001package votorola.g.net; // Copyright 2007-2008, 2012, Michael Allan. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE. 002 003import java.net.*; 004import java.util.regex.*; 005import votorola.g.lang.*; 006 007 008/** URI utilities. 009 * 010 * @see <a href='http://tools.ietf.org/html/rfc2396' target='_top'>Uniform Resource 011 * Identifiers (URI): Generic Syntax</a> 012 * @see <a href='http://tools.ietf.org/html/rfc2732' target='_top'>Format for Literal 013 * IPv6 Addresses in URL's</a> 014 */ 015public @ThreadSafe final class URIX 016{ 017 018 private URIX() {} 019 020 021 022 /** Returns an escaped version of the specified string suitable for inclusion in a 023 * URI. 024 * 025 * @see URLEncoder 026 * @deprecated in favour of com.sun.jersey.api.uri.UriComponent.encode(). 027 */ 028 public static @Deprecated String escaped( String string ) 029 { 030 try{ string = URLEncoder.encode( string, "UTF-8" ); } // UTF-8 recommended by URLEncoder 031 catch( java.io.UnsupportedEncodingException x ) { throw new RuntimeException( x ); } 032 return string; 033 } 034 035 036 037 /** Returns the URI stripped of any fragment component. 038 */ 039 public static String fragmentStripped( String loc ) 040 { 041 final int f = loc.lastIndexOf( '#' ); 042 if( f >= 0 ) loc = loc.substring( 0, f ); 043 return loc; 044 } 045 046 047 048 /** Pattern to strip scheme and leading/trailing path separators '/' from an HTTP URL. 049 * It should always match provided the URL has a path. The stripped version is 050 * returned in group 1. 051 */ 052 public static final Pattern HTTP_STRIP_PATTERN = Pattern.compile( "^(?:http:)?/*(.*[^/])/*$" ); 053 054 055 056 /** Returns the stripped version of the HTTP URL if it matches {@linkplain 057 * #HTTP_STRIP_PATTERN HTTP_STRIP_PATTERN}, otherwise the original URL. 058 */ 059 public static final String httpStripped( final String loc ) 060 { 061 final Matcher m = URIX.HTTP_STRIP_PATTERN.matcher( loc ); 062 return m.matches()? m.group(1): loc; 063 } 064 065 066 067 // /** Returns the URI stripped of any query and fragment components. 068 // */ 069 // public static URI queryFragmentStripped( URI uri ) 070 // { 071 // if( uri.getRawQuery() == null && uri.getRawFragment() == null ) return uri; 072 // 073 // try 074 // { 075 // if( uri.isOpaque() ) return new URI // never tested 076 // ( 077 // // uri.getScheme(), uri.getRawSchemeSpecificPart(), /*fragment*/null 078 // //// but the multi-arg constructors do quoting/escaping, so give them unescaped: 079 // uri.getScheme(), uri.getSchemeSpecificPart(), /*fragment*/null 080 // ); 081 // else return new /*hierarchical*/URI 082 // ( 083 // // uri.getScheme(), uri.getRawAuthority(), uri.getRawPath(), 084 // //// ditto 085 // uri.getScheme(), uri.getAuthority(), uri.getPath(), 086 // /*query*/null, /*fragment*/null 087 // ); 088 // } 089 // catch( URISyntaxException x ) { throw new RuntimeException( x ); } 090 // } 091 092 093 094}