Summarize profile properties in a maven pom.xml

summarize_pom.rb

# Summarize profile properties in a maven pom.xml
# Parameter: pom.xml filename
# Output: tab-delimited table of profiles & properties

require 'crack/xml'

x = Crack::XML.parse(File.new(ARGV[0]))

m = {}
all_properties = {}

x['project']['profiles']['profile'].each do |p|
  m[p['id']] = {}
  m[p['id']]['activeByDefault'] = 'X' if p['activation'] and p['activation']['activeByDefault']
  all_properties['activeByDefault'] = true
  p['properties'].keys.each do |pr|
    all_properties[pr] = true
    m[p['id']][pr] = p['properties'][pr]
  end
end

puts ([''] + m.keys.sort).join("\t")
all_properties.keys.sort.each do |pr|
  props = m.keys.sort.collect do |profile|
    m[profile][pr]
  end
  puts ([pr] + props).join("\t")
end