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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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 *

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package javax.xml.soap;

/**

 * A point-to-point connection that a client can use for sending messages

 * directly to a remote party (represented by a URL, for instance).

 * <p>

 * The SOAPConnection class is optional. Some implementations may

 * not implement this interface in which case the call to

 * <code>SOAPConnectionFactory.newInstance()</code> (see below) will

 * throw an <code>UnsupportedOperationException</code>.

 * <p>

 * A client can obtain a <code>SOAPConnection</code> object using a

 * {@link SOAPConnectionFactory} object as in the following example:

 * <PRE>

 *      SOAPConnectionFactory factory = SOAPConnectionFactory.newInstance();

 *      SOAPConnection con = factory.createConnection();

 * </PRE>

 * A <code>SOAPConnection</code> object can be used to send messages

 * directly to a URL following the request/response paradigm.  That is,

 * messages are sent using the method <code>call</code>, which sends the

 * message and then waits until it gets a reply.

 */

public abstract class SOAPConnection {

    /**

     * Sends the given message to the specified endpoint and blocks until

     * it has returned the response.

     *

     * @param request the <code>SOAPMessage</code> object to be sent

     * @param to an <code>Object</code> that identifies

     *         where the message should be sent. It is required to

     *         support Objects of type

     *         <code>java.lang.String</code>,

     *         <code>java.net.URL</code>, and when JAXM is present

     *         <code>javax.xml.messaging.URLEndpoint</code>

     *

     * @return the <code>SOAPMessage</code> object that is the response to the

     *         message that was sent

     * @throws SOAPException if there is a SOAP error

     */

    public abstract SOAPMessage call(SOAPMessage request,

                                     Object to) throws SOAPException;

    /**

     * Gets a message from a specific endpoint and blocks until it receives,

     *

     * @param to an <code>Object</code> that identifies where

     *                  the request should be sent. Objects of type

     *                 <code>java.lang.String</code> and

     *                 <code>java.net.URL</code> must be supported.

     *

     * @return the <code>SOAPMessage</code> object that is the response to the

     *                  get message request

     * @throws SOAPException if there is a SOAP error

     */

    public SOAPMessage get(Object to)

                                throws SOAPException {

        throw new UnsupportedOperationException("All subclasses of SOAPConnection must override get()");

    }

    /**

     * Closes this <code>SOAPConnection</code> object.

     *

     * @throws SOAPException if there is a SOAP error

     */

    public abstract void close()

        throws SOAPException;

}