com.sun.mail.imap.protocol.Namespaces Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.mail.imap.protocol;
import java.util.*;
import com.sun.mail.iap.*;
/**
* This class and its inner class represent the response to the
* NAMESPACE command.
*
* See RFC 2342.
*
* @author Bill Shannon
*/
public class Namespaces {
/**
* A single namespace entry.
*/
public static class Namespace {
/**
* Prefix string for the namespace.
*/
public String prefix;
/**
* Delimiter between names in this namespace.
*/
public char delimiter;
/**
* Parse a namespace element out of the response.
*/
public Namespace(Response r) throws ProtocolException {
// Namespace_Element = "(" string SP (<"> QUOTED_CHAR <"> / nil)
// *(Namespace_Response_Extension) ")"
if (r.readByte() != '(')
throw new ProtocolException(
"Missing '(' at start of Namespace");
// first, the prefix
prefix = BASE64MailboxDecoder.decode(r.readString());
r.skipSpaces();
// delimiter is a quoted character or NIL
if (r.peekByte() == '"') {
r.readByte();
delimiter = (char)r.readByte();
if (delimiter == '\\')
delimiter = (char)r.readByte();
if (r.readByte() != '"')
throw new ProtocolException(
"Missing '\"' at end of QUOTED_CHAR");
} else {
String s = r.readAtom();
if (s == null)
throw new ProtocolException("Expected NIL, got null");
if (!s.equalsIgnoreCase("NIL"))
throw new ProtocolException("Expected NIL, got " + s);
delimiter = 0;
}
// at end of Namespace data?
if (r.peekByte() != ')') {
// otherwise, must be a Namespace_Response_Extension
// Namespace_Response_Extension = SP string SP
// "(" string *(SP string) ")"
r.skipSpaces();
r.readString();
r.skipSpaces();
r.readStringList();
}
if (r.readByte() != ')')
throw new ProtocolException("Missing ')' at end of Namespace");
}
};
/**
* The personal namespaces.
* May be null.
*/
public Namespace[] personal;
/**
* The namespaces for other users.
* May be null.
*/
public Namespace[] otherUsers;
/**
* The shared namespace.
* May be null.
*/
public Namespace[] shared;
/**
* Parse out all the namespaces.
*/
public Namespaces(Response r) throws ProtocolException {
personal = getNamespaces(r);
otherUsers = getNamespaces(r);
shared = getNamespaces(r);
}
/**
* Parse out one of the three sets of namespaces.
*/
private Namespace[] getNamespaces(Response r) throws ProtocolException {
r.skipSpaces();
// Namespace = nil / "(" 1*( Namespace_Element) ")"
if (r.peekByte() == '(') {
Vector v = new Vector();
r.readByte();
do {
Namespace ns = new Namespace(r);
v.addElement(ns);
} while (r.peekByte() != ')');
r.readByte();
Namespace[] nsa = new Namespace[v.size()];
v.copyInto(nsa);
return nsa;
} else {
String s = r.readAtom();
if (s == null)
throw new ProtocolException("Expected NIL, got null");
if (!s.equalsIgnoreCase("NIL"))
throw new ProtocolException("Expected NIL, got " + s);
return null;
}
}
}