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// ========================================================================
// Copyright 2000-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================
package org.mortbay.jetty;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import org.mortbay.io.Buffer;
import org.mortbay.io.BufferCache;
import org.mortbay.io.BufferCache.CachedBuffer;
import org.mortbay.log.Log;
import org.mortbay.util.StringUtil;
/* ------------------------------------------------------------ */
/**
* @author Greg Wilkins
*/
public class MimeTypes
{
public final static String
FORM_ENCODED="application/x-www-form-urlencoded",
MESSAGE_HTTP="message/http",
MULTIPART_BYTERANGES="multipart/byteranges",
TEXT_HTML="text/html",
TEXT_PLAIN="text/plain",
TEXT_XML="text/xml",
TEXT_HTML_8859_1="text/html; charset=iso-8859-1",
TEXT_PLAIN_8859_1="text/plain; charset=iso-8859-1",
TEXT_XML_8859_1="text/xml; charset=iso-8859-1",
TEXT_HTML_UTF_8="text/html; charset=utf-8",
TEXT_PLAIN_UTF_8="text/plain; charset=utf-8",
TEXT_XML_UTF_8="text/xml; charset=utf-8",
// minimal changes for 6.1.12
TEXT_JSON="text/json",
TEXT_JSON_UTF_8="text/json;charset=UTF-8";
private final static int
FORM_ENCODED_ORDINAL=1,
MESSAGE_HTTP_ORDINAL=2,
MULTIPART_BYTERANGES_ORDINAL=3,
TEXT_HTML_ORDINAL=4,
TEXT_PLAIN_ORDINAL=5,
TEXT_XML_ORDINAL=6,
TEXT_HTML_8859_1_ORDINAL=7,
TEXT_PLAIN_8859_1_ORDINAL=8,
TEXT_XML_8859_1_ORDINAL=9,
TEXT_HTML_UTF_8_ORDINAL=10,
TEXT_PLAIN_UTF_8_ORDINAL=11,
TEXT_XML_UTF_8_ORDINAL=12,
TEXT_JSON_ORDINAL=13,
TEXT_JSON_UTF_8_ORDINAL=14;
private static int __index=15;
public final static BufferCache CACHE = new BufferCache();
public final static CachedBuffer
FORM_ENCODED_BUFFER=CACHE.add(FORM_ENCODED,FORM_ENCODED_ORDINAL),
MESSAGE_HTTP_BUFFER=CACHE.add(MESSAGE_HTTP, MESSAGE_HTTP_ORDINAL),
MULTIPART_BYTERANGES_BUFFER=CACHE.add(MULTIPART_BYTERANGES,MULTIPART_BYTERANGES_ORDINAL),
TEXT_HTML_BUFFER=CACHE.add(TEXT_HTML,TEXT_HTML_ORDINAL),
TEXT_PLAIN_BUFFER=CACHE.add(TEXT_PLAIN,TEXT_PLAIN_ORDINAL),
TEXT_XML_BUFFER=CACHE.add(TEXT_XML,TEXT_XML_ORDINAL),
TEXT_HTML_8859_1_BUFFER=new CachedBuffer(TEXT_HTML_8859_1,TEXT_HTML_8859_1_ORDINAL),
TEXT_PLAIN_8859_1_BUFFER=new CachedBuffer(TEXT_PLAIN_8859_1,TEXT_PLAIN_8859_1_ORDINAL),
TEXT_XML_8859_1_BUFFER=new CachedBuffer(TEXT_XML_8859_1,TEXT_XML_8859_1_ORDINAL),
TEXT_HTML_UTF_8_BUFFER=new CachedBuffer(TEXT_HTML_UTF_8,TEXT_HTML_UTF_8_ORDINAL),
TEXT_PLAIN_UTF_8_BUFFER=new CachedBuffer(TEXT_PLAIN_UTF_8,TEXT_PLAIN_UTF_8_ORDINAL),
TEXT_XML_UTF_8_BUFFER=new CachedBuffer(TEXT_XML_UTF_8,TEXT_XML_UTF_8_ORDINAL),
TEXT_JSON_BUFFER=CACHE.add(TEXT_JSON,TEXT_JSON_ORDINAL),
TEXT_JSON_UTF_8_BUFFER=CACHE.add(TEXT_JSON_UTF_8,TEXT_JSON_UTF_8_ORDINAL);
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
private final static Map __dftMimeMap = new HashMap();
private final static Map __encodings = new HashMap();
static
{
try
{
ResourceBundle mime = ResourceBundle.getBundle("org/mortbay/jetty/mime");
Enumeration i = mime.getKeys();
while(i.hasMoreElements())
{
String ext = (String)i.nextElement();
String m = mime.getString(ext);
__dftMimeMap.put(StringUtil.asciiToLowerCase(ext),normalizeMimeType(m));
}
}
catch(MissingResourceException e)
{
Log.warn(e.toString());
Log.debug(e);
}
try
{
ResourceBundle encoding = ResourceBundle.getBundle("org/mortbay/jetty/encoding");
Enumeration i = encoding.getKeys();
while(i.hasMoreElements())
{
Buffer type = normalizeMimeType((String)i.nextElement());
__encodings.put(type,encoding.getString(type.toString()));
}
}
catch(MissingResourceException e)
{
Log.warn(e.toString());
Log.debug(e);
}
TEXT_HTML_BUFFER.setAssociate("ISO-8859-1",TEXT_HTML_8859_1_BUFFER);
TEXT_HTML_BUFFER.setAssociate("ISO_8859_1",TEXT_HTML_8859_1_BUFFER);
TEXT_HTML_BUFFER.setAssociate("iso-8859-1",TEXT_HTML_8859_1_BUFFER);
TEXT_PLAIN_BUFFER.setAssociate("ISO-8859-1",TEXT_PLAIN_8859_1_BUFFER);
TEXT_PLAIN_BUFFER.setAssociate("ISO_8859_1",TEXT_PLAIN_8859_1_BUFFER);
TEXT_PLAIN_BUFFER.setAssociate("iso-8859-1",TEXT_PLAIN_8859_1_BUFFER);
TEXT_XML_BUFFER.setAssociate("ISO-8859-1",TEXT_XML_8859_1_BUFFER);
TEXT_XML_BUFFER.setAssociate("ISO_8859_1",TEXT_XML_8859_1_BUFFER);
TEXT_XML_BUFFER.setAssociate("iso-8859-1",TEXT_XML_8859_1_BUFFER);
TEXT_HTML_BUFFER.setAssociate("UTF-8",TEXT_HTML_UTF_8_BUFFER);
TEXT_HTML_BUFFER.setAssociate("UTF8",TEXT_HTML_UTF_8_BUFFER);
TEXT_HTML_BUFFER.setAssociate("utf8",TEXT_HTML_UTF_8_BUFFER);
TEXT_HTML_BUFFER.setAssociate("utf-8",TEXT_HTML_UTF_8_BUFFER);
TEXT_PLAIN_BUFFER.setAssociate("UTF-8",TEXT_PLAIN_UTF_8_BUFFER);
TEXT_PLAIN_BUFFER.setAssociate("UTF8",TEXT_PLAIN_UTF_8_BUFFER);
TEXT_PLAIN_BUFFER.setAssociate("utf-8",TEXT_PLAIN_UTF_8_BUFFER);
TEXT_XML_BUFFER.setAssociate("UTF-8",TEXT_XML_UTF_8_BUFFER);
TEXT_XML_BUFFER.setAssociate("utf8",TEXT_XML_UTF_8_BUFFER);
TEXT_XML_BUFFER.setAssociate("UTF8",TEXT_XML_UTF_8_BUFFER);
TEXT_XML_BUFFER.setAssociate("utf-8",TEXT_XML_UTF_8_BUFFER);
TEXT_JSON_BUFFER.setAssociate("UTF-8",TEXT_JSON_UTF_8_BUFFER);
TEXT_JSON_BUFFER.setAssociate("utf8",TEXT_JSON_UTF_8_BUFFER);
TEXT_JSON_BUFFER.setAssociate("UTF8",TEXT_JSON_UTF_8_BUFFER);
TEXT_JSON_BUFFER.setAssociate("utf-8",TEXT_JSON_UTF_8_BUFFER);
}
/* ------------------------------------------------------------ */
private Map _mimeMap;
/* ------------------------------------------------------------ */
/** Constructor.
*/
public MimeTypes()
{
}
/* ------------------------------------------------------------ */
public synchronized Map getMimeMap()
{
return _mimeMap;
}
/* ------------------------------------------------------------ */
/**
* @param mimeMap A Map of file extension to mime-type.
*/
public void setMimeMap(Map mimeMap)
{
if (mimeMap==null)
{
_mimeMap=null;
return;
}
Map m=new HashMap();
Iterator i=mimeMap.entrySet().iterator();
while (i.hasNext())
{
Map.Entry entry = (Map.Entry)i.next();
m.put(entry.getKey(),normalizeMimeType(entry.getValue().toString()));
}
_mimeMap=m;
}
/* ------------------------------------------------------------ */
/** Get the MIME type by filename extension.
* @param filename A file name
* @return MIME type matching the longest dot extension of the
* file name.
*/
public Buffer getMimeByExtension(String filename)
{
Buffer type=null;
if (filename!=null)
{
int i=-1;
while(type==null)
{
i=filename.indexOf(".",i+1);
if (i<0 || i>=filename.length())
break;
String ext=StringUtil.asciiToLowerCase(filename.substring(i+1));
if (_mimeMap!=null)
type = (Buffer)_mimeMap.get(ext);
if (type==null)
type=(Buffer)__dftMimeMap.get(ext);
}
}
if (type==null)
{
if (_mimeMap!=null)
type=(Buffer)_mimeMap.get("*");
if (type==null)
type=(Buffer)__dftMimeMap.get("*");
}
return type;
}
/* ------------------------------------------------------------ */
/** Set a mime mapping
* @param extension
* @param type
*/
public void addMimeMapping(String extension,String type)
{
if (_mimeMap==null)
_mimeMap=new HashMap();
_mimeMap.put(StringUtil.asciiToLowerCase(extension),normalizeMimeType(type));
}
/* ------------------------------------------------------------ */
private static synchronized Buffer normalizeMimeType(String type)
{
Buffer b =CACHE.get(type);
if (b==null)
b=CACHE.add(type,__index++);
return b;
}
/* ------------------------------------------------------------ */
public static String getCharsetFromContentType(Buffer value)
{
if (value instanceof CachedBuffer)
{
switch(((CachedBuffer)value).getOrdinal())
{
case TEXT_HTML_8859_1_ORDINAL:
case TEXT_PLAIN_8859_1_ORDINAL:
case TEXT_XML_8859_1_ORDINAL:
return StringUtil.__ISO_8859_1;
case TEXT_HTML_UTF_8_ORDINAL:
case TEXT_PLAIN_UTF_8_ORDINAL:
case TEXT_XML_UTF_8_ORDINAL:
case TEXT_JSON_ORDINAL:
case TEXT_JSON_UTF_8_ORDINAL:
return StringUtil.__UTF8;
}
}
int i=value.getIndex();
int end=value.putIndex();
int state=0;
int start=0;
boolean quote=false;
for (;i