1 files changed, 131 insertions, 0 deletions
diff --git a/libs/xmpp-addr/src/main/java/rocks/xmpp/addr/MalformedJid.java b/libs/xmpp-addr/src/main/java/rocks/xmpp/addr/MalformedJid.java
new file mode 100644
index 000000000..f8605bfc1
--- /dev/null
+++ b/libs/xmpp-addr/src/main/java/rocks/xmpp/addr/MalformedJid.java
@@ -0,0 +1,131 @@
+/*
+ * 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;
+    }
+}