Package com.vaadin.flow.internal

Interface DevModeHandler

All Superinterfaces:
RequestHandler, Serializable
public interface DevModeHandler extends RequestHandler

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    getFailedOutput()
    Return the dev server console output when a compilation error happened.
    int
    getPort()
    Get the listening port of the dev server.
    File
    getProjectRoot()
    Gets the project root folder.
    HttpURLConnection
    prepareConnection(String path, String method)
    Prepare a HTTP connection against the dev server.
    boolean
    serveDevModeRequest(jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response)
    Serve a file by proxying to the dev server.
    void
    stop()
    Stop the dev-server.

    Methods inherited from interface com.vaadin.flow.server.RequestHandler

    handleRequest

  • Method Details

    • getFailedOutput

      String getFailedOutput()
      Return the dev server console output when a compilation error happened.
      Returns:
      console output if error or null otherwise.

    • prepareConnection

      HttpURLConnection prepareConnection(String path, String method) throws IOException
      Prepare a HTTP connection against the dev server.
      Parameters:
      path - the file to request, needs to be safe
      method - the http method to use
      Returns:
      the connection
      Throws:
      IOException - on connection error

    • serveDevModeRequest

      boolean serveDevModeRequest(jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response) throws IOException
      Serve a file by proxying to the dev server.
      Parameters:
      request - the servlet request
      response - the servlet response
      Returns:
      false if the dev server returned a not found, true otherwise
      Throws:
      IOException - in the case something went wrong like connection refused

    • stop

      void stop()
      Stop the dev-server.

    • getProjectRoot

      File getProjectRoot()
      Gets the project root folder.
      Returns:
      the project root folder

    • getPort

      int getPort()
      Get the listening port of the dev server.
      Returns:
      the listening port