Builder Pattern

/*
 * Copyright 2016 Juan Pablo Prado
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
package com.example.builder;

public class LunchOrder {

	public static class Builder {
		private String bread;
		private String condiments;
		private String dressing;
		private String meat;
		
		public Builder() {
			
		}
		
		public LunchOrder build() {
			return new LunchOrder(this);
		}
		
		public Builder bread(String bread) {
			this.bread = bread;
			return this;
		}
		
		public Builder condiments(String condiments) {
			this.condiments = condiments;
			return this;
		}
		
		public Builder dressing(String dressing) {
			this.dressing = dressing;
			return this;
		}
		
		public Builder meat(String meat) {
			this.meat = meat;
			return this;
		} 
		
	}
	
	private final String bread;
	private final String condiments;
	private final String dressing;
	private final String meat;

	private LunchOrder(Builder builder) {
		this.bread = builder.bread;
		this.condiments = builder.condiments;
		this.dressing = builder.dressing;
		this.meat = builder.meat;
	}

	public String getBread() {
		return bread;
	}

	public String getCondiments() {
		return condiments;
	}
	
	public String getDressing() {
		return dressing;
	}
	
	public String getMeat() {
		return meat;
	}
	
}