polish

Remove unused imports

spring-web/src/main/java/org/springframework/http/client/Netty4ClientHttpRequestFactory.java

@@ -18,7 +18,6 @@ package org.springframework.http.client;
 
 import java.io.IOException;
 import java.net.URI;
-import java.net.URLConnection;
 import java.util.concurrent.TimeUnit;
 
 import io.netty.bootstrap.Bootstrap;

spring-web/src/main/java/org/springframework/http/client/SimpleBufferingClientHttpRequest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +26,6 @@ import java.util.Map;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.util.FileCopyUtils;
-import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 
 /**

spring-web/src/main/java/org/springframework/web/client/HttpMessageConverterExtractor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,7 +23,6 @@ import java.util.List;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
-import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.client.ClientHttpResponse;
 import org.springframework.http.converter.GenericHttpMessageConverter;

spring-web/src/main/java/org/springframework/web/util/UriUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,7 +18,6 @@ package org.springframework.web.util;
 
 import java.io.ByteArrayOutputStream;
 import java.io.UnsupportedEncodingException;
-import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.springframework.util.Assert;

spring-web/src/test/java/org/springframework/http/client/BufferedSimpleHttpRequestFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,12 +18,9 @@ package org.springframework.http.client;
 
 import static org.junit.Assert.assertEquals;
 
-import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.io.OutputStream;
 import java.net.HttpURLConnection;
 import java.net.ProtocolException;
-import java.net.URI;
 import java.net.URL;
 
 import org.junit.Test;

spring-web/src/test/java/org/springframework/http/converter/json/Jackson2ObjectMapperBuilderTests.java

@@ -60,7 +60,6 @@ import com.fasterxml.jackson.databind.ser.std.ClassSerializer;
 import com.fasterxml.jackson.databind.ser.std.NumberSerializer;
 import com.fasterxml.jackson.databind.type.SimpleType;
 import com.fasterxml.jackson.dataformat.xml.XmlMapper;
-import static org.hamcrest.Matchers.containsString;
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
 import org.junit.Test;

spring-web/src/test/java/org/springframework/http/converter/json/Jackson2ObjectMapperFactoryBeanTests.java

@@ -52,7 +52,6 @@ import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.databind.module.SimpleSerializers;
 import com.fasterxml.jackson.databind.ser.BasicSerializerFactory;
 import com.fasterxml.jackson.databind.ser.Serializers;
-import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter;
 import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
 import com.fasterxml.jackson.databind.ser.std.ClassSerializer;
 import com.fasterxml.jackson.databind.ser.std.NumberSerializer;

spring-web/src/test/java/org/springframework/http/converter/protobuf/ProtobufHttpMessageConverterTests.java

@@ -1,11 +1,11 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 the original author or authors.
  *
  * 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
+ *      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,
@@ -29,7 +29,6 @@ import org.springframework.protobuf.Msg;
 import org.springframework.protobuf.SecondMsg;
 
 import static org.junit.Assert.*;
-import static org.mockito.Matchers.anyObject;
 import static org.mockito.Mockito.*;
 
 

spring-web/src/test/java/org/springframework/web/filter/ShallowEtagHeaderFilterTests.java

@@ -17,11 +17,7 @@
 package org.springframework.web.filter;
 
 import java.io.ByteArrayInputStream;
-import java.io.IOException;
 import javax.servlet.FilterChain;
-import javax.servlet.ServletException;
-import javax.servlet.ServletRequest;
-import javax.servlet.ServletResponse;
 import javax.servlet.http.HttpServletResponse;
 
 import org.junit.Before;