src/java/org/apache/commons/proxy/provider/HessianProvider.java

/* $Id$
 *
 * Copyright 2005 The Apache Software Foundation.
 *
 * Licensed 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 org.apache.commons.proxy.provider;

import com.caucho.hessian.client.HessianProxyFactory;
import org.apache.commons.proxy.exception.ObjectProviderException;
import org.apache.commons.proxy.ObjectProvider;

import java.net.MalformedURLException;

/**
 * Provides a hessian service object.
 *
 * @author James Carman
 * @version 1.0
 */
public class HessianProvider implements ObjectProvider
{
//----------------------------------------------------------------------------------------------------------------------
// Fields
//----------------------------------------------------------------------------------------------------------------------

    private final Class serviceInterface;
    private final String url;

//----------------------------------------------------------------------------------------------------------------------
// Constructors
//----------------------------------------------------------------------------------------------------------------------

    public HessianProvider( Class serviceInterface, String url )
    {
        this.serviceInterface = serviceInterface;
        this.url = url;
    }

//----------------------------------------------------------------------------------------------------------------------
// ObjectProvider Implementation
//----------------------------------------------------------------------------------------------------------------------

    public Object getObject()
    {
        try
        {
            return new HessianProxyFactory().create( serviceInterface, url );
        }
        catch( MalformedURLException e )
        {
            throw new ObjectProviderException( "Invalid url given.", e );
        }
    }
}