/*
 * 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.xml.rpc;

import javax.xml.namespace.QName;
import java.net.URL;

/**
 * The <code>javax.xml.rpc.ServiceFactory</code> is an abstract class
 * that provides a factory for the creation of instances of the type
 * <code>javax.xml.rpc.Service</code>. This abstract class follows the
 * abstract static factory design pattern. This enables a J2SE based
 * client to create a <code>Service instance</code> in a portable manner
 * without using the constructor of the <code>Service</code>
 * implementation class.
 * <p>
 * The ServiceFactory implementation class is set using the
 * system property <code>SERVICEFACTORY_PROPERTY</code>.
 *
 * @version $Rev$ $Date$
 */
public abstract class ServiceFactory {

    /** Protected constructor. */
    protected ServiceFactory() {}

    /**
     * A constant representing the property used to lookup the
     * name of a <code>ServiceFactory</code> implementation
     * class.
     */
    public static final java.lang.String SERVICEFACTORY_PROPERTY =
        "javax.xml.rpc.ServiceFactory";

    /**
     * Gets an instance of the <code>ServiceFactory</code>
     *
     * <p>Only one copy of a factory exists and is returned to the
     * application each time this method is called.
     *
     * <p> The implementation class to be used can be overridden by
     * setting the javax.xml.rpc.ServiceFactory system property.
     *
     * @return  ServiceFactory.
     * @throws  ServiceException
     */
    public static ServiceFactory newInstance() throws ServiceException {

        try {
            return (ServiceFactory) FactoryFinder.find(
                /* The default property name according to the JAXRPC spec */
                ServiceFactory.class,
                /* The fallback implementation class name */
                "org.apache.axis.client.ServiceFactory");
        } catch (FactoryFinder.ConfigurationError e) {
            throw new ServiceException(e.getException());
        }
    }

    /**
     * Create a <code>Service</code> instance.
     *
     * @param   wsdlDocumentLocation URL for the WSDL document location
     * @param   serviceName  QName for the service.
     * @return  Service.
     * @throws  ServiceException If any error in creation of the
     *                specified service
     */
    public abstract Service createService(
        URL wsdlDocumentLocation, QName serviceName) throws ServiceException;

    /**
     * Create a <code>Service</code> instance.
     *
     * @param   serviceName QName for the service
     * @return  Service.
     * @throws  ServiceException If any error in creation of the specified service
     */
    public abstract Service createService(QName serviceName)
        throws ServiceException;

    public abstract Service loadService(java.lang.Class class1)
                             throws ServiceException;

    public abstract Service loadService(java.net.URL url,
                                    java.lang.Class class1,
                                    java.util.Properties properties)
                             throws ServiceException;

    public abstract Service loadService(java.net.URL url,
                                    QName qname,
                                    java.util.Properties properties)
                             throws ServiceException;
}