Avoid new break line in groovy template

Question

I have YAML file with my configuration name applications.yaml, this data will be my bindings:

applications:
- name: service1
  port: 8080
  path: /servier1
- name: service2
  port: 8081
  path: /service2

Then I have a template file applications.config:

<% applications.each { application ->  %>
ApplicationName: <%= application.name %>
<% } $ %>

And putting all together:

@Grab('org.yaml:snakeyaml:1.17')
import org.yaml.snakeyaml.Yaml

Yaml parser = new Yaml()
Map data = parser.load(("applications.yaml" as File).text)

String template_content = new File('applications.config').text
def binding = [applications: data.applications]

def template = new groovy.text.GStringTemplateEngine().createTemplate(template_content).make(binding)
println template.toString()

The issues is now: the output of this process is:

ApplicationName: service1

ApplicationName: service2

But I want this:

ApplicationName: service1
ApplicationName: service2

I do not know why are those extra spaces there. I will like to remove those but I do not see how or when or what is putting those new or breaking lines.

Thank you.

Answer 1

What I observed (from answer, comments and some practice) is : All new Lines, we created inside the file applications.config are considered as new line in the output. As daggett said it is a default thing.

So Here I just want to show the possible config file format, where can be applied some conditional logic as u asked and looks ok for me. ex : if()

application.config :

<% applications.each { application ->
 if (application.valid) {%>\
Type :<%=application.valid%>
ApplicationName:<%=application.name%>
Path:<%=application.path%>
Port:<%=application.port%>
<%} else{%>\
--------------------
Found invalid Application : <%= application.name %>
--------------------\
<%}}%>

application.yaml

applications:
- name: service1
  port: 8080
  path: /servier1
  valid: true
- name: service2
  port: 8081
  path: /service2
  valid: false

code.groovy

@Grab('org.yaml:snakeyaml:1.17')
import org.yaml.snakeyaml.Yaml

Yaml parser = new Yaml()
Map data = parser.load(("applications.yaml" as File).text)

String template_content = new File('applications.config').text

def binding = [applications: data.applications]
def template = new groovy.text.GStringTemplateEngine().createTemplate(template_content).make(binding)
println template.toString()

Output :

Type :true
ApplicationName:service1
Path:/servier1
Port:8080
--------------------
Found invalid Application : service2
--------------------