/**
 * Copyright (c) 2011-2019, James Zhan 詹波 (jfinal@126.com).
 *
 * 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.jfinal.template.source;

/**
 * ISource 用于表示模板内容的来源
 */
public interface ISource {
	
	/**
	 * reload template if modified on devMode
	 */
	boolean isModified();
	
	/**
	 * cache key used to cache, return null if do not cache the template
	 * 
	 * 注意：如果不希望缓存从该 ISource 解析出来的 Template 对象
	 *      让 getCacheKey() 返回 null 值即可  
	 */
	String getCacheKey();
	
	/**
	 * content of ISource
	 */
	StringBuilder getContent();
	
	/**
	 * encoding of content
	 */
	String getEncoding();
}