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Kuali Utilities

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/**
 * 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 {

	public EnvContext(String key, Class type) {
		this(key, type, null);
	}

	public EnvContext(String key, Class 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 type;
	private final T defaultValue;

	public String getKey() {
		return key;
	}

	public Class getType() {
		return type;
	}

	public T getDefaultValue() {
		return defaultValue;
	}

	public static  EnvContext newCtx(String key, Class type, T defaultValue) {
		return new EnvContext(key, type, defaultValue);
	}

	public static EnvContext newString(String key, String defaultValue) {
		return newCtx(key, String.class, defaultValue);
	}

	public static EnvContext newBoolean(String key, Boolean defaultValue) {
		return newCtx(key, Boolean.class, defaultValue);
	}

	public static EnvContext newInteger(String key, Integer defaultValue) {
		return newCtx(key, Integer.class, defaultValue);
	}

	public static EnvContext newFile(String key, File defaultValue) {
		return newCtx(key, File.class, defaultValue);
	}

}