/*
* 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.
*/
/**
* @author Mikhail A. Markov
*/
package java.rmi.server;
import java.io.Serializable;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.rmi.MarshalException;
import java.rmi.NoSuchObjectException;
import java.rmi.Remote;
import java.rmi.UnmarshalException;
import org.apache.harmony.rmi.common.RMIUtil;
import org.apache.harmony.rmi.internal.nls.Messages;
import org.apache.harmony.rmi.server.ExportManager;
/**
* @com.intel.drl.spec_ref
*
* @author Mikhail A. Markov
*/
public abstract class RemoteObject implements Remote, Serializable {
private static final long serialVersionUID = -3215090123894869218L;
/** @com.intel.drl.spec_ref */
protected transient RemoteRef ref;
/**
* @com.intel.drl.spec_ref
*/
protected RemoteObject() {
ref = null;
}
/**
* @com.intel.drl.spec_ref
*/
protected RemoteObject(RemoteRef ref) {
this.ref = ref;
}
/**
* @com.intel.drl.spec_ref
*/
public RemoteRef getRef() {
return ref;
}
/**
* @com.intel.drl.spec_ref
*/
public String toString() {
String clName = RMIUtil.getShortName(getClass());
return (ref == null) ? clName
: clName + "[" + ref.remoteToString() + "]"; //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* @com.intel.drl.spec_ref
*/
public boolean equals(Object obj) {
if (!(obj instanceof RemoteObject)) {
return (obj == null) ? false : obj.equals(this);
}
if (ref != null) {
return ref.remoteEquals(((RemoteObject) obj).ref);
}
return (this == obj);
}
/**
* @com.intel.drl.spec_ref
*/
public int hashCode() {
return (ref != null) ? ref.remoteHashCode() : super.hashCode();
}
/**
* @com.intel.drl.spec_ref
*/
public static Remote toStub(Remote obj) throws NoSuchObjectException {
if (obj instanceof RemoteStub) {
return (RemoteStub) obj;
}
return ExportManager.getStub(obj);
}
/**
* @com.intel.drl.spec_ref
*/
private void writeObject(ObjectOutputStream out)
throws IOException {
if (ref == null) {
// rmi.17=Invalid remote object: RemoteRef = null
throw new MarshalException(Messages.getString("rmi.17")); //$NON-NLS-1$
}
String refType = ref.getRefClass(out);
if (refType != null && refType.length() != 0) {
out.writeUTF(refType);
ref.writeExternal(out);
} else {
out.writeUTF(""); //$NON-NLS-1$
out.writeObject(ref);
}
}
/**
* @com.intel.drl.spec_ref
*/
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException {
String refName = null;
try {
refName = in.readUTF();
if (refName.length() == 0) {
// read RemoteRef object
ref = (RemoteRef) in.readObject();
return;
}
// well-known RemoteRef types
// TODO: the following line is a temporary solution. Line after
// that should be uncommented later.
String refClName = "org.apache.harmony.rmi.remoteref." + refName; //$NON-NLS-1$
//String refClName = RemoteRef.packagePrefix + "." + refName;
ref = ((RemoteRef) Class.forName(refClName).newInstance());
ref.readExternal(in);
} catch (Exception ex) {
// rmi.18=Unable to create RemoteRef instance
throw new UnmarshalException(Messages.getString("rmi.18"), ex);//$NON-NLS-1$
}
}
}