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Spring Framework example source code file (HiddenInputTag.java)

This example Spring Framework source code file (HiddenInputTag.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

abstractdataboundformelementtag, abstractdataboundformelementtag, eval_page, eval_page, hiddeninputtag, hiddeninputtag, http, jspexception, servlet, string, string

The Spring Framework HiddenInputTag.java source code

/*
 * Copyright 2002-2006 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' 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
 * @since 2.0
 */
public class HiddenInputTag extends AbstractDataBoundFormElementTag {

	/**
	 * The CSS class to use when the field bound to a particular tag has errors.
	 */
	private String cssErrorClass;

	/**
	 * Writes the HTML '<code>input' tag to the supplied {@link TagWriter} including the
	 * databound value.
	 * @see #writeDefaultAttributes(TagWriter)
	 * @see #getBoundValue()
	 */
	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 EVAL_PAGE;
	}

	/**
	 * The CSS class to use when the field bound to a particular tag has errors.
	 * May be a runtime expression.
	 */
	public String getCssErrorClass() {
		return cssErrorClass;
	}

	/**
	 * The CSS class to use when the field bound to a particular tag has errors.
	 * May be a runtime expression.
	 */
	public void setCssErrorClass(String cssErrorClass) {
		this.cssErrorClass = cssErrorClass;
	}
}

Other Spring Framework examples (source code examples)

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