Class ConversionUtils

Method Details

• getEncodingFromContentType

  public static String getEncodingFromContentType(String contentType)

  Extract the encoding (charset) from the Content-Type, e.g. "text/html; charset=utf-8".

  Parameters:

  contentType - string from which the encoding should be extracted

  Returns:

  the charset encoding - or null, if none was found or the charset is not supported

  Throws:

  IllegalCharsetNameException - if the found charset is not supported

• makeRelativeURL

  public static URL makeRelativeURL(URL baseURL, String location) throws MalformedURLException

  Generate an absolute URL from a possibly relative location, allowing for extraneous leading "../" segments. The Java URL(URL, String) constructor does not remove these.

  Parameters:

  baseURL - the base URL which is used to resolve missing protocol/host in the location

  location - the location, possibly with extraneous leading "../"

  Returns:

  URL with extraneous ../ removed

  Throws:

  MalformedURLException - when the given URL is malformed

  See Also:

  • Bug 46690 - handling of 302 redirects with invalid relative paths

• escapeIllegalURLCharacters

  public static String escapeIllegalURLCharacters(String url) throws Exception

  Parameters:

  url - String Url to escape

  Returns:

  String cleaned up url

  Throws:

  Exception - when given url leads to a malformed URL or URI

• sanitizeUrl

  public static final URI sanitizeUrl(URL url) throws URISyntaxException

  Checks a URL and encodes it if necessary, i.e. if it is not currently correctly encoded. Warning: it may not work on all unencoded URLs.

  Parameters:

  url - non-encoded URL

  Returns:

  URI which has been encoded as necessary

  Throws:

  URISyntaxException - if parts of the url form a non valid URI

• removeSlashDotDot

  public static String removeSlashDotDot(String url)

  collapses absolute or relative URLs containing '/..' converting http://host/path1/../path2 to http://host/path2 or /one/two/../three to /one/three

  Parameters:

  url - in which the '/..'s should be removed

  Returns:

  collapsed URL

  See Also:

  • Bug 49083 - collapse /.. in redirect URLs