com.fireflysource.net.http.common.codec.Http1FieldPreEncoder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of firefly-net Show documentation

There is a newer version: 5.0.2

package com.fireflysource.net.http.common.codec;

import com.fireflysource.net.http.common.model.HttpHeader;
import com.fireflysource.net.http.common.model.HttpVersion;

import java.util.Arrays;

import static java.nio.charset.StandardCharsets.UTF_8;

public class Http1FieldPreEncoder implements HttpFieldPreEncoder {

    @Override
    public HttpVersion getHttpVersion() {
        return HttpVersion.HTTP_1_0;
    }

    @Override
    public byte[] getEncodedField(HttpHeader header, String headerString, String value) {
        if (header != null) {
            int cbl = header.getBytesColonSpace().length;
            byte[] bytes = Arrays.copyOf(header.getBytesColonSpace(), cbl + value.length() + 2);
            System.arraycopy(value.getBytes(UTF_8), 0, bytes, cbl, value.length());
            bytes[bytes.length - 2] = (byte) '\r';
            bytes[bytes.length - 1] = (byte) '\n';
            return bytes;
        }

        byte[] n = headerString.getBytes(UTF_8);
        byte[] v = value.getBytes(UTF_8);
        byte[] bytes = Arrays.copyOf(n, n.length + 2 + v.length + 2);
        bytes[n.length] = (byte) ':';
        bytes[n.length] = (byte) ' ';
        bytes[bytes.length - 2] = (byte) '\r';
        bytes[bytes.length - 1] = (byte) '\n';
        return bytes;
    }
}