fitnesse.wiki.SystemVariableSource Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of fitnesse Show documentation

The fully integrated standalone wiki, and acceptance testing framework.

The newest version!

package fitnesse.wiki;

import java.util.Optional;
import java.util.Properties;

import fitnesse.wikitext.VariableSource;

public class SystemVariableSource implements VariableSource {
  private final Properties properties;

  public SystemVariableSource(Properties properties) {
    this.properties = properties;
  }

  public SystemVariableSource() {
    this(null);
  }

  @Override
  public Optional findVariable(String name) {
    return Optional.ofNullable(getProperty(name));
  }

  public String getProperty(String name) {
    String p = System.getenv(name);
    if (p != null) return p;

    p = System.getProperty(name);
    if (p != null) return p;

    return properties != null ? properties.getProperty(name) : null;
  }
}