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/*
This file is part of Subsonic.
Subsonic 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 3 of the License, or
(at your option) any later version.
Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package github.daneren2005.subphonic.domain;
/**
* Represents the version number of the Subsonic Android app.
*
* @author Sindre Mehus
* @version $Revision: 1.3 $ $Date: 2006/01/20 21:25:16 $
*/
public class Version implements Comparable<Version> {
private int major;
private int minor;
private int beta;
private int bugfix;
/**
* Creates a new version instance by parsing the given string.
* @param version A string of the format "1.27", "1.27.2" or "1.27.beta3".
*/
public Version(String version) {
String[] s = version.split("\\.");
major = Integer.valueOf(s[0]);
minor = Integer.valueOf(s[1]);
if (s.length > 2) {
if (s[2].contains("beta")) {
beta = Integer.valueOf(s[2].replace("beta", ""));
} else {
bugfix = Integer.valueOf(s[2]);
}
}
}
public int getMajor() {
return major;
}
public int getMinor() {
return minor;
}
/**
* Return whether this object is equal to another.
* @param o Object to compare to.
* @return Whether this object is equals to another.
*/
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final Version version = (Version) o;
if (beta != version.beta) return false;
if (bugfix != version.bugfix) return false;
if (major != version.major) return false;
return minor == version.minor;
}
/**
* Returns a hash code for this object.
* @return A hash code for this object.
*/
public int hashCode() {
int result;
result = major;
result = 29 * result + minor;
result = 29 * result + beta;
result = 29 * result + bugfix;
return result;
}
/**
* Returns a string representation of the form "1.27", "1.27.2" or "1.27.beta3".
* @return A string representation of the form "1.27", "1.27.2" or "1.27.beta3".
*/
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append(major).append('.').append(minor);
if (beta != 0) {
buf.append(".beta").append(beta);
} else if (bugfix != 0) {
buf.append('.').append(bugfix);
}
return buf.toString();
}
/**
* Compares this object with the specified object for order.
* @param version The object to compare to.
* @return A negative integer, zero, or a positive integer as this object is less than, equal to, or
* greater than the specified object.
*/
@Override
public int compareTo(Version version) {
if (major < version.major) {
return -1;
} else if (major > version.major) {
return 1;
}
if (minor < version.minor) {
return -1;
} else if (minor > version.minor) {
return 1;
}
if (bugfix < version.bugfix) {
return -1;
} else if (bugfix > version.bugfix) {
return 1;
}
int thisBeta = beta == 0 ? Integer.MAX_VALUE : beta;
int otherBeta = version.beta == 0 ? Integer.MAX_VALUE : version.beta;
if (thisBeta < otherBeta) {
return -1;
} else if (thisBeta > otherBeta) {
return 1;
}
return 0;
}
}
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