/*
* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* Licensed Materials - Property of IBM
* RMI-IIOP v1.0
* Copyright IBM Corp. 1998 1999 All Rights Reserved
*
*/
package org.jboss.com.sun.corba.se.impl.ior;
import java.io.IOException;
import java.io.ObjectOutputStream;
import org.omg.CORBA.ORB;
import org.omg.CORBA.portable.Delegate;
import org.omg.CORBA.portable.InputStream;
import org.omg.CORBA.portable.OutputStream;
import org.jboss.com.sun.corba.se.spi.presentation.rmi.StubAdapter;
/**
* This class implements a very simply IOR representation which must be completely ORBImpl free so that this class can
* be used in the implementation of a portable StubDelegateImpl.
*/
public class StubIORImpl
{
// cached hash code
private int hashCode;
// IOR components
private byte[] typeData;
private int[] profileTags;
private byte[][] profileData;
public StubIORImpl()
{
hashCode = 0;
typeData = null;
profileTags = null;
profileData = null;
}
public String getRepositoryId()
{
if (typeData == null)
return null;
return new String(typeData);
}
public StubIORImpl(org.omg.CORBA.Object obj)
{
// write the IOR to an OutputStream and get an InputStream
OutputStream ostr = StubAdapter.getORB(obj).create_output_stream();
ostr.write_Object(obj);
InputStream istr = ostr.create_input_stream();
// read the IOR components back from the stream
int typeLength = istr.read_long();
typeData = new byte[typeLength];
istr.read_octet_array(typeData, 0, typeLength);
int numProfiles = istr.read_long();
profileTags = new int[numProfiles];
profileData = new byte[numProfiles][];
for (int i = 0; i < numProfiles; i++)
{
profileTags[i] = istr.read_long();
profileData[i] = new byte[istr.read_long()];
istr.read_octet_array(profileData[i], 0, profileData[i].length);
}
}
public Delegate getDelegate(ORB orb)
{
// write the IOR components to an org.omg.CORBA.portable.OutputStream
OutputStream ostr = orb.create_output_stream();
ostr.write_long(typeData.length);
ostr.write_octet_array(typeData, 0, typeData.length);
ostr.write_long(profileTags.length);
for (int i = 0; i < profileTags.length; i++)
{
ostr.write_long(profileTags[i]);
ostr.write_long(profileData[i].length);
ostr.write_octet_array(profileData[i], 0, profileData[i].length);
}
InputStream istr = ostr.create_input_stream();
// read the IOR back from the stream
org.omg.CORBA.Object obj = istr.read_Object();
return StubAdapter.getDelegate(obj);
}
public void doRead(java.io.ObjectInputStream stream) throws IOException, ClassNotFoundException
{
// read the IOR from the ObjectInputStream
int typeLength = stream.readInt();
typeData = new byte[typeLength];
stream.readFully(typeData);
int numProfiles = stream.readInt();
profileTags = new int[numProfiles];
profileData = new byte[numProfiles][];
for (int i = 0; i < numProfiles; i++)
{
profileTags[i] = stream.readInt();
profileData[i] = new byte[stream.readInt()];
stream.readFully(profileData[i]);
}
}
public void doWrite(ObjectOutputStream stream) throws IOException
{
// write the IOR to the ObjectOutputStream
stream.writeInt(typeData.length);
stream.write(typeData);
stream.writeInt(profileTags.length);
for (int i = 0; i < profileTags.length; i++)
{
stream.writeInt(profileTags[i]);
stream.writeInt(profileData[i].length);
stream.write(profileData[i]);
}
}
/**
* Returns a hash code value for the object which is the same for all stubs that represent the same remote object.
*
* @return the hash code value.
*/
public synchronized int hashCode()
{
if (hashCode == 0)
{
// compute the hash code
for (int i = 0; i < typeData.length; i++)
{
hashCode = hashCode * 37 + typeData[i];
}
for (int i = 0; i < profileTags.length; i++)
{
hashCode = hashCode * 37 + profileTags[i];
for (int j = 0; j < profileData[i].length; j++)
{
hashCode = hashCode * 37 + profileData[i][j];
}
}
}
return hashCode;
}
private boolean equalArrays(int[] data1, int[] data2)
{
if (data1.length != data2.length)
return false;
for (int ctr = 0; ctr < data1.length; ctr++)
{
if (data1[ctr] != data2[ctr])
return false;
}
return true;
}
private boolean equalArrays(byte[] data1, byte[] data2)
{
if (data1.length != data2.length)
return false;
for (int ctr = 0; ctr < data1.length; ctr++)
{
if (data1[ctr] != data2[ctr])
return false;
}
return true;
}
private boolean equalArrays(byte[][] data1, byte[][] data2)
{
if (data1.length != data2.length)
return false;
for (int ctr = 0; ctr < data1.length; ctr++)
{
if (!equalArrays(data1[ctr], data2[ctr]))
return false;
}
return true;
}
public boolean equals(java.lang.Object obj)
{
if (this == obj)
{
return true;
}
if (!(obj instanceof StubIORImpl))
{
return false;
}
StubIORImpl other = (StubIORImpl) obj;
if (other.hashCode() != this.hashCode())
{
return false;
}
return equalArrays(typeData, other.typeData) && equalArrays(profileTags, other.profileTags)
&& equalArrays(profileData, other.profileData);
}
private void appendByteArray(StringBuffer result, byte[] data)
{
for (int ctr = 0; ctr < data.length; ctr++)
{
result.append(Integer.toHexString(data[ctr]));
}
}
/**
* Returns a string representation of this stub. Returns the same string for all stubs that represent the same
* remote object. "SimpleIORImpl[<typeName>,[<profileID>]data, ...]"
*
* @return a string representation of this stub.
*/
public String toString()
{
StringBuffer result = new StringBuffer();
result.append("SimpleIORImpl[");
String repositoryId = new String(typeData);
result.append(repositoryId);
for (int ctr = 0; ctr < profileTags.length; ctr++)
{
result.append(",(");
result.append(profileTags[ctr]);
result.append(")");
appendByteArray(result, profileData[ctr]);
}
result.append("]");
return result.toString();
}
}