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