| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.maven.artifact.versioning; |
| |
| /** |
| * Describes a restriction in versioning. |
| * |
| */ |
| public class Restriction { |
| private final ArtifactVersion lowerBound; |
| |
| private final boolean lowerBoundInclusive; |
| |
| private final ArtifactVersion upperBound; |
| |
| private final boolean upperBoundInclusive; |
| |
| public static final Restriction EVERYTHING = new Restriction(null, false, null, false); |
| |
| public Restriction( |
| ArtifactVersion lowerBound, |
| boolean lowerBoundInclusive, |
| ArtifactVersion upperBound, |
| boolean upperBoundInclusive) { |
| this.lowerBound = lowerBound; |
| this.lowerBoundInclusive = lowerBoundInclusive; |
| this.upperBound = upperBound; |
| this.upperBoundInclusive = upperBoundInclusive; |
| } |
| |
| public ArtifactVersion getLowerBound() { |
| return lowerBound; |
| } |
| |
| public boolean isLowerBoundInclusive() { |
| return lowerBoundInclusive; |
| } |
| |
| public ArtifactVersion getUpperBound() { |
| return upperBound; |
| } |
| |
| public boolean isUpperBoundInclusive() { |
| return upperBoundInclusive; |
| } |
| |
| public boolean containsVersion(ArtifactVersion version) { |
| if (lowerBound != null) { |
| int comparison = lowerBound.compareTo(version); |
| |
| if ((comparison == 0) && !lowerBoundInclusive) { |
| return false; |
| } |
| if (comparison > 0) { |
| return false; |
| } |
| } |
| if (upperBound != null) { |
| int comparison = upperBound.compareTo(version); |
| |
| if ((comparison == 0) && !upperBoundInclusive) { |
| return false; |
| } |
| return comparison >= 0; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 13; |
| |
| if (lowerBound == null) { |
| result += 1; |
| } else { |
| result += lowerBound.hashCode(); |
| } |
| |
| result *= lowerBoundInclusive ? 1 : 2; |
| |
| if (upperBound == null) { |
| result -= 3; |
| } else { |
| result -= upperBound.hashCode(); |
| } |
| |
| result *= upperBoundInclusive ? 2 : 3; |
| |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) { |
| return true; |
| } |
| |
| if (!(other instanceof Restriction)) { |
| return false; |
| } |
| |
| Restriction restriction = (Restriction) other; |
| if (lowerBound != null) { |
| if (!lowerBound.equals(restriction.lowerBound)) { |
| return false; |
| } |
| } else if (restriction.lowerBound != null) { |
| return false; |
| } |
| |
| if (lowerBoundInclusive != restriction.lowerBoundInclusive) { |
| return false; |
| } |
| |
| if (upperBound != null) { |
| if (!upperBound.equals(restriction.upperBound)) { |
| return false; |
| } |
| } else if (restriction.upperBound != null) { |
| return false; |
| } |
| |
| return upperBoundInclusive == restriction.upperBoundInclusive; |
| } |
| |
| public String toString() { |
| StringBuilder buf = new StringBuilder(); |
| |
| buf.append(isLowerBoundInclusive() ? '[' : '('); |
| if (getLowerBound() != null) { |
| buf.append(getLowerBound().toString()); |
| } |
| buf.append(','); |
| if (getUpperBound() != null) { |
| buf.append(getUpperBound().toString()); |
| } |
| buf.append(isUpperBoundInclusive() ? ']' : ')'); |
| |
| return buf.toString(); |
| } |
| } |