/*
* $Id: TextareaTag.java 471754 2006-11-06 14:55:09Z husted $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.struts.taglib.html;
import org.apache.struts.taglib.TagUtils;
import javax.servlet.jsp.JspException;
/**
* Custom tag for input fields of type "textarea".
*
* @version $Rev: 471754 $ $Date: 2005-04-06 02:37:00 -0400 (Wed, 06 Apr 2005)
* $
*/
public class TextareaTag extends BaseInputTag {
// ----------------------------------------------------- Constructor
public TextareaTag() {
super();
doReadonly = true;
}
// --------------------------------------------------------- Public Methods
/**
* Generate the required input tag. Support for indexed since Struts 1.1
*
* @throws JspException if a JSP exception has occurred
*/
public int doStartTag() throws JspException {
TagUtils.getInstance().write(pageContext, this.renderTextareaElement());
return (EVAL_BODY_TAG);
}
/**
* Generate an HTML <textarea> tag.
*
* @throws JspException
* @since Struts 1.1
*/
protected String renderTextareaElement()
throws JspException {
StringBuffer results = new StringBuffer("<textarea");
prepareAttribute(results, "name", prepareName());
prepareAttribute(results, "accesskey", getAccesskey());
prepareAttribute(results, "tabindex", getTabindex());
prepareAttribute(results, "cols", getCols());
prepareAttribute(results, "rows", getRows());
results.append(prepareEventHandlers());
results.append(prepareStyles());
prepareOtherAttributes(results);
results.append(">");
results.append(this.renderData());
results.append("</textarea>");
return results.toString();
}
/**
* Renders the value displayed in the <textarea> tag.
*
* @throws JspException
* @since Struts 1.1
*/
protected String renderData()
throws JspException {
String data = this.value;
if (data == null) {
data = this.lookupProperty(this.name, this.property);
}
return (data == null) ? "" : TagUtils.getInstance().filter(data);
}
/**
* Release any acquired resources.
*/
public void release() {
super.release();
name = Constants.BEAN_KEY;
}
}