org.zodiac.netty.http.headers.HeaderNamesHeader Maven / Gradle / Ivy

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package org.zodiac.netty.http.headers;

import org.zodiac.sdk.toolkit.util.lang.StrUtil;

class HeaderNamesHeader extends AbstractHeader[]> {

    @SuppressWarnings(value = "unchecked")
    HeaderNamesHeader(CharSequence name) {
        super((Class) HeaderValueType[].class, name);
    }

    @Override
    public String toString(HeaderValueType[] value) {
        StringBuilder sb = new StringBuilder();
        for (HeaderValueType t : value) {
            if (sb.length() > 0) {
                sb.append(',');
            }
            sb.append(t.name());
        }
        return sb.toString();
    }

    @Override
    public HeaderValueType[] toValue(CharSequence value) {
        if (value == null || value.length() == 0) {
            return new HeaderValueType[0];
        }
        CharSequence[] items = StrUtil.splitToArray(value, ',');
        HeaderValueType[] result = new HeaderValueType[items.length];
        for (int i = 0; i < items.length; i++) {
            result[i] = Headers.header(items[i]);
        }
        return result;
    }
}