Polish RabbitMQ Changes

Fix the formatting which was messed up in commit ad1636f. Also
simplify the RabbitProperties.setVirtualHost logic a little

See gh-1128

Author: Phillip Webb

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/amqp/RabbitProperties.java

@@ -21,7 +21,7 @@
 
 /**
  * Configuration properties for Rabbit.
- *
+ * 
  * @author Greg Turnquist
  * @author Dave Syer
  */
@@ -110,15 +110,11 @@ public String getVirtualHost() {
 	}
 
 	public void setVirtualHost(String virtualHost) {
-        if ("".equals(virtualHost) || virtualHost.equals("/")) {
-            this.virtualHost = "/";
-        } else {
-//            remove all trailing /
-            while (virtualHost.startsWith("/") && virtualHost.length() > 0) {
-                virtualHost = virtualHost.substring(1);
-            }
-            this.virtualHost = virtualHost;
-        }
+		while (virtualHost.startsWith("/") && virtualHost.length() > 0) {
+			virtualHost = virtualHost.substring(1);
+		}
+		this.virtualHost = ("".equals(virtualHost) ? "/" : virtualHost);
+
 	}
 
 }

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/amqp/RabbitAutoconfigurationTests.java

@@ -16,9 +16,6 @@
 
 package org.springframework.boot.autoconfigure.amqp;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
@@ -33,9 +30,12 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
 /**
  * Tests for {@link RabbitAutoConfiguration}.
- *
+ * 
  * @author Greg Turnquist
  */
 public class RabbitAutoconfigurationTests {
@@ -74,7 +74,7 @@ public void testRabbitTemplateWithOverrides() {
 				.getBean(CachingConnectionFactory.class);
 		assertEquals("remote-server", connectionFactory.getHost());
 		assertEquals(9000, connectionFactory.getPort());
-        assertEquals("vhost", connectionFactory.getVirtualHost());
+		assertEquals("vhost", connectionFactory.getVirtualHost());
 	}
 
 	@Test

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/amqp/RabbitPropertiesTests.java

@@ -16,14 +16,14 @@
 
 package org.springframework.boot.autoconfigure.amqp;
 
+import org.junit.Test;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 
-import org.junit.Test;
-
 /**
  * Tests for {@link RabbitProperties}.
- *
+ * 
  * @author Dave Syer
  */
 public class RabbitPropertiesTests {
@@ -50,28 +50,28 @@ public void addressesDoubleValued() {
 		assertEquals(9999, this.properties.getPort());
 	}
 
-    @Test
-    public void testDefaultVirtualHost() {
-        this.properties.setVirtualHost("/");
-        assertEquals("/", this.properties.getVirtualHost());
-    }
+	@Test
+	public void testDefaultVirtualHost() {
+		this.properties.setVirtualHost("/");
+		assertEquals("/", this.properties.getVirtualHost());
+	}
 
-    @Test
-    public void testemptyVirtualHost() {
-        this.properties.setVirtualHost("");
-        assertEquals("/", this.properties.getVirtualHost());
-    }
+	@Test
+	public void testemptyVirtualHost() {
+		this.properties.setVirtualHost("");
+		assertEquals("/", this.properties.getVirtualHost());
+	}
 
-    @Test
-    public void testCustomVirtualHost() {
-        this.properties.setVirtualHost("myvHost");
-        assertEquals("myvHost", this.properties.getVirtualHost());
-    }
+	@Test
+	public void testCustomVirtualHost() {
+		this.properties.setVirtualHost("myvHost");
+		assertEquals("myvHost", this.properties.getVirtualHost());
+	}
 
-    @Test
-    public void testCustomFalsyVirtualHost() {
-        this.properties.setVirtualHost("/myvHost");
-        assertEquals("myvHost", this.properties.getVirtualHost());
-    }
+	@Test
+	public void testCustomFalsyVirtualHost() {
+		this.properties.setVirtualHost("/myvHost");
+		assertEquals("myvHost", this.properties.getVirtualHost());
+	}
 
 }