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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.
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/*
* Copyright (C) 2008 feilong
*
* 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.feilong.taglib;
/**
* 条件父类标签,需要条件控制的 例如logic equal请使用这个.
*
* 用法:简单条件标签,仅需实现condition()方法即可.
*
*
* @author feilong
* @see "javax.servlet.jsp.jstl.core.ConditionalTagSupport"
* @since 1.0.1
*/
public abstract class AbstractConditionalTag extends BaseTag{
/** The Constant serialVersionUID. */
private static final long serialVersionUID = -7583054141845571177L;
/**
* 标签开始.
*
* @return the int
* @see "javax.servlet.jsp.jstl.core.ConditionalTagSupport#doStartTag()"
*/
@Override
public int doStartTag(){
return condition() ? EVAL_BODY_INCLUDE : SKIP_BODY;
}
//---------------------------------------------------------------
/**
* 自定义条件.
*
* @return 条件满足,返回true,页面会EVAL_BODY_INCLUDE,否则SKIP_BODY
*/
protected abstract boolean condition();
}