Class: RCAP::Base::Info

Inherits:

Object

• Object
• RCAP::Base::Info

show all

Includes:

Validation

Defined in:

lib/rcap/base/info.rb

Constant Summary

CATEGORY_GEO =

"Geo"

CATEGORY_MET =

"Met"

CATEGORY_SAFETY =

"Safety"

CATEGORY_SECURITY =

"Security"

CATEGORY_RESCUE =

"Rescue"

CATEGORY_FIRE =

"Fire"

CATEGORY_HEALTH =

"Health"

CATEGORY_ENV =

"Env"

CATEGORY_TRANSPORT =

"Transport"

CATEGORY_INFRA =

"Infra"

CATEGORY_CBRNE =

"CBRNE"

CATEGORY_OTHER =

"Other"

VALID_CATEGORIES =

Valid values for categories

[ CATEGORY_GEO, CATEGORY_MET, CATEGORY_SAFETY,
CATEGORY_SECURITY, CATEGORY_RESCUE,   CATEGORY_FIRE, CATEGORY_HEALTH,
CATEGORY_ENV, CATEGORY_TRANSPORT, CATEGORY_INFRA, CATEGORY_CBRNE,
CATEGORY_OTHER ]

URGENCY_IMMEDIATE =

"Immediate"

URGENCY_EXPECTED =

"Expected"

URGENCY_FUTURE =

"Future"

URGENCY_PAST =

"Past"

URGENCY_UNKNOWN =

"Unknown"

VALID_URGENCIES =

Valid values for urgency

[ URGENCY_IMMEDIATE, URGENCY_EXPECTED, URGENCY_FUTURE,
URGENCY_PAST, URGENCY_UNKNOWN ]

SEVERITY_EXTREME =

"Extreme"

SEVERITY_SEVERE =

"Severe"

SEVERITY_MODERATE =

"Moderate"

SEVERITY_MINOR =

"Minor"

SEVERITY_UNKNOWN =

"Unknown"

VALID_SEVERITIES =

Valid values for severity

[ SEVERITY_EXTREME, SEVERITY_SEVERE, SEVERITY_MODERATE,
SEVERITY_MINOR, SEVERITY_UNKNOWN ]

CERTAINTY_VERY_LIKELY =

"Very Likely"

CERTAINTY_LIKELY =

"Likely"

CERTAINTY_POSSIBLE =

"Possible"

CERTAINTY_UNLIKELY =

"Unlikely"

CERTAINTY_UNKNOWN =

"Unknown"

VALID_CERTAINTIES =

Valid valies for certainty

[ CERTAINTY_VERY_LIKELY, CERTAINTY_LIKELY,
CERTAINTY_POSSIBLE, CERTAINTY_UNLIKELY, CERTAINTY_UNKNOWN ]

XML_ELEMENT_NAME =

'info'

LANGUAGE_ELEMENT_NAME =

'language'

CATEGORY_ELEMENT_NAME =

'category'

EVENT_ELEMENT_NAME =

'event'

URGENCY_ELEMENT_NAME =

'urgency'

SEVERITY_ELEMENT_NAME =

'severity'

CERTAINTY_ELEMENT_NAME =

'certainty'

AUDIENCE_ELEMENT_NAME =

'audience'

EVENT_CODE_ELEMENT_NAME =

'eventCode'

EFFECTIVE_ELEMENT_NAME =

'effective'

ONSET_ELEMENT_NAME =

'onset'

EXPIRES_ELEMENT_NAME =

'expires'

SENDER_NAME_ELEMENT_NAME =

'senderName'

HEADLINE_ELEMENT_NAME =

'headline'

DESCRIPTION_ELEMENT_NAME =

'description'

INSTRUCTION_ELEMENT_NAME =

'instruction'

WEB_ELEMENT_NAME =

'web'

CONTACT_ELEMENT_NAME =

'contact'

XPATH =

"cap:#{ XML_ELEMENT_NAME }"

LANGUAGE_XPATH =

"cap:#{ LANGUAGE_ELEMENT_NAME }"

EVENT_XPATH =

"cap:#{ EVENT_ELEMENT_NAME }"

URGENCY_XPATH =

"cap:#{ URGENCY_ELEMENT_NAME }"

CATEGORY_XPATH =

"cap:#{ CATEGORY_ELEMENT_NAME }"

SEVERITY_XPATH =

"cap:#{ SEVERITY_ELEMENT_NAME }"

CERTAINTY_XPATH =

"cap:#{ CERTAINTY_ELEMENT_NAME }"

AUDIENCE_XPATH =

"cap:#{ AUDIENCE_ELEMENT_NAME }"

EVENT_CODE_XPATH =

"cap:#{ EVENT_CODE_ELEMENT_NAME }"

EFFECTIVE_XPATH =

"cap:#{ EFFECTIVE_ELEMENT_NAME }"

ONSET_XPATH =

"cap:#{ ONSET_ELEMENT_NAME }"

EXPIRES_XPATH =

"cap:#{ EXPIRES_ELEMENT_NAME }"

SENDER_NAME_XPATH =

"cap:#{ SENDER_NAME_ELEMENT_NAME }"

HEADLINE_XPATH =

"cap:#{ HEADLINE_ELEMENT_NAME }"

DESCRIPTION_XPATH =

"cap:#{ DESCRIPTION_ELEMENT_NAME }"

INSTRUCTION_XPATH =

"cap:#{ INSTRUCTION_ELEMENT_NAME }"

WEB_XPATH =

"cap:#{ WEB_ELEMENT_NAME }"

CONTACT_XPATH =

"cap:#{ CONTACT_ELEMENT_NAME }"

DEFAULT_LANGUAGE =

'en-US'

LANGUAGE_YAML =

'Language'

CATEGORIES_YAML =

'Categories'

EVENT_YAML =

'Event'

URGENCY_YAML =

'Urgency'

SEVERITY_YAML =

'Severity'

CERTAINTY_YAML =

'Certainty'

AUDIENCE_YAML =

'Audience'

EFFECTIVE_YAML =

'Effective'

ONSET_YAML =

'Onset'

EXPIRES_YAML =

'Expires'

SENDER_NAME_YAML =

'Sender Name'

HEADLINE_YAML =

'Headline'

DESCRIPTION_YAML =

'Description'

INSTRUCTION_YAML =

'Instruction'

WEB_YAML =

'Web'

CONTACT_YAML =

'Contact'

EVENT_CODES_YAML =

'Event Codes'

PARAMETERS_YAML =

'Parameters'

RESOURCES_YAML =

'Resources'

AREAS_YAML =

'Areas'

LANGUAGE_KEY =

'language'

CATEGORIES_KEY =

'categories'

EVENT_KEY =

'event'

URGENCY_KEY =

'urgency'

SEVERITY_KEY =

'severity'

CERTAINTY_KEY =

'certainty'

AUDIENCE_KEY =

'audience'

EFFECTIVE_KEY =

'effective'

ONSET_KEY =

'onset'

EXPIRES_KEY =

'expires'

SENDER_NAME_KEY =

'sender_name'

HEADLINE_KEY =

'headline'

DESCRIPTION_KEY =

'description'

INSTRUCTION_KEY =

'instruction'

WEB_KEY =

'web'

CONTACT_KEY =

'contact'

RESOURCES_KEY =

'resources'

EVENT_CODES_KEY =

'event_codes'

PARAMETERS_KEY =

'parameters'

AREAS_KEY =

'areas'

Instance Attribute Summary (collapse)

• - (Array<Area>) areas readonly

  Collection of Area objects.

• - (String) audience
• - (Array<String>) categories readonly

  Collection of textual categories; elements can be one of VALID_CATEGORIES.

• - (String) certainty

  Value can only be one of VALID_CERTAINTIES.

• - (String) contact
• - (String) description
• - (DateTime) effective

  Effective start time of information.

• - (String) event
• - (Array<EventCode>) event_codes readonly

  Collection of EventCode objects.

• - (DateTime) expires

  Effective expiry time of information.

• - (String) headline
• - (String) instruction
• - (String) language
• - (DateTime) onset

  Expected start of event.

• - (Array<Parameter>) parameters readonly

  Collection of Parameter objects.

• - (Array<Resource> Collection of {Resource} objects) resources readonly

  Array<Resource> Collection of Resource objects.

• - (String) sender_name
• - (String) severity

  Value can only be one of VALID_SEVERITIES.

• - (String) urgency

  Value can only be one of VALID_URGENCIES.

• - (String) web

Class Method Summary (collapse)

• + (Info) from_h(info_hash)
• + (Info) from_xml_element(info_xml_element)
• + (Info) from_yaml_data(info_yaml_data)

Instance Method Summary (collapse)

• - (Area) add_area {|area| ... }

  Creates a new Area object and adds it to the areas array.

• - (EventCode) add_event_code {|event_code| ... }

  Creates a new EventCode object and adds it to the event_codes array.

• - (Parameter) add_parameter {|parameter| ... }

  Creates a new Parameter object and adds it to the parameters array.

• - (Resource) add_resource {|resource| ... }

  Creates a new Resource object and adds it to the resources array.

• - (RCAP::CAP_1_0::Info, ...) initialize {|_self| ... } constructor

  Initialises a new Info object which will be yielded to an attached block if given.

• - (String) inspect
• - (Hash) to_h
• - (String) to_s

  Returns a string representation of the event of the form.

• - (String) to_xml
• - (REXML::Element) to_xml_element
• - (String) to_yaml(options = {})

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# File 'lib/rcap/base/info.rb', line 146

def initialize
  @language       = DEFAULT_LANGUAGE
  @categories     = []
  @event_codes    = []
  @parameters     = []
  @resources      = []
  @areas          = []
  yield( self ) if block_given?
end

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# File 'lib/rcap/base/info.rb', line 140

def areas
  @areas
end

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# File 'lib/rcap/base/info.rb', line 111

def audience
  @audience
end

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# File 'lib/rcap/base/info.rb', line 132

def categories
  @categories
end

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# File 'lib/rcap/base/info.rb', line 107

def certainty
  @certainty
end

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# File 'lib/rcap/base/info.rb', line 129

def contact
  @contact
end

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# File 'lib/rcap/base/info.rb', line 123

def description
  @description
end

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# File 'lib/rcap/base/info.rb', line 113

def effective
  @effective
end

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# File 'lib/rcap/base/info.rb', line 101

def event
  @event
end

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# File 'lib/rcap/base/info.rb', line 134

def event_codes
  @event_codes
end

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# File 'lib/rcap/base/info.rb', line 117

def expires
  @expires
end

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# File 'lib/rcap/base/info.rb', line 121

def headline
  @headline
end

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# File 'lib/rcap/base/info.rb', line 125

def instruction
  @instruction
end

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# File 'lib/rcap/base/info.rb', line 109

def language
  @language
end

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# File 'lib/rcap/base/info.rb', line 115

def onset
  @onset
end

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# File 'lib/rcap/base/info.rb', line 136

def parameters
  @parameters
end

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# File 'lib/rcap/base/info.rb', line 138

def resources
  @resources
end

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# File 'lib/rcap/base/info.rb', line 119

def sender_name
  @sender_name
end

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# File 'lib/rcap/base/info.rb', line 105

def severity
  @severity
end

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# File 'lib/rcap/base/info.rb', line 103

def urgency
  @urgency
end

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# File 'lib/rcap/base/info.rb', line 127

def web
  @web
end

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# File 'lib/rcap/base/info.rb', line 458

def self.from_h( info_hash )
  self.new do |info|
    info.language       = info_hash[ LANGUAGE_KEY ]
    Array( info_hash[ CATEGORIES_KEY ]).each do |category|
      info.categories << RCAP.strip_if_given( category )
    end
    info.event          = RCAP.strip_if_given( info_hash[ EVENT_KEY ])
    info.urgency        = RCAP.strip_if_given( info_hash[ URGENCY_KEY ])
    info.severity       = RCAP.strip_if_given( info_hash[ SEVERITY_KEY ])
    info.certainty      = RCAP.strip_if_given( info_hash[ CERTAINTY_KEY ])
    info.audience       = RCAP.strip_if_given( info_hash[ AUDIENCE_KEY ])
    info.effective      = RCAP.parse_datetime( info_hash[ EFFECTIVE_KEY ])
    info.onset          = RCAP.parse_datetime( info_hash[ ONSET_KEY ])
    info.expires        = RCAP.parse_datetime( info_hash[ EXPIRES_KEY ])
    info.sender_name    = RCAP.strip_if_given( info_hash[ SENDER_NAME_KEY ])
    info.headline       = RCAP.strip_if_given( info_hash[ HEADLINE_KEY ])
    info.description    = RCAP.strip_if_given( info_hash[ DESCRIPTION_KEY ])
    info.instruction    = RCAP.strip_if_given( info_hash[ INSTRUCTION_KEY ])
    info.web            = RCAP.strip_if_given( info_hash[ WEB_KEY ])
    info.contact        = RCAP.strip_if_given( info_hash[ CONTACT_KEY ])

    Array( info_hash[ RESOURCES_KEY ]).each do |resource_hash|
      info.resources << info.resource_class.from_h( resource_hash )
    end

    Array( info_hash[ EVENT_CODES_KEY ]).each do |event_code_hash|
      info.event_codes << info.event_code_class.from_h( event_code_hash )
    end

    Array( info_hash[ PARAMETERS_KEY ]).each do |parameter_hash|
      info.parameters << info.parameter_class.from_h( parameter_hash )
    end

    Array( info_hash[ AREAS_KEY ]).each do |area_hash|
     info.areas <<  info.area_class.from_h( area_hash )
    end
  end
end

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# File 'lib/rcap/base/info.rb', line 239

def self.from_xml_element( info_xml_element )
  self.new do |info|
    info.language       = RCAP.xpath_text( info_xml_element, LANGUAGE_XPATH, info.xmlns ) || DEFAULT_LANGUAGE

    RCAP.xpath_match( info_xml_element, CATEGORY_XPATH, info.xmlns ).each do |element|
      info.categories << element.text
    end

    info.event          = RCAP.xpath_text( info_xml_element, EVENT_XPATH, info.xmlns )
    info.urgency        = RCAP.xpath_text( info_xml_element, URGENCY_XPATH, info.xmlns )
    info.severity       = RCAP.xpath_text( info_xml_element, SEVERITY_XPATH, info.xmlns )
    info.certainty      = RCAP.xpath_text( info_xml_element, CERTAINTY_XPATH, info.xmlns )
    info.audience       = RCAP.xpath_text( info_xml_element, AUDIENCE_XPATH, info.xmlns )
    info.effective      = RCAP.parse_datetime( RCAP.xpath_text( info_xml_element, EFFECTIVE_XPATH, info.xmlns ))
    info.onset          = RCAP.parse_datetime( RCAP.xpath_text( info_xml_element, ONSET_XPATH, info.xmlns ))
    info.expires        = RCAP.parse_datetime( RCAP.xpath_text( info_xml_element, EXPIRES_XPATH, info.xmlns ))
    info.sender_name    = RCAP.xpath_text( info_xml_element, SENDER_NAME_XPATH, info.xmlns )
    info.headline       = RCAP.xpath_text( info_xml_element, HEADLINE_XPATH, info.xmlns )
    info.description    = RCAP.xpath_text( info_xml_element, DESCRIPTION_XPATH, info.xmlns )
    info.instruction    = RCAP.xpath_text( info_xml_element, INSTRUCTION_XPATH, info.xmlns )
    info.web            = RCAP.xpath_text( info_xml_element, WEB_XPATH, info.xmlns )
    info.contact        = RCAP.xpath_text( info_xml_element, CONTACT_XPATH, info.xmlns )

    RCAP.xpath_match( info_xml_element, info.event_code_class::XPATH, info.xmlns ).each do |element|
      info.event_codes << info.event_code_class.from_xml_element( element )
    end

    RCAP.xpath_match( info_xml_element, info.parameter_class::XPATH, info.xmlns ).each do |element|
      info.parameters <<  info.parameter_class.from_xml_element( element )
    end

    RCAP.xpath_match( info_xml_element, info.resource_class::XPATH, info.xmlns ).each do  |element|
     info.resources <<  info.resource_class.from_xml_element( element )
    end

    RCAP.xpath_match( info_xml_element, info.area_class::XPATH, info.xmlns ).each do |element|
      info.areas << info.area_class.from_xml_element( element )
    end
  end
end

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# File 'lib/rcap/base/info.rb', line 366

def self.from_yaml_data( info_yaml_data )
  self.new do |info|
    info.language    = info_yaml_data [ LANGUAGE_YAML ]
    Array( info_yaml_data [ CATEGORIES_YAML ]).each do |category|
      info.categories << category
    end
    info.event       = RCAP.strip_if_given( info_yaml_data [ EVENT_YAML ])
    info.urgency     = RCAP.strip_if_given( info_yaml_data [ URGENCY_YAML ])
    info.severity    = RCAP.strip_if_given( info_yaml_data [ SEVERITY_YAML ])
    info.certainty   = RCAP.strip_if_given( info_yaml_data [ CERTAINTY_YAML ])
    info.audience    = RCAP.strip_if_given( info_yaml_data [ AUDIENCE_YAML ])
    info.effective   = RCAP.parse_datetime( info_yaml_data[ EFFECTIVE_YAML ])
    info.onset       = RCAP.parse_datetime( info_yaml_data[ ONSET_YAML ])
    info.expires     = RCAP.parse_datetime( info_yaml_data[ EXPIRES_YAML ])
    info.sender_name = RCAP.strip_if_given( info_yaml_data [ SENDER_NAME_YAML ])
    info.headline    = RCAP.strip_if_given( info_yaml_data [ HEADLINE_YAML ])
    info.description = RCAP.strip_if_given( info_yaml_data [ DESCRIPTION_YAML ])
    info.instruction = RCAP.strip_if_given( info_yaml_data [ INSTRUCTION_YAML ])
    info.web         = RCAP.strip_if_given( info_yaml_data [ WEB_YAML ])
    info.contact     = RCAP.strip_if_given( info_yaml_data [ CONTACT_YAML ])

    Array( info_yaml_data [ EVENT_CODES_YAML ]).each do  |name,value|
      info.add_event_code do |event_code|
        event_code.name  = RCAP.strip_if_given( name )
        event_code.value = RCAP.strip_if_given( value )
      end
    end

    Array( info_yaml_data [ PARAMETERS_YAML ]).each do |name,value|
      info.add_parameter do |parameter|
        parameter.name  = RCAP.strip_if_given( name )
        parameter.value = RCAP.strip_if_given( value )
      end
    end

    Array( info_yaml_data [ RESOURCES_YAML ]).each do |resource_yaml_data|
      info.resources << info.resource_class.from_yaml_data( resource_yaml_data )
    end

    Array( info_yaml_data [ AREAS_YAML ]).each do |area_yaml_data|
      info.areas << info.area_class.from_yaml_data( area_yaml_data )
    end
  end
end

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# File 'lib/rcap/base/info.rb', line 189

def add_area
  area = self.area_class.new
  yield( area ) if block_given?
  @areas << area
  area
end

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# File 'lib/rcap/base/info.rb', line 159

def add_event_code
  event_code = self.event_code_class.new
  yield( event_code ) if block_given?
  @event_codes << event_code
  event_code
end

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# File 'lib/rcap/base/info.rb', line 169

def add_parameter
  parameter = self.parameter_class.new
  yield( parameter ) if block_given?
  @parameters << parameter
  parameter
end

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# File 'lib/rcap/base/info.rb', line 179

def add_resource
  resource = self.resource_class.new
  yield( resource ) if block_given?
  @resources << resource
  resource
end

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# File 'lib/rcap/base/info.rb', line 281

def inspect
  info_inspect = "Language:       #{ @language }\n"+
  "Categories:     #{ @categories.to_s_for_cap }\n"+
  "Event:          #{ @event }\n"+
  "Urgency:        #{ @urgency }\n"+
  "Severity:       #{ @severity }\n"+
  "Certainty:      #{ @certainty }\n"+
  "Audience:       #{ @audience }\n"+
  "Event Codes:    #{ @event_codes.inspect }\n"+
  "Effective:      #{ @effective }\n"+
  "Onset:          #{ @onset }\n"+
  "Expires:        #{ @expires }\n"+
  "Sender Name:    #{ @sender_name }\n"+
  "Headline:       #{ @headline }\n"+
  "Description:\n"+
    @description.to_s.lines.map{ |line| "  " + line }.join( "\n")+"\n"+
    "Instruction:    #{ @instruction }\n"+
  "Web:            #{ @web }\n"+
  "Contact:        #{ @contact }\n"+
  "Parameters:\n"+
    @parameters.map{ |parameter| "  " + parameter.inspect }.join( "\n" )+"\n"+
    "Resources:\n"+
    @resources.map{ |resource| "  " + resource.inspect }.join( "\n" )+"\n"+
    "Area:\n"+
    @areas.map{ |area| "  #{ area }" }.join( "\n" )+"\n"
  RCAP.format_lines_for_inspect( 'INFO', info_inspect )
end

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# File 'lib/rcap/base/info.rb', line 433

def to_h
  RCAP.attribute_values_to_hash( [ LANGUAGE_KEY,      @language ],
                                 [ CATEGORIES_KEY,     @categories ],
                                 [ EVENT_KEY,          @event ],
                                 [ URGENCY_KEY,        @urgency ],
                                 [ SEVERITY_KEY,       @severity ],
                                 [ CERTAINTY_KEY,      @certainty ],
                                 [ AUDIENCE_KEY,       @audience ],
                                 [ EFFECTIVE_KEY,      RCAP.to_s_for_cap( @effective )],
                                 [ ONSET_KEY,          RCAP.to_s_for_cap( @onset )],
                                 [ EXPIRES_KEY,        RCAP.to_s_for_cap( @expires )],
                                 [ SENDER_NAME_KEY,    @sender_name ],
                                 [ HEADLINE_KEY,       @headline ],
                                 [ DESCRIPTION_KEY,    @description ],
                                 [ INSTRUCTION_KEY,    @instruction ],
                                 [ WEB_KEY,            @web ],
                                 [ CONTACT_KEY,        @contact ],
                                 [ RESOURCES_KEY,      @resources.map{ |resource| resource.to_h } ],
                                 [ EVENT_CODES_KEY,    @event_codes.map{ |event_code| event_code.to_h } ],
                                 [ PARAMETERS_KEY,     @parameters.map{ |parameter| parameter.to_h } ],
                                 [ AREAS_KEY,          @areas.map{ |area| area.to_h }])
end

event(urgency/severity/certainty)

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# File 'lib/rcap/base/info.rb', line 313

def to_s
  "#{ @event }(#{ @urgency }/#{ @severity }/#{ @certainty })"
end

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# File 'lib/rcap/base/info.rb', line 233

def to_xml
  self.to_xml_element.to_s
end

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# File 'lib/rcap/base/info.rb', line 197

def to_xml_element
  xml_element = REXML::Element.new( XML_ELEMENT_NAME )
  xml_element.add_element( LANGUAGE_ELEMENT_NAME ).add_text( @language ) if @language
  @categories.each do |category|
    xml_element.add_element( CATEGORY_ELEMENT_NAME ).add_text( category )
  end
  xml_element.add_element( EVENT_ELEMENT_NAME ).add_text( @event )
  xml_element.add_element( URGENCY_ELEMENT_NAME ).add_text( @urgency )
  xml_element.add_element( SEVERITY_ELEMENT_NAME ).add_text( @severity )
  xml_element.add_element( CERTAINTY_ELEMENT_NAME ).add_text( @certainty )
  xml_element.add_element( AUDIENCE_ELEMENT_NAME ).add_text( @audience ) if @audience
  @event_codes.each do |event_code|
    xml_element.add_element( event_code.to_xml_element )
  end
  xml_element.add_element( EFFECTIVE_ELEMENT_NAME ).add_text( @effective.to_s_for_cap ) if @effective
  xml_element.add_element( ONSET_ELEMENT_NAME ).add_text( @onset.to_s_for_cap )         if @onset
  xml_element.add_element( EXPIRES_ELEMENT_NAME ).add_text( @expires.to_s_for_cap )     if @expires
  xml_element.add_element( SENDER_NAME_ELEMENT_NAME ).add_text( @sender_name )          if @sender_name
  xml_element.add_element( HEADLINE_ELEMENT_NAME ).add_text( @headline )                if @headline
  xml_element.add_element( DESCRIPTION_ELEMENT_NAME ).add_text( @description )          if @description
  xml_element.add_element( INSTRUCTION_ELEMENT_NAME ).add_text( @instruction )          if @instruction
  xml_element.add_element( WEB_ELEMENT_NAME ).add_text( @web )                          if @web
  xml_element.add_element( CONTACT_ELEMENT_NAME ).add_text( @contact )                  if @contact
  @parameters.each do |parameter|
    xml_element.add_element( parameter.to_xml_element )
  end
  @resources.each do |resource|
    xml_element.add_element( resource.to_xml_element )
  end
  @areas.each do |area|
    xml_element.add_element( area.to_xml_element )
  end
  xml_element
end

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# File 'lib/rcap/base/info.rb', line 339

def to_yaml( options = {} )
  parameter_to_hash = lambda{ |hash, parameter| hash.merge( parameter.name => parameter.value )}

  RCAP.attribute_values_to_hash( [ LANGUAGE_YAML,       @language ],
                                 [ CATEGORIES_YAML,     @categories ],
                                 [ EVENT_YAML,          @event ],
                                 [ URGENCY_YAML,        @urgency ],
                                 [ SEVERITY_YAML,       @severity ],
                                 [ CERTAINTY_YAML,      @certainty ],
                                 [ AUDIENCE_YAML,       @audience ],
                                 [ EFFECTIVE_YAML,      @effective ],
                                 [ ONSET_YAML,          @onset ],
                                 [ EXPIRES_YAML,        @expires ],
                                 [ SENDER_NAME_YAML,    @sender_name ],
                                 [ HEADLINE_YAML,       @headline ],
                                 [ DESCRIPTION_YAML,    @description ],
                                 [ INSTRUCTION_YAML,    @instruction ],
                                 [ WEB_YAML,            @web ],
                                 [ CONTACT_YAML,        @contact ],
                                 [ EVENT_CODES_YAML,    @event_codes.inject({}, &parameter_to_hash )],
                                 [ PARAMETERS_YAML,     @parameters.inject({}, &parameter_to_hash )],
                                 [ RESOURCES_YAML,      @resources ],
                                 [ AREAS_YAML,          @areas ]).to_yaml( options )
end