Polish

spring-webflux/src/test/java/org/springframework/web/reactive/result/condition/ProducesRequestConditionTests.java

@@ -117,7 +117,8 @@ public class ProducesRequestConditionTests {
 		ProducesRequestCondition xml = new ProducesRequestCondition("application/xml");
 		ProducesRequestCondition none = new ProducesRequestCondition();
 
-		MockServerWebExchange exchange = MockServerWebExchange.from(get("/").header("Accept", "application/xml, text/html"));
+		MockServerWebExchange exchange = MockServerWebExchange.from(get("/")
+				.header("Accept", "application/xml, text/html"));
 
 		assertTrue(html.compareTo(xml, exchange) > 0);
 		assertTrue(xml.compareTo(html, exchange) < 0);
@@ -135,8 +136,8 @@ public class ProducesRequestConditionTests {
 		exchange = MockServerWebExchange.from(
 				get("/").header("Accept", "application/pdf"));
 
-		assertTrue(html.compareTo(xml, exchange) == 0);
-		assertTrue(xml.compareTo(html, exchange) == 0);
+		assertEquals(0, html.compareTo(xml, exchange));
+		assertEquals(0, xml.compareTo(html, exchange));
 
 		// See SPR-7000
 		exchange = MockServerWebExchange.from(

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/condition/ConsumesRequestCondition.java

@@ -227,7 +227,7 @@ public final class ConsumesRequestCondition extends AbstractRequestCondition<Con
 
 		public final boolean match(MediaType contentType) {
 			boolean match = getMediaType().includes(contentType);
-			return (!isNegated() ? match : !match);
+			return !isNegated() == match;
 		}
 	}
 

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/condition/ProducesRequestCondition.java

@@ -317,7 +317,7 @@ public final class ProducesRequestCondition extends AbstractRequestCondition<Pro
 
 		public final boolean match(List<MediaType> acceptedMediaTypes) {
 			boolean match = matchMediaType(acceptedMediaTypes);
-			return (!isNegated() ? match : !match);
+			return !isNegated() == match;
 		}
 
 		private boolean matchMediaType(List<MediaType> acceptedMediaTypes) {

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/condition/ProducesRequestConditionTests.java

@@ -16,8 +16,10 @@
 
 package org.springframework.web.servlet.mvc.condition;
 
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
+import javax.servlet.http.HttpServletRequest;
 
 import org.junit.Test;
 
@@ -37,9 +39,7 @@ public class ProducesRequestConditionTests {
 	@Test
 	public void match() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("text/plain");
-
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/plain");
+		HttpServletRequest request = createRequest("text/plain");
 
 		assertNotNull(condition.getMatchingCondition(request));
 	}
@@ -47,9 +47,7 @@ public class ProducesRequestConditionTests {
 	@Test
 	public void matchNegated() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("!text/plain");
-
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/plain");
+		HttpServletRequest request = createRequest("text/plain");
 
 		assertNull(condition.getMatchingCondition(request));
 	}
@@ -57,9 +55,8 @@ public class ProducesRequestConditionTests {
 	@Test
 	public void matchNegatedWithoutAcceptHeader() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("!text/plain");
-		MockHttpServletRequest request = new MockHttpServletRequest();
 
-		assertNotNull(condition.getMatchingCondition(request));
+		assertNotNull(condition.getMatchingCondition(new MockHttpServletRequest()));
 		assertEquals(Collections.emptySet(), condition.getProducibleMediaTypes());
 	}
 
@@ -72,9 +69,7 @@ public class ProducesRequestConditionTests {
 	@Test
 	public void matchWildcard() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("text/*");
-
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/plain");
+		HttpServletRequest request = createRequest("text/plain");
 
 		assertNotNull(condition.getMatchingCondition(request));
 	}
@@ -82,9 +77,7 @@ public class ProducesRequestConditionTests {
 	@Test
 	public void matchMultiple() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("text/plain", "application/xml");
-
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/plain");
+		HttpServletRequest request = createRequest("text/plain");
 
 		assertNotNull(condition.getMatchingCondition(request));
 	}
@@ -92,9 +85,7 @@ public class ProducesRequestConditionTests {
 	@Test
 	public void matchSingle() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("text/plain");
-
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "application/xml");
+		HttpServletRequest request = createRequest("application/xml");
 
 		assertNull(condition.getMatchingCondition(request));
 	}
@@ -102,9 +93,7 @@ public class ProducesRequestConditionTests {
 	@Test
 	public void matchParseError() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("text/plain");
-
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "bogus");
+		HttpServletRequest request = createRequest("bogus");
 
 		assertNull(condition.getMatchingCondition(request));
 	}
@@ -112,18 +101,17 @@ public class ProducesRequestConditionTests {
 	@Test
 	public void matchParseErrorWithNegation() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("!text/plain");
-
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "bogus");
+		HttpServletRequest request = createRequest("bogus");
 
 		assertNull(condition.getMatchingCondition(request));
 	}
 
 	@Test
 	public void matchByRequestParameter() {
-		ProducesRequestCondition condition = new ProducesRequestCondition(new String[] {"text/plain"}, new String[] {});
-
-		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/foo.txt");
+		String[] produces = {"text/plain"};
+		String[] headers = {};
+		ProducesRequestCondition condition = new ProducesRequestCondition(produces, headers);
+		HttpServletRequest request = new MockHttpServletRequest("GET", "/foo.txt");
 
 		assertNotNull(condition.getMatchingCondition(request));
 	}
@@ -131,9 +119,7 @@ public class ProducesRequestConditionTests {
 	@Test // SPR-17550
 	public void matchWithNegationAndMediaTypeAllWithQualityParameter() {
 		ProducesRequestCondition condition = new ProducesRequestCondition("!application/json");
-
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept",
+		HttpServletRequest request = createRequest(
 				"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8");
 
 		assertNotNull(condition.getMatchingCondition(request));
@@ -145,8 +131,7 @@ public class ProducesRequestConditionTests {
 		ProducesRequestCondition xml = new ProducesRequestCondition("application/xml");
 		ProducesRequestCondition none = new ProducesRequestCondition();
 
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "application/xml, text/html");
+		HttpServletRequest request = createRequest("application/xml, text/html");
 
 		assertTrue(html.compareTo(xml, request) > 0);
 		assertTrue(xml.compareTo(html, request) < 0);
@@ -155,21 +140,18 @@ public class ProducesRequestConditionTests {
 		assertTrue(html.compareTo(none, request) < 0);
 		assertTrue(none.compareTo(html, request) > 0);
 
-		request = new MockHttpServletRequest();
-		request.addHeader("Accept", "application/xml, text/*");
+		request = createRequest("application/xml, text/*");
 
 		assertTrue(html.compareTo(xml, request) > 0);
 		assertTrue(xml.compareTo(html, request) < 0);
 
-		request = new MockHttpServletRequest();
-		request.addHeader("Accept", "application/pdf");
+		request = createRequest("application/pdf");
 
-		assertTrue(html.compareTo(xml, request) == 0);
-		assertTrue(xml.compareTo(html, request) == 0);
+		assertEquals(0, html.compareTo(xml, request));
+		assertEquals(0, xml.compareTo(html, request));
 
 		// See SPR-7000
-		request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/html;q=0.9,application/xml");
+		request = createRequest("text/html;q=0.9,application/xml");
 
 		assertTrue(html.compareTo(xml, request) > 0);
 		assertTrue(xml.compareTo(html, request) < 0);
@@ -177,8 +159,7 @@ public class ProducesRequestConditionTests {
 
 	@Test
 	public void compareToWithSingleExpression() {
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/plain");
+		HttpServletRequest request = createRequest("text/plain");
 
 		ProducesRequestCondition condition1 = new ProducesRequestCondition("text/plain");
 		ProducesRequestCondition condition2 = new ProducesRequestCondition("text/*");
@@ -195,8 +176,7 @@ public class ProducesRequestConditionTests {
 		ProducesRequestCondition condition1 = new ProducesRequestCondition("*/*", "text/plain");
 		ProducesRequestCondition condition2 = new ProducesRequestCondition("text/*", "text/plain;q=0.7");
 
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/plain");
+		HttpServletRequest request = createRequest("text/plain");
 
 		int result = condition1.compareTo(condition2, request);
 		assertTrue("Invalid comparison result: " + result, result < 0);
@@ -210,9 +190,7 @@ public class ProducesRequestConditionTests {
 		ProducesRequestCondition condition1 = new ProducesRequestCondition("text/*", "text/plain");
 		ProducesRequestCondition condition2 = new ProducesRequestCondition("application/*", "application/xml");
 
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/plain");
-		request.addHeader("Accept", "application/xml");
+		HttpServletRequest request = createRequest("text/plain", "application/xml");
 
 		int result = condition1.compareTo(condition2, request);
 		assertTrue("Invalid comparison result: " + result, result < 0);
@@ -220,9 +198,7 @@ public class ProducesRequestConditionTests {
 		result = condition2.compareTo(condition1, request);
 		assertTrue("Invalid comparison result: " + result, result > 0);
 
-		request = new MockHttpServletRequest();
-		request.addHeader("Accept", "application/xml");
-		request.addHeader("Accept", "text/plain");
+		request = createRequest("application/xml", "text/plain");
 
 		result = condition1.compareTo(condition2, request);
 		assertTrue("Invalid comparison result: " + result, result > 0);
@@ -270,8 +246,7 @@ public class ProducesRequestConditionTests {
 
 	@Test
 	public void compareToMediaTypeAllWithParameter() {
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "*/*;q=0.9");
+		HttpServletRequest request = createRequest("*/*;q=0.9");
 
 		ProducesRequestCondition condition1 = new ProducesRequestCondition();
 		ProducesRequestCondition condition2 = new ProducesRequestCondition("application/json");
@@ -282,8 +257,7 @@ public class ProducesRequestConditionTests {
 
 	@Test
 	public void compareToEqualMatch() {
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/*");
+		HttpServletRequest request = createRequest("text/*");
 
 		ProducesRequestCondition condition1 = new ProducesRequestCondition("text/plain");
 		ProducesRequestCondition condition2 = new ProducesRequestCondition("text/xhtml");
@@ -324,8 +298,7 @@ public class ProducesRequestConditionTests {
 
 	@Test
 	public void getMatchingCondition() {
-		MockHttpServletRequest request = new MockHttpServletRequest();
-		request.addHeader("Accept", "text/plain");
+		HttpServletRequest request = createRequest("text/plain");
 
 		ProducesRequestCondition condition = new ProducesRequestCondition("text/plain", "application/xml");
 
@@ -339,6 +312,12 @@ public class ProducesRequestConditionTests {
 	}
 
 
+	private MockHttpServletRequest createRequest(String... headerValue) {
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		Arrays.stream(headerValue).forEach(value -> request.addHeader("Accept", headerValue));
+		return request;
+	}
+
 	private void assertConditions(ProducesRequestCondition condition, String... expected) {
 		Collection<ProduceMediaTypeExpression> expressions = condition.getContent();
 		assertEquals("Invalid number of conditions", expressions.size(), expected.length);