#7 Template Expressions

Jul 22, 2012 | 14 minutes | Beginners, Xtend

Template expressions or rich strings provide a convenient way to generate a code snippets. Features: multi-line strings, guillemets based placeholders, conditions, iterations over collections, smart indentation and comments.

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Documentation: http://www.eclipse.org/xtend/documentation.html#templates

              xtend
                    
        def static printTag(Tag tag) {'''
  <«tag.name»«tag.attributes?.entrySet?.join(" ", " ", "", ['''«key»="«value»"'''])»>
    «FOR t : tag.tags ?: newArrayList»
      «printTag(t)»
    «ENDFOR»
  </«tag.name»>
'''}
        
def static printTag(Tag tag) {'''
  <«tag.name»«tag.attributes?.entrySet?.join(" ", " ", "", ['''«key»="«value»"'''])»>
    «FOR t : tag.tags ?: newArrayList»
      «printTag(t)»
    «ENDFOR»
  </«tag.name»>
'''}