Package com.vaadin.flow.internal

Interface DevModeHandler

All Superinterfaces:

RequestHandler, Serializable

All Known Implementing Classes:

AbstractDevServerRunner, ViteHandler, WebpackHandler

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(javax.servlet.http.HttpServletRequest request, javax.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 Detail

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(javax.servlet.http.HttpServletRequest request,
                            javax.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