@Bean
	@ConditionalOnWebApplication
	public Filter httpPutFormContentFilter() {
		return new HttpPutFormContentFilter();
	}
{@link ApplicationContextInitializer} that checks if the admin port is already in use.

@author Ilayaperumal Gopinathan
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/server/admin/AdminServerApplication.java