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/*
 * ====================================================================
 * 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
 * "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.
 * ====================================================================
 *
 * 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
 * .
 *
 */

package org.apache.http.cookie;

import java.io.Serializable;
import java.util.Comparator;

import org.apache.http.annotation.Contract;
import org.apache.http.annotation.ThreadingBehavior;

/**
 * This cookie comparator can be used to compare identity of cookies.
 * 

* Cookies are considered identical if their names are equal and * their domain attributes match ignoring case. * * @since 4.0 */ @Contract(threading = ThreadingBehavior.IMMUTABLE) public class CookieIdentityComparator implements Serializable, Comparator { private static final long serialVersionUID = 4466565437490631532L; @Override public int compare(final Cookie c1, final Cookie c2) { int res = c1.getName().compareTo(c2.getName()); if (res == 0) { // do not differentiate empty and null domains String d1 = c1.getDomain(); if (d1 == null) { d1 = ""; } else if (d1.indexOf('.') == -1) { d1 = d1 + ".local"; } String d2 = c2.getDomain(); if (d2 == null) { d2 = ""; } else if (d2.indexOf('.') == -1) { d2 = d2 + ".local"; } res = d1.compareToIgnoreCase(d2); } if (res == 0) { String p1 = c1.getPath(); if (p1 == null) { p1 = "/"; } String p2 = c2.getPath(); if (p2 == null) { p2 = "/"; } res = p1.compareTo(p2); } return res; } }





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