/* ====================================================================
* The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
*
* Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by Jcorporate Ltd.
* (http://www.jcorporate.com/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. "Jcorporate" and product names such as "Expresso" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written permission,
* please contact info@jcorporate.com.
*
* 5. Products derived from this software may not be called "Expresso",
* or other Jcorporate product names; nor may "Expresso" or other
* Jcorporate product names appear in their name, without prior
* written permission of Jcorporate Ltd.
*
* 6. No product derived from this software may compete in the same
* market space, i.e. framework, without prior written permission
* of Jcorporate Ltd. For written permission, please contact
* partners@jcorporate.com.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Jcorporate Ltd. Contributions back
* to the project(s) are encouraged when you make modifications.
* Please send them to support@jcorporate.com. For more information
* on Jcorporate Ltd. and its products, please see
* <http://www.jcorporate.com/>.
*
* Portions of this software are based upon other open source
* products and are subject to their respective licenses.
*/
package com.jcorporate.expresso.ext.struts.taglib.bean;
import com.jcorporate.expresso.core.misc.StringUtil;
import com.jcorporate.expresso.ext.struts.taglib.ControllerUtils;
import org.apache.struts.taglib.bean.WriteTag;
import org.apache.struts.util.ResponseUtils;
import javax.servlet.jsp.JspException;
/**
* Tag that retrieves the specified property of the specified bean, converts
* it to a String representation (if necessary), and writes it to the current
* output stream, optionally filtering characters that are sensitive in HTML.
*
* @author Craig R. McClanahan
*/
public class ExWriteTag
extends WriteTag {
public ExWriteTag() {
super();
filter = false;
}
// --------------------------------------------------------- Public Methods
/**
* Process the start tag.
*
* @return integer as defined in the standard tag library framework.
* @throws JspException if a JSP exception has occurred
*/
public int doStartTag()
throws JspException {
// Look up the requested property value
Object value = ControllerUtils.getBeanProperty(pageContext, name,
property, ignore);
if (value == null) {
if (name == null) {
throw new JspException("No such element/property in " +
"ControllerResponse as '" +
StringUtil.notNull(property) + "'");
} else {
throw new JspException("No such property as '" +
StringUtil.notNull(property) +
"' in element '" + name + "'");
}
}
// Print this property value to our output writer, suitably filtered
String output = value.toString();
if (filter) {
ResponseUtils.write(pageContext, ResponseUtils.filter(output));
} else {
ResponseUtils.write(pageContext, output);
}
// Continue processing this page
return (SKIP_BODY);
}
}
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