jodd-http/src/main/java/jodd/http/HttpRequest.java
public HttpRequest setHostHeader() {
		String hostPort = this.host;

		if (port != Defaults.DEFAULT_PORT) {
			hostPort += StringPool.COLON + port;
		}

		headerOverwrite(HEADER_HOST, hostPort);
		return this;
	}
public HttpRequest setHostHeader() {
		String hostPort = this.host;

		if (port != Defaults.DEFAULT_PORT) {
			hostPort += StringPool.COLON + port;
		}

		headerOverwrite(HEADER_HOST, hostPort);
		return this;
	}
Sets 'Host' header from current host and port.