Make getFilePath private.

Author: RubenVerborgh

lib/resource-mapper.js

@@ -44,7 +44,7 @@ class ResourceMapper {
   // Maps the request for a given resource and representation format to a server file
   // When searchIndex is true and the URL ends with a '/', and contentType includes 'text/html' indexFilename will be matched.
   async mapUrlToFile ({ url, contentType, createIfNotExists, searchIndex = true }) {
-    let fullFilePath = this.getFilePath(url)
+    let fullFilePath = this._getFilePath(url)
     let isIndex = searchIndex && fullFilePath.endsWith('/')
     let path
 
@@ -101,7 +101,7 @@ class ResourceMapper {
   }
 
   async getRepresentationUrlForResource (resourceUrl) {
-    let fullFilePath = this.getFilePath(resourceUrl)
+    let fullFilePath = this._getFilePath(resourceUrl)
     let isIndex = fullFilePath.endsWith('/')
 
     // Append index filename if the URL ends with a '/'
@@ -146,7 +146,7 @@ class ResourceMapper {
   }
 
   // Determine the full file path corresponding to a URL
-  getFilePath (url) {
+  _getFilePath (url) {
     const { pathname, hostname } = this._parseUrl(url)
     const fullFilePath = decodeURIComponent(`${this.getBasePath(hostname)}${pathname}`)
     if (fullFilePath.indexOf('/..') >= 0) {