org.glassfish.grizzly.websockets.Version Maven / Gradle / Ivy

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package org.glassfish.grizzly.websockets;

import org.glassfish.grizzly.http.util.MimeHeaders;
import org.glassfish.grizzly.websockets.rfc6455.RFC6455Handler;

public enum Version {
    RFC6455("13") {
        @Override
        public ProtocolHandler createHandler(boolean mask) {
            return new RFC6455Handler(mask);
        }

        @Override
        public boolean validate(MimeHeaders headers) {
            return this.wireProtocolVersion.equals(headers.getHeader(Constants.SEC_WS_VERSION));
        }
    };

    public abstract ProtocolHandler createHandler(boolean mask);

    public abstract boolean validate(MimeHeaders headers);

    String wireProtocolVersion;

    private Version(final String wireProtocolVersion) {
        this.wireProtocolVersion = wireProtocolVersion;
    }

    @Override
    public String toString() {
        return name();
    }

    public static String getSupportedWireProtocolVersions() {
        final StringBuilder sb = new StringBuilder();
        for (Version v : Version.values()) {
            if (v.wireProtocolVersion.length() > 0) {
                sb.append(v.wireProtocolVersion).append(", ");
            }
        }
        return sb.substring(0, sb.length() - 2);

    }
}