/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 1997-2007 Sun Microsystems, Inc. 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.html * or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt. * Sun designates this particular file as subject to the "Classpath" exception * as provided by Sun in the GPL Version 2 section of the License file that * accompanied this code.  If applicable, add the following below the License * Header, with the fields enclosed by brackets [] replaced by your own * identifying information: "Portions Copyrighted [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. *//* * @(#)Provider.java	1.11 07/05/04 */package javax.mail;/** * The Provider is a class that describes a protocol  * implementation.  The values typically come from the * javamail.providers and javamail.default.providers * resource files.  An application may also create and * register a Provider object to dynamically add support * for a new provider. * * @version 1.11, 07/05/04 * @author Max Spivak * @author Bill Shannon */public class Provider {    /**     * This inner class defines the Provider type.     * Currently, STORE and TRANSPORT are the only two provider types      * supported.     */    public static class Type {	public static final Type STORE     = new Type("STORE");	public static final Type TRANSPORT = new Type("TRANSPORT");	private String type;	private Type(String type) {	    this.type = type;	}	public String toString() {	    return type;	}    }    private Type type;    private String protocol, className, vendor, version;    /**     * Create a new provider of the specified type for the specified     * protocol.  The specified class implements the provider.     *     * @param type      Type.STORE or Type.TRANSPORT     * @param protocol  valid protocol for the type     * @param classname class name that implements this protocol     * @param vendor    optional string identifying the vendor (may be null)     * @param version   optional implementation version string (may be null)     * @since JavaMail 1.4     */    public Provider(Type type, String protocol, String classname, 	     String vendor, String version) {	this.type = type;	this.protocol = protocol;	this.className = classname;	this.vendor = vendor;	this.version = version;    }    /** Returns the type of this Provider */    public Type getType() {	return type;    }    /** Returns the protocol supported by this Provider */    public String getProtocol() {	return protocol;    }    /** Returns name of the class that implements the protocol */    public String getClassName() {	return className;    }    /** Returns name of vendor associated with this implementation or null */    public String getVendor() {	return vendor;    }    /** Returns version of this implementation or null if no version */    public String getVersion() {	return version;    }    /** Overrides Object.toString() */    public String toString() {	String s = "javax.mail.Provider[" + type + "," +		    protocol + "," + className;	if (vendor != null)	    s += "," + vendor;	if (version != null)	    s += "," + version;	s += "]";	return s;    }}