Example usage for io.netty.util.internal StringUtil unescapeCsvFields

Introduction

In this page you can find the example usage for io.netty.util.internal StringUtil unescapeCsvFields.

Prototype

public static List<CharSequence> unescapeCsvFields(CharSequence value) 

Source Link

Document

Unescapes the specified escaped CSV fields according to <a href="https://tools.ietf.org/html/rfc4180#section-2">RFC-4180</a>.

Usage

From source file:com.linecorp.armeria.internal.ArmeriaHttpUtil.java

License:Apache License

/**
 * Filter the {@link HttpHeaderNames#TE} header according to the
 * <a href="https://tools.ietf.org/html/rfc7540#section-8.1.2.2">special rules in the HTTP/2 RFC</a>.
 * @param entry An entry whose name is {@link HttpHeaderNames#TE}.
 * @param out the resulting HTTP/2 headers.
 *//*from   w w  w  . ja va 2 s.  c  om*/
private static void toHttp2HeadersFilterTE(Entry<CharSequence, CharSequence> entry, HttpHeaders out) {
    if (AsciiString.indexOf(entry.getValue(), ',', 0) == -1) {
        if (AsciiString.contentEqualsIgnoreCase(AsciiString.trim(entry.getValue()),
                HttpHeaderValues.TRAILERS)) {
            out.add(HttpHeaderNames.TE, HttpHeaderValues.TRAILERS.toString());
        }
    } else {
        final List<CharSequence> teValues = StringUtil.unescapeCsvFields(entry.getValue());
        for (CharSequence teValue : teValues) {
            if (AsciiString.contentEqualsIgnoreCase(AsciiString.trim(teValue), HttpHeaderValues.TRAILERS)) {
                out.add(HttpHeaderNames.TE, HttpHeaderValues.TRAILERS.toString());
                break;
            }
        }
    }
}

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