[3102] | 1 | package nu.fw.jeti.jabber; |
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| 2 | |
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| 3 | import nu.fw.jeti.util.I18N; |
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| 4 | |
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| 5 | |
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| 6 | /** |
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| 7 | * |
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| 8 | * @author E.S. de Boer |
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| 9 | * @version 1.0 |
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| 10 | */ |
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| 11 | |
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| 12 | public final class JID |
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| 13 | { |
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| 14 | private String domain; |
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| 15 | private String user; |
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| 16 | private String resource; |
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| 17 | |
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| 18 | private String domainPreped; |
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| 19 | private String userPreped; |
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| 20 | private String resourcePreped; |
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| 21 | |
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| 22 | public JID(String server) |
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| 23 | { |
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| 24 | // if(server == null || server.equals("")) throw new NullPointerException(I18N.gettext("main.error.Server_has_no_value")); |
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| 25 | // if(Utils.isAtleastJava(6)){ |
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| 26 | // domainPreped = JIDPrep.namePrep(server); |
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| 27 | // } |
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| 28 | // else |
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| 29 | domainPreped = server.toLowerCase(); |
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| 30 | this.domain = server; |
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| 31 | } |
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| 32 | |
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| 33 | public JID(String user,String server) |
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| 34 | { |
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| 35 | this(server); |
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| 36 | if(user == null) return; |
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| 37 | // if(Utils.isAtleastJava(6)){ |
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| 38 | // userPreped = JIDPrep.nodePrep(user); |
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| 39 | // } |
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| 40 | // else |
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| 41 | userPreped = user.toLowerCase(); |
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| 42 | this.user = user; |
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| 43 | } |
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| 44 | |
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| 45 | public JID(String user,String server,String resource) |
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| 46 | { |
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| 47 | this(user,server); |
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| 48 | // if(Utils.isAtleastJava(6)){ |
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| 49 | // resourcePreped = JIDPrep.resourcePrep(resource); |
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| 50 | // |
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| 51 | // } |
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| 52 | // else |
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| 53 | resourcePreped = resource; |
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| 54 | this.resource = resource; |
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| 55 | } |
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| 56 | |
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| 57 | public JID() |
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| 58 | { |
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| 59 | |
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| 60 | } |
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| 61 | |
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| 62 | public static JID jidFromString(String jid) |
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| 63 | { |
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| 64 | if(jid == null || jid.equals("")) return null; |
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| 65 | String node=null, domain=null, resource=null; |
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| 66 | int loc = jid.indexOf("@"); |
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| 67 | if (loc != -1) |
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| 68 | { |
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| 69 | node = jid.substring(0, loc); |
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| 70 | jid = jid.substring(loc + 1); |
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| 71 | } |
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| 72 | loc = jid.indexOf("/"); |
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| 73 | if (loc == -1) domain = jid; |
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| 74 | else |
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| 75 | { |
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| 76 | domain = jid.substring(0, loc); |
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| 77 | resource = jid.substring(loc + 1); |
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| 78 | } |
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| 79 | if(domain ==null) return null; |
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| 80 | return new JID(node,domain,resource); |
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| 81 | } |
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| 82 | |
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| 83 | public static JID checkedJIDFromString(String jid) throws InstantiationException |
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| 84 | { |
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| 85 | if(jid == null || jid.equals("")) return null; |
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| 86 | String node=null, domain=null, resource=null; |
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| 87 | int loc = jid.indexOf("@"); |
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| 88 | if (loc != -1) |
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| 89 | { |
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| 90 | node = jid.substring(0, loc); |
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| 91 | jid = jid.substring(loc + 1); |
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| 92 | } |
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| 93 | loc = jid.indexOf("/"); |
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| 94 | if (loc == -1) domain = jid; |
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| 95 | else |
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| 96 | { |
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| 97 | domain = jid.substring(0, loc); |
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| 98 | resource = jid.substring(loc + 1); |
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| 99 | } |
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| 100 | if (node != null && node.length() > 255) throw new InstantiationException (I18N.gettext("main.error.Username_>_255_Characters")); |
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| 101 | if(domain.indexOf("@") != -1) throw new InstantiationException (I18N.gettext("main.error.Server_or_Username_contains_a_'@'")); |
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| 102 | if(!isValidUser(node)) throw new InstantiationException(I18N.getTextWithAmp("main.error.Username_contains_illegal_chars_(see_english_translation)")); |
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| 103 | if(!isValidServer(domain)) throw new InstantiationException(I18N.gettext("main.error.Server_must_start_with_a_letter_(see_english_translation)")); |
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| 104 | return new JID(node,domain,resource); |
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| 105 | } |
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| 106 | |
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| 107 | public static boolean isValidUser(String user) |
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| 108 | { |
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| 109 | if(user == null) return true; |
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| 110 | int len = user.length(); |
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| 111 | if (len > 255) return false; |
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| 112 | char c; |
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| 113 | for(int i=0; i<len; i++) |
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| 114 | { |
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| 115 | c = user.charAt(i); |
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| 116 | if (c <= ' ') return false; |
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| 117 | if (c == ':') return false; |
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| 118 | if (c == '@') return false; |
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| 119 | if (c == '"') return false; |
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| 120 | if (c == '>') return false; |
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| 121 | if (c == '<') return false; |
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| 122 | if (c == '/') return false; |
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| 123 | if (c == '\'') return false; |
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| 124 | if (c == '&') return false; |
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| 125 | if (c == '\u077F') return false; |
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| 126 | if (c == '\u0FFE') return false; |
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| 127 | if (c == '\u0FFF') return false; |
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| 128 | } |
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| 129 | return true; |
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| 130 | } |
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| 131 | |
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| 132 | //check dns name |
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| 133 | public static boolean isValidServer(String server) |
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| 134 | { |
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| 135 | if(server == null || server.equals("")) return false; |
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| 136 | int len = server.length(); |
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| 137 | //if (len > 255) return false; |
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| 138 | //first leter must be alphanumeric |
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| 139 | if(!Character.isLetterOrDigit(server.charAt(0)))return false; |
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| 140 | char c; |
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| 141 | for(int i=0; i<len; i++) |
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| 142 | { |
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| 143 | c = server.charAt(i); |
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| 144 | if(!(Character.isLetterOrDigit(c) || c=='.' || c=='-')) return false; |
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| 145 | } |
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| 146 | return true; |
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| 147 | } |
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| 148 | |
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| 149 | public String getUser(){return user;} |
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| 150 | |
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| 151 | public String getDomain(){return domain;} |
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| 152 | |
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| 153 | public String getResource(){return resource;} |
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| 154 | |
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| 155 | public String toString() |
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| 156 | { |
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| 157 | StringBuffer jid = new StringBuffer(); |
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| 158 | if (user != null){ |
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| 159 | jid.append(user); |
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| 160 | jid.append("@"); |
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| 161 | } |
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| 162 | jid.append(domain); |
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| 163 | if (resource != null){ |
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| 164 | jid.append("/"); |
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| 165 | jid.append(resource); |
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| 166 | } |
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| 167 | return jid.toString(); |
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| 168 | } |
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| 169 | |
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| 170 | public String toStringNoResource() |
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| 171 | { |
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| 172 | StringBuffer jid = new StringBuffer(); |
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| 173 | if (user != null){ |
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| 174 | jid.append(user); |
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| 175 | jid.append("@"); |
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| 176 | } |
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| 177 | jid.append(domain); |
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| 178 | return jid.toString(); |
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| 179 | } |
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| 180 | |
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| 181 | |
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| 182 | |
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| 183 | /** |
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| 184 | * equals doesn't look at resources |
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| 185 | * @param jid |
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| 186 | * @return boolean |
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| 187 | */ |
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| 188 | public boolean equals(JID jid){ |
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| 189 | if (jid == null) return false; |
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| 190 | return equalsNode(jid) && domainPreped.equals(jid.domainPreped); |
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| 191 | } |
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| 192 | |
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| 193 | private boolean equalsNode(JID jid){ |
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| 194 | if (userPreped == null ^ jid.userPreped == null ) return false; |
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| 195 | if(userPreped == null) return true; |
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| 196 | return userPreped.equals(jid.userPreped); |
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| 197 | } |
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| 198 | |
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| 199 | /** |
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| 200 | * equals doesn't look at resources |
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| 201 | * @param jid |
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| 202 | * @return boolean |
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| 203 | */ |
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| 204 | public boolean equals(Object o){ |
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| 205 | if(!(o instanceof JID)) return false; |
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| 206 | return equals((JID)o); |
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| 207 | } |
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| 208 | |
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| 209 | public int hashCode() |
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| 210 | { |
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| 211 | int hash = 0; |
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| 212 | if(userPreped != null) hash = userPreped.hashCode(); |
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| 213 | return hash ^ domainPreped.hashCode(); |
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| 214 | } |
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| 215 | } |
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| 216 | /* |
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| 217 | * Overrides for emacs |
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| 218 | * Local variables: |
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| 219 | * tab-width: 4 |
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| 220 | * End: |
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| 221 | */ |
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