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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

arraylist, arraylist, dynamicattributes, echoattributestag, http, io, ioexception, jsp, jspexception, jspexception, jspwriter, object, object, servlet, simpletagsupport, string, string, util

The Tomcat source code

* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* 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;

 * 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 + "" );

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

Other Tomcat examples (source code examples)

Here is a short list of links related to this Tomcat source code file:

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