public static void decode()

in ch-commons-util/src/main/java/com/cloudhopper/commons/util/codec/URLCodec.java [150:174]

• 25 lines of code
• 8 McCabe index (conditional complexity)

	public static void decode(CharSequence in, OutputStream out) throws IOException{
		CharBuffer cb;
		if(in instanceof CharBuffer){
			cb = (CharBuffer)in;
		}else if(in != null){
			cb = CharBuffer.wrap(in);
		}else{
			return;
		}
		while(cb.hasRemaining()){
			char c = cb.get();
			if(c == '+'){
				out.write(' ');
			}else if(c == '%'){
				int x = Character.digit(cb.get(), 16);
				int y = Character.digit(cb.get(), 16);
				if(x == -1 || y == -1){
					throw new IOException("Invalid URL encoding");
				}
				out.write((x << 4) + y);
			}else{
				out.write(c);
			}
		}
	}