src/java/org/apache/commons/jelly/impl/DefaultTagFactory.java

/*
 * Copyright 2002,2004 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.commons.jelly.impl;

import org.apache.commons.jelly.JellyException;
import org.apache.commons.jelly.Tag;

import org.xml.sax.Attributes;

/**
 * <p><code>DefaultTagFactory</code> a default implementation of TagFactory
 * which creates new instances of a given class.
 *
 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 * @version $Revision: 1.16 $
 */
public class DefaultTagFactory implements TagFactory {

    private Class tagClass;

    public DefaultTagFactory() {
    }

    public DefaultTagFactory(Class tagClass) {
        this.tagClass = tagClass;
    }

    // TagFactory interface
    //-------------------------------------------------------------------------
    public Tag createTag(String name, Attributes attributes) throws JellyException {
        try {
          return (Tag) tagClass.newInstance();
        } catch (InstantiationException e) {
            throw new JellyException(e.toString());
        } catch (IllegalAccessException e) {
            throw new JellyException(e.toString());
        }
    }


    // Properties
    //-------------------------------------------------------------------------

    /**
     * Returns the tagClass.
     * @return Class
     */
    public Class getTagClass() {
        return tagClass;
    }

    /**
     * Sets the tagClass.
     * @param tagClass The tagClass to set
     */
    public void setTagClass(Class tagClass) {
        this.tagClass = tagClass;
    }

}