logback-android/src/main/java/ch/qos/logback/core/net/ssl/SSLContextFactoryBean.java
private String locationFromSystemProperty(String name) {
    String location = System.getProperty(name);
    if (location != null && !location.startsWith("file:")) {
      location = "file:" + location;
    }
    return location;
  }
private String locationFromSystemProperty(String name) {
    String location = System.getProperty(name);
    if (location != null && !location.startsWith("file:")) {
      location = "file:" + location;
    }
    return location;
  }
Constructs a resource location from a JSSE system property.
@param name property name (e.g. {@code javax.net.ssl.keyStore})
@return URL for the location specified in the property or {@code null}
if no value is defined for the property