    /*
    * Copyright 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 jsp2.examples.simpletag;

    import javax.servlet.jsp.JspException;
    import javax.servlet.jsp.JspWriter;
    import javax.servlet.jsp.tagext.SimpleTagSupport;
    import javax.servlet.jsp.tagext.DynamicAttributes;
    import java.util.ArrayList;
    import java.util.Iterator;
    import java.io.IOException;

    /**
     * SimpleTag handler that echoes all its attributes
     */
    public class EchoAttributesTag
        extends SimpleTagSupport
        implements DynamicAttributes
    {
        private ArrayList keys = new ArrayList();
        private ArrayList values = new ArrayList();

        public void doTag() throws JspException, IOException {
    	JspWriter out = getJspContext().getOut();
    	for( int i = 0; i < keys.size(); i++ ) {
    	    String key = (String)keys.get( i );
    	    Object value = values.get( i );
    	    out.println( "<li>" + key + " = " + value + "</li>" );
            }
        }

        public void setDynamicAttribute( String uri, String localName,
    	Object value )
    	throws JspException
        {
    	keys.add( localName );
    	values.add( value );
        }
    }