gcc/libjava/java/net/URLDecoder.java

49 lines
1.2 KiB
Java

// URLDecoder.java - Provides a method for decoding strings according to
// application/x-www-form-urlencoded MIME type.
/* Copyright (C) 1999 Red Hat, Inc.
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.net;
import java.io.UnsupportedEncodingException;
/**
* @author Warren Levy <warrenl@cygnus.com>
* @date April 22, 1999.
*/
/**
* Written using on-line Java Platform 1.2 API Specification.
* Status: Believed complete and correct.
*/
// JDK1.2
public class URLDecoder
{
// This method, per the JCL, is conservative in that it encodes
// some "allowable" characters as % triplets.
public static String decode(String s) throws Exception
{
String str = s.replace('+', ' ');
String result = "";
int i;
int start = 0;
while ((i = str.indexOf('%', start)) >= 0)
{
result = result + str.substring(start, i) +
(char) Integer.parseInt(str.substring(i + 1, i + 3), 16);
start = i + 3;
}
if (start < str.length())
result = result + str.substring(start);
return result;
}
}