| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * 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 com.intellij.util.text; |
| |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.regex.Pattern; |
| |
| /** |
| * See http://semver.org |
| * |
| * @author Sergey Simonchik |
| */ |
| public class SemVer { |
| private final int myMajor; |
| private final int myMinor; |
| private final int myPatch; |
| private final String myRawVersion; |
| |
| public SemVer(@NotNull String rawVersion, int major, int minor, int patch) { |
| myRawVersion = rawVersion; |
| myMajor = major; |
| myMinor = minor; |
| myPatch = patch; |
| } |
| |
| @NotNull |
| public String getRawVersion() { |
| return myRawVersion; |
| } |
| |
| public int getMajor() { |
| return myMajor; |
| } |
| |
| public int getMinor() { |
| return myMinor; |
| } |
| |
| public int getPatch() { |
| return myPatch; |
| } |
| |
| @NotNull |
| public String getParsedVersion() { |
| return myMajor + "." + myMinor + "." + myPatch; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| SemVer semVer = (SemVer)o; |
| |
| if (myMajor != semVer.myMajor) return false; |
| if (myMinor != semVer.myMinor) return false; |
| if (myPatch != semVer.myPatch) return false; |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = myMajor; |
| result = 31 * result + myMinor; |
| result = 31 * result + myPatch; |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return myRawVersion; |
| } |
| |
| @Nullable |
| public static SemVer parseFromText(@NotNull String text) { |
| String[] comps = text.split(Pattern.quote("."), 3); |
| if (comps.length != 3) { |
| return null; |
| } |
| Integer major = toInteger(comps[0]); |
| Integer minor = toInteger(comps[1]); |
| String patchStr = comps[2]; |
| int dashInd = patchStr.indexOf('-'); |
| if (dashInd >= 0) { |
| patchStr = patchStr.substring(0, dashInd); |
| } |
| Integer patch = toInteger(patchStr); |
| if (major != null && minor != null && patch != null) { |
| return new SemVer(text, major, minor, patch); |
| } |
| return null; |
| } |
| |
| private static Integer toInteger(@NotNull String str) { |
| try { |
| return Integer.parseInt(str); |
| } |
| catch (NumberFormatException e) { |
| return null; |
| } |
| } |
| |
| } |