Version
/*
* Version.java
*
* Version object for maintaining an application version. Used for version checking over the internet.
*
* @author Guy Wittig
* @version 18-Jun-2006
*
* This program is part of MV-Plan
* Copywrite 2006 Guy Wittig
*
* 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.
*
* The GNU General Public License can be read at http://www.gnu.org/licenses/licenses.html
*/
//package mvplan.util;
import java.util.HashMap;
public class Version implements Comparable<Version> {
private int majorVersion;
private int minorVersion;
private int patchVersion;
private String statusString;
private String dateString;
private HashMap lookupTable;
public static final int UNDEFINED = 0;
public static final int TEST = 10;
public static final int ALPHA = 20;
public static final int BETA = 30;
public static final int RELEASED = 100;
/** Creates a new instance of Version */
public Version() {
this(0, 0, 0, "UNDEFINED", "");
}
public Version(int major, int minor, int patch, String status, String date) {
// Create hashmap
lookupTable = new HashMap();
lookupTable.put("UNDEFINED", new Integer(0));
lookupTable.put("TEST", new Integer(1));
lookupTable.put("ALPHA", new Integer(2));
lookupTable.put("BETA", new Integer(3));
lookupTable.put("RELEASED", new Integer(4));
// Initialise fields
majorVersion = major;
minorVersion = minor;
patchVersion = patch;
setStatus(status);
dateString = date;
}
public String toString() {
String s = majorVersion + "." + minorVersion;
if (patchVersion > 0)
s = s + "." + patchVersion;
if (!statusString.equals("RELEASED"))
s = s + " " + statusString;
// if(dateString.length()>0) s=s+" "+dateString;
return s;
}
// * Compares two status strings based on their status numbers in the
// hashtable */
private int compareStatus(String s1, String s2) {
Integer n1 = (Integer) lookupTable.get(s1);
Integer n2 = (Integer) lookupTable.get(s2);
if (n1 == null || n2 == null)
return -1;
return n1 - n2;
}
public int compareTo(Version v) {
if (v.getMajorVersion() == majorVersion)
if (v.getMinorVersion() == minorVersion)
if (compareStatus(v.getStatus(), statusString) == 0)
// if(v.getPatchVersion()==patchVersion)
return v.getPatchVersion() - patchVersion;
// return compareStatus(v.getStatus(),statusString);
else
return compareStatus(v.getStatus(), statusString);
// else return v.getPatchVersion()-patchVersion;
else
return v.getMinorVersion() - minorVersion;
else
return v.getMajorVersion() - majorVersion;
}
public int getMajorVersion() {
return majorVersion;
}
public void setMajorVersion(int majorVersion) {
this.majorVersion = (majorVersion >= 0) ? majorVersion : 0;
}
public int getMinorVersion() {
return minorVersion;
}
public void setMinorVersion(int minorVersion) {
this.minorVersion = (minorVersion >= 0) ? minorVersion : 0;
}
public int getPatchVersion() {
return patchVersion;
}
public void setPatchVersion(int patchVersion) {
this.patchVersion = (patchVersion >= 0) ? patchVersion : 0;
}
public Object[] getLookupTable() {
return lookupTable.keySet().toArray();
}
public String getStatus() {
return statusString;
}
public void setStatus(String status) {
if (lookupTable.get(status.toUpperCase()) != null)
statusString = status.toUpperCase();
else
statusString = "UNKNOWN";
}
public String getDateString() {
return dateString;
}
public void setDateString(String dateString) {
this.dateString = dateString;
}
}
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