conversations-classic/src/main/java/eu/siacs/conversations/utils/JidHelper.java
2018-05-09 11:09:01 +02:00

63 lines
2.3 KiB
Java

/*
* Copyright (c) 2017, Daniel Gultsch All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package eu.siacs.conversations.utils;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import eu.siacs.conversations.xmpp.InvalidJid;
import rocks.xmpp.addr.Jid;
public class JidHelper {
private static List<String> LOCALPART_BLACKLIST = Arrays.asList("xmpp","jabber","me");
public static String localPartOrFallback(Jid jid) {
if (LOCALPART_BLACKLIST.contains(jid.getLocal().toLowerCase(Locale.ENGLISH))) {
final String domain = jid.getDomain();
final int index = domain.lastIndexOf('.');
return index > 1 ? domain.substring(0,index) : domain;
} else {
return jid.getLocal();
}
}
public static Jid parseOrFallbackToInvalid(String jid) {
try {
return Jid.of(jid);
} catch (IllegalArgumentException e) {
return InvalidJid.of(jid, true);
}
}
}