diff src/org/eclipse/jetty/util/UrlEncoded.java @ 1068:9d357b9e4bcb

fix BufferUtil.newBuffer()
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 10 Nov 2016 00:23:05 -0700
parents 8e9db0bbf4f9
children
line wrap: on
line diff
--- a/src/org/eclipse/jetty/util/UrlEncoded.java	Thu Nov 10 00:08:39 2016 -0700
+++ b/src/org/eclipse/jetty/util/UrlEncoded.java	Thu Nov 10 00:23:05 2016 -0700
@@ -53,982 +53,982 @@
  */
 public class UrlEncoded extends MultiMap implements Cloneable
 {
-    private static final Logger LOG = LoggerFactory.getLogger(UrlEncoded.class);
+	private static final Logger LOG = LoggerFactory.getLogger(UrlEncoded.class);
 
-    public static final String ENCODING = System.getProperty("org.eclipse.jetty.util.UrlEncoding.charset",StringUtil.__UTF8);
+	public static final String ENCODING = System.getProperty("org.eclipse.jetty.util.UrlEncoding.charset",StringUtil.__UTF8);
 
-    /* ----------------------------------------------------------------- */
-    public UrlEncoded(UrlEncoded url)
-    {
-        super(url);
-    }
-    
-    /* ----------------------------------------------------------------- */
-    public UrlEncoded()
-    {
-        super(6);
-    }
-    
-    /* ----------------------------------------------------------------- */
-    public UrlEncoded(String s)
-    {
-        super(6);
-        decode(s,ENCODING);
-    }
-    
-    /* ----------------------------------------------------------------- */
-    public UrlEncoded(String s, String charset)
-    {
-        super(6);
-        decode(s,charset);
-    }
-    
-    /* ----------------------------------------------------------------- */
-    public void decode(String query)
-    {
-        decodeTo(query,this,ENCODING,-1);
-    }
-    
-    /* ----------------------------------------------------------------- */
-    public void decode(String query,String charset)
-    {
-        decodeTo(query,this,charset,-1);
-    }
-    
-    /* -------------------------------------------------------------- */
-    /** Encode Hashtable with % encoding.
-     */
-    public String encode()
-    {
-        return encode(ENCODING,false);
-    }
-    
-    /* -------------------------------------------------------------- */
-    /** Encode Hashtable with % encoding.
-     */
-    public String encode(String charset)
-    {
-        return encode(charset,false);
-    }
-    
-    /* -------------------------------------------------------------- */
-    /** Encode Hashtable with % encoding.
-     * @param equalsForNullValue if True, then an '=' is always used, even
-     * for parameters without a value. e.g. "blah?a=&b=&c=".
-     */
-    public synchronized String encode(String charset, boolean equalsForNullValue)
-    {
-        return encode(this,charset,equalsForNullValue);
-    }
-    
-    /* -------------------------------------------------------------- */
-    /** Encode Hashtable with % encoding.
-     * @param equalsForNullValue if True, then an '=' is always used, even
-     * for parameters without a value. e.g. "blah?a=&b=&c=".
-     */
-    public static String encode(MultiMap map, String charset, boolean equalsForNullValue)
-    {
-        if (charset==null)
-            charset=ENCODING;
+	/* ----------------------------------------------------------------- */
+	public UrlEncoded(UrlEncoded url)
+	{
+		super(url);
+	}
+	
+	/* ----------------------------------------------------------------- */
+	public UrlEncoded()
+	{
+		super(6);
+	}
+	
+	/* ----------------------------------------------------------------- */
+	public UrlEncoded(String s)
+	{
+		super(6);
+		decode(s,ENCODING);
+	}
+	
+	/* ----------------------------------------------------------------- */
+	public UrlEncoded(String s, String charset)
+	{
+		super(6);
+		decode(s,charset);
+	}
+	
+	/* ----------------------------------------------------------------- */
+	public void decode(String query)
+	{
+		decodeTo(query,this,ENCODING,-1);
+	}
+	
+	/* ----------------------------------------------------------------- */
+	public void decode(String query,String charset)
+	{
+		decodeTo(query,this,charset,-1);
+	}
+	
+	/* -------------------------------------------------------------- */
+	/** Encode Hashtable with % encoding.
+	 */
+	public String encode()
+	{
+		return encode(ENCODING,false);
+	}
+	
+	/* -------------------------------------------------------------- */
+	/** Encode Hashtable with % encoding.
+	 */
+	public String encode(String charset)
+	{
+		return encode(charset,false);
+	}
+	
+	/* -------------------------------------------------------------- */
+	/** Encode Hashtable with % encoding.
+	 * @param equalsForNullValue if True, then an '=' is always used, even
+	 * for parameters without a value. e.g. "blah?a=&b=&c=".
+	 */
+	public synchronized String encode(String charset, boolean equalsForNullValue)
+	{
+		return encode(this,charset,equalsForNullValue);
+	}
+	
+	/* -------------------------------------------------------------- */
+	/** Encode Hashtable with % encoding.
+	 * @param equalsForNullValue if True, then an '=' is always used, even
+	 * for parameters without a value. e.g. "blah?a=&b=&c=".
+	 */
+	public static String encode(MultiMap map, String charset, boolean equalsForNullValue)
+	{
+		if (charset==null)
+			charset=ENCODING;
 
-        StringBuilder result = new StringBuilder(128);
+		StringBuilder result = new StringBuilder(128);
 
-        Iterator iter = map.entrySet().iterator();
-        while(iter.hasNext())
-        {
-            Map.Entry entry = (Map.Entry)iter.next();
+		Iterator iter = map.entrySet().iterator();
+		while(iter.hasNext())
+		{
+			Map.Entry entry = (Map.Entry)iter.next();
 
-            String key = entry.getKey().toString();
-            Object list = entry.getValue();
-            int s=LazyList.size(list);
+			String key = entry.getKey().toString();
+			Object list = entry.getValue();
+			int s=LazyList.size(list);
 
-            if (s==0)
-            {
-                result.append(encodeString(key,charset));
-                if(equalsForNullValue)
-                    result.append('=');
-            }
-            else
-            {
-                for (int i=0;i<s;i++)
-                {
-                    if (i>0)
-                        result.append('&');
-                    Object val=LazyList.get(list,i);
-                    result.append(encodeString(key,charset));
+			if (s==0)
+			{
+				result.append(encodeString(key,charset));
+				if(equalsForNullValue)
+					result.append('=');
+			}
+			else
+			{
+				for (int i=0;i<s;i++)
+				{
+					if (i>0)
+						result.append('&');
+					Object val=LazyList.get(list,i);
+					result.append(encodeString(key,charset));
 
-                    if (val!=null)
-                    {
-                        String str=val.toString();
-                        if (str.length()>0)
-                        {
-                            result.append('=');
-                            result.append(encodeString(str,charset));
-                        }
-                        else if (equalsForNullValue)
-                            result.append('=');
-                    }
-                    else if (equalsForNullValue)
-                        result.append('=');
-                }
-            }
-            if (iter.hasNext())
-                result.append('&');
-        }
-        return result.toString();
-    }
+					if (val!=null)
+					{
+						String str=val.toString();
+						if (str.length()>0)
+						{
+							result.append('=');
+							result.append(encodeString(str,charset));
+						}
+						else if (equalsForNullValue)
+							result.append('=');
+					}
+					else if (equalsForNullValue)
+						result.append('=');
+				}
+			}
+			if (iter.hasNext())
+				result.append('&');
+		}
+		return result.toString();
+	}
 
 
 
-    /* -------------------------------------------------------------- */
-    /** Decoded parameters to Map.
-     * @param content the string containing the encoded parameters
-     */
-    public static void decodeTo(String content, MultiMap map, String charset)
-    {
-        decodeTo(content,map,charset,-1);
-    }
-    
-    /* -------------------------------------------------------------- */
-    /** Decoded parameters to Map.
-     * @param content the string containing the encoded parameters
-     */
-    public static void decodeTo(String content, MultiMap map, String charset, int maxKeys)
-    {
-        if (charset==null)
-            charset=ENCODING;
+	/* -------------------------------------------------------------- */
+	/** Decoded parameters to Map.
+	 * @param content the string containing the encoded parameters
+	 */
+	public static void decodeTo(String content, MultiMap map, String charset)
+	{
+		decodeTo(content,map,charset,-1);
+	}
+	
+	/* -------------------------------------------------------------- */
+	/** Decoded parameters to Map.
+	 * @param content the string containing the encoded parameters
+	 */
+	public static void decodeTo(String content, MultiMap map, String charset, int maxKeys)
+	{
+		if (charset==null)
+			charset=ENCODING;
 
-        synchronized(map)
-        {
-            String key = null;
-            String value = null;
-            int mark=-1;
-            boolean encoded=false;
-            for (int i=0;i<content.length();i++)
-            {
-                char c = content.charAt(i);
-                switch (c)
-                {
-                  case '&':
-                      int l=i-mark-1;
-                      value = l==0?"":
-                          (encoded?decodeString(content,mark+1,l,charset):content.substring(mark+1,i));
-                      mark=i;
-                      encoded=false;
-                      if (key != null)
-                      {
-                          map.add(key,value);
-                      }
-                      else if (value!=null&&value.length()>0)
-                      {
-                          map.add(value,"");
-                      }
-                      key = null;
-                      value=null;
-                      if (maxKeys>0 && map.size()>maxKeys)
-                          throw new IllegalStateException("Form too many keys");
-                      break;
-                  case '=':
-                      if (key!=null)
-                          break;
-                      key = encoded?decodeString(content,mark+1,i-mark-1,charset):content.substring(mark+1,i);
-                      mark=i;
-                      encoded=false;
-                      break;
-                  case '+':
-                      encoded=true;
-                      break;
-                  case '%':
-                      encoded=true;
-                      break;
-                }                
-            }
-            
-            if (key != null)
-            {
-                int l=content.length()-mark-1;
-                value = l==0?"":(encoded?decodeString(content,mark+1,l,charset):content.substring(mark+1));
-                map.add(key,value);
-            }
-            else if (mark<content.length())
-            {
-                key = encoded
-                    ?decodeString(content,mark+1,content.length()-mark-1,charset)
-                    :content.substring(mark+1);
-                if (key != null && key.length() > 0)
-                {
-                    map.add(key,"");
-                }
-            }
-        }
-    }
+		synchronized(map)
+		{
+			String key = null;
+			String value = null;
+			int mark=-1;
+			boolean encoded=false;
+			for (int i=0;i<content.length();i++)
+			{
+				char c = content.charAt(i);
+				switch (c)
+				{
+				  case '&':
+					  int l=i-mark-1;
+					  value = l==0?"":
+						  (encoded?decodeString(content,mark+1,l,charset):content.substring(mark+1,i));
+					  mark=i;
+					  encoded=false;
+					  if (key != null)
+					  {
+						  map.add(key,value);
+					  }
+					  else if (value!=null&&value.length()>0)
+					  {
+						  map.add(value,"");
+					  }
+					  key = null;
+					  value=null;
+					  if (maxKeys>0 && map.size()>maxKeys)
+						  throw new IllegalStateException("Form too many keys");
+					  break;
+				  case '=':
+					  if (key!=null)
+						  break;
+					  key = encoded?decodeString(content,mark+1,i-mark-1,charset):content.substring(mark+1,i);
+					  mark=i;
+					  encoded=false;
+					  break;
+				  case '+':
+					  encoded=true;
+					  break;
+				  case '%':
+					  encoded=true;
+					  break;
+				}                
+			}
+			
+			if (key != null)
+			{
+				int l=content.length()-mark-1;
+				value = l==0?"":(encoded?decodeString(content,mark+1,l,charset):content.substring(mark+1));
+				map.add(key,value);
+			}
+			else if (mark<content.length())
+			{
+				key = encoded
+					?decodeString(content,mark+1,content.length()-mark-1,charset)
+					:content.substring(mark+1);
+				if (key != null && key.length() > 0)
+				{
+					map.add(key,"");
+				}
+			}
+		}
+	}
 
-    /* -------------------------------------------------------------- */
-    /** Decoded parameters to Map.
-     * @param raw the byte[] containing the encoded parameters
-     * @param offset the offset within raw to decode from
-     * @param length the length of the section to decode
-     * @param map the {@link MultiMap} to populate
-     */
-    public static void decodeUtf8To(byte[] raw,int offset, int length, MultiMap map)
-    {
-        decodeUtf8To(raw,offset,length,map,new Utf8StringBuilder());
-    }
+	/* -------------------------------------------------------------- */
+	/** Decoded parameters to Map.
+	 * @param raw the byte[] containing the encoded parameters
+	 * @param offset the offset within raw to decode from
+	 * @param length the length of the section to decode
+	 * @param map the {@link MultiMap} to populate
+	 */
+	public static void decodeUtf8To(byte[] raw,int offset, int length, MultiMap map)
+	{
+		decodeUtf8To(raw,offset,length,map,new Utf8StringBuilder());
+	}
 
-    /* -------------------------------------------------------------- */
-    /** Decoded parameters to Map.
-     * @param raw the byte[] containing the encoded parameters
-     * @param offset the offset within raw to decode from
-     * @param length the length of the section to decode
-     * @param map the {@link MultiMap} to populate
-     * @param buffer the buffer to decode into
-     */
-    public static void decodeUtf8To(byte[] raw,int offset, int length, MultiMap map,Utf8StringBuilder buffer)
-    {
-        synchronized(map)
-        {
-            String key = null;
-            String value = null;
+	/* -------------------------------------------------------------- */
+	/** Decoded parameters to Map.
+	 * @param raw the byte[] containing the encoded parameters
+	 * @param offset the offset within raw to decode from
+	 * @param length the length of the section to decode
+	 * @param map the {@link MultiMap} to populate
+	 * @param buffer the buffer to decode into
+	 */
+	public static void decodeUtf8To(byte[] raw,int offset, int length, MultiMap map,Utf8StringBuilder buffer)
+	{
+		synchronized(map)
+		{
+			String key = null;
+			String value = null;
 
-            // TODO cache of parameter names ???
-            int end=offset+length;
-            for (int i=offset;i<end;i++)
-            {
-                byte b=raw[i];
-                try
-                {
-                    switch ((char)(0xff&b))
-                    {
-                        case '&':
-                            value = buffer.length()==0?"":buffer.toString();
-                            buffer.reset();
-                            if (key != null)
-                            {
-                                map.add(key,value);
-                            }
-                            else if (value!=null&&value.length()>0)
-                            {
-                                map.add(value,"");
-                            }
-                            key = null;
-                            value=null;
-                            break;
+			// TODO cache of parameter names ???
+			int end=offset+length;
+			for (int i=offset;i<end;i++)
+			{
+				byte b=raw[i];
+				try
+				{
+					switch ((char)(0xff&b))
+					{
+						case '&':
+							value = buffer.length()==0?"":buffer.toString();
+							buffer.reset();
+							if (key != null)
+							{
+								map.add(key,value);
+							}
+							else if (value!=null&&value.length()>0)
+							{
+								map.add(value,"");
+							}
+							key = null;
+							value=null;
+							break;
 
-                        case '=':
-                            if (key!=null)
-                            {
-                                buffer.append(b);
-                                break;
-                            }
-                            key = buffer.toString();
-                            buffer.reset();
-                            break;
+						case '=':
+							if (key!=null)
+							{
+								buffer.append(b);
+								break;
+							}
+							key = buffer.toString();
+							buffer.reset();
+							break;
 
-                        case '+':
-                            buffer.append((byte)' ');
-                            break;
+						case '+':
+							buffer.append((byte)' ');
+							break;
 
-                        case '%':
-                            if (i+2<end)
-                            {
-                                if ('u'==raw[i+1])
-                                {
-                                    i++;
-                                    if (i+4<end)
-                                        buffer.getStringBuilder().append(Character.toChars((convertHexDigit(raw[++i])<<12) +(convertHexDigit(raw[++i])<<8) + (convertHexDigit(raw[++i])<<4) +convertHexDigit(raw[++i])));
-                                    else
-                                    {
-                                        buffer.getStringBuilder().append(Utf8Appendable.REPLACEMENT);
-                                        i=end;
-                                    }
-                                }
-                                else
-                                    buffer.append((byte)((convertHexDigit(raw[++i])<<4) + convertHexDigit(raw[++i])));
-                            }
-                            else
-                            {
-                                buffer.getStringBuilder().append(Utf8Appendable.REPLACEMENT);
-                                i=end;
-                            }
-                            break;
-                            
-                        default:
-                            buffer.append(b);
-                            break;
-                    }
-                }
-                catch(NotUtf8Exception e)
-                {
-                    LOG.warn(e.toString());
-                    LOG.debug("",e);
-                }
-            }
-            
-            if (key != null)
-            {
-                value = buffer.length()==0?"":buffer.toReplacedString();
-                buffer.reset();
-                map.add(key,value);
-            }
-            else if (buffer.length()>0)
-            {
-                map.add(buffer.toReplacedString(),"");
-            }
-        }
-    }
+						case '%':
+							if (i+2<end)
+							{
+								if ('u'==raw[i+1])
+								{
+									i++;
+									if (i+4<end)
+										buffer.getStringBuilder().append(Character.toChars((convertHexDigit(raw[++i])<<12) +(convertHexDigit(raw[++i])<<8) + (convertHexDigit(raw[++i])<<4) +convertHexDigit(raw[++i])));
+									else
+									{
+										buffer.getStringBuilder().append(Utf8Appendable.REPLACEMENT);
+										i=end;
+									}
+								}
+								else
+									buffer.append((byte)((convertHexDigit(raw[++i])<<4) + convertHexDigit(raw[++i])));
+							}
+							else
+							{
+								buffer.getStringBuilder().append(Utf8Appendable.REPLACEMENT);
+								i=end;
+							}
+							break;
+							
+						default:
+							buffer.append(b);
+							break;
+					}
+				}
+				catch(NotUtf8Exception e)
+				{
+					LOG.warn(e.toString());
+					LOG.debug("",e);
+				}
+			}
+			
+			if (key != null)
+			{
+				value = buffer.length()==0?"":buffer.toReplacedString();
+				buffer.reset();
+				map.add(key,value);
+			}
+			else if (buffer.length()>0)
+			{
+				map.add(buffer.toReplacedString(),"");
+			}
+		}
+	}
 
-    /* -------------------------------------------------------------- */
-    /** Decoded parameters to Map.
-     * @param in InputSteam to read
-     * @param map MultiMap to add parameters to
-     * @param maxLength maximum number of keys to read or -1 for no limit
-     */
-    public static void decode88591To(InputStream in, MultiMap map, int maxLength, int maxKeys)
-    throws IOException
-    {
-        synchronized(map)
-        {
-            StringBuffer buffer = new StringBuffer();
-            String key = null;
-            String value = null;
-            
-            int b;
+	/* -------------------------------------------------------------- */
+	/** Decoded parameters to Map.
+	 * @param in InputSteam to read
+	 * @param map MultiMap to add parameters to
+	 * @param maxLength maximum number of keys to read or -1 for no limit
+	 */
+	public static void decode88591To(InputStream in, MultiMap map, int maxLength, int maxKeys)
+	throws IOException
+	{
+		synchronized(map)
+		{
+			StringBuffer buffer = new StringBuffer();
+			String key = null;
+			String value = null;
+			
+			int b;
 
-            // TODO cache of parameter names ???
-            int totalLength=0;
-            while ((b=in.read())>=0)
-            {
-                switch ((char) b)
-                {
-                    case '&':
-                        value = buffer.length()==0?"":buffer.toString();
-                        buffer.setLength(0);
-                        if (key != null)
-                        {
-                            map.add(key,value);
-                        }
-                        else if (value!=null&&value.length()>0)
-                        {
-                            map.add(value,"");
-                        }
-                        key = null;
-                        value=null;
-                        if (maxKeys>0 && map.size()>maxKeys)
-                            throw new IllegalStateException("Form too many keys");
-                        break;
-                        
-                    case '=':
-                        if (key!=null)
-                        {
-                            buffer.append((char)b);
-                            break;
-                        }
-                        key = buffer.toString();
-                        buffer.setLength(0);
-                        break;
-                        
-                    case '+':
-                        buffer.append(' ');
-                        break;
-                        
-                    case '%':
-                        int code0=in.read();
-                        if ('u'==code0)
-                        {
-                            int code1=in.read();
-                            if (code1>=0)
-                            {
-                                int code2=in.read();
-                                if (code2>=0)
-                                {
-                                    int code3=in.read();
-                                    if (code3>=0)
-                                        buffer.append(Character.toChars((convertHexDigit(code0)<<12)+(convertHexDigit(code1)<<8)+(convertHexDigit(code2)<<4)+convertHexDigit(code3)));
-                                }
-                            }
-                        }
-                        else if (code0>=0)
-                        {
-                            int code1=in.read();
-                            if (code1>=0)
-                                buffer.append((char)((convertHexDigit(code0)<<4)+convertHexDigit(code1)));
-                        }
-                        break;
-                     
-                    default:
-                        buffer.append((char)b);
-                    break;
-                }
-                if (maxLength>=0 && (++totalLength > maxLength))
-                    throw new IllegalStateException("Form too large");
-            }
-            
-            if (key != null)
-            {
-                value = buffer.length()==0?"":buffer.toString();
-                buffer.setLength(0);
-                map.add(key,value);
-            }
-            else if (buffer.length()>0)
-            {
-                map.add(buffer.toString(), "");
-            }
-        }
-    }
-    
-    /* -------------------------------------------------------------- */
-    /** Decoded parameters to Map.
-     * @param in InputSteam to read
-     * @param map MultiMap to add parameters to
-     * @param maxLength maximum number of keys to read or -1 for no limit
-     */
-    public static void decodeUtf8To(InputStream in, MultiMap map, int maxLength, int maxKeys)
-    throws IOException
-    {
-        synchronized(map)
-        {
-            Utf8StringBuilder buffer = new Utf8StringBuilder();
-            String key = null;
-            String value = null;
-            
-            int b;
-            
-            // TODO cache of parameter names ???
-            int totalLength=0;
-            while ((b=in.read())>=0)
-            {
-                try
-                {
-                    switch ((char) b)
-                    {
-                        case '&':
-                            value = buffer.length()==0?"":buffer.toString();
-                            buffer.reset();
-                            if (key != null)
-                            {
-                                map.add(key,value);
-                            }
-                            else if (value!=null&&value.length()>0)
-                            {
-                                map.add(value,"");
-                            }
-                            key = null;
-                            value=null;
-                            if (maxKeys>0 && map.size()>maxKeys)
-                                throw new IllegalStateException("Form too many keys");
-                            break;
+			// TODO cache of parameter names ???
+			int totalLength=0;
+			while ((b=in.read())>=0)
+			{
+				switch ((char) b)
+				{
+					case '&':
+						value = buffer.length()==0?"":buffer.toString();
+						buffer.setLength(0);
+						if (key != null)
+						{
+							map.add(key,value);
+						}
+						else if (value!=null&&value.length()>0)
+						{
+							map.add(value,"");
+						}
+						key = null;
+						value=null;
+						if (maxKeys>0 && map.size()>maxKeys)
+							throw new IllegalStateException("Form too many keys");
+						break;
+						
+					case '=':
+						if (key!=null)
+						{
+							buffer.append((char)b);
+							break;
+						}
+						key = buffer.toString();
+						buffer.setLength(0);
+						break;
+						
+					case '+':
+						buffer.append(' ');
+						break;
+						
+					case '%':
+						int code0=in.read();
+						if ('u'==code0)
+						{
+							int code1=in.read();
+							if (code1>=0)
+							{
+								int code2=in.read();
+								if (code2>=0)
+								{
+									int code3=in.read();
+									if (code3>=0)
+										buffer.append(Character.toChars((convertHexDigit(code0)<<12)+(convertHexDigit(code1)<<8)+(convertHexDigit(code2)<<4)+convertHexDigit(code3)));
+								}
+							}
+						}
+						else if (code0>=0)
+						{
+							int code1=in.read();
+							if (code1>=0)
+								buffer.append((char)((convertHexDigit(code0)<<4)+convertHexDigit(code1)));
+						}
+						break;
+					 
+					default:
+						buffer.append((char)b);
+					break;
+				}
+				if (maxLength>=0 && (++totalLength > maxLength))
+					throw new IllegalStateException("Form too large");
+			}
+			
+			if (key != null)
+			{
+				value = buffer.length()==0?"":buffer.toString();
+				buffer.setLength(0);
+				map.add(key,value);
+			}
+			else if (buffer.length()>0)
+			{
+				map.add(buffer.toString(), "");
+			}
+		}
+	}
+	
+	/* -------------------------------------------------------------- */
+	/** Decoded parameters to Map.
+	 * @param in InputSteam to read
+	 * @param map MultiMap to add parameters to
+	 * @param maxLength maximum number of keys to read or -1 for no limit
+	 */
+	public static void decodeUtf8To(InputStream in, MultiMap map, int maxLength, int maxKeys)
+	throws IOException
+	{
+		synchronized(map)
+		{
+			Utf8StringBuilder buffer = new Utf8StringBuilder();
+			String key = null;
+			String value = null;
+			
+			int b;
+			
+			// TODO cache of parameter names ???
+			int totalLength=0;
+			while ((b=in.read())>=0)
+			{
+				try
+				{
+					switch ((char) b)
+					{
+						case '&':
+							value = buffer.length()==0?"":buffer.toString();
+							buffer.reset();
+							if (key != null)
+							{
+								map.add(key,value);
+							}
+							else if (value!=null&&value.length()>0)
+							{
+								map.add(value,"");
+							}
+							key = null;
+							value=null;
+							if (maxKeys>0 && map.size()>maxKeys)
+								throw new IllegalStateException("Form too many keys");
+							break;
 
-                        case '=':
-                            if (key!=null)
-                            {
-                                buffer.append((byte)b);
-                                break;
-                            }
-                            key = buffer.toString();
-                            buffer.reset();
-                            break;
+						case '=':
+							if (key!=null)
+							{
+								buffer.append((byte)b);
+								break;
+							}
+							key = buffer.toString();
+							buffer.reset();
+							break;
 
-                        case '+':
-                            buffer.append((byte)' ');
-                            break;
+						case '+':
+							buffer.append((byte)' ');
+							break;
 
-                        case '%':
-                            int code0=in.read();
-                            if ('u'==code0)
-                            {
-                                int code1=in.read();
-                                if (code1>=0)
-                                {
-                                    int code2=in.read();
-                                    if (code2>=0)
-                                    {
-                                        int code3=in.read();
-                                        if (code3>=0)
-                                            buffer.getStringBuilder().append(Character.toChars((convertHexDigit(code0)<<12)+(convertHexDigit(code1)<<8)+(convertHexDigit(code2)<<4)+convertHexDigit(code3)));
-                                    }
-                                }
-                            }
-                            else if (code0>=0)
-                            {
-                                int code1=in.read();
-                                if (code1>=0)
-                                    buffer.append((byte)((convertHexDigit(code0)<<4)+convertHexDigit(code1)));
-                            }
-                            break;
-                          
-                        default:
-                            buffer.append((byte)b);
-                            break;
-                    }
-                }
-                catch(NotUtf8Exception e)
-                {
-                    LOG.warn(e.toString());
-                    LOG.debug("",e);
-                }
-                if (maxLength>=0 && (++totalLength > maxLength))
-                    throw new IllegalStateException("Form too large");
-            }
-            
-            if (key != null)
-            {
-                value = buffer.length()==0?"":buffer.toString();
-                buffer.reset();
-                map.add(key,value);
-            }
-            else if (buffer.length()>0)
-            {
-                map.add(buffer.toString(), "");
-            }
-        }
-    }
-    
-    /* -------------------------------------------------------------- */
-    public static void decodeUtf16To(InputStream in, MultiMap map, int maxLength, int maxKeys) throws IOException
-    {
-        InputStreamReader input = new InputStreamReader(in,StringUtil.__UTF16);
-        StringWriter buf = new StringWriter(8192);
-        IO.copy(input,buf,maxLength);
-        
-        decodeTo(buf.getBuffer().toString(),map,StringUtil.__UTF16,maxKeys);
-    }
-    
-    /* -------------------------------------------------------------- */
-    /** Decoded parameters to Map.
-     * @param in the stream containing the encoded parameters
-     */
-    public static void decodeTo(InputStream in, MultiMap map, String charset, int maxLength, int maxKeys)
-    throws IOException
-    {
-        //no charset present, use the configured default
-        if (charset==null) 
-        {
-           charset=ENCODING;
-        }
-            
-        if (StringUtil.__UTF8.equalsIgnoreCase(charset))
-        {
-            decodeUtf8To(in,map,maxLength,maxKeys);
-            return;
-        }
-        
-        if (StringUtil.__ISO_8859_1.equals(charset))
-        {
-            decode88591To(in,map,maxLength,maxKeys);
-            return;
-        }
+						case '%':
+							int code0=in.read();
+							if ('u'==code0)
+							{
+								int code1=in.read();
+								if (code1>=0)
+								{
+									int code2=in.read();
+									if (code2>=0)
+									{
+										int code3=in.read();
+										if (code3>=0)
+											buffer.getStringBuilder().append(Character.toChars((convertHexDigit(code0)<<12)+(convertHexDigit(code1)<<8)+(convertHexDigit(code2)<<4)+convertHexDigit(code3)));
+									}
+								}
+							}
+							else if (code0>=0)
+							{
+								int code1=in.read();
+								if (code1>=0)
+									buffer.append((byte)((convertHexDigit(code0)<<4)+convertHexDigit(code1)));
+							}
+							break;
+						  
+						default:
+							buffer.append((byte)b);
+							break;
+					}
+				}
+				catch(NotUtf8Exception e)
+				{
+					LOG.warn(e.toString());
+					LOG.debug("",e);
+				}
+				if (maxLength>=0 && (++totalLength > maxLength))
+					throw new IllegalStateException("Form too large");
+			}
+			
+			if (key != null)
+			{
+				value = buffer.length()==0?"":buffer.toString();
+				buffer.reset();
+				map.add(key,value);
+			}
+			else if (buffer.length()>0)
+			{
+				map.add(buffer.toString(), "");
+			}
+		}
+	}
+	
+	/* -------------------------------------------------------------- */
+	public static void decodeUtf16To(InputStream in, MultiMap map, int maxLength, int maxKeys) throws IOException
+	{
+		InputStreamReader input = new InputStreamReader(in,StringUtil.__UTF16);
+		StringWriter buf = new StringWriter(8192);
+		IO.copy(input,buf,maxLength);
+		
+		decodeTo(buf.getBuffer().toString(),map,StringUtil.__UTF16,maxKeys);
+	}
+	
+	/* -------------------------------------------------------------- */
+	/** Decoded parameters to Map.
+	 * @param in the stream containing the encoded parameters
+	 */
+	public static void decodeTo(InputStream in, MultiMap map, String charset, int maxLength, int maxKeys)
+	throws IOException
+	{
+		//no charset present, use the configured default
+		if (charset==null) 
+		{
+		   charset=ENCODING;
+		}
+			
+		if (StringUtil.__UTF8.equalsIgnoreCase(charset))
+		{
+			decodeUtf8To(in,map,maxLength,maxKeys);
+			return;
+		}
+		
+		if (StringUtil.__ISO_8859_1.equals(charset))
+		{
+			decode88591To(in,map,maxLength,maxKeys);
+			return;
+		}
 
-        if (StringUtil.__UTF16.equalsIgnoreCase(charset)) // Should be all 2 byte encodings
-        {
-            decodeUtf16To(in,map,maxLength,maxKeys);
-            return;
-        }
-        
+		if (StringUtil.__UTF16.equalsIgnoreCase(charset)) // Should be all 2 byte encodings
+		{
+			decodeUtf16To(in,map,maxLength,maxKeys);
+			return;
+		}
+		
 
-        synchronized(map)
-        {
-            String key = null;
-            String value = null;
-            
-            int c;
-            
-            int totalLength = 0;
-            ByteArrayOutputStream2 output = new ByteArrayOutputStream2();
-            
-            int size=0;
-            
-            while ((c=in.read())>0)
-            {
-                switch ((char) c)
-                {
-                    case '&':
-                        size=output.size();
-                        value = size==0?"":output.toString(charset);
-                        output.setCount(0);
-                        if (key != null)
-                        {
-                            map.add(key,value);
-                        }
-                        else if (value!=null&&value.length()>0)
-                        {
-                            map.add(value,"");
-                        }
-                        key = null;
-                        value=null;
-                        if (maxKeys>0 && map.size()>maxKeys)
-                            throw new IllegalStateException("Form too many keys");
-                        break;
-                    case '=':
-                        if (key!=null)
-                        {
-                            output.write(c);
-                            break;
-                        }
-                        size=output.size();
-                        key = size==0?"":output.toString(charset);
-                        output.setCount(0);
-                        break;
-                    case '+':
-                        output.write(' ');
-                        break;
-                    case '%':
-                        int code0=in.read();
-                        if ('u'==code0)
-                        {
-                            int code1=in.read();
-                            if (code1>=0)
-                            {
-                                int code2=in.read();
-                                if (code2>=0)
-                                {
-                                    int code3=in.read();
-                                    if (code3>=0)
-                                        output.write(new String(Character.toChars((convertHexDigit(code0)<<12)+(convertHexDigit(code1)<<8)+(convertHexDigit(code2)<<4)+convertHexDigit(code3))).getBytes(charset));
-                                }
-                            }
-                            
-                        }
-                        else if (code0>=0)
-                        {
-                            int code1=in.read();
-                            if (code1>=0)
-                                output.write((convertHexDigit(code0)<<4)+convertHexDigit(code1));
-                        }
-                        break;
-                    default:
-                        output.write(c);
-                    break;
-                }
-                
-                totalLength++;
-                if (maxLength>=0 && totalLength > maxLength)
-                    throw new IllegalStateException("Form too large");
-            }
+		synchronized(map)
+		{
+			String key = null;
+			String value = null;
+			
+			int c;
+			
+			int totalLength = 0;
+			ByteArrayOutputStream2 output = new ByteArrayOutputStream2();
+			
+			int size=0;
+			
+			while ((c=in.read())>0)
+			{
+				switch ((char) c)
+				{
+					case '&':
+						size=output.size();
+						value = size==0?"":output.toString(charset);
+						output.setCount(0);
+						if (key != null)
+						{
+							map.add(key,value);
+						}
+						else if (value!=null&&value.length()>0)
+						{
+							map.add(value,"");
+						}
+						key = null;
+						value=null;
+						if (maxKeys>0 && map.size()>maxKeys)
+							throw new IllegalStateException("Form too many keys");
+						break;
+					case '=':
+						if (key!=null)
+						{
+							output.write(c);
+							break;
+						}
+						size=output.size();
+						key = size==0?"":output.toString(charset);
+						output.setCount(0);
+						break;
+					case '+':
+						output.write(' ');
+						break;
+					case '%':
+						int code0=in.read();
+						if ('u'==code0)
+						{
+							int code1=in.read();
+							if (code1>=0)
+							{
+								int code2=in.read();
+								if (code2>=0)
+								{
+									int code3=in.read();
+									if (code3>=0)
+										output.write(new String(Character.toChars((convertHexDigit(code0)<<12)+(convertHexDigit(code1)<<8)+(convertHexDigit(code2)<<4)+convertHexDigit(code3))).getBytes(charset));
+								}
+							}
+							
+						}
+						else if (code0>=0)
+						{
+							int code1=in.read();
+							if (code1>=0)
+								output.write((convertHexDigit(code0)<<4)+convertHexDigit(code1));
+						}
+						break;
+					default:
+						output.write(c);
+					break;
+				}
+				
+				totalLength++;
+				if (maxLength>=0 && totalLength > maxLength)
+					throw new IllegalStateException("Form too large");
+			}
 
-            size=output.size();
-            if (key != null)
-            {
-                value = size==0?"":output.toString(charset);
-                output.setCount(0);
-                map.add(key,value);
-            }
-            else if (size>0)
-                map.add(output.toString(charset),"");
-        }
-    }
-    
-    /* -------------------------------------------------------------- */
-    /** Decode String with % encoding.
-     * This method makes the assumption that the majority of calls
-     * will need no decoding.
-     */
-    public static String decodeString(String encoded,int offset,int length,String charset)
-    {
-        if (charset==null || StringUtil.isUTF8(charset))
-        {
-            Utf8StringBuffer buffer=null;
+			size=output.size();
+			if (key != null)
+			{
+				value = size==0?"":output.toString(charset);
+				output.setCount(0);
+				map.add(key,value);
+			}
+			else if (size>0)
+				map.add(output.toString(charset),"");
+		}
+	}
+	
+	/* -------------------------------------------------------------- */
+	/** Decode String with % encoding.
+	 * This method makes the assumption that the majority of calls
+	 * will need no decoding.
+	 */
+	public static String decodeString(String encoded,int offset,int length,String charset)
+	{
+		if (charset==null || StringUtil.isUTF8(charset))
+		{
+			Utf8StringBuffer buffer=null;
 
-            for (int i=0;i<length;i++)
-            {
-                char c = encoded.charAt(offset+i);
-                if (c<0||c>0xff)
-                {
-                    if (buffer==null)
-                    {
-                        buffer=new Utf8StringBuffer(length);
-                        buffer.getStringBuffer().append(encoded,offset,offset+i+1);
-                    }
-                    else
-                        buffer.getStringBuffer().append(c);
-                }
-                else if (c=='+')
-                {
-                    if (buffer==null)
-                    {
-                        buffer=new Utf8StringBuffer(length);
-                        buffer.getStringBuffer().append(encoded,offset,offset+i);
-                    }
-                    
-                    buffer.getStringBuffer().append(' ');
-                }
-                else if (c=='%')
-                {
-                    if (buffer==null)
-                    {
-                        buffer=new Utf8StringBuffer(length);
-                        buffer.getStringBuffer().append(encoded,offset,offset+i);
-                    }
-                    
-                    if ((i+2)<length)
-                    {
-                        try
-                        {
-                            if ('u'==encoded.charAt(offset+i+1))
-                            {
-                                if((i+5)<length)
-                                {
-                                    int o=offset+i+2;
-                                    i+=5;
-                                    String unicode = new String(Character.toChars(TypeUtil.parseInt(encoded,o,4,16)));
-                                    buffer.getStringBuffer().append(unicode); 
-                                }
-                                else
-                                {
-                                    i=length;
-                                    buffer.getStringBuffer().append(Utf8Appendable.REPLACEMENT); 
-                                }
-                            }
-                            else
-                            {
-                                int o=offset+i+1;
-                                i+=2;
-                                byte b=(byte)TypeUtil.parseInt(encoded,o,2,16);
-                                buffer.append(b);
-                            }
-                        }
-                        catch(NotUtf8Exception e)
-                        {
-                            LOG.warn(e.toString());
-                            LOG.debug("",e);
-                        }
-                        catch(NumberFormatException nfe)
-                        {
-                            LOG.debug("",nfe);
-                            buffer.getStringBuffer().append(Utf8Appendable.REPLACEMENT);  
-                        }
-                    }
-                    else
-                    {
-                        buffer.getStringBuffer().append(Utf8Appendable.REPLACEMENT); 
-                        i=length;
-                    }
-                }
-                else if (buffer!=null)
-                    buffer.getStringBuffer().append(c);
-            }
+			for (int i=0;i<length;i++)
+			{
+				char c = encoded.charAt(offset+i);
+				if (c<0||c>0xff)
+				{
+					if (buffer==null)
+					{
+						buffer=new Utf8StringBuffer(length);
+						buffer.getStringBuffer().append(encoded,offset,offset+i+1);
+					}
+					else
+						buffer.getStringBuffer().append(c);
+				}
+				else if (c=='+')
+				{
+					if (buffer==null)
+					{
+						buffer=new Utf8StringBuffer(length);
+						buffer.getStringBuffer().append(encoded,offset,offset+i);
+					}
+					
+					buffer.getStringBuffer().append(' ');
+				}
+				else if (c=='%')
+				{
+					if (buffer==null)
+					{
+						buffer=new Utf8StringBuffer(length);
+						buffer.getStringBuffer().append(encoded,offset,offset+i);
+					}
+					
+					if ((i+2)<length)
+					{
+						try
+						{
+							if ('u'==encoded.charAt(offset+i+1))
+							{
+								if((i+5)<length)
+								{
+									int o=offset+i+2;
+									i+=5;
+									String unicode = new String(Character.toChars(TypeUtil.parseInt(encoded,o,4,16)));
+									buffer.getStringBuffer().append(unicode); 
+								}
+								else
+								{
+									i=length;
+									buffer.getStringBuffer().append(Utf8Appendable.REPLACEMENT); 
+								}
+							}
+							else
+							{
+								int o=offset+i+1;
+								i+=2;
+								byte b=(byte)TypeUtil.parseInt(encoded,o,2,16);
+								buffer.append(b);
+							}
+						}
+						catch(NotUtf8Exception e)
+						{
+							LOG.warn(e.toString());
+							LOG.debug("",e);
+						}
+						catch(NumberFormatException nfe)
+						{
+							LOG.debug("",nfe);
+							buffer.getStringBuffer().append(Utf8Appendable.REPLACEMENT);  
+						}
+					}
+					else
+					{
+						buffer.getStringBuffer().append(Utf8Appendable.REPLACEMENT); 
+						i=length;
+					}
+				}
+				else if (buffer!=null)
+					buffer.getStringBuffer().append(c);
+			}
 
-            if (buffer==null)
-            {
-                if (offset==0 && encoded.length()==length)
-                    return encoded;
-                return encoded.substring(offset,offset+length);
-            }
+			if (buffer==null)
+			{
+				if (offset==0 && encoded.length()==length)
+					return encoded;
+				return encoded.substring(offset,offset+length);
+			}
 
-            return buffer.toReplacedString();
-        }
-        else
-        {
-            StringBuffer buffer=null;
+			return buffer.toReplacedString();
+		}
+		else
+		{
+			StringBuffer buffer=null;
 
-            try
-            {
-                for (int i=0;i<length;i++)
-                {
-                    char c = encoded.charAt(offset+i);
-                    if (c<0||c>0xff)
-                    {
-                        if (buffer==null)
-                        {
-                            buffer=new StringBuffer(length);
-                            buffer.append(encoded,offset,offset+i+1);
-                        }
-                        else
-                            buffer.append(c);
-                    }
-                    else if (c=='+')
-                    {
-                        if (buffer==null)
-                        {
-                            buffer=new StringBuffer(length);
-                            buffer.append(encoded,offset,offset+i);
-                        }
-                        
-                        buffer.append(' ');
-                    }
-                    else if (c=='%')
-                    {
-                        if (buffer==null)
-                        {
-                            buffer=new StringBuffer(length);
-                            buffer.append(encoded,offset,offset+i);
-                        }
+			try
+			{
+				for (int i=0;i<length;i++)
+				{
+					char c = encoded.charAt(offset+i);
+					if (c<0||c>0xff)
+					{
+						if (buffer==null)
+						{
+							buffer=new StringBuffer(length);
+							buffer.append(encoded,offset,offset+i+1);
+						}
+						else
+							buffer.append(c);
+					}
+					else if (c=='+')
+					{
+						if (buffer==null)
+						{
+							buffer=new StringBuffer(length);
+							buffer.append(encoded,offset,offset+i);
+						}
+						
+						buffer.append(' ');
+					}
+					else if (c=='%')
+					{
+						if (buffer==null)
+						{
+							buffer=new StringBuffer(length);
+							buffer.append(encoded,offset,offset+i);
+						}
 
-                        byte[] ba=new byte[length];
-                        int n=0;
-                        while(c>=0 && c<=0xff)
-                        {
-                            if (c=='%')
-                            {   
-                                if(i+2<length)
-                                {
-                                    try
-                                    {
-                                        if ('u'==encoded.charAt(offset+i+1))
-                                        {
-                                            if (i+6<length)
-                                            {
-                                                int o=offset+i+2;
-                                                i+=6;
-                                                String unicode = new String(Character.toChars(TypeUtil.parseInt(encoded,o,4,16)));
-                                                byte[] reencoded = unicode.getBytes(charset);
-                                                System.arraycopy(reencoded,0,ba,n,reencoded.length);
-                                                n+=reencoded.length;
-                                            }
-                                            else
-                                            {
-                                                ba[n++] = (byte)'?';
-                                                i=length;
-                                            }
-                                        }
-                                        else
-                                        {
-                                            int o=offset+i+1;
-                                            i+=3;
-                                            ba[n]=(byte)TypeUtil.parseInt(encoded,o,2,16);
-                                            n++;
-                                        }
-                                    }
-                                    catch(NumberFormatException nfe)
-                                    {   
-                                        LOG.trace("",nfe);
-                                        ba[n++] = (byte)'?';
-                                    }
-                                }
-                                else
-                                {
-                                    ba[n++] = (byte)'?';
-                                    i=length;
-                                }
-                            }
-                            else if (c=='+')
-                            {
-                                ba[n++]=(byte)' ';
-                                i++;
-                            }
-                            else
-                            {
-                                ba[n++]=(byte)c;
-                                i++;
-                            }
-                            
-                            if (i>=length)
-                                break;
-                            c = encoded.charAt(offset+i);
-                        }
+						byte[] ba=new byte[length];
+						int n=0;
+						while(c>=0 && c<=0xff)
+						{
+							if (c=='%')
+							{   
+								if(i+2<length)
+								{
+									try
+									{
+										if ('u'==encoded.charAt(offset+i+1))
+										{
+											if (i+6<length)
+											{
+												int o=offset+i+2;
+												i+=6;
+												String unicode = new String(Character.toChars(TypeUtil.parseInt(encoded,o,4,16)));
+												byte[] reencoded = unicode.getBytes(charset);
+												System.arraycopy(reencoded,0,ba,n,reencoded.length);
+												n+=reencoded.length;
+											}
+											else
+											{
+												ba[n++] = (byte)'?';
+												i=length;
+											}
+										}
+										else
+										{
+											int o=offset+i+1;
+											i+=3;
+											ba[n]=(byte)TypeUtil.parseInt(encoded,o,2,16);
+											n++;
+										}
+									}
+									catch(NumberFormatException nfe)
+									{   
+										LOG.trace("",nfe);
+										ba[n++] = (byte)'?';
+									}
+								}
+								else
+								{
+									ba[n++] = (byte)'?';
+									i=length;
+								}
+							}
+							else if (c=='+')
+							{
+								ba[n++]=(byte)' ';
+								i++;
+							}
+							else
+							{
+								ba[n++]=(byte)c;
+								i++;
+							}
+							
+							if (i>=length)
+								break;
+							c = encoded.charAt(offset+i);
+						}
 
-                        i--;
-                        buffer.append(new String(ba,0,n,charset));
+						i--;
+						buffer.append(new String(ba,0,n,charset));
 
-                    }
-                    else if (buffer!=null)
-                        buffer.append(c);
-                }
+					}
+					else if (buffer!=null)
+						buffer.append(c);
+				}
 
-                if (buffer==null)
-                {
-                    if (offset==0 && encoded.length()==length)
-                        return encoded;
-                    return encoded.substring(offset,offset+length);
-                }
+				if (buffer==null)
+				{
+					if (offset==0 && encoded.length()==length)
+						return encoded;
+					return encoded.substring(offset,offset+length);
+				}
 
-                return buffer.toString();
-            }
-            catch (UnsupportedEncodingException e)
-            {
-                throw new RuntimeException(e);
-            }
-        }
-        
-    }
-    
-    /* ------------------------------------------------------------ */
-    /** Perform URL encoding.
-     * @param string 
-     * @return encoded string.
-     */
-    public static String encodeString(String string)
-    {
-        return encodeString(string,ENCODING);
-    }
-    
-    /* ------------------------------------------------------------ */
-    /** Perform URL encoding.
-     * @param string 
-     * @return encoded string.
-     */
-    public static String encodeString(String string,String charset)
-    {
-        if (charset==null)
-            charset=ENCODING;
-        byte[] bytes=null;
-        try
-        {
-            bytes=string.getBytes(charset);
-        }
-        catch(UnsupportedEncodingException e)
-        {
-            // LOG.warn(LogSupport.EXCEPTION,e);
-            bytes=string.getBytes();
-        }
-        
-        int len=bytes.length;
-        byte[] encoded= new byte[bytes.length*3];
-        int n=0;
-        boolean noEncode=true;
-        
-        for (int i=0;i<len;i++)
-        {
-            byte b = bytes[i];
-            
-            if (b==' ')
-            {
-                noEncode=false;
-                encoded[n++]=(byte)'+';
-            }
-            else if (b>='a' && b<='z' ||
-                     b>='A' && b<='Z' ||
-                     b>='0' && b<='9')
-            {
-                encoded[n++]=b;
-            }
-            else
-            {
-                noEncode=false;
-                encoded[n++]=(byte)'%';
-                byte nibble= (byte) ((b&0xf0)>>4);
-                if (nibble>=10)
-                    encoded[n++]=(byte)('A'+nibble-10);
-                else
-                    encoded[n++]=(byte)('0'+nibble);
-                nibble= (byte) (b&0xf);
-                if (nibble>=10)
-                    encoded[n++]=(byte)('A'+nibble-10);
-                else
-                    encoded[n++]=(byte)('0'+nibble);
-            }
-        }
+				return buffer.toString();
+			}
+			catch (UnsupportedEncodingException e)
+			{
+				throw new RuntimeException(e);
+			}
+		}
+		
+	}
+	
+	/* ------------------------------------------------------------ */
+	/** Perform URL encoding.
+	 * @param string 
+	 * @return encoded string.
+	 */
+	public static String encodeString(String string)
+	{
+		return encodeString(string,ENCODING);
+	}
+	
+	/* ------------------------------------------------------------ */
+	/** Perform URL encoding.
+	 * @param string 
+	 * @return encoded string.
+	 */
+	public static String encodeString(String string,String charset)
+	{
+		if (charset==null)
+			charset=ENCODING;
+		byte[] bytes=null;
+		try
+		{
+			bytes=string.getBytes(charset);
+		}
+		catch(UnsupportedEncodingException e)
+		{
+			// LOG.warn(LogSupport.EXCEPTION,e);
+			bytes=string.getBytes();
+		}
+		
+		int len=bytes.length;
+		byte[] encoded= new byte[bytes.length*3];
+		int n=0;
+		boolean noEncode=true;
+		
+		for (int i=0;i<len;i++)
+		{
+			byte b = bytes[i];
+			
+			if (b==' ')
+			{
+				noEncode=false;
+				encoded[n++]=(byte)'+';
+			}
+			else if (b>='a' && b<='z' ||
+					 b>='A' && b<='Z' ||
+					 b>='0' && b<='9')
+			{
+				encoded[n++]=b;
+			}
+			else
+			{
+				noEncode=false;
+				encoded[n++]=(byte)'%';
+				byte nibble= (byte) ((b&0xf0)>>4);
+				if (nibble>=10)
+					encoded[n++]=(byte)('A'+nibble-10);
+				else
+					encoded[n++]=(byte)('0'+nibble);
+				nibble= (byte) (b&0xf);
+				if (nibble>=10)
+					encoded[n++]=(byte)('A'+nibble-10);
+				else
+					encoded[n++]=(byte)('0'+nibble);
+			}
+		}
 
-        if (noEncode)
-            return string;
-        
-        try
-        {    
-            return new String(encoded,0,n,charset);
-        }
-        catch(UnsupportedEncodingException e)
-        {
-            // LOG.warn(LogSupport.EXCEPTION,e);
-            return new String(encoded,0,n);
-        }
-    }
+		if (noEncode)
+			return string;
+		
+		try
+		{    
+			return new String(encoded,0,n,charset);
+		}
+		catch(UnsupportedEncodingException e)
+		{
+			// LOG.warn(LogSupport.EXCEPTION,e);
+			return new String(encoded,0,n);
+		}
+	}
 
 
-    /* ------------------------------------------------------------ */
-    /** 
-     */
-    @Override
-    public Object clone()
-    {
-        return new UrlEncoded(this);
-    }
+	/* ------------------------------------------------------------ */
+	/** 
+	 */
+	@Override
+	public Object clone()
+	{
+		return new UrlEncoded(this);
+	}
 }