138 lines
3.1 KiB
Ruby
138 lines
3.1 KiB
Ruby
require "language/java"
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class JavaRequirement < Requirement
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fatal true
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download "https://www.oracle.com/technetwork/java/javase/downloads/index.html"
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# A strict Java 8 requirement (1.8) should prompt the user to install
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# the legacy java8 cask because versions newer than Java 8 are not
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# completely backwards compatible, and contain breaking changes such as
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# strong encapsulation of JDK-internal APIs and a modified version scheme
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# (*.0 not 1.*).
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def cask
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if @version.nil? || @version.to_s.end_with?("+") ||
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@version.to_f >= JAVA_CASK_MAP.keys.max.to_f
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JAVA_CASK_MAP.fetch(JAVA_CASK_MAP.keys.max)
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else
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JAVA_CASK_MAP.fetch("1.8")
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end
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end
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satisfy build_env: false do
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setup_java
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next false unless @java
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next true
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end
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def initialize(tags = [])
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@version = tags.shift if /(\d+\.)+\d/ =~ tags.first
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super
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end
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def message
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version_string = " #{@version}" if @version
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s = "Java#{version_string} is required to install this formula.\n"
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s += super
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s
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end
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def inspect
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"#<#{self.class.name}: #{name.inspect} #{tags.inspect} version=#{@version.inspect}>"
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end
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def display_s
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if @version
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if exact_version?
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op = "="
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else
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op = ">="
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end
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"#{name} #{op} #{version_without_plus}"
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else
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name
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end
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end
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private
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JAVA_CASK_MAP = {
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"1.8" => "homebrew/cask-versions/java8",
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"10.0" => "java",
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}.freeze
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def version_without_plus
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if exact_version?
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@version
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else
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@version[0, @version.length - 1]
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end
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end
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def exact_version?
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@version && @version.to_s.chars.last != "+"
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end
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def setup_java
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java = preferred_java
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return unless java
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@java = java
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@java_home = java.parent.parent
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end
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def possible_javas
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javas = []
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javas << Pathname.new(ENV["JAVA_HOME"])/"bin/java" if ENV["JAVA_HOME"]
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jdk = begin
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Formula["jdk"]
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rescue FormulaUnavailableError
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nil
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end
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javas << jdk.bin/"java" if jdk&.installed?
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javas << which("java")
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javas
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end
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def preferred_java
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possible_javas.detect do |java|
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next false unless java&.executable?
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next true unless @version
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next true if satisfies_version(java)
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end
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end
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def env_java_common
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return unless @java_home
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java_home = Pathname.new(@java_home)
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ENV["JAVA_HOME"] = java_home
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ENV.prepend_path "PATH", java_home/"bin"
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end
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def env_oracle_jdk
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return unless @java_home
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java_home = Pathname.new(@java_home)
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return unless (java_home/"include").exist?
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ENV.append_to_cflags "-I#{java_home}/include"
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ENV.append_to_cflags "-I#{java_home}/include/#{oracle_java_os}"
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true
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end
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def oracle_java_os
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nil
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end
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def satisfies_version(java)
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java_version_s = Utils.popen_read(java, "-version", err: :out)[/\d+.\d/]
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return false unless java_version_s
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java_version = Version.create(java_version_s)
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needed_version = Version.create(version_without_plus)
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if exact_version?
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java_version == needed_version
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else
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java_version >= needed_version
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end
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end
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end
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require "extend/os/requirements/java_requirement"
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