dev-mode/play-docs/src/main/java/play/docs/BuildDocHandlerFactory.java
public static BuildDocHandler fromDirectoryAndJar(File directory, JarFile jarFile, String base) {
    return fromDirectoryAndJar(directory, jarFile, base, false);
  }
public static BuildDocHandler fromDirectoryAndJar(File directory, JarFile jarFile, String base) {
    return fromDirectoryAndJar(directory, jarFile, base, false);
  }
Create an BuildDocHandler that serves the manual from a given directory by wrapping a
FilesystemRepository, and the API docs from a given JAR file by wrapping a JarRepository

@param directory The directory to serve the documentation from.
@param jarFile The JAR file to server the documentation from.
@param base The directory within the JAR file to serve the documentation from, or null if the
documentation should be served from the root of the JAR.