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1 /* |
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2 * ==================================================================== |
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3 * Licensed to the Apache Software Foundation (ASF) under one |
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4 * or more contributor license agreements. See the NOTICE file |
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5 * distributed with this work for additional information |
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6 * regarding copyright ownership. The ASF licenses this file |
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7 * to you under the Apache License, Version 2.0 (the |
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8 * "License"); you may not use this file except in compliance |
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9 * with the License. You may obtain a copy of the License at |
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10 * |
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11 * http://www.apache.org/licenses/LICENSE-2.0 |
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12 * |
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13 * Unless required by applicable law or agreed to in writing, |
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14 * software distributed under the License is distributed on an |
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15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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16 * KIND, either express or implied. See the License for the |
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17 * specific language governing permissions and limitations |
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18 * under the License. |
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19 * ==================================================================== |
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20 * |
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21 * This software consists of voluntary contributions made by many |
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22 * individuals on behalf of the Apache Software Foundation. For more |
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23 * information on the Apache Software Foundation, please see |
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24 * <http://www.apache.org/>. |
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25 * |
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26 */ |
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27 |
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28 package ch.boye.httpclientandroidlib.cookie; |
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29 |
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30 import java.io.Serializable; |
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31 import java.util.Comparator; |
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32 |
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33 import ch.boye.httpclientandroidlib.annotation.Immutable; |
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34 |
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35 /** |
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36 * This cookie comparator can be used to compare identity of cookies. |
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37 * <p> |
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38 * Cookies are considered identical if their names are equal and |
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39 * their domain attributes match ignoring case. |
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40 * |
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41 * @since 4.0 |
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42 */ |
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43 @Immutable |
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44 public class CookieIdentityComparator implements Serializable, Comparator<Cookie> { |
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45 |
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46 private static final long serialVersionUID = 4466565437490631532L; |
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47 |
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48 public int compare(final Cookie c1, final Cookie c2) { |
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49 int res = c1.getName().compareTo(c2.getName()); |
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50 if (res == 0) { |
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51 // do not differentiate empty and null domains |
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52 String d1 = c1.getDomain(); |
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53 if (d1 == null) { |
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54 d1 = ""; |
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55 } else if (d1.indexOf('.') == -1) { |
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56 d1 = d1 + ".local"; |
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57 } |
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58 String d2 = c2.getDomain(); |
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59 if (d2 == null) { |
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60 d2 = ""; |
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61 } else if (d2.indexOf('.') == -1) { |
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62 d2 = d2 + ".local"; |
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63 } |
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64 res = d1.compareToIgnoreCase(d2); |
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65 } |
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66 if (res == 0) { |
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67 String p1 = c1.getPath(); |
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68 if (p1 == null) { |
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69 p1 = "/"; |
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70 } |
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71 String p2 = c2.getPath(); |
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72 if (p2 == null) { |
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73 p2 = "/"; |
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74 } |
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75 res = p1.compareTo(p2); |
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76 } |
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77 return res; |
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78 } |
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79 |
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80 } |