/*
* 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 com.sun.jini.test.share.reggie;
import net.jini.core.lookup.*;
import java.rmi.MarshalledObject;
import java.rmi.MarshalException;
import java.rmi.RemoteException;
import java.rmi.NoSuchObjectException;
import java.rmi.Remote;
import java.rmi.server.RemoteObject;
import java.io.IOException;
import java.util.ArrayList;
/**
* An Item contains the fields of a ServiceItem packaged up for
* transmission between client-side proxies and the registrar server.
* Instances are never visible to clients, they are private to the
* communication between the proxies and the server.
* <p>
* This class only has a bare minimum of methods, to minimize
* the amount of code downloaded into clients.
*
* @author Sun Microsystems, Inc.
*
*/
class Item implements java.io.Serializable, Cloneable {
private static final long serialVersionUID = -1287024425418765730L;
/**
* ServiceItem.serviceID.
*
* @serial
*/
public ServiceID serviceID;
/**
* The Class of ServiceItem.service converted to ServiceType.
*
* @serial
*/
public ServiceType serviceType;
/**
* The codebase of the service object.
*
* @serial
*/
public String codebase;
/**
* ServiceItem.service as a MarshalledObject.
*
* @serial
*/
public MarshalledObject service;
/**
* ServiceItem.attributeSets converted to EntryReps.
*
* @serial
*/
public EntryRep[] attributeSets;
/**
* Converts a ServiceItem to an Item. Any exception that results
* is bundled up into a MarshalException.
*/
public Item(ServiceItem item) throws RemoteException {
Object svc = item.service;
if (svc instanceof Remote) {
try {
svc = RemoteObject.toStub((Remote)svc);
} catch (NoSuchObjectException e) {
}
}
serviceID = item.serviceID;
ServiceTypeBase stb = ClassMapper.toServiceTypeBase(svc.getClass());
serviceType = stb.type;
codebase = stb.codebase;
try {
service = new MarshalledObject(svc);
} catch (IOException e) {
throw new MarshalException("error marshalling arguments", e);
}
attributeSets = EntryRep.toEntryRep(item.attributeSets, true);
}
/**
* Convert back to a ServiceItem. If the service object cannot be
* constructed, it is set to null. If an Entry cannot be constructed,
* it is set to null. If a field of an Entry cannot be unmarshalled,
* it is set to null.
*/
public ServiceItem get() {
Object obj = null;
try {
obj = service.get();
} catch (Throwable e) {
RegistrarProxy.handleException(e);
}
return new ServiceItem(serviceID,
obj,
EntryRep.toEntry(attributeSets));
}
/**
* Deep clone. This is really only needed in the server,
* but it's very convenient to have here.
*/
public Object clone() {
try {
Item item = (Item)super.clone();
EntryRep[] attrSets = (EntryRep[])item.attributeSets.clone();
for (int i = attrSets.length; --i >= 0; ) {
attrSets[i] = (EntryRep)attrSets[i].clone();
}
item.attributeSets = attrSets;
return item;
} catch (CloneNotSupportedException e) {
throw new InternalError();
}
}
/**
* Converts an ArrayList of Item to an array of ServiceItem.
*/
public static ServiceItem[] toServiceItem(ArrayList reps)
{
ServiceItem[] items = null;
if (reps != null) {
items = new ServiceItem[reps.size()];
for (int i = items.length; --i >= 0; ) {
items[i] = ((Item)reps.get(i)).get();
}
}
return items;
}
}