package org.kuali.common.deploy.dns.model;
   
   import org.kuali.common.util.Assert;
   
   public final class DnsContext {
   
   	private final String domain;
   	private final String prefix;
   	private final String subdomain;
  	private final String hostname;
  
  	public String getDomain() {
  		return domain;
  	}
  
  	public String getPrefix() {
  		return prefix;
  	}
  
  	public String getSubdomain() {
  		return subdomain;
  	}
  
  	public String getHostname() {
  		return hostname;
  	}
  
  	public static class Builder {
  
  		// Required
  		private final String prefix;
  		private final String subdomain;
  		private final String domain;
  
  		// Defaults to prefix + subdomain + domain if not provided
  		private String hostname;
  
  		public Builder(String prefix, String subdomain, String domain) {
  			this.prefix = prefix;
  			this.subdomain = subdomain;
  			this.domain = domain;
  		}
  
  		public Builder hostname(String hostname) {
  			this.hostname = hostname;
  			return this;
  		}
  
  		public DnsContext build() {
  			Assert.noBlanks(prefix, subdomain, domain);
  			if (hostname == null) {
  				this.hostname = DnsUtils.getHostname(prefix, subdomain, domain);
  			} else {
  				Assert.noBlanks(hostname);
  			}
  			return new DnsContext(this);
  		}
  
  	}
  
  	private DnsContext(Builder builder) {
  		this.domain = builder.domain;
  		this.hostname = builder.hostname;
  		this.prefix = builder.prefix;
  		this.subdomain = builder.subdomain;
  	}
  
  }