com.sun.faces.application.resource.VersionInfo Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.application.resource;
/**
* Metadata pertaining to versions.
*/
public class VersionInfo implements Comparable {
private String version;
private String extension;
// ------------------------------------------------------------ Constructors
/**
* Constructs a new VersionInfo instance.
*
* @param version the version
* @param extension the extension (only pertains to versioned resources, not libraries, and thus may be
* null)
*/
public VersionInfo(String version, String extension) {
this.version = version;
this.extension = extension;
}
// ---------------------------------------------------------- Public Methods
/**
* @return the version
*/
public String getVersion() {
return version;
}
/**
* @return the extension of the resource at processing time, or null if this version is associated with a library
*/
public String getExtension() {
return extension;
}
@Override
public String toString() {
return version;
}
@Override
public int hashCode() {
return version.hashCode() ^ (extension != null ? extension.hashCode() : 0);
}
@Override
public boolean equals(Object obj) {
if (obj == null || !(obj instanceof VersionInfo)) {
return false;
}
if (this == obj) {
return true;
}
VersionInfo passed = (VersionInfo) obj;
boolean versionsEqual = version.equals(passed.version);
boolean extensionEqual;
if (extension == null) {
extensionEqual = passed.extension == null;
} else {
extensionEqual = extension.equals(passed.extension);
}
return versionsEqual && extensionEqual;
}
// ------------------------------------------------- Methods from Comparable
@Override
public int compareTo(Object o) {
assert o instanceof VersionInfo;
VersionInfo c = (VersionInfo) o;
return version.compareTo(c.version);
}
}