Ensure Weblogic and Websphere JMX are covered

To ensure an MBeanServer is available when needed you have to
look in JNDI before resorting to the JDK platform factory.

I had to copy some private code from Spring, but it seems
worth it.

Fixes gh-1092

spring-boot/src/test/java/org/springframework/boot/context/properties/ConfigurationPropertiesBindingPostProcessorTests.java

@@ -22,10 +22,12 @@ import javax.validation.constraints.NotNull;
 import org.junit.After;
 import org.junit.Test;
 import org.springframework.beans.factory.BeanCreationException;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.test.EnvironmentTestUtils;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
 import org.springframework.mock.env.MockEnvironment;
 import org.springframework.validation.BindException;
 import org.springframework.validation.Errors;
@@ -129,6 +131,16 @@ public class ConfigurationPropertiesBindingPostProcessorTests {
 				equalTo(FooEnum.FOO));
 	}
 
+	@Test
+	public void testValueBindingForDefaults() throws Exception {
+		this.context = new AnnotationConfigApplicationContext();
+		EnvironmentTestUtils.addEnvironment(this.context, "default.value:foo");
+		this.context.register(PropertyWithValue.class);
+		this.context.refresh();
+		assertThat(this.context.getBean(PropertyWithValue.class).getValue(),
+				equalTo("foo"));
+	}
+
 	@Configuration
 	@EnableConfigurationProperties
 	public static class TestConfigurationWithValidatingSetter {
@@ -263,4 +275,27 @@ public class ConfigurationPropertiesBindingPostProcessorTests {
 	static enum FooEnum {
 		FOO, BAZ, BAR
 	}
+
+	@Configuration
+	@EnableConfigurationProperties
+	@ConfigurationProperties(prefix = "test")
+	public static class PropertyWithValue {
+
+		@Value("${default.value}")
+		private String value;
+
+		public void setValue(String value) {
+			this.value = value;
+		}
+
+		public String getValue() {
+			return this.value;
+		}
+
+		public static PropertySourcesPlaceholderConfigurer configurer() {
+			return new PropertySourcesPlaceholderConfigurer();
+		}
+
+	}
+
 }