/**
    * Copyright 2010-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 org.kuali.common.util.spring.env;
  
  import java.io.File;
  
  import org.kuali.common.util.Assert;
  
  public final class EnvContext<T> {
  
  	public EnvContext(String key, Class<T> type) {
  		this(key, type, null);
  	}
  
  	public EnvContext(String key, Class<T> type, T defaultValue) {
  		Assert.noNulls(type);
  		Assert.noBlanks(key);
  		this.key = key;
  		this.type = type;
  		this.defaultValue = defaultValue;
  	}
  
  	private final String key;
  	private final Class<T> type;
  	private final T defaultValue;
  
  	public String getKey() {
  		return key;
  	}
  
  	public Class<T> getType() {
  		return type;
  	}
  
  	public T getDefaultValue() {
  		return defaultValue;
  	}
  
  	public static <T> EnvContext<T> newCtx(String key, Class<T> type, T defaultValue) {
  		return new EnvContext<T>(key, type, defaultValue);
  	}
  
  	public static EnvContext<String> newString(String key, String defaultValue) {
  		return newCtx(key, String.class, defaultValue);
  	}
  
  	public static EnvContext<Boolean> newBoolean(String key, Boolean defaultValue) {
  		return newCtx(key, Boolean.class, defaultValue);
  	}
  
  	public static EnvContext<Integer> newInteger(String key, Integer defaultValue) {
  		return newCtx(key, Integer.class, defaultValue);
  	}
  
  	public static EnvContext<File> newFile(String key, File defaultValue) {
  		return newCtx(key, File.class, defaultValue);
  	}
  
  }