org.objectstyle.cayenne.remote.hessian.HessianProxyFactory Maven / Gradle / Ivy

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/* ====================================================================
 * 
 * The ObjectStyle Group Software License, version 1.1
 * ObjectStyle Group - http://objectstyle.org/
 * 
 * Copyright (c) 2002-2005, Andrei (Andrus) Adamchik and individual authors
 * of the software. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The end-user documentation included with the redistribution, if any,
 *    must include the following acknowlegement:
 *    "This product includes software developed by independent contributors
 *    and hosted on ObjectStyle Group web site (http://objectstyle.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 * 
 * 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse
 *    or promote products derived from this software without prior written
 *    permission. For written permission, email
 *    "andrus at objectstyle dot org".
 * 
 * 5. Products derived from this software may not be called "ObjectStyle"
 *    or "Cayenne", nor may "ObjectStyle" or "Cayenne" appear in their
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 * 
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 * SUCH DAMAGE.
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by many
 * individuals and hosted on ObjectStyle Group web site.  For more
 * information on the ObjectStyle Group, please see
 * .
 */
package org.objectstyle.cayenne.remote.hessian;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;

import org.objectstyle.cayenne.remote.RemoteSession;

/**
 * A proxy factory that handles HTTP sessions.
 * 
 * @author Andrus Adamchik
 * @since 1.2
 */
class HessianProxyFactory extends com.caucho.hessian.client.HessianProxyFactory {

    static final String SESSION_COOKIE_NAME = "JSESSIONID";

    private HessianConnection clientConnection;

    HessianProxyFactory(HessianConnection clientConnection) {
        this.clientConnection = clientConnection;
    }

    protected URLConnection openConnection(URL url) throws IOException {
        URLConnection connection = super.openConnection(url);

        // unfortunately we can't read response cookies without completely reimplementing
        // 'HessianProxy.invoke()'. Currently (3.0.13) it doesn't allow to cleanly
        // intercept response... so extract session id from the RemoteSession....

        // add session cookie
        RemoteSession session = clientConnection.getSession();
        if (session != null && session.getSessionId() != null) {
            connection.setRequestProperty("Cookie", SESSION_COOKIE_NAME
                    + "="
                    + session.getSessionId());
        }

        return connection;
    }
}