/*
* $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/java/org/apache/commons/jelly/tags/jeez/JeezTagLibrary.java,v 1.7 2002/08/27 14:04:29 jstrachan Exp $
* $Revision: 1.7 $
* $Date: 2002/08/27 14:04:29 $
*
* ====================================================================
*
* 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: JeezTagLibrary.java,v 1.7 2002/08/27 14:04:29 jstrachan Exp $
*/
package org.apache.commons.jelly.tags.jeez;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.HashSet;
import org.apache.commons.jelly.JellyContext;
import org.apache.commons.jelly.JellyException;
import org.apache.commons.jelly.impl.TagScript;
import org.apache.commons.jelly.Script;
import org.apache.commons.jelly.Tag;
import org.apache.commons.jelly.TagLibrary;
import org.apache.commons.jelly.impl.BeanTagScript;
import org.apache.commons.jelly.impl.DynamicTagLibrary;
import org.apache.commons.jelly.impl.DynaTagScript;
import org.apache.commons.jelly.impl.TagFactory;
import org.apache.commons.jelly.tags.ant.AntTagLibrary;
import org.apache.commons.jelly.tags.werkz.WerkzTagLibrary;
// import org.apache.commons.jelly.tags.core.CoreTagLibrary;
import org.apache.tools.ant.Project;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.xml.sax.Attributes;
/** Convenience taglib that puts jelly:core, jelly:werkz and jelly:ant
* into a single namespace.
*
* @author <a href="mailto:bob@eng.werken.com">bob mcwhirter</a>
* @version $Revision: 1.7 $
*/
public class JeezTagLibrary extends DynamicTagLibrary {
/** The Log to which logging calls will be made. */
private Log log = LogFactory.getLog(JeezTagLibrary.class);
/** jelly:core taglib. */
// private TagLibrary coreTagLib = new CoreTagLibrary();
/** jelly:werkz taglib. */
private TagLibrary werkzTagLib = new WerkzTagLibrary();
/** jelly:ant taglib. */
private AntTagLibrary antTagLib= new AntTagLibrary();
public TagScript createTagScript(
final String name,
Attributes attrs
) throws Exception {
if ( name.equals( "tagdef" ) ) {
return new BeanTagScript(
new TagFactory() {
public Tag createTag() {
return new TagDefTag( JeezTagLibrary.this );
}
}
);
}
if ( name.equals( "target" ) ) {
return new BeanTagScript(
new TagFactory() {
public Tag createTag() {
return new TargetTag();
}
}
);
}
TagScript script = this.werkzTagLib.createTagScript( name, attrs );
if ( script == null ) {
script = antTagLib.createCustomTagScript( name, attrs );
if ( script == null ) {
return new DynaTagScript(
new TagFactory() {
public Tag createTag() throws Exception {
// lets try create a dynamic tag first
Tag tag = JeezTagLibrary.this.createTag(name);
if ( tag != null ) {
return tag;
}
else {
return antTagLib.createTag( name );
}
}
}
);
}
}
return script;
}
}