/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package javax.mail;

/**
 * @version $Rev$ $Date$
 */
public class Provider {
    /**
     * A enumeration inner class that defines Provider types.
     */
    public static class Type {
        /**
         * A message store provider such as POP3 or IMAP4.
         */
        public static final Type STORE = new Type();

        /**
         * A message transport provider such as SMTP.
         */
        public static final Type TRANSPORT = new Type();

        private Type() {
        }
    }

    private final String className;
    private final String protocol;
    private final Type type;
    private final String vendor;
    private final String version;

    public Provider(Type type, String protocol, String className, String vendor, String version) {
        this.protocol = protocol;
        this.className = className;
        this.type = type;
        this.vendor = vendor;
        this.version = version;
    }

    public String getClassName() {
        return className;
    }

    public String getProtocol() {
        return protocol;
    }

    public Type getType() {
        return type;
    }

    public String getVendor() {
        return vendor;
    }

    public String getVersion() {
        return version;
    }

    public String toString() {
        return "protocol="
                + protocol
                + "; type="
                + type
                + "; class="
                + className
                + (vendor == null ? "" : "; vendor=" + vendor)
                + (version == null ? "" : ";version=" + version);
    }
}