alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

What this is

This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Other links

The source code

/*
 *  Copyright 2000-2004 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 tadm;
import java.util.Enumeration;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.BodyTagSupport;
import javax.servlet.jsp.tagext.Tag;

/**
 *
 */
public class TomcatIterate extends BodyTagSupport {
    PageContext pageContext;
    Enumeration enum;
    Object array[];
    int pos=0;
    String name;
    String type;
    
    public TomcatIterate() {}

    public void setEnumeration( Enumeration e ) {
	enum=e;
    }

    public void setArray( Object array[] ) {
	this.array=array;
	pos=0;
    }

    public void setName( String n ) {
	name=n;
    }

    public String getName() {
	return name;
    }

    public String getType() {
	return type;
    }
    
    public void setType( String type ) {
	this.type=type;
    }
    
    public int doStartTag() throws JspException {
	if( enum == null && array == null ) 
	    return SKIP_BODY;
	if( enum !=null ) {
	    if( ! enum.hasMoreElements() )
		return SKIP_BODY;
	    pageContext.setAttribute( name , enum.nextElement(),
				      PageContext.PAGE_SCOPE );
	    return EVAL_BODY_TAG;
	}
	if( array != null ) {
	    if( array.length==0 )
		return SKIP_BODY;
	    pageContext.setAttribute( name , array[ pos ],
				      PageContext.PAGE_SCOPE );
	    pos++;
	    return EVAL_BODY_TAG;
	}
	return SKIP_BODY;
    }

    public int doAfterBody() throws JspException {
	if( enum!=null )
	    if( enum.hasMoreElements() ) {
		pageContext.setAttribute( name , enum.nextElement(),
					  PageContext.PAGE_SCOPE );
		return EVAL_BODY_TAG;
	}
	if( array!=null ) {
	    if( pos
... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.