/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfishjava.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
 * [name of copyright owner]"
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 * Contributor(s):
 *
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package hudson.util;

import java.util.Locale;
import java.util.StringTokenizer;

/**
 * Immutable representation of a dot or '-'-separated digits (such as "1.0.1" or "1.0-52").
 *
 * {@link VersionNumber}s are {@link Comparable}.
 *
 * <h2>Special tokens</h2>
 * <p>
 * We allow a component to be not just a number, but also "ea", "ea1", "ea2".
 * "ea" is treated as "ea0", and eaN &lt; M for any M > 0.
 *
 * <p>
 * '*' is also allowed as a component, and '*' > M for any M > 0.
 *
 * <p>
 * 'SNAPSHOT' is also allowed as a component, and "N.SNAPSHOT" is interpreted as "N-1.*"
 *
 * <pre>
 * 2.0.* > 2.0.1 > 2.0.1-SNAPSHOT > 2.0.0.99 > 2.0.0 > 2.0.ea > 2.0
 * </pre>
 *
 * @author
 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 * @since 1.139
 */
public class VersionNumber implements Comparable<VersionNumber> {
    private final int[] digits;

    /**
     * Parses a string like "1.0.2" into the version number.
     *
     * @throws IllegalArgumentException
     *      if the parsing fails.
     */
    public VersionNumber( String num ) {
        StringTokenizer tokens = new StringTokenizer(num,".-");
        digits = new int[tokens.countTokens()];
        if(digits.length<2)
            throw new IllegalArgumentException("Failed to parse "+num+" as version number");

        int i=0;
        while( tokens.hasMoreTokens() ) {
            String token = tokens.nextToken().toLowerCase(Locale.ENGLISH);
            if(token.equals("*")) {
                digits[i++] = 1000;
            } else
            if(token.startsWith("snapshot")) {
                digits[i-1]--;
                digits[i++] = 1000;
                break;
            } else
            if(token.startsWith("ea")) {
                if(token.length()==2)
                    digits[i++] = -1000;    // just "ea"
                else
                    digits[i++] = -1000 + Integer.parseInt(token.substring(2)); // "eaNNN"
            } else {
                digits[i++] = Integer.parseInt(token);
            }
        }
    }

    public int digit(int idx) {
        return digits[idx];
    }

    @Override
    public String toString() {
        StringBuffer buf = new StringBuffer();
        for( int i=0; i<digits.length; i++ ) {
            if(i!=0)    buf.append('.');
            buf.append( Integer.toString(digits[i]) );
        }
        return buf.toString();
    }

    public boolean isOlderThan( VersionNumber rhs ) {
        return compareTo(rhs)<0;
    }

    public boolean isNewerThan( VersionNumber rhs ) {
        return compareTo(rhs)>0;
    }


    @Override
    public boolean equals( Object o ) {
        if (!(o instanceof VersionNumber))  return false;
        return compareTo((VersionNumber)o)==0;
    }

    @Override
    public int hashCode() {
        int x=0;
        for (int i : digits)
            x = (x << 1) | i;
        return x;
    }

    public int compareTo(VersionNumber rhs) {
        for( int i=0; ; i++ ) {
            if( i==this.digits.length && i==rhs.digits.length )
                return 0;   // equals
            if( i==this.digits.length )
                return -1;  // rhs is larger
            if( i==rhs.digits.length )
                return 1;

            int r = this.digits[i] - rhs.digits[i];
            if(r!=0)    return r;
        }
    }
}

@@ -472,16 +472,21 @@
 lassfish
+.dev.
 java.net
@@ -1955,33 +1955,8 @@
 l;%0A%0A
-import java.util.Locale;%0A
 impo
@@ -3314,22 +3314,8 @@
 ase(
-Locale.ENGLISH
 );%0A 
@@ -3845,27 +3845,69 @@
         
-digits%5Bi++%5D
+int n =0;%0A                try %7B%0A                    n
  = Integ
@@ -3930,33 +3930,71 @@
 n);%0A            
-%7D
+    %7D catch (NumberFormatException e) %7B
 %0A        %7D%0A    %7D
@@ -3990,48 +3990,47 @@
     
-%7D%0A
     
-%7D%0A%0A
     
-public int digit(int idx) %7B
+    // ignore%0A                %7D
 %0A   
@@ -4034,22 +4034,23 @@
         
-return
+       
  digits%5B
@@ -4054,12 +4054,40 @@
 ts%5Bi
-dx%5D;
+++%5D = n;%0A            %7D%0A        %7D
 %0A   
@@ -4151,18 +4151,19 @@
 StringBu
-ff
+ild
 er buf =
@@ -4179,10 +4179,11 @@
 ngBu
-ff
+ild
 er()

Fix issue with BETA in the version Number