Use new configuration properties in devtools

Update `spring-boot-devtools` to use the new configuration properties
support.

See gh-9000

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/env/DevToolsPropertyDefaultsPostProcessor.java

@@ -21,7 +21,6 @@ import java.util.HashMap;
 import java.util.Map;
 
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.bind.RelaxedPropertyResolver;
 import org.springframework.boot.devtools.restart.Restarter;
 import org.springframework.boot.env.EnvironmentPostProcessor;
 import org.springframework.core.Ordered;
@@ -37,6 +36,7 @@ import org.springframework.core.env.PropertySource;
  *
  * @author Phillip Webb
  * @author Andy Wilkinson
+ * @author Madhura Bhave
  * @since 1.3.0
  */
 @Order(Ordered.LOWEST_PRECEDENCE)
@@ -90,9 +90,7 @@ public class DevToolsPropertyDefaultsPostProcessor implements EnvironmentPostPro
 	}
 
 	private boolean isRemoteRestartEnabled(Environment environment) {
-		RelaxedPropertyResolver resolver = new RelaxedPropertyResolver(environment,
-				"spring.devtools.remote.");
-		return resolver.containsProperty("secret");
+		return environment.containsProperty("spring.devtools.remote.secret");
 	}
 
 }

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/remote/client/LocalDebugPortAvailableCondition.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -21,7 +21,6 @@ import javax.net.ServerSocketFactory;
 import org.springframework.boot.autoconfigure.condition.ConditionMessage;
 import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
 import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
-import org.springframework.boot.bind.RelaxedPropertyResolver;
 import org.springframework.boot.devtools.autoconfigure.RemoteDevToolsProperties;
 import org.springframework.context.annotation.ConditionContext;
 import org.springframework.core.type.AnnotatedTypeMetadata;
@@ -30,6 +29,7 @@ import org.springframework.core.type.AnnotatedTypeMetadata;
  * Condition used to check that the actual local port is available.
  *
  * @author Phillip Webb
+ * @author Madhura Bhave
  */
 class LocalDebugPortAvailableCondition extends SpringBootCondition {
 
@@ -38,12 +38,9 @@ class LocalDebugPortAvailableCondition extends SpringBootCondition {
 			AnnotatedTypeMetadata metadata) {
 		ConditionMessage.Builder message = ConditionMessage
 				.forCondition("Local Debug Port Condition");
-		RelaxedPropertyResolver resolver = new RelaxedPropertyResolver(
-				context.getEnvironment(), "spring.devtools.remote.debug.");
-		Integer port = resolver.getProperty("local-port", Integer.class);
-		if (port == null) {
-			port = RemoteDevToolsProperties.Debug.DEFAULT_LOCAL_PORT;
-		}
+		Integer port = context.getEnvironment().getProperty(
+				"spring.devtools.remote.debug.local-port", Integer.class,
+				RemoteDevToolsProperties.Debug.DEFAULT_LOCAL_PORT);
 		if (isPortAvailable(port)) {
 			return ConditionOutcome.match(message.foundExactly("local debug port"));
 		}