Support bridged methods in MvcUriComponentsBuilder

Issue: SPR-12977

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/MvcUriComponentsBuilder.java

@@ -21,6 +21,7 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import javax.servlet.http.HttpServletRequest;
 
@@ -49,6 +50,7 @@ import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
 import org.springframework.util.PathMatcher;
 import org.springframework.util.ReflectionUtils;
+import org.springframework.util.ReflectionUtils.MethodFilter;
 import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.context.WebApplicationContext;
@@ -56,6 +58,7 @@ import org.springframework.web.context.request.RequestAttributes;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
 import org.springframework.web.method.HandlerMethod;
+import org.springframework.web.method.HandlerMethodSelector;
 import org.springframework.web.method.annotation.RequestParamMethodArgumentResolver;
 import org.springframework.web.method.support.CompositeUriComponentsContributor;
 import org.springframework.web.servlet.DispatcherServlet;
@@ -412,25 +415,28 @@ public class MvcUriComponentsBuilder {
 		return paths[0];
 	}
 
-
-	private static Method getMethod(Class<?> controllerType, String methodName, Object... args) {
-		Method match = null;
-		for (Method method : controllerType.getDeclaredMethods()) {
-			if (method.getName().equals(methodName) && method.getParameterTypes().length == args.length) {
-				if (match != null) {
-					throw new IllegalArgumentException(String.format(
-						"Found two methods named '%s' accepting arguments %s in controller %s: [%s] and [%s]",
-						methodName, Arrays.asList(args), controllerType.getName(), match.toGenericString(),
-						method.toGenericString()));
-				}
-				match = method;
+	private static Method getMethod(Class<?> controllerType, final String methodName, final Object... args) {
+		MethodFilter selector = new MethodFilter() {
+			@Override
+			public boolean matches(Method method) {
+				String name = method.getName();
+				int argLength = method.getParameterTypes().length;
+				return (name.equals(methodName) && argLength == args.length);
 			}
+		};
+		Set<Method> methods = HandlerMethodSelector.selectMethods(controllerType, selector);
+		if (methods.size() == 1) {
+			return methods.iterator().next();
 		}
-		if (match == null) {
+		else if (methods.size() > 1) {
+			throw new IllegalArgumentException(String.format(
+					"Found two methods named '%s' accepting arguments %s in controller %s: [%s]",
+					methodName, Arrays.asList(args), controllerType.getName(), methods));
+		}
+		else {
 			throw new IllegalArgumentException("No method named '" + methodName + "' with " + args.length +
 					" arguments found in controller " + controllerType.getName());
 		}
-		return match;
 	}
 
 	private static UriComponents applyContributors(UriComponentsBuilder builder, Method method, Object... args) {

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/MvcUriComponentsBuilderTests.java

@@ -16,6 +16,10 @@
 
 package org.springframework.web.servlet.mvc.method.annotation;
 
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+import static org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.*;
+
 import java.lang.annotation.Documented;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -25,13 +29,10 @@ import java.util.Arrays;
 import java.util.List;
 
 import org.hamcrest.Matchers;
-
 import org.joda.time.DateTime;
 import org.joda.time.format.ISODateTimeFormat;
-
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 
 import org.springframework.context.annotation.Bean;
@@ -57,10 +58,6 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter
 import org.springframework.web.util.UriComponents;
 import org.springframework.web.util.UriComponentsBuilder;
 
-import static org.hamcrest.Matchers.*;
-import static org.junit.Assert.*;
-import static org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.*;
-
 /**
  * Unit tests for {@link org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder}.
  *
@@ -69,6 +66,7 @@ import static org.springframework.web.servlet.mvc.method.annotation.MvcUriCompon
  * @author Rossen Stoyanchev
  * @author Sam Brannen
  */
+@SuppressWarnings("unused")
 public class MvcUriComponentsBuilderTests {
 
 	private final MockHttpServletRequest request = new MockHttpServletRequest();
@@ -172,12 +170,12 @@ public class MvcUriComponentsBuilderTests {
 		assertThat(queryParams.get("offset"), contains("10"));
 	}
 
+	// SPR-12977
+
 	@Test
-	// TODO [SPR-12977] Enable fromMethodNameWithBridgedMethod() test.
-	@Ignore("Disabled until SPR-12977 is resolved")
 	public void fromMethodNameWithBridgedMethod() throws Exception {
-		UriComponents uriComponents = fromMethodName(PersonCrudController.class, "get", new Long(42)).build();
-		assertThat(uriComponents.toUriString(), is("http://localhost/get/42"));
+		UriComponents uriComponents = fromMethodName(PersonCrudController.class, "get", (long) 42).build();
+		assertThat(uriComponents.toUriString(), is("http://localhost/42"));
 	}
 
 	// SPR-11391