DefaultHttp3SettingsFrame Class — netty Architecture

Source Code

codec-http3/src/main/java/io/netty/handler/codec/http3/DefaultHttp3SettingsFrame.java lines 29–122

public final class DefaultHttp3SettingsFrame implements Http3SettingsFrame {

    private final Http3Settings settings;

    public DefaultHttp3SettingsFrame(Http3Settings settings) {
        this.settings = ObjectUtil.checkNotNull(settings, "settings");
    }

    public DefaultHttp3SettingsFrame() {
        this.settings = new Http3Settings();
    }

    @Override
    public Http3Settings settings() {
        return settings;
    }

    /**
     * Get a setting by its key.
     *
     * @param key the HTTP/3 setting key
     * @return the value, or {@code null} if not set
     * @deprecated  use {@link #settings()}  and manipulate the {@link Http3Settings} directly
     */
    @Override
    @Deprecated
    @Nullable
    public Long get(long key) {
        // Legacy behavior: direct map access.
        return settings.get(key);
    }

    /**
     * Set a setting value by key.
     *
     * @param key the HTTP/3 setting key
     * @param value the value to set
     * @return the previous value, or {@code null} if none
     * @throws IllegalArgumentException if the key is reserved for HTTP/2
     * @deprecated  use {@link #settings()}  and manipulate the {@link Http3Settings} directly
     */
    @Override
    @Deprecated
    @Nullable
    public Long put(long key, Long value) {
        return settings.put(key, value);
    }

    @Override
    public Iterator<Map.Entry<Long, Long>> iterator() {
       return settings.iterator();
    }

    @Override
    public int hashCode() {
        return settings.hashCode();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        DefaultHttp3SettingsFrame that = (DefaultHttp3SettingsFrame) o;
        return that.settings.equals(settings);
    }

    @Override
    public String toString() {
        return StringUtil.simpleClassName(this) + "(settings=" + settings + ')';
    }

    /**
     * Creates a new {@link DefaultHttp3SettingsFrame} which is a copy of the given settings.
     *
     * @param settingsFrame the frame to copy.
     * @return              the newly created copy.
     */