Top Level Namespace
Defined Under Namespace
Modules: J2j Classes: Configurator, FieldDetails
Instance Method Summary collapse
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#convert(path, options) ⇒ Object
DO THE ACTUAL CONVERTING.
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#get_java_type(value, field_details, key) ⇒ Object
GET JAVA TYPES.
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#java_class_output(class_name, parent) ⇒ Object
JAVA CLASS TO BE OUTPUTED.
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#parse_args(path, params) ⇒ Object
PARSE THE INCOMING PARAMS.
- #print_intro ⇒ Object
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#process_array(value, field_details, key, parent) ⇒ Object
PROCESS ARRAY.
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#setup_data(hash, parent) ⇒ Object
SETUP THE DATA.
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#to_java_class_name(class_name) ⇒ Object
TO JAVA CLASS NAME.
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#to_java_field_name(field_name) ⇒ Object
TO JAVA FIELD NAME.
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#to_java_method_name(field_name) ⇒ Object
TO JAVA METHOD NAME.
- #valid_json?(json) ⇒ Boolean
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#write_file(value) ⇒ Object
WRITE FILE.
Instance Method Details
#convert(path, options) ⇒ Object
DO THE ACTUAL CONVERTING
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# File 'lib/j2j/converter.rb', line 317 def convert(path, ) @java_classes = {} @java_fields = {} @java_lists = {} @field_info = {} @do_chop = true @config = Configurator.new parse_args(path, ) if !File.exists?(@config.json_file) puts "The file '#{@config.json_file.red}' does not exist!" exit -1 else if !valid_json?(@config.json_file) puts "'#{@config.json_file.red}' is not a valid json file!" exit -1 end end print_intro() @package = @config.package json_file_contents = IO.read(@config.json_file) json = JSON.parse(json_file_contents) @java_classes[@config.top_level_class] = "TOP_LEVEL_CLASS" setup_data(json, @config.top_level_class) @java_classes.each { |class_name, parent| java_class_output(class_name, parent) } end |
#get_java_type(value, field_details, key) ⇒ Object
GET JAVA TYPES
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# File 'lib/j2j/converter.rb', line 13 def get_java_type(value, field_details, key) field_details.write_class_file = false java_type = @config.unknown_class if value.is_a?(Fixnum) java_type = "Long" elsif value.is_a?(Float) java_type = "Double" elsif value.is_a?(Array) inner_value = get_java_type(value[0], field_details, key) if inner_value == @config.unknown_class inner_value = to_java_class_name(key) setup_data(value[0], key) field_details.write_class_file = true end binding.pry java_type = "List<" + inner_value + ">" elsif value.is_a?(String) java_type = "String" elsif value.is_a?(TrueClass) || value.is_a?(FalseClass) java_type = "Boolean" end return java_type; end |
#java_class_output(class_name, parent) ⇒ Object
JAVA CLASS TO BE OUTPUTED
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# File 'lib/j2j/converter.rb', line 194 def java_class_output(class_name, parent) proper_class_name = to_java_class_name(class_name) field_list = "" list_import = "" json_property_import = "" json_serialize_import = "" getters_and_setters = "" if @java_fields[class_name] @java_fields[class_name].each do |field| field_type = @field_info[field].type method_name = to_java_method_name(field) java_field = to_java_field_name(field) if @java_fields[field] field_type = to_java_class_name(field) method_name = to_java_method_name(field_type) end if (@java_lists[field] and @java_lists[field] == class_name) if @field_info[field].array_type field_type = @field_info[field].array_type end field_type = "List<#{field_type}>" list_import = "import java.util.List;" end json_annotation = "" if java_field != field json_property_import = @config.json_property_import json_annotation = " @SerializedName(\"#{field}\")\n" end json_serialize_import = @config.json_serialize_import field_list = field_list + json_annotation + " private #{field_type} #{java_field};\n" getters_and_setters = getters_and_setters + <<GS public #{field_type} get#{method_name}() { return #{java_field}; } public void set#{method_name}(#{field_type} #{java_field}) { this.#{java_field} = #{java_field}; } GS end end doc = <<JCO package #@package; #{list_import} #{json_property_import} #{json_serialize_import} /** * Created with cesarferreira/j2j */ public class #{proper_class_name} \{ #{field_list} #{getters_and_setters} \} JCO Dir.mkdir(@config.output_directory) if !File.exists?(@config.output_directory) if !File.directory?(@config.output_directory) puts "#{@config.output_directory} is not a directory!" exit -1 end # don't write java file files "primitive" array/list fields if write_file(@field_info[class_name]) == true fileName = "#{@config.output_directory}/#{proper_class_name}.java" File.open(fileName, 'w') {|f| f.write(doc) } puts "Creating.... #{fileName.green}" end end |
#parse_args(path, params) ⇒ Object
PARSE THE INCOMING PARAMS
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# File 'lib/j2j/converter.rb', line 284 def parse_args(path, params) @config.json_file = path @config.package = params[:package].gsub(/\.$/, '') @config.top_level_class = params[:root_class].gsub(/.java/,'') @config.output_directory = params[:output].gsub(/\/$/, '') end |
#print_intro ⇒ Object
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# File 'lib/j2j/converter.rb', line 302 def print_intro puts "\nCreating with:" puts " JSON file: #{@config.json_file.green}" puts " Java package: #{@config.package.green}" puts " Java top level class: #{@config.top_level_class.green}" puts " Output directory: #{@config.output_directory.green}" puts "\n" end |
#process_array(value, field_details, key, parent) ⇒ Object
PROCESS ARRAY
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# File 'lib/j2j/converter.rb', line 42 def process_array(value, field_details, key, parent) field_details.type = "Array" @java_classes[key] = parent @java_lists[key] = parent if value[0].is_a?(Hash) setup_data(value[0], key) else field_details.array_type = get_java_type(value[0], field_details, key) end end |
#setup_data(hash, parent) ⇒ Object
SETUP THE DATA
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# File 'lib/j2j/converter.rb', line 57 def setup_data(hash, parent) @java_fields[parent] = [] hash.each do |key,value| field_details = FieldDetails.new field_details.field_name = key field_details.parent = parent field_details.write_class_file = true if value.is_a?(Array) process_array(value, field_details, key, parent) elsif value.is_a?(Hash) @java_classes[key] = parent field_details.type = "Hash" setup_data(value, key) else field_details.type = get_java_type(value, field_details, key) end @field_info[key] = field_details @java_fields[parent] = @java_fields[parent] + [ key ] end end |
#to_java_class_name(class_name) ⇒ Object
TO JAVA CLASS NAME
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# File 'lib/j2j/converter.rb', line 84 def to_java_class_name(class_name) java_class_name = "" separator = false first = true class_name.each_char do |c| if separator or first java_class_name = java_class_name + c.to_s.upcase separator = false first = false else case c when '-' when '_' separator = true else java_class_name = java_class_name + c end end end singular_class_name = java_class_name.singularize return singular_class_name end |
#to_java_field_name(field_name) ⇒ Object
TO JAVA FIELD NAME
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# File 'lib/j2j/converter.rb', line 113 def to_java_field_name(field_name) java_field_name = "" separator = false first = true leave_lowercase = false field_name.each_char do |c| if separator if leave_lowercase java_field_name = java_field_name + c else java_field_name = java_field_name + c.to_s.upcase end separator = false else case c when '-' when '_' separator = true leave_lowercase = false if first leave_lowercase = true end else java_field_name = java_field_name + c end end first = false end return java_field_name end |
#to_java_method_name(field_name) ⇒ Object
TO JAVA METHOD NAME
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# File 'lib/j2j/converter.rb', line 151 def to_java_method_name(field_name) java_method_name = "" separator = false first = true field_name.each_char do |c| if separator java_method_name = java_method_name + c.to_s.upcase separator = false else case c when '-' when '_' separator = true else if first java_method_name = java_method_name + c.to_s.upcase else java_method_name = java_method_name + c end end end first = false end return java_method_name end |
#valid_json?(json) ⇒ Boolean
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# File 'lib/j2j/converter.rb', line 293 def valid_json?(json) begin JSON.parse(IO.read(json)) return true rescue Exception => e return false end end |
#write_file(value) ⇒ Object
WRITE FILE
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# File 'lib/j2j/converter.rb', line 182 def write_file(value) if value return value.write_class_file end return true end |