org.xins.server.Library Maven / Gradle / Ivy
/*
* $Id: Library.java,v 1.43 2007/03/16 09:55:00 agoubard Exp $
*
* Copyright 2003-2007 Orange Nederland Breedband B.V.
* See the COPYRIGHT file for redistribution and use restrictions.
*/
package org.xins.server;
import org.apache.oro.text.regex.Pattern;
import org.apache.oro.text.regex.Perl5Matcher;
import org.xins.common.text.PatternUtils;
/**
* Class that represents the XINS/Java Server Framework library.
*
* @version $Revision: 1.43 $ $Date: 2007/03/16 09:55:00 $
* @author Ernst de Haan
*
* @since XINS 1.0.0
*/
public final class Library {
/**
* Regular expression that production release versions of XINS match, and
* non-production release version do not.
*/
private static final String PRODUCTION_RELEASE_PATTERN_STRING = "[1-9][0-9]*\\.[0-9]+(\\.[0-9]+)?";
/**
* The pattern for a URL.
*/
private static final Pattern PRODUCTION_RELEASE_PATTERN =
PatternUtils.createPattern(PRODUCTION_RELEASE_PATTERN_STRING);
/**
* Constructs a new Library object.
*/
private Library() {
// empty
}
/**
* Returns the version of this library.
*
* @return
* the version of this library, for example "1.0.0",
* never null.
*/
public static final String getVersion() {
return "%%VERSION%%";
}
/**
* Checks if the specified version indicates a production release of XINS.
*
* @param version
* the XINS version to check, cannot be null.
*
* @return
* true is the specified XINS version identifies a
* production release of XINS, false if it does not.
*
* @throws NullPointerException
* if version == null.
*/
static final boolean isProductionRelease(String version)
throws NullPointerException {
Perl5Matcher patternMatcher = new Perl5Matcher();
return patternMatcher.matches(version, PRODUCTION_RELEASE_PATTERN);
}
}