com.github.xiaoyuge5201.device.Version Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2014, Harald Walker (bitwalker.eu) and contributing developers
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the
* following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of bitwalker nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.github.xiaoyuge5201.device;
/**
* Container for general version information. All version information is stored
* as String as sometimes version information includes alphabetical characters.
*
* @author harald
*/
public class Version implements Comparable {
String version;
String majorVersion;
String minorVersion;
public Version(String version, String majorVersion, String minorVersion) {
super();
this.version = version;
this.majorVersion = majorVersion;
this.minorVersion = minorVersion;
}
public String getVersion() {
return version;
}
public String getMajorVersion() {
return majorVersion;
}
public String getMinorVersion() {
return minorVersion;
}
@Override
public String toString() {
return version;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((majorVersion == null) ? 0 : majorVersion.hashCode());
result = prime * result + ((minorVersion == null) ? 0 : minorVersion.hashCode());
result = prime * result + ((version == null) ? 0 : version.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
Version other = (Version) obj;
if (majorVersion == null) {
if (other.majorVersion != null) {
return false;
}
} else if (!majorVersion.equals(other.majorVersion)) {
return false;
}
if (minorVersion == null) {
if (other.minorVersion != null) {
return false;
}
} else if (!minorVersion.equals(other.minorVersion)) {
return false;
}
if (version == null) {
if (other.version != null) {
return false;
}
} else if (!version.equals(other.version)) {
return false;
}
return true;
}
@Override
public int compareTo(Version other) {
if (other == null) {
return 1;
}
String[] versionParts = version.split("\\.");
String[] otherVersionParts = other.version.split("\\.");
for (int i = 0; i < Math.min(versionParts.length, otherVersionParts.length); i++) {
if (versionParts[i].length() == otherVersionParts[i].length()) {
int comparisonResult = versionParts[i].compareTo(otherVersionParts[i]);
if (comparisonResult == 0) {
continue;
} else {
return comparisonResult;
}
} else {
return versionParts[i].length() > otherVersionParts[i].length() ? 1 : -1;
}
}
if (versionParts.length > otherVersionParts.length) {
return 1;
} else if (versionParts.length < otherVersionParts.length) {
return -1;
} else {
return 0;
}
}
}