/*
* $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/define/DynamicTag.java,v 1.7 2002/05/17 15:18:12 jstrachan Exp $
* $Revision: 1.7 $
* $Date: 2002/05/17 15:18:12 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2002 The Apache Software Foundation. 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 acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* 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 THE APACHE SOFTWARE FOUNDATION 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 Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* $Id: DynamicTag.java,v 1.7 2002/05/17 15:18:12 jstrachan Exp $
*/
package org.apache.commons.jelly.tags.define;
import org.apache.commons.jelly.JellyException;
import org.apache.commons.jelly.TagSupport;
import org.apache.commons.jelly.XMLOutput;
import org.apache.commons.jelly.expression.Expression;
import org.apache.commons.jelly.impl.Attribute;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* This tag is bound onto a Java Bean class. When the tag is invoked a bean will be created
* using the tags attributes.
* The bean may also have an invoke method called invoke(), run(), execute() or some such method
* which will be invoked after the bean has been configured.</p>
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
* @author <a href="mailto:jason@zenplex.com">Jason van Zyl</a>
* @version $Revision: 1.7 $
*/
public class AttributeTag extends TagSupport {
/** The Log to which logging calls will be made. */
private static final Log log = LogFactory.getLog(AttributeTag.class);
/** the attribute definition */
private Attribute attribute;
public AttributeTag() {
attribute = new Attribute();
}
public AttributeTag(Attribute attribute) {
this.attribute = attribute;
}
// Tag interface
//-------------------------------------------------------------------------
public void doTag(XMLOutput output) throws Exception {
BeanTag tag = (BeanTag) findAncestorWithClass( BeanTag.class );
if ( tag == null ) {
throw new JellyException( "This tag should be nested inside a <define:bean> or <define:jellybean> tag" );
}
tag.addAttribute( attribute );
}
// Properties
//-------------------------------------------------------------------------
/**
* Sets the name of the attribute
*/
public void setName(String name) {
attribute.setName(name);
}
/**
* Sets whether this attribute is mandatory or not
*/
public void setRequired(boolean required) {
attribute.setRequired(required);
}
/**
* Sets the default value of this attribute
*/
public void setDefaultValue(Expression defaultValue) {
attribute.setDefaultValue(defaultValue);
}
}