-import static org.springframework.cloud.netflix.feign.support.FeignUtils.getHttpHeaders;
-
 import feign.FeignException;
 import feign.Response;
 import feign.codec.DecodeException;
@@ -43,7 +42,7 @@ import feign.codec.Decoder;
 public class SpringDecoder implements Decoder {
 
 	@Autowired
-	private Provider<HttpMessageConverters> messageConverters;
+	private ObjectFactory<HttpMessageConverters> messageConverters;
 
 	public SpringDecoder() {
 	}
@@ -54,7 +53,7 @@ public class SpringDecoder implements Decoder {
 		if (type instanceof Class || type instanceof ParameterizedType) {
 			@SuppressWarnings({ "unchecked", "rawtypes" })
 			HttpMessageConverterExtractor<?> extractor = new HttpMessageConverterExtractor(
-					type, this.messageConverters.get().getConverters());
+					type, this.messageConverters.getObject().getConverters());
 
 			return extractor.extractData(new FeignResponseAdapter(response));
 		}

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/feign/support/SpringEncoder.java

@@ -16,16 +16,18 @@
 
 package org.springframework.cloud.netflix.feign.support;
 
+import static org.springframework.cloud.netflix.feign.support.FeignUtils.getHttpHeaders;
+
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.lang.reflect.Type;
 import java.nio.charset.Charset;
 import java.util.Collection;
 
-import javax.inject.Provider;
-
 import lombok.extern.apachecommons.CommonsLog;
 
+import org.springframework.beans.factory.ObjectFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.autoconfigure.web.HttpMessageConverters;
 import org.springframework.http.HttpHeaders;
@@ -37,8 +39,6 @@ import feign.RequestTemplate;
 import feign.codec.EncodeException;
 import feign.codec.Encoder;
 
-import static org.springframework.cloud.netflix.feign.support.FeignUtils.getHttpHeaders;
-
 /**
  * @author Spencer Gibb
  */
@@ -46,10 +46,10 @@ import static org.springframework.cloud.netflix.feign.support.FeignUtils.getHttp
 public class SpringEncoder implements Encoder {
 
 	@Autowired
-	private Provider<HttpMessageConverters> messageConverters;
+	private ObjectFactory<HttpMessageConverters> messageConverters;
 
 	@Override
-	public void encode(Object requestBody, RequestTemplate request)
+	public void encode(Object requestBody, Type bodyType, RequestTemplate request)
 			throws EncodeException {
 		// template.body(conversionService.convert(object, String.class));
 		if (requestBody != null) {
@@ -62,8 +62,8 @@ public class SpringEncoder implements Encoder {
 				requestContentType = MediaType.valueOf(type);
 			}
 
-			for (HttpMessageConverter<?> messageConverter : this.messageConverters.get()
-					.getConverters()) {
+			for (HttpMessageConverter<?> messageConverter : this.messageConverters
+					.getObject().getConverters()) {
 				if (messageConverter.canWrite(requestType, requestContentType)) {
 					if (log.isDebugEnabled()) {
 						if (requestContentType != null) {