diff options
Diffstat (limited to 'lib/orber/java_src/Orber/InitialReference.java')
-rw-r--r-- | lib/orber/java_src/Orber/InitialReference.java | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/lib/orber/java_src/Orber/InitialReference.java b/lib/orber/java_src/Orber/InitialReference.java new file mode 100644 index 0000000000..300de59139 --- /dev/null +++ b/lib/orber/java_src/Orber/InitialReference.java @@ -0,0 +1,130 @@ +/* + * %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; + } + + +} |