Package org.apache.calcite.util

Interface Source

public interface Source
Source of data.

  • Method Details

    • url

      URL url()

    • file

      File file()

    • fileOpt

      Optional<File> fileOpt()

    • path

      String path()

    • reader

      Reader reader() throws IOException
      Throws:
      IOException

    • openStream

      InputStream openStream() throws IOException
      Throws:
      IOException

    • protocol

      String protocol()

    • trim

      Source trim(String suffix)
      Looks for a suffix on a path and returns either the path with the suffix removed or the original path.

    • trimOrNull

      @Nullable Source trimOrNull(String suffix)
      Looks for a suffix on a path and returns either the path with the suffix removed or null.

    • append

      Source append(Source child)
      Returns a source whose path concatenates this with a child.

      For example,

      • source("/foo").append(source("bar")) returns source("/foo/bar")
      • source("/foo").append(source("/bar")) returns source("/bar") because "/bar" was already absolute

    • relative

      Source relative(Source source)
      Returns a relative source, if this source is a child of a given base.

      For example,

      • source("/foo/bar").relative(source("/foo")) returns source("bar")
      • source("/baz/bar").relative(source("/foo")) returns source("/baz/bar")