com.firefly.codec.websocket.utils.WSURI Maven / Gradle / Ivy
package com.firefly.codec.websocket.utils;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Objects;
/**
* Utility methods for converting a {@link URI} between a HTTP(S) and WS(S) URI.
*/
public final class WSURI {
/**
* Convert to HTTP http
or https
scheme URIs.
*
* Converting ws
and wss
URIs to their HTTP equivalent
*
* @param inputUri the input URI
* @return the HTTP scheme URI for the input URI.
* @throws URISyntaxException if unable to convert the input URI
*/
public static URI toHttp(final URI inputUri) throws URISyntaxException {
Objects.requireNonNull(inputUri, "Input URI must not be null");
String wsScheme = inputUri.getScheme();
if ("http".equalsIgnoreCase(wsScheme) || "https".equalsIgnoreCase(wsScheme)) {
// leave alone
return inputUri;
}
if ("ws".equalsIgnoreCase(wsScheme)) {
// convert to http
return new URI("http" + inputUri.toString().substring(wsScheme.length()));
}
if ("wss".equalsIgnoreCase(wsScheme)) {
// convert to https
return new URI("https" + inputUri.toString().substring(wsScheme.length()));
}
throw new URISyntaxException(inputUri.toString(), "Unrecognized WebSocket scheme");
}
/**
* Convert to WebSocket ws
or wss
scheme URIs
*
* Converting http
and https
URIs to their WebSocket equivalent
*
* @param inputUrl the input URI
* @return the WebSocket scheme URI for the input URI.
* @throws URISyntaxException if unable to convert the input URI
*/
public static URI toWebsocket(CharSequence inputUrl) throws URISyntaxException {
return toWebsocket(new URI(inputUrl.toString()));
}
/**
* Convert to WebSocket ws
or wss
scheme URIs
*
* Converting http
and https
URIs to their WebSocket equivalent
*
* @param inputUrl the input URI
* @param query the optional query string
* @return the WebSocket scheme URI for the input URI.
* @throws URISyntaxException if unable to convert the input URI
*/
public static URI toWebsocket(CharSequence inputUrl, String query) throws URISyntaxException {
if (query == null) {
return toWebsocket(new URI(inputUrl.toString()));
}
return toWebsocket(new URI(inputUrl.toString() + '?' + query));
}
/**
* Convert to WebSocket ws
or wss
scheme URIs
*
*
* Converting http
and https
URIs to their WebSocket equivalent
*
* @param inputUri the input URI
* @return the WebSocket scheme URI for the input URI.
* @throws URISyntaxException if unable to convert the input URI
*/
public static URI toWebsocket(final URI inputUri) throws URISyntaxException {
Objects.requireNonNull(inputUri, "Input URI must not be null");
String httpScheme = inputUri.getScheme();
if ("ws".equalsIgnoreCase(httpScheme) || "wss".equalsIgnoreCase(httpScheme)) {
// keep as-is
return inputUri;
}
if ("http".equalsIgnoreCase(httpScheme)) {
// convert to ws
return new URI("ws" + inputUri.toString().substring(httpScheme.length()));
}
if ("https".equalsIgnoreCase(httpScheme)) {
// convert to wss
return new URI("wss" + inputUri.toString().substring(httpScheme.length()));
}
throw new URISyntaxException(inputUri.toString(), "Unrecognized HTTP scheme");
}
}