/*
* Copyright 2002-2010 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
*
* 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 org.springframework.web.servlet.tags.form;
import javax.servlet.jsp.JspException;
/**
* Data-binding aware JSP tag for rendering a hidden HTML '<code>input</code>' field
* containing the databound value.
*
* <p>Example (binding to 'name' property of form backing object):
* <pre class="code>
* <form:hidden path="name"/>
* </pre>
*
* @author Rob Harrop
* @author Juergen Hoeller
* @since 2.0
*/
public class HiddenInputTag extends AbstractHtmlElementTag {
/**
* Writes the HTML '<code>input</code>' tag to the supplied {@link TagWriter} including the
* databound value.
* @see #writeDefaultAttributes(TagWriter)
* @see #getBoundValue()
*/
@Override
protected int writeTagContent(TagWriter tagWriter) throws JspException {
tagWriter.startTag("input");
writeDefaultAttributes(tagWriter);
tagWriter.writeAttribute("type", "hidden");
tagWriter.writeAttribute("value", getDisplayString(getBoundValue(), getPropertyEditor()));
tagWriter.endTag();
return SKIP_BODY;
}
}
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