| /** |
| * @copyright |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * @endcopyright |
| */ |
| |
| package org.apache.subversion.javahl.types; |
| |
| |
| /** |
| * Object that describes a revision range |
| */ |
| public class RevisionRange implements Comparable<RevisionRange>, java.io.Serializable |
| { |
| // Update the serialVersionUID when there is an incompatible change made to |
| // this class. See the Java documentation (following link or its counter- |
| // part in your specific Java release) for when a change is incompatible. |
| // https://docs.oracle.com/en/java/javase/11/docs/specs/serialization/version.html#type-changes-affecting-serialization |
| private static final long serialVersionUID = 2L; |
| |
| private Revision from; |
| private Revision to; |
| private boolean inheritable; |
| |
| /** |
| * Creates a new instance. Called by native library. |
| */ |
| protected RevisionRange(long from, long to, boolean inheritable) |
| { |
| this.from = Revision.getInstance(from); |
| this.to = Revision.getInstance(to); |
| this.inheritable = inheritable; |
| } |
| |
| /** @since 1.9 */ |
| public RevisionRange(Revision from, Revision to, boolean inheritable) |
| { |
| this.from = from; |
| this.to = to; |
| this.inheritable = inheritable; |
| } |
| |
| public RevisionRange(Revision from, Revision to) |
| { |
| this.from = from; |
| this.to = to; |
| this.inheritable = true; |
| } |
| |
| /** |
| * Accepts a string in one of these forms: n m-n Parses the results into a |
| * from and to revision |
| * @param revisionElement revision range or single revision |
| */ |
| public RevisionRange(String revisionElement) |
| { |
| super(); |
| if (revisionElement == null) |
| { |
| return; |
| } |
| |
| this.inheritable = !revisionElement.endsWith("*"); |
| if (!this.inheritable) |
| revisionElement = |
| revisionElement.substring(0, revisionElement.length() - 1); |
| |
| int hyphen = revisionElement.indexOf('-'); |
| if (hyphen > 0) |
| { |
| try |
| { |
| long fromRev = Long |
| .parseLong(revisionElement.substring(0, hyphen)); |
| long toRev = Long.parseLong(revisionElement |
| .substring(hyphen + 1)); |
| this.from = new Revision.Number(fromRev); |
| this.to = new Revision.Number(toRev); |
| } |
| catch (NumberFormatException e) |
| { |
| return; |
| } |
| |
| } |
| else |
| { |
| try |
| { |
| long revNum = Long.parseLong(revisionElement.trim()); |
| if (revNum <= 0) |
| return; |
| this.to = new Revision.Number(revNum); |
| this.from = new Revision.Number(revNum - 1); |
| } |
| catch (NumberFormatException e) |
| { |
| return; |
| } |
| } |
| } |
| |
| public Revision getFromRevision() |
| { |
| return from; |
| } |
| |
| public Revision getToRevision() |
| { |
| return to; |
| } |
| |
| public boolean isInheritable() |
| { |
| return inheritable; |
| } |
| |
| public String toString() |
| { |
| if (from != null && to != null) |
| { |
| String rep; |
| |
| if (from.getKind() == Revision.Kind.number |
| && to.getKind() == Revision.Kind.number |
| && (((Revision.Number)from).getNumber() + 1 |
| == ((Revision.Number)to).getNumber())) |
| rep = to.toString(); |
| else if (from.equals(to)) // Such ranges should never happen |
| rep = from.toString(); |
| else |
| rep = from.toString() + '-' + to.toString(); |
| if (!inheritable) |
| return rep + '*'; |
| return rep; |
| } |
| return super.toString(); |
| } |
| |
| public static Long getRevisionAsLong(Revision rev) |
| { |
| long val = 0; |
| if (rev != null && rev instanceof Revision.Number) |
| { |
| val = ((Revision.Number) rev).getNumber(); |
| } |
| return Long.valueOf(val); |
| } |
| |
| public int hashCode() |
| { |
| final int prime = 31; |
| int result = (inheritable ? 1 : 2); |
| result = prime * result + ((from == null) ? 0 : from.hashCode()); |
| result = prime * result + ((to == null) ? 0 : to.hashCode()); |
| return result; |
| } |
| |
| /** |
| * @param range The RevisionRange to compare this object to. |
| */ |
| public boolean equals(Object range) |
| { |
| if (this == range) |
| return true; |
| if (!super.equals(range)) |
| return false; |
| if (getClass() != range.getClass()) |
| return false; |
| |
| final RevisionRange other = (RevisionRange) range; |
| |
| if (from == null) |
| { |
| if (other.from != null) |
| return false; |
| } |
| else if (!from.equals(other.from)) |
| { |
| return false; |
| } |
| |
| if (to == null) |
| { |
| if (other.to != null) |
| return false; |
| } |
| else if (!to.equals(other.to)) |
| { |
| return false; |
| } |
| |
| return (inheritable == other.inheritable); |
| } |
| |
| /** |
| * <b>Note:</b> Explicitly ignores inheritable state. |
| * |
| * @param range The RevisionRange to compare this object to. |
| */ |
| public int compareTo(RevisionRange range) |
| { |
| if (this == range) |
| return 0; |
| |
| Revision other = (range).getFromRevision(); |
| return RevisionRange.getRevisionAsLong(this.getFromRevision()) |
| .compareTo(RevisionRange.getRevisionAsLong(other)); |
| } |
| } |