org.joseki.http.HttpUtils Maven / Gradle / Ivy
/*
* (c) Copyright 2004, 2005, 2006, 2007, 2008, 2009 Hewlett-Packard Development Company, LP
* All rights reserved.
* [See end of file]
*/
package org.joseki.http;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.joseki.util.Convert;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** org.joseki.server.http.HttpUtils
*
* @author Andy Seaborne
* @version $Id: HttpUtils.java,v 1.8 2009/04/24 14:30:44 andy_seaborne Exp $
*/
public class HttpUtils
{
private static Logger log = LoggerFactory.getLogger(HttpUtils.class) ;
/// Relevant headers:
// "Accept", "Accept-Encoding", "Accept-Charset"
// Setting: Content-type, Content-Encoding
// More complex preferences matching would be to weight the prefs and maximze
// accept q * pref q. No need to be that complicated at the moment.
public static AcceptItem chooseCharset(HttpServletRequest httpRequest,
AcceptList myPrefs,
AcceptItem defaultAcceptItem)
{
String a = httpRequest.getHeader("Accept-Charset") ;
if ( log.isDebugEnabled() )
log.debug("Accept-Charset request: "+a) ;
AcceptItem item = choose(a, myPrefs, defaultAcceptItem) ;
if ( log.isDebugEnabled() )
log.debug("Charset chosen: "+item) ;
return item ;
}
public static AcceptItem chooseContentType(HttpServletRequest httpRequest,
AcceptList myPrefs,
AcceptItem defaultAcceptItem)
{
String a = httpRequest.getHeader("Accept") ;
if ( log.isDebugEnabled() )
log.debug("Accept request: "+a) ;
AcceptItem item = choose(a, myPrefs, defaultAcceptItem) ;
if ( log.isDebugEnabled() )
log.debug("Content type chosen: "+item) ;
return item ;
}
public static AcceptItem choose(String headerString, AcceptList myPrefs,
AcceptItem defaultAcceptItem)
{
if ( headerString == null )
return defaultAcceptItem ;
AcceptList headerList = new AcceptList(headerString) ;
if ( myPrefs == null )
return headerList.first() ;
AcceptItem i = AcceptList.match(headerList, myPrefs) ;
if ( i == null )
return defaultAcceptItem ;
return i ;
}
public static String match(String headerString, String str)
{
AcceptList l = new AcceptList(headerString) ;
AcceptItem aItem = new AcceptItem(str) ;
AcceptItem m = l.match(aItem) ;
if ( m == null )
return null ;
return m.toHeaderString() ;
}
public static boolean accept(String headerString, String str)
{
AcceptList l = new AcceptList(headerString) ;
AcceptItem aItem = new AcceptItem(str) ;
return l.accepts(aItem) ;
}
static String fmtRequest(HttpServletRequest request)
{
StringBuffer sbuff = new StringBuffer() ;
sbuff.append(request.getMethod()) ;
sbuff.append(" ") ;
sbuff.append(Convert.decWWWForm(request.getRequestURL()));
String qs = request.getQueryString();
if (qs != null)
{
String tmp = request.getQueryString() ;
tmp = Convert.decWWWForm(tmp) ;
tmp = tmp.replace('\n', ' ') ;
tmp = tmp.replace('\r', ' ') ;
// You may need to split this - Eclipse bug means it wants the AbstractStringBuffer class
sbuff.append("?").append(tmp);
}
return sbuff.toString() ;
}
public static String httpResponseCode(int responseCode)
{
switch (responseCode)
{
case HttpServletResponse.SC_CONTINUE: return "SC_CONTINUE" ;
case HttpServletResponse.SC_SWITCHING_PROTOCOLS: return "SC_SWITCHING_PROTOCOLS" ;
case HttpServletResponse.SC_OK: return "SC_OK" ;
case HttpServletResponse.SC_CREATED: return "SC_CREATED" ;
case HttpServletResponse.SC_ACCEPTED: return "SC_ACCEPTED" ;
case HttpServletResponse.SC_NON_AUTHORITATIVE_INFORMATION: return "SC_NON_AUTHORITATIVE_INFORMATION" ;
case HttpServletResponse.SC_NO_CONTENT: return "SC_NO_CONTENT" ;
case HttpServletResponse.SC_RESET_CONTENT: return "SC_RESET_CONTENT" ;
case HttpServletResponse.SC_PARTIAL_CONTENT: return "SC_PARTIAL_CONTENT" ;
case HttpServletResponse.SC_MULTIPLE_CHOICES: return "SC_MULTIPLE_CHOICES" ;
case HttpServletResponse.SC_MOVED_PERMANENTLY: return "SC_MOVED_PERMANENTLY" ;
case HttpServletResponse.SC_MOVED_TEMPORARILY: return "SC_MOVED_TEMPORARILY" ;
case HttpServletResponse.SC_SEE_OTHER: return "SC_SEE_OTHER" ;
case HttpServletResponse.SC_NOT_MODIFIED: return "SC_NOT_MODIFIED" ;
case HttpServletResponse.SC_USE_PROXY: return "SC_USE_PROXY" ;
case HttpServletResponse.SC_TEMPORARY_REDIRECT: return "SC_TEMPORARY_REDIRECT" ;
case HttpServletResponse.SC_BAD_REQUEST: return "SC_BAD_REQUEST" ;
case HttpServletResponse.SC_UNAUTHORIZED: return "SC_UNAUTHORIZED" ;
case HttpServletResponse.SC_PAYMENT_REQUIRED: return "SC_PAYMENT_REQUIRED" ;
case HttpServletResponse.SC_FORBIDDEN: return "SC_FORBIDDEN" ;
case HttpServletResponse.SC_NOT_FOUND: return "SC_NOT_FOUND" ;
case HttpServletResponse.SC_METHOD_NOT_ALLOWED: return "SC_METHOD_NOT_ALLOWED" ;
case HttpServletResponse.SC_NOT_ACCEPTABLE: return "SC_NOT_ACCEPTABLE" ;
case HttpServletResponse.SC_PROXY_AUTHENTICATION_REQUIRED: return "SC_PROXY_AUTHENTICATION_REQUIRED" ;
case HttpServletResponse.SC_REQUEST_TIMEOUT: return "SC_REQUEST_TIMEOUT" ;
case HttpServletResponse.SC_CONFLICT: return "SC_CONFLICT" ;
case HttpServletResponse.SC_GONE: return "SC_GONE" ;
case HttpServletResponse.SC_LENGTH_REQUIRED: return "SC_LENGTH_REQUIRED" ;
case HttpServletResponse.SC_PRECONDITION_FAILED: return "SC_PRECONDITION_FAILED" ;
case HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE: return "SC_REQUEST_ENTITY_TOO_LARGE" ;
case HttpServletResponse.SC_REQUEST_URI_TOO_LONG: return "SC_REQUEST_URI_TOO_LONG" ;
case HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE: return "SC_UNSUPPORTED_MEDIA_TYPE" ;
case HttpServletResponse.SC_REQUESTED_RANGE_NOT_SATISFIABLE: return "SC_REQUESTED_RANGE_NOT_SATISFIABLE" ;
case HttpServletResponse.SC_EXPECTATION_FAILED: return "SC_EXPECTATION_FAILED" ;
case HttpServletResponse.SC_INTERNAL_SERVER_ERROR: return "SC_INTERNAL_SERVER_ERROR" ;
case HttpServletResponse.SC_NOT_IMPLEMENTED: return "SC_NOT_IMPLEMENTED" ;
case HttpServletResponse.SC_BAD_GATEWAY: return "SC_BAD_GATEWAY" ;
case HttpServletResponse.SC_SERVICE_UNAVAILABLE: return "SC_SERVICE_UNAVAILABLE" ;
case HttpServletResponse.SC_GATEWAY_TIMEOUT: return "SC_GATEWAY_TIMEOUT" ;
case HttpServletResponse.SC_HTTP_VERSION_NOT_SUPPORTED: return "SC_HTTP_VERSION_NOT_SUPPORTED" ;
default: return "Unknown HTTP response code: "+responseCode ;
}
}
}
/*
* (c) Copyright 2004, 2005, 2006, 2007, 2008, 2009 Hewlett-Packard Development Company, LP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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