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Diffstat (limited to 'libjava/java/net/URLDecoder.java')
| -rw-r--r-- | libjava/java/net/URLDecoder.java | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/libjava/java/net/URLDecoder.java b/libjava/java/net/URLDecoder.java deleted file mode 100644 index ca40c386a52..00000000000 --- a/libjava/java/net/URLDecoder.java +++ /dev/null @@ -1,180 +0,0 @@ -/* URLDecoder.java -- Class to decode URL's from encoded form. - Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package java.net; - -import java.io.UnsupportedEncodingException; - - -/** - * This utility class contains static methods that converts a - * string encoded in the x-www-form-urlencoded format to the original - * text. The x-www-form-urlencoded format replaces certain disallowed - * characters with encoded equivalents. All upper case and lower case - * letters in the US alphabet remain as is, the space character (' ') - * is replaced with '+' sign, and all other characters are converted to a - * "%XX" format where XX is the hexadecimal representation of that character - * in a given character encoding (default is "UTF-8"). - * <p> - * This method is very useful for decoding strings sent to CGI scripts - * - * Written using on-line Java Platform 1.2/1.4 API Specification. - * Status: Believed complete and correct. - * - * @since 1.2 - * - * @author Warren Levy (warrenl@cygnus.com) - * @author Aaron M. Renn (arenn@urbanophile.com) (documentation comments) - * @author Mark Wielaard (mark@klomp.org) - */ -public class URLDecoder -{ - /** - * Public contructor. Note that this class has only static methods. - */ - public URLDecoder() - { - } - - /** - * This method translates the passed in string from x-www-form-urlencoded - * format using the default encoding "UTF-8" to decode the hex encoded - * unsafe characters. - * - * @param s the String to convert - * - * @return the converted String - * - * @deprecated - */ - public static String decode(String s) - { - try - { - return decode(s, "UTF-8"); - } - catch (UnsupportedEncodingException uee) - { - // Should never happen since UTF-8 encoding should always be supported - return s; - } - } - - /** - * This method translates the passed in string from x-www-form-urlencoded - * format using the given character encoding to decode the hex encoded - * unsafe characters. - * - * This implementation will decode the string even if it contains - * unsafe characters (characters that should have been encoded) or if the - * two characters following a % do not represent a hex encoded byte. - * In those cases the unsafe character or the % character will be added - * verbatim to the decoded result. - * - * @param s the String to convert - * @param encoding the character encoding to use the decode the hex encoded - * unsafe characters - * - * @return the converted String - * - * @exception UnsupportedEncodingException If the named encoding is not - * supported - * - * @since 1.4 - */ - public static String decode(String s, String encoding) - throws UnsupportedEncodingException - { - // First convert all '+' characters to spaces. - String str = s.replace('+', ' '); - - // Then go through the whole string looking for byte encoded characters - int i; - int start = 0; - byte[] bytes = null; - int length = str.length(); - StringBuffer result = new StringBuffer(length); - while ((i = str.indexOf('%', start)) >= 0) - { - // Add all non-encoded characters to the result buffer - result.append(str.substring(start, i)); - start = i; - - // Get all consecutive encoded bytes - while ((i + 2 < length) && (str.charAt(i) == '%')) - i += 3; - - // Decode all these bytes - if ((bytes == null) || (bytes.length < ((i - start) / 3))) - bytes = new byte[((i - start) / 3)]; - - int index = 0; - try - { - while (start < i) - { - String sub = str.substring(start + 1, start + 3); - bytes[index] = (byte) Integer.parseInt(sub, 16); - index++; - start += 3; - } - } - catch (NumberFormatException nfe) - { - // One of the hex encoded strings was bad - } - - // Add the bytes as characters according to the given encoding - result.append(new String(bytes, 0, index, encoding)); - - // Make sure we skip to just after a % sign - // There might not have been enough encoded characters after the % - // or the hex chars were not actually hex chars (NumberFormatException) - if (start < length && s.charAt(start) == '%') - { - result.append('%'); - start++; - } - } - - // Add any characters left - if (start < str.length()) - result.append(str.substring(start)); - - return result.toString(); - } -} // class URLDecoder |