JSF 2.x Tip of the Day: Determining the Base URL

This question has come up a couple of times in the last few days, so I thought I would write a couple of convenience methods to determine the Base URL.

I added them to my jsf-utils project for those who want to use my utilities.

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/**  * <p>Determines the Base URL, e.g.,  * {@literal http://localhost:8080/myApplication} from the  * {@link FacesContext}.</p>  *  * @param facesContext The {@link FacesContext} to examine.  * @return the base URL.  * @throws MalformedURLException if an exception occurs during parsing of  * the URL.  * @since 1.3  */ public String getBaseURL(final FacesContext facesContext) throws MalformedURLException {     return getBaseURL(facesContext.getExternalContext()); }   /**  * <p>Determines the Base URL, e.g.,  * {@literal http://localhost:8080/myApplication} from the  * {@link ExternalContext}.</p>  *  * @param externalContext The {@link ExternalContext} to examine.  * @return the base URL.  * @throws MalformedURLException if an exception occurs during parsing of  * the URL.  * @since 1.3  */ public String getBaseURL(final ExternalContext externalContext) throws MalformedURLException {     return getBaseURL((HttpServletRequest) externalContext.getRequest()); }   /**  * <p>Determines the Base URL, e.g.,  * {@literal http://localhost:8080/myApplication} from the  * {@link HttpServletRequest}.</p>  *  * @param request The {@link HttpServletRequest} to examine.  * @return the base URL.  * @throws MalformedURLException if an exception occurs during parsing of  * the URL.  * @see URL  * @since 1.3  */ public String getBaseURL(final HttpServletRequest request) throws MalformedURLException {     return new URL(request.getScheme(),             request.getServerName(),             request.getServerPort(),             request.getContextPath()).toString(); }