/*
* Copyright 2001,2004 The Apache Software Foundation.
*
* 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.apache.webapp.admin;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.ArrayList;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.BodyTagSupport;
import javax.servlet.jsp.tagext.Tag;
/**
* <p>Nested tag that represents an individual "data" for a row. This tag
* is valid <strong>only</strong> when nested within a RowTag tag.
*
* <p>In addition, the body content of this tag is used as the user-visible
* data for the action, so that it may be conveniently localized.</p>
*
* <strong>FIXME</strong> - Internationalize the exception messages!
*
* @author Manveen Kaur
* @version $Revision: 302726 $
*/
public class DataTag extends BodyTagSupport {
// ----------------------------------------------------- Instance Variables
/**
* The data that will be rendered for this table row.
*/
protected String data = null;
// --------------------------------------------------------- Public Methods
/**
* Process the start of this tag.
*
* @exception JspException if a JSP exception has occurred
*/
public int doStartTag() throws JspException {
// Initialize the holder for our data text
this.data = null;
// Do no further processing for now
return (EVAL_BODY_TAG);
}
/**
* Process the body text of this tag (if any).
*
* @exception JspException if a JSP exception has occurred
*/
public int doAfterBody() throws JspException {
String data = bodyContent.getString();
if (data != null) {
data = data.trim();
if (data.length() > 0)
this.data = data;
}
return (SKIP_BODY);
}
/**
* Record this action with our surrounding ActionsTag instance.
*
* @exception JspException if a processing error occurs
*/
public int doEndTag() throws JspException {
// Find our parent ActionsTag instance
Tag parent = getParent();
if ((parent == null) || !(parent instanceof RowTag))
throw new JspException("Must be nested in a rowTag isntance");
RowTag row = (RowTag) parent;
// Register the information for the action represented by
// this action
HttpServletResponse response =
(HttpServletResponse) pageContext.getResponse();
row.setData(data);
return (EVAL_PAGE);
}
/**
* Release all state information set by this tag.
*/
public void release() {
this.data = null;
}
}