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/*
========== licence begin GPL
Copyright (C) 2002-2003 SAP AG
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
========== licence end
*/
package com.sap.dbtech.util;
public class VersionInfo
{
private int majorVersion = 7;
private int minorVersion = 4;
private int clVersion = 4; //Correction Level
private int plVersion = 0; //Patch Level
private String buildNumber = "Build 000-000-000-000"; //build number string;
private String packagePrefix = "";
public VersionInfo (int amajorVersion,
int aminorVersion,
int aclVersion,
int aplVersion,
String aBuildNumber ) {
this.majorVersion = amajorVersion;
this.minorVersion = aminorVersion;
this.clVersion = aclVersion;
this.plVersion = aplVersion;
this.buildNumber = aBuildNumber;
}
public VersionInfo (
String packageName,
String defaultString)
{
StringBuffer result = new StringBuffer ();
Package p;
try {
p = Package.getPackage (packageName);
if (p != null) {
result.append ("package ");
result.append (p.getName ());
result.append (", ");
result.append (p.getImplementationTitle ());
result.append (", ");
result.append (p.getImplementationVendor ());
result.append (", ");
this.packagePrefix=result.toString ();
parseVersion (p.getImplementationVersion ());
}
}
catch (Exception exc) {
this.packagePrefix = defaultString;
}
}
public void parseVersion (String VersionString) {
/*parser assumes a synthax of VersionString like "7.4.2 Build 000-000-000-000 "*/
int startpos=0, endpos=0, curpos=0;
// while (! Character.isSpaceChar(VersionString.charAt(curpos)))
// curpos++;
while ( Character.isSpaceChar(VersionString.charAt(curpos)))
curpos++;
startpos = curpos;
while ( VersionString.charAt(curpos) != '.')
curpos++;
endpos = curpos;
this.majorVersion = Integer.parseInt(VersionString.substring(startpos, endpos));
startpos = ++curpos;
while ( VersionString.charAt(curpos) != '.')
curpos++;
endpos = curpos;
this.minorVersion = Integer.parseInt(VersionString.substring(startpos, endpos));
startpos = ++curpos;
while (! Character.isSpaceChar(VersionString.charAt(curpos)))
curpos++;
endpos = curpos;
this.clVersion = Integer.parseInt(VersionString.substring(startpos, endpos));
while ( Character.isSpaceChar(VersionString.charAt(curpos)))
curpos++;
this.buildNumber = VersionString.substring(curpos);
while (! Character.isSpaceChar(VersionString.charAt(curpos)))
curpos++;
while ( Character.isSpaceChar(VersionString.charAt(curpos)))
curpos++;
startpos = curpos;
while ( VersionString.charAt(curpos) != '-')
curpos++;
endpos = curpos;
String myString = VersionString.substring(startpos, endpos);
this.plVersion = Integer.parseInt(VersionString.substring(startpos, endpos));
}
public int getMajorVersion (){
return this.majorVersion;
}
public int getMinorVersion (){
return this.minorVersion;
}
public int getMinorMinorVersion (){
return this.clVersion;
}
public int getCorrectionLevel (){
return this.plVersion;
}
public String getVersionName (){
return this.buildNumber;
}
public String getPackagePrefix (){
return this.packagePrefix;
}
public String
toString ()
{
StringBuffer result = new StringBuffer();
result.append(this.packagePrefix);
result.append(this.majorVersion);
result.append('.');
result.append(this.minorVersion);
result.append('.');
result.append(this.clVersion);
result.append(" ");
result.append(this.buildNumber);
return result.toString();
}
}
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