Sha256: acee509a925c64a7799a8db56849a38617a3da91ee067879d2ce8dcdf7642955
Contents?: true
Size: 1.67 KB
Versions: 11
Compression:
Stored size: 1.67 KB
Contents
# encoding: utf-8 require 'cabin' module LogStash::Util::JavaVersion def self.logger @logger ||= Cabin::Channel.get(LogStash) end # Return the current java version string. Returns nil if this is a non-java platform (e.g. MRI). def self.version return nil unless LogStash::Environment.jruby? java.lang.System.getProperty("java.runtime.version") end # Takes a string of a java version ex: "1.8.0_24-beta" # and returns a parsed map of the components. # nil inputs will be returned as nil. def self.parse_java_version(version_string) return nil if version_string.nil? # Crazy java versioning rules @ http://www.oracle.com/technetwork/java/javase/versioning-naming-139433.html # The regex below parses this all correctly http://rubular.com/r/sInQc3Nc7f match = version_string.match(/\A(\d+)\.(\d+)\.(\d+)(_(\d+))?(-(.+))?\Z/) return nil unless match major, minor, patch, ufull, update, bfull, build = match.captures { :full => version_string, :major => major.to_i, :minor => minor.to_i, :patch => patch.to_i, :update => update.to_i, # this is always coerced to an int (a nil will be zero) to make comparisons easier :build => build # not an integer, could be b06 for instance!, } end # Determine if the given java version string is a bad version of java # If it is, return true, if it isn't return false. # Accepts nil, returning nil. def self.bad_java_version?(version_string) return nil if version_string.nil? parsed = parse_java_version(version_string) return false unless parsed if parsed[:major] == 1 && parsed[:minor] < 8 true else false end end end
Version data entries
11 entries across 11 versions & 1 rubygems