Module: JavaClass::JavaLanguage

Included in:

Dsl::Mixin

Defined in:

lib/javaclass/java_language.rb

Overview

All kind of constant information related to Java and the Java language.

Author

Peter Kofler

Constant Summary

SOURCE =

'.java'

SOURCE_REGEX =

/#{Regexp.escape(SOURCE)}$/

CLASS =

'.class'

CLASS_REGEX =

/#{Regexp.escape(CLASS)}$/

IDENTIFIER_REGEX =

A general Java identifier from Java spec.

/[a-zA-Z_$][a-zA-Z_$0-9]*/

LOWER_IDENTIFIER_REGEX =

/[a-z_$][a-z_$0-9]*/

PACKAGE_REGEX =

A proper package name part. This is more strict than IDENTIFIER_REGEX because it’s all lowercase letters.

/^#{LOWER_IDENTIFIER_REGEX}$/

TYPE_REGEX =

A proper type (class) name. This is more strict than IDENTIFIER_REGEX because it starts with uppercase letters.

/[A-Z][a-zA-Z_$0-9]*/

MEMBER_REGEX =

A proper member (field or method) name. This is more strict than IDENTIFIER_REGEX because it starts with lowercase letters.

/^[a-z][a-zA-Z_$0-9]*$/

SEPARATOR =

Separator between qualified name parts.

'.'

SEPARATOR_REGEX =

Regexp::escape(SEPARATOR)

RESOURCE_FOLDER =

File.join(File.dirname(__FILE__), 'resources')

RESERVED_WORDS =

Reserved words of the Java language.

IO.readlines(File.join(RESOURCE_FOLDER, 'reserved_words.txt')).map { |l| l.chomp }

ISO_COUNTRIES =

List of ISO 3166 two letter country names. Used to recognize valid domain suffix/Java package names.

See

www.iso.org/iso/list-en1-semic-3.txt

IO.readlines(File.join(RESOURCE_FOLDER, 'iso_3166_countries.txt')).map { |l| l.chomp }

US_DOMAINS =

List of non ISO 3166 U.S. domain suffix.

%w| com net biz org |

ALLOWED_PACKAGE_PREFIX =

List of all (usual) allowed Java package prefixes.

%w| java javax | + US_DOMAINS + ISO_COUNTRIES

JDK_PACKAGES =

List of all package prefixes found in the JDK (up to 1.6).

IO.readlines(File.join(RESOURCE_FOLDER, 'jdk_packages.txt')).map { |l| l.chomp }

JDK_PACKAGES_REGEX =

JDK_PACKAGES.collect { |pkg| /^#{pkg}\./ }