-/*
- * Copyright 2018-present Open Networking Foundation
- *
- * 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 io.atomix.utils;
-
-import com.google.common.collect.ComparisonChain;
-
-import java.util.Objects;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static java.lang.Integer.parseInt;
-
-/**
- * Atomix software version.
- */
-public final class Version implements Comparable<Version> {
-
- /**
- * Returns a new version from the given version string.
- *
- * @param version the version string
- * @return the version object
- * @throws IllegalArgumentException if the version string is invalid
- */
- public static Version from(String version) {
- String[] fields = version.split("[.-]", 4);
- checkArgument(fields.length >= 3, "version number is invalid");
- return new Version(
- parseInt(fields[0]),
- parseInt(fields[1]),
- parseInt(fields[2]),
- fields.length == 4 ? fields[3] : null);
- }
-
- /**
- * Returns a new version from the given parts.
- *
- * @param major the major version number
- * @param minor the minor version number
- * @param patch the patch version number
- * @param build the build version number
- * @return the version object
- */
- public static Version from(int major, int minor, int patch, String build) {
- return new Version(major, minor, patch, build);
- }
-
- private final int major;
- private final int minor;
- private final int patch;
- private final String build;
-
- private Version(int major, int minor, int patch, String build) {
- checkArgument(major >= 0, "major version must be >= 0");
- checkArgument(minor >= 0, "minor version must be >= 0");
- checkArgument(patch >= 0, "patch version must be >= 0");
- this.major = major;
- this.minor = minor;
- this.patch = patch;
- this.build = Build.from(build).toString();
- }
-
- /**
- * Returns the major version number.
- *
- * @return the major version number
- */
- public int major() {
- return major;
- }
-
- /**
- * Returns the minor version number.
- *
- * @return the minor version number
- */
- public int minor() {
- return minor;
- }
-
- /**
- * Returns the patch version number.
- *
- * @return the patch version number
- */
- public int patch() {
- return patch;
- }
-
- /**
- * Returns the build version number.
- *
- * @return the build version number
- */
- public String build() {
- return build;
- }
-
- @Override
- public int compareTo(Version that) {
- return ComparisonChain.start()
- .compare(this.major, that.major)
- .compare(this.minor, that.minor)
- .compare(this.patch, that.patch)
- .compare(Build.from(this.build), Build.from(that.build))
- .result();
- }
-
- @Override
- public int hashCode() {
- return Objects.hash(major, minor, patch, build);
- }
-
- @Override
- public boolean equals(Object object) {
- if (object == this) {
- return true;
- }
- if (!(object instanceof Version)) {
- return false;
- }
- Version that = (Version) object;
- return this.major == that.major
- && this.minor == that.minor
- && this.patch == that.patch
- && Objects.equals(this.build, that.build);
- }
-
- @Override
- public String toString() {
- StringBuilder builder = new StringBuilder()
- .append(major)
- .append('.')
- .append(minor)
- .append('.')
- .append(patch);
- String build = Build.from(this.build).toString();
- if (build != null) {
- builder.append('-').append(build);
- }
- return builder.toString();
- }
-
- /**
- * Build version.
- */
- private static class Build implements Comparable<Build> {
-
- /**
- * Creates a new build version from the given string.
- *
- * @param build the build version string
- * @return the build version
- * @throws IllegalArgumentException if the build version string is invalid
- */
- public static Build from(String build) {
- if (build == null) {
- return new Build(Type.FINAL, 0);
- } else if (build.equalsIgnoreCase(Type.SNAPSHOT.name())) {
- return new Build(Type.SNAPSHOT, 0);
- }
-
- for (Type type : Type.values()) {
- if (type.name != null && build.length() >= type.name.length() && build.substring(0, type.name.length()).equalsIgnoreCase(type.name)) {
- try {
- int version = parseInt(build.substring(type.name.length()));
- return new Build(type, version);
- } catch (NumberFormatException e) {
- throw new IllegalArgumentException(build + " is not a valid build version string");
- }
- }
- }
- throw new IllegalArgumentException(build + " is not a valid build version string");
- }
-
- private final Type type;
- private final int version;
-
- private Build(Type type, int version) {
- this.type = type;
- this.version = version;
- }
-
- @Override
- public int compareTo(Build that) {
- return ComparisonChain.start()
- .compare(this.type.ordinal(), that.type.ordinal())
- .compare(this.version, that.version)
- .result();
- }
-
- @Override
- public int hashCode() {
- return Objects.hash(type, version);
- }
-
- @Override
- public boolean equals(Object object) {
- if (object == this) {
- return true;
- }
- if (!(object instanceof Build)) {
- return false;
- }
- Build that = (Build) object;
- return Objects.equals(this.type, that.type) && this.version == that.version;
- }
-
- @Override
- public String toString() {
- return type.format(version);
- }
-
- /**
- * Build type.
- */
- private enum Type {
- SNAPSHOT("snapshot"),
- ALPHA("alpha"),
- BETA("beta"),
- RC("rc"),
- FINAL(null);
-
- private final String name;
-
- Type(String name) {
- this.name = name;
- }
-
- String format(int version) {
- if (name == null) {
- return null;
- } else if ("snapshot".equals(name)) {
- return "SNAPSHOT";
- } else {
- return String.format("%s%d", name, version);
- }
- }
-
- @Override
- public String toString() {
- return name;
- }
- }
- }
-}
Code Review / controller.git / commitdiff