jruby/src/jruby/java/core_ext/object.rb at parallel_boot · MSNexploder/jruby · GitHub

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class Object

# include the class specified by +include_class+ into the current namespace,

# using either its base name or by using a name returned from an optional block,

# passing all specified classes in turn and providing the block package name

# and base class name.

def include_class(include_class, &block)

warn "#{__method__} is deprecated. Use java_import."

java_import(include_class, &block)

end

# TODO: this can go away now, but people may be using it

def java_kind_of?(other)

return true if self.kind_of?(other)

return false unless self.respond_to?(:java_class) && other.respond_to?(:java_class) &&

other.kind_of?(Module) && !self.kind_of?(Module)

return other.java_class.assignable_from?(self.java_class)

end

def java_import(*import_classes)

import_classes.flatten!

import_classes.map do |import_class|

case import_class

when String

# pull in the class

import_class = JavaUtilities.get_proxy_class(import_class)

when Module

if import_class.respond_to? "java_class"

# ok, it's a proxy

else

raise ArgumentError.new "not a Java class or interface: #{import_class}"

end

else

raise ArgumentError.new "invalid Java class or interface: #{import_class}"

end

java_class = import_class.java_class

class_name = java_class.simple_name

if block_given?

package = java_class.package

# package can be nil if it's default or no package was defined by the classloader

if package

package_name = package.name

elsif java_class.canonical_name =~ /(.*)\.[^.]$/

package_name = $1

else

package_name = ""

end

constant = yield(package_name, class_name)

else

constant = class_name

# Inner classes are separated with $, get last element

if constant =~ /\$([^$])$/

constant = $1

end

unless constant =~ /^[A-Z].*/

raise ArgumentError.new "cannot import class `" + java_class.name + "' as `" + constant + "'"

end

# JRUBY-3453: Make import not complain if Java already has already imported the specific Java class

# If no constant is defined, or the constant is not already set to the java_import, assign it

eval_str = "if !defined?(#{constant}) || #{constant} != import_class; #{constant} = import_class; end"

if Module === self

class_eval(eval_str, __FILE__, __LINE__)

else

eval(eval_str, binding, __FILE__, __LINE__)

end

import_class

end

private :java_import

def handle_different_imports(*args, &block)

if args.first.respond_to?(:java_class)

java_import(*args, &block)

else

other_import(*args, &block)

end

unless respond_to?(:import)

alias :import :java_import

end

jruby/src/jruby/java/core_ext/object.rb at parallel_boot · MSNexploder/jruby · GitHub

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