code: protected PListAccessor getInfoPListAccessor(XCodeContext.SourceCodeLocation location, String configuration,
          String sdk)
          throws MojoExecutionException, XCodeException
    {
      File plistFile = getPListFile(location, configuration, sdk);
      if (!plistFile.isFile()) {
        throw new MojoExecutionException("The Xcode project refers to the Info.plist file '" + plistFile
              + "' that does not exist.");
      }
      return new PListAccessor(plistFile);
    }
docs: Retrieves the Info Plist out of the effective Xcode project settings and returns the accessor
  to it.