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## org.apache.commons.httpclient.util
Class URIUtil

    java.lang.Object
      org.apache.commons.httpclient.util.URIUtil

    public class URIUtil

extends Object

The URI escape and character encoding and decoding utility. It's compatible with `HttpURL` rather than `URI`.

Version:
  $Revision: 507321 $ $Date: 2002/03/14 15:14:01
Author:
  Sung-Gu

Nested Class Summary
`protected static class` | `URIUtil.Coder` Deprecated. use org.apache.commons.codec.net.URLCodec

Field Summary
`protected static BitSet` | `empty`

Constructor Summary
`URIUtil()`

Method Summary
`static String` | `decode(String escaped)` Unescape and decode a given string regarded as an escaped string with the default protocol charset.
`static String` | `decode(String escaped, String charset)` Unescape and decode a given string regarded as an escaped string.
`static String` | `encode(String unescaped, BitSet allowed)` Escape and encode a given string with allowed characters not to be escaped and the default protocol charset.
`static String` | `encode(String unescaped, BitSet allowed, String charset)` Escape and encode a given string with allowed characters not to be escaped and a given charset.
`static String` | `encodeAll(String unescaped)` Get the all escaped and encoded string with the default protocl charset.
`static String` | `encodeAll(String unescaped, String charset)` Get the all escaped and encoded string with a given charset.
`static String` | `encodePath(String unescaped)` Escape and encode a string regarded as the path component of an URI with the default protocol charset.
`static String` | `encodePath(String unescaped, String charset)` Escape and encode a string regarded as the path component of an URI with a given charset.
`static String` | `encodePathQuery(String unescaped)` Escape and encode a string regarded as the path and query components of an URI with the default protocol charset.
`static String` | `encodePathQuery(String unescaped, String charset)` Escape and encode a string regarded as the path and query components of an URI with a given charset.
`static String` | `encodeQuery(String unescaped)` Escape and encode a string regarded as the query component of an URI with the default protocol charset.
`static String` | `encodeQuery(String unescaped, String charset)` Escape and encode a string regarded as the query component of an URI with a given charset.
`static String` | `encodeWithinAuthority(String unescaped)` Escape and encode a string regarded as within the authority component of an URI with the default protocol charset.
`static String` | `encodeWithinAuthority(String unescaped, String charset)` Escape and encode a string regarded as within the authority component of an URI with a given charset.
`static String` | `encodeWithinPath(String unescaped)` Escape and encode a string regarded as within the path component of an URI with the default protocol charset.
`static String` | `encodeWithinPath(String unescaped, String charset)` Escape and encode a string regarded as within the path component of an URI with a given charset.
`static String` | `encodeWithinQuery(String unescaped)` Escape and encode a string regarded as within the query component of an URI with the default protocol charset.
`static String` | `encodeWithinQuery(String unescaped, String charset)` Escape and encode a string regarded as within the query component of an URI with a given charset.
`static String` | `getFromPath(String uri)` Get the path of an URI and its rest part.
`static String` | `getName(String uri)` Get the basename of an URI.
`static String` | `getPath(String uri)` Get the path of an URI.
`static String` | `getPathQuery(String uri)` Get the path and query of an URI.
`static String` | `getQuery(String uri)` Get the query of an URI.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### empty

    protected static final BitSet empty

Constructor Detail

### URIUtil

    public URIUtil()

Method Detail

### getName

    public static String getName(String uri)

  Get the basename of an URI. It's possibly an empty string.

  Parameters:
    `uri` - a string regarded an URI
  Returns:
    the basename string; an empty string if the path ends with slash

### getQuery

    public static String getQuery(String uri)

  Get the query of an URI.

  Parameters:
    `uri` - a string regarded an URI
  Returns:
    the query string; `null` if empty or undefined

### getPath

    public static String getPath(String uri)

  Get the path of an URI.

  Parameters:
    `uri` - a string regarded an URI
  Returns:
    the path string

### getPathQuery

    public static String getPathQuery(String uri)

  Get the path and query of an URI.

  Parameters:
    `uri` - a string regarded an URI
  Returns:
    the path and query string

### getFromPath

    public static String getFromPath(String uri)

  Get the path of an URI and its rest part.

  Parameters:
    `uri` - a string regarded an URI
  Returns:
    the string from the path part

### encodeAll

    public static String encodeAll(String unescaped)
                            throws URIException

  Get the all escaped and encoded string with the default protocl charset. It's the same function to use `encode(String unescaped, Bitset empty, URI.getDefaultProtocolCharset())`.

  Parameters:
    `unescaped` - an unescaped string
  Returns:
    the escaped string
  Throws:
    `URIException` - if the default protocol charset is not supported
  See Also:
    `URI.getDefaultProtocolCharset()`, `encode(java.lang.String, java.util.BitSet)`

### encodeAll

    public static String encodeAll(String unescaped,
                                   String charset)
                            throws URIException

  Get the all escaped and encoded string with a given charset. It's the same function to use `encode(String unescaped, Bitset empty, String charset)`.

  Parameters:
    `unescaped` - an unescaped string
    `charset` - the charset
  Returns:
    the escaped string
  Throws:
    `URIException` - if the charset is not supported
  See Also:
    `encode(java.lang.String, java.util.BitSet)`

### encodeWithinAuthority

    public static String encodeWithinAuthority(String unescaped)
                                        throws URIException

  Escape and encode a string regarded as within the authority component of an URI with the default protocol charset. Within the authority component, the characters ";", ":", "@", "?", and "/" are reserved.

  Parameters:
    `unescaped` - an unescaped string
  Returns:
    the escaped string
  Throws:
    `URIException` - if the default protocol charset is not supported
  See Also:
    `URI.getDefaultProtocolCharset()`, `encode(java.lang.String, java.util.BitSet)`

### encodeWithinAuthority

    public static String encodeWithinAuthority(String unescaped,
                                               String charset)
                                        throws URIException

  Escape and encode a string regarded as within the authority component of an URI with a given charset. Within the authority component, the characters ";", ":", "@", "?", and "/" are reserved.

  Parameters:
    `unescaped` - an unescaped string
    `charset` - the charset
  Returns:
    the escaped string
  Throws:
    `URIException` - if the charset is not supported
  See Also:
    `encode(java.lang.String, java.util.BitSet)`

### encodePathQuery

    public static String encodePathQuery(String unescaped)
                                  throws URIException

  Escape and encode a string regarded as the path and query components of an URI with the default protocol charset.

  Parameters:
    `unescaped` - an unescaped string
  Returns:
    the escaped string
  Throws:
    `URIException` - if the default protocol charset is not supported
  See Also:
    `URI.getDefaultProtocolCharset()`, `encode(java.lang.String, java.util.BitSet)`

### encodePathQuery

    public static String encodePathQuery(String unescaped,
                                         String charset)
                                  throws URIException

  Escape and encode a string regarded as the path and query components of an URI with a given charset.

  Parameters:
    `unescaped` - an unescaped string
    `charset` - the charset
  Returns:
    the escaped string
  Throws:
    `URIException` - if the charset is not supported
  See Also:
    `encode(java.lang.String, java.util.BitSet)`

### encodeWithinPath

    public static String encodeWithinPath(String unescaped)
                                   throws URIException

  Escape and encode a string regarded as within the path component of an URI with the default protocol charset. The path may consist of a sequence of path segments separated by a single slash "/" character. Within a path segment, the characters "/", ";", "=", and "?" are reserved.

  Parameters:
    `unescaped` - an unescaped string
  Returns:
    the escaped string
  Throws:
    `URIException` - if the default protocol charset is not supported
  See Also:
    `URI.getDefaultProtocolCharset()`, `encode(java.lang.String, java.util.BitSet)`

### encodeWithinPath

    public static String encodeWithinPath(String unescaped,
                                          String charset)
                                   throws URIException

  Escape and encode a string regarded as within the path component of an URI with a given charset. The path may consist of a sequence of path segments separated by a single slash "/" character. Within a path segment, the characters "/", ";", "=", and "?" are reserved.

  Parameters:
    `unescaped` - an unescaped string
    `charset` - the charset
  Returns:
    the escaped string
  Throws:
    `URIException` - if the charset is not supported
  See Also:
    `encode(java.lang.String, java.util.BitSet)`

### encodePath

    public static String encodePath(String unescaped)
                             throws URIException

  Escape and encode a string regarded as the path component of an URI with the default protocol charset.

  Parameters:
    `unescaped` - an unescaped string
  Returns:
    the escaped string
  Throws:
    `URIException` - if the default protocol charset is not supported
  See Also:
    `URI.getDefaultProtocolCharset()`, `encode(java.lang.String, java.util.BitSet)`

### encodePath

    public static String encodePath(String unescaped,
                                    String charset)
                             throws URIException

  Escape and encode a string regarded as the path component of an URI with a given charset.

  Parameters:
    `unescaped` - an unescaped string
    `charset` - the charset
  Returns:
    the escaped string
  Throws:
    `URIException` - if the charset is not supported
  See Also:
    `encode(java.lang.String, java.util.BitSet)`

### encodeWithinQuery

    public static String encodeWithinQuery(String unescaped)
                                    throws URIException

  Escape and encode a string regarded as within the query component of an URI with the default protocol charset. When a query comprise the name and value pairs, it is used in order to encode each name and value string. The reserved special characters within a query component are being included in encoding the query.

  Parameters:
    `unescaped` - an unescaped string
  Returns:
    the escaped string
  Throws:
    `URIException` - if the default protocol charset is not supported
  See Also:
    `URI.getDefaultProtocolCharset()`, `encode(java.lang.String, java.util.BitSet)`

### encodeWithinQuery

    public static String encodeWithinQuery(String unescaped,
                                           String charset)
                                    throws URIException

  Escape and encode a string regarded as within the query component of an URI with a given charset. When a query comprise the name and value pairs, it is used in order to encode each name and value string. The reserved special characters within a query component are being included in encoding the query.

  Parameters:
    `unescaped` - an unescaped string
    `charset` - the charset
  Returns:
    the escaped string
  Throws:
    `URIException` - if the charset is not supported
  See Also:
    `encode(java.lang.String, java.util.BitSet)`

### encodeQuery

    public static String encodeQuery(String unescaped)
                              throws URIException

  Escape and encode a string regarded as the query component of an URI with the default protocol charset. When a query string is not misunderstood the reserved special characters ("&", "=", "+", ",", and "$") within a query component, this method is recommended to use in encoding the whole query.

  Parameters:
    `unescaped` - an unescaped string
  Returns:
    the escaped string
  Throws:
    `URIException` - if the default protocol charset is not supported
  See Also:
    `URI.getDefaultProtocolCharset()`, `encode(java.lang.String, java.util.BitSet)`

### encodeQuery

    public static String encodeQuery(String unescaped,
                                     String charset)
                              throws URIException

  Escape and encode a string regarded as the query component of an URI with a given charset. When a query string is not misunderstood the reserved special characters ("&", "=", "+", ",", and "$") within a query component, this method is recommended to use in encoding the whole query.

  Parameters:
    `unescaped` - an unescaped string
    `charset` - the charset
  Returns:
    the escaped string
  Throws:
    `URIException` - if the charset is not supported
  See Also:
    `encode(java.lang.String, java.util.BitSet)`

### encode

    public static String encode(String unescaped,
                                BitSet allowed)
                         throws URIException

  Escape and encode a given string with allowed characters not to be escaped and the default protocol charset.

  Parameters:
    `unescaped` - a string
    `allowed` - allowed characters not to be escaped
  Returns:
    the escaped string
  Throws:
    `URIException` - if the default protocol charset is not supported
  See Also:
    `URI.getDefaultProtocolCharset()`

### encode

    public static String encode(String unescaped,
                                BitSet allowed,
                                String charset)
                         throws URIException

  Escape and encode a given string with allowed characters not to be escaped and a given charset.

  Parameters:
    `unescaped` - a string
    `allowed` - allowed characters not to be escaped
    `charset` - the charset
  Returns:
    the escaped string
  Throws:
    `URIException`

### decode

    public static String decode(String escaped)
                         throws URIException

  Unescape and decode a given string regarded as an escaped string with the default protocol charset.

  Parameters:
    `escaped` - a string
  Returns:
    the unescaped string
  Throws:
    `URIException` - if the string cannot be decoded (invalid)
  See Also:
    `URI.getDefaultProtocolCharset()`

### decode

    public static String decode(String escaped,
                                String charset)
                         throws URIException

  Unescape and decode a given string regarded as an escaped string.

  Parameters:
    `escaped` - a string
    `charset` - the charset
  Returns:
    the unescaped string
  Throws:
    `URIException` - if the charset is not supported
  See Also:
    `URIUtil.Coder.decode(char[], java.lang.String)`

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