001    // Copyright 2007, 2011 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    // http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.ioc.internal;
016    
017    import java.io.InvalidObjectException;
018    import java.io.ObjectStreamException;
019    import java.io.Serializable;
020    
021    /**
022     * Token that replaces a service proxy when the proxy is serialized.
023     */
024    public class ServiceProxyToken implements Serializable
025    {
026        private static final long serialVersionUID = 4119675138731356650L;
027    
028        private final String serviceId;
029    
030        public ServiceProxyToken(String serviceId)
031        {
032            this.serviceId = serviceId;
033        }
034    
035        Object readResolve() throws ObjectStreamException
036        {
037            try
038            {
039                return SerializationSupport.readResolve(serviceId);
040            }
041            catch (Exception ex)
042            {
043                ObjectStreamException ose = new InvalidObjectException(ex.getMessage());
044                ose.initCause(ex);
045    
046                throw ose;
047            }
048        }
049    
050    }