spring HtmlEscapeTag 源码
spring HtmlEscapeTag 代码
文件路径：/spring-webmvc/src/main/java/org/springframework/web/servlet/tags/HtmlEscapeTag.java
/*
* Copyright 2002-2018 the original author or authors.
*
* 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
*
* https://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 org.springframework.web.servlet.tags;
import jakarta.servlet.jsp.JspException;
/**
* The {@code <htmlEscape>} tag sets default HTML escape value for the current
* page. The actual value can be overridden by escaping-aware tags.
* The default is "false".
*
* <p>Note: You can also set a "defaultHtmlEscape" web.xml context-param.
* A page-level setting overrides a context-param.
*
* <table>
* <caption>Attribute Summary</caption>
* <thead>
* <tr>
* <th>Attribute</th>
* <th>Required?</th>
* <th>Runtime Expression?</th>
* <th>Description</th>
* </tr>
* </thead>
* <tbody>
* <tr>
* <td>defaultHtmlEscape</td>
* <td>true</td>
* <td>true</td>
* <td>Set the default value for HTML escaping, to be put into the current
* PageContext.</td>
* </tr>
* </tbody>
* </table>
*
* @author Juergen Hoeller
* @since 04.03.2003
* @see HtmlEscapingAwareTag#setHtmlEscape
*/
@SuppressWarnings("serial")
public class HtmlEscapeTag extends RequestContextAwareTag {
private boolean defaultHtmlEscape;
/**
* Set the default value for HTML escaping,
* to be put into the current PageContext.
*/
public void setDefaultHtmlEscape(boolean defaultHtmlEscape) {
this.defaultHtmlEscape = defaultHtmlEscape;
}
@Override
protected int doStartTagInternal() throws JspException {
getRequestContext().setDefaultHtmlEscape(this.defaultHtmlEscape);
return EVAL_BODY_INCLUDE;
}
}
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