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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.databene.commons.version;
import org.databene.commons.comparator.IntComparator;
/**
* Number based {@link VersionNumberComponent}.
* Created at 22.12.2008 16:33:56
* @since 0.5.7
* @author Volker Bergmann
*/
public class NumberVersionNumberComponent extends VersionNumberComponent {
private static final long serialVersionUID = -4669653693506092150L;
private final String numberString;
private final int number;
public NumberVersionNumberComponent(String numberString) {
this.numberString = numberString;
this.number = Integer.parseInt(numberString);
}
public NumberVersionNumberComponent(int number) {
this.numberString = String.valueOf(number);
this.number = number;
}
@Override
public int compareTo(VersionNumberComponent that) {
if (that == null)
return IntComparator.compare(number, 0);
if (!(that instanceof NumberVersionNumberComponent)) // numbers are more significant than markers like 'alpha'
return 1;
return IntComparator.compare(this.number, ((NumberVersionNumberComponent) that).number);
}
public int getNumber() {
return number;
}
@Override
public String toString() {
return numberString;
}
@Override
public int hashCode() {
return number;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null || this.getClass() != obj.getClass())
return false;
NumberVersionNumberComponent that = (NumberVersionNumberComponent) obj;
return this.number == that.number;
}
}