/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1997-2009. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*
*/
/**
* InitialReference is a class which generates the INIT reference
* which can be used by the InitialReferences interface.
*/
package Orber;
public class InitialReference
{
/**
* Constructor.
*/
public InitialReference(){;}
/**
* Returns the stringified objectreference to the initial reference server
*/
public String stringified_ior(String host, int port)
{
String iorByteString;
String profileData;
String iorString;
// byte_order followed by ' {"", [{0, '
// char iorBytesFirstPart[] = {0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0};
char iorBytesFirstPart[] = {0,0,0,0,0,0,0,32,73,68,76,58,79,114,98,101,114,47,73,110,105,116,105,97,108,82,101,102,101,114,101,110,99,101,115,58,49,46,48,0,0,0,0,1,0,0,0,0};
// the objectkey "INIT
char iorBytesLastPart[] = {0,0,0,4,73,78,73,84};
// Fix the ProfileData struct.
char pdPrefix[] = {0,1,0,0};
char nullbyte[] = {0};
profileData = new String(pdPrefix) + enc_ulong(host.length() + 1) + host + new String(nullbyte);
profileData = align(profileData, 2);
profileData += enc_ushort(port);
profileData = align(profileData, 4);
profileData += new String(iorBytesLastPart);
// Fix the whole IOR
iorByteString = new String(iorBytesFirstPart) + enc_ulong(profileData.length()) +
profileData;
// System.out.print("Start[" + profileData.length() + "]");
// System.out.print("[");
// for(int x = 0; x < iorByteString.length(); x++)
// {
// System.out.print((int) iorByteString.charAt(x) + ",");
// }
// System.out.println("]");
iorString = createIOR(iorByteString);
// System.out.println(iorString);
return iorString;
}
private String enc_ushort(int s)
{
char byteArray[] = {(char) ((s >>> 8) & 0xFF),
(char) ((s >>> 0) & 0xFF)};
return new String(byteArray);
}
private String enc_ulong(int l)
{
char byteArray[] = {(char) ((l >>> 24) & 0xFF),
(char) ((l >>> 16) & 0xFF),
(char) ((l >>> 8) & 0xFF),
(char) ((l >>> 0) & 0xFF)};
return new String(byteArray);
}
private String createIOR(String bytes)
{
int i;
StringBuffer sb = new StringBuffer("IOR:");
for(i = 0; i < bytes.length(); i++)
{
int b = bytes.charAt(i);
if(b<0) b+= 256;
int n1 = b / 16;
int n2 = b % 16;
int c1 = (n1 < 10) ? ('0' + n1) : ('a' + (n1 - 10));
int c2 = (n2 < 10) ? ('0' + n2) : ('a' + (n2 - 10));
sb.append((char)c1);
sb.append((char)c2);
}
return sb.toString();
}
private String align(String buffer, int alignment)
{
String s = buffer;
char nullbyte[] = {0};
int remainder = alignment - (buffer.length() % alignment);
if (remainder == alignment) return s;
for (int i = 0; i < remainder; i++)
{
s += new String(nullbyte);
}
return s;
}
}
