diff options
Diffstat (limited to 'EssentialsUpdate/src/com/earth2me/essentials/update/Version.java')
-rw-r--r-- | EssentialsUpdate/src/com/earth2me/essentials/update/Version.java | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/EssentialsUpdate/src/com/earth2me/essentials/update/Version.java b/EssentialsUpdate/src/com/earth2me/essentials/update/Version.java new file mode 100644 index 000000000..8e6cbc97f --- /dev/null +++ b/EssentialsUpdate/src/com/earth2me/essentials/update/Version.java @@ -0,0 +1,173 @@ +package com.earth2me.essentials.update; + +import java.util.regex.Matcher; +import java.util.regex.Pattern; + + +public class Version implements Comparable<Version> +{ + public enum Type + { + STABLE, PREVIEW, DEVELOPER + } + + public int getMajor() + { + return major; + } + + public int getMinor() + { + return minor; + } + + public int getBuild() + { + return build; + } + + public Type getType() + { + return type; + } + private final transient int major; + private final transient int minor; + private final transient int build; + private final transient Type type; + + public Version(final String versionString) + { + final Matcher matcher = Pattern.compile("(Pre|Dev)?([0-9]+)[_\\.]([0-9]+)[_\\.]([0-9]+).*").matcher(versionString); + if (!matcher.matches() || matcher.groupCount() < 4) + { + type = Type.DEVELOPER; + major = 99; + minor = build = 0; + return; + } + if (versionString.startsWith("Pre")) + { + type = Type.PREVIEW; + } + else if (versionString.startsWith("Dev")) + { + type = Type.DEVELOPER; + } + else + { + type = Type.STABLE; + } + major = Integer.parseInt(matcher.group(2)); + minor = Integer.parseInt(matcher.group(3)); + build = Integer.parseInt(matcher.group(4)); + } + + @Override + public int compareTo(final Version other) + { + int ret = 0; + if (other.getType() == Type.DEVELOPER && getType() != Type.DEVELOPER) + { + ret = -1; + } + else if (getType() == Type.DEVELOPER && other.getType() != Type.DEVELOPER) + { + ret = 1; + } + else if (other.getMajor() > getMajor()) + { + ret = -1; + } + else if (getMajor() > other.getMajor()) + { + ret = 1; + } + else if (other.getMinor() > getMinor()) + { + ret = -1; + } + else if (getMinor() > other.getMinor()) + { + ret = 1; + } + else if (other.getBuild() > getBuild()) + { + ret = -1; + } + else if (getBuild() > other.getBuild()) + { + ret = 1; + } + else if (other.getType() == Type.STABLE && getType() == Type.PREVIEW) + { + ret = -1; + } + else if (getType() == Type.STABLE && other.getType() == Type.PREVIEW) + { + ret = 1; + } + return ret; + } + + @Override + public boolean equals(final Object obj) + { + if (obj == null) + { + return false; + } + if (getClass() != obj.getClass()) + { + return false; + } + final Version other = (Version)obj; + if (this.major != other.major) + { + return false; + } + if (this.minor != other.minor) + { + return false; + } + if (this.build != other.build) + { + return false; + } + if (this.type != other.type) + { + return false; + } + return true; + } + + @Override + public int hashCode() + { + int hash = 5; + hash = 71 * hash + this.major; + hash = 71 * hash + this.minor; + hash = 71 * hash + this.build; + hash = 71 * hash + (this.type != null ? this.type.hashCode() : 0); + return hash; + } + + @Override + public String toString() + { + final StringBuilder builder = new StringBuilder(); + if (type == Type.DEVELOPER) + { + builder.append("Dev"); + } + if (type == Type.PREVIEW) + { + builder.append("Pre"); + } + builder.append(major); + builder.append('.'); + builder.append(minor); + builder.append('.'); + builder.append(build); + return builder.toString(); + } +} |