Question

I am trying to create a multi line string in Groovy. I have a list of strings that I’d like to loop through within the multi line string. I am not sure what the syntax is for this. Something like below…

    def html = """\
       <ul>
          <li>$awaiting.each { it.toPermalink()}</li>
       </ul>
     """

Answer 1

The following:

class PLink {
  String name
  String toPermalink() {
    "link->$name"
  }
}
def awaiting = [ new PLink( name:'one' ), new PLink( name:'two' ), new PLink( name:'three' ) ]
def html = """<ul>
  <li>${awaiting.collect { it.toPermalink() }.join( "</li><li>" )}</li>
</ul>"""

Produces this output:

<ul>
  <li>link->one</li><li>link->two</li><li>link->three</li>
</ul>

It basically calls the method on each element, collects the results back into another list, and then joins the list together into a string