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/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2017 Christian Schudt
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package rocks.xmpp.addr;
/**
* Represents a malformed JID in order to handle the <code>jid-malformed</code> error.
* <p>
* This class is not intended to be publicly instantiable, but is used for malformed JIDs during parsing automatically.
*
* @author Christian Schudt
* @see <a href="https://xmpp.org/rfcs/rfc6120.html#stanzas-error-conditions-jid-malformed">RFC 6120, 8.3.3.8. jid-malformed</a>
*/
public final class MalformedJid extends AbstractJid {
private static final long serialVersionUID = -2896737611021417985L;
private final String localPart;
private final String domainPart;
private final String resourcePart;
private final Throwable cause;
static MalformedJid of(final String jid, final Throwable cause) {
// Do some basic parsing without any further checks or validation.
final StringBuilder sb = new StringBuilder(jid);
// 1. Remove any portion from the first '/' character to the end of the
// string (if there is a '/' character present).
final int indexOfResourceDelimiter = jid.indexOf('/');
final String resourcePart;
if (indexOfResourceDelimiter > -1) {
resourcePart = sb.substring(indexOfResourceDelimiter + 1);
sb.delete(indexOfResourceDelimiter, sb.length());
} else {
resourcePart = null;
}
// 2. Remove any portion from the beginning of the string to the first
// '@' character (if there is an '@' character present).
final int indexOfAt = jid.indexOf('@');
final String localPart;
if (indexOfAt > -1) {
localPart = sb.substring(0, indexOfAt);
sb.delete(0, indexOfAt + 1);
} else {
localPart = null;
}
return new MalformedJid(localPart, sb.toString(), resourcePart, cause);
}
private MalformedJid(final String localPart, final String domainPart, final String resourcePart, final Throwable cause) {
this.localPart = localPart;
this.domainPart = domainPart;
this.resourcePart = resourcePart;
this.cause = cause;
}
@Override
public final Jid asBareJid() {
return new MalformedJid(localPart, domainPart, null, cause);
}
@Override
public Jid withLocal(CharSequence local) {
return new MalformedJid(local.toString(), domainPart, resourcePart, cause);
}
@Override
public Jid withResource(CharSequence resource) {
return new MalformedJid(localPart, domainPart, resource.toString(), cause);
}
@Override
public Jid atSubdomain(CharSequence subdomain) {
if (subdomain == null) {
throw new NullPointerException();
}
return new MalformedJid(localPart, subdomain + "." + domainPart, resourcePart, cause);
}
@Override
public final String getLocal() {
return localPart;
}
@Override
public final String getEscapedLocal() {
return localPart;
}
@Override
public final String getDomain() {
return domainPart;
}
@Override
public final String getResource() {
return resourcePart;
}
/**
* Gets the cause why the JID is malformed.
*
* @return The cause.
*/
public final Throwable getCause() {
return cause;
}
}
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