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Java example source code file (NetscapeDomainHandler.java)

This example source code file (NetscapeDomainHandler.java) 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.

Java tags/keywords

basicdomainhandler, cookie, cookieorigin, domain, edu, gov, illegalargumentexception, int, malformedcookieexception, netscape, netscapedomainhandler, override, string, stringtokenizer, util

The NetscapeDomainHandler.java example 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
 *   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
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 * 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/>.
package org.apache.http.impl.cookie;

import java.util.Locale;
import java.util.StringTokenizer;

import org.apache.http.annotation.Immutable;

import org.apache.http.cookie.Cookie;
import org.apache.http.cookie.CookieOrigin;
import org.apache.http.cookie.MalformedCookieException;

 * @since 4.0
public class NetscapeDomainHandler extends BasicDomainHandler {

    public NetscapeDomainHandler() {

    public void validate(final Cookie cookie, final CookieOrigin origin) 
            throws MalformedCookieException {
        super.validate(cookie, origin);
        // Perform Netscape Cookie draft specific validation
        String host = origin.getHost();
        String domain = cookie.getDomain();
        if (host.contains(".")) {
            int domainParts = new StringTokenizer(domain, ".").countTokens();

            if (isSpecialDomain(domain)) {
                if (domainParts < 2) {
                    throw new MalformedCookieException("Domain attribute \""
                        + domain 
                        + "\" violates the Netscape cookie specification for "
                        + "special domains");
            } else {
                if (domainParts < 3) {
                    throw new MalformedCookieException("Domain attribute \""
                        + domain 
                        + "\" violates the Netscape cookie specification");

    * Checks if the given domain is in one of the seven special
    * top level domains defined by the Netscape cookie specification.
    * @param domain The domain.
    * @return True if the specified domain is "special"
   private static boolean isSpecialDomain(final String domain) {
       final String ucDomain = domain.toUpperCase(Locale.ENGLISH);
       return ucDomain.endsWith(".COM")
               || ucDomain.endsWith(".EDU")
               || ucDomain.endsWith(".NET")
               || ucDomain.endsWith(".GOV")
               || ucDomain.endsWith(".MIL")
               || ucDomain.endsWith(".ORG")
               || ucDomain.endsWith(".INT");

   public boolean match(Cookie cookie, CookieOrigin origin) {
       if (cookie == null) {
           throw new IllegalArgumentException("Cookie may not be null");
       if (origin == null) {
           throw new IllegalArgumentException("Cookie origin may not be null");
       String host = origin.getHost();
       String domain = cookie.getDomain();
       if (domain == null) {
           return false;
       return host.endsWith(domain);


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