package de.saumya.mojo.gems.spec.yaml;
import org.yaml.snakeyaml.nodes.Node;
import org.yaml.snakeyaml.nodes.Tag;
import org.yaml.snakeyaml.representer.Represent;
import org.yaml.snakeyaml.representer.Representer;
import de.saumya.mojo.gems.spec.GemDependency;
import de.saumya.mojo.gems.spec.GemRequirement;
import de.saumya.mojo.gems.spec.GemSpecification;
import de.saumya.mojo.gems.spec.GemVersion;
/**
* A helper for snakeYaml.
*
* @author cstamas
*/
public class MappingRepresenter extends Representer {
public MappingRepresenter() {
super();
this.nullRepresenter = new RepresentNull();
this.addClassTag(GemSpecification.class,
new Tag("!ruby/object:Gem::Specification"));
this.addClassTag(GemDependency.class,
new Tag("!ruby/object:Gem::Dependency"));
this.addClassTag(GemRequirement.class,
new Tag("!ruby/object:Gem::Requirement"));
this.addClassTag(GemVersion.class, new Tag("!ruby/object:Gem::Version"));
}
private class RepresentNull implements Represent {
public Node representData(final Object data) {
return representScalar(Tag.NULL, "null");
}
}
}