Package org.glassfish.tyrus.core.frame

Class Frame

  • Direct Known Subclasses:
    TyrusFrame
    public class Frame
extends java.lang.Object
    WebSocket frame representation. 
    TODO:
 - masking (isMask is currently ignored)
 - validation
 - payloadLength is limited to int
    Author:
    Pavel Bucek

    • Constructor Detail

      • Frame

        protected Frame​(Frame frame)
        Copy constructor.

        Note: this is shallow copy. Payload is *not* copied to new array.

        Parameters:
        frame - copied frame.

    • Method Detail

      • isFin

        public boolean isFin()
        Get FIN value.
        Returns:
        true when FIN flag is set, false otherwise.

      • isRsv1

        public boolean isRsv1()
        GET RSV1 value.
        Returns:
        true when RSV1 flag is set, false otherwise.

      • isRsv2

        public boolean isRsv2()
        GET RSV2 value.
        Returns:
        true when RSV2 flag is set, false otherwise.

      • isRsv3

        public boolean isRsv3()
        GET RSV3 value.
        Returns:
        true when RSV3 flag is set, false otherwise.

      • isMask

        public boolean isMask()
        Currently not used.
        Returns:
        not used.

      • getOpcode

        public byte getOpcode()
        Get opcode.
        Returns:
        opcode (4 bit value).

      • getPayloadLength

        public long getPayloadLength()
        Get payload length.
        Returns:
        payload length.

      • getMaskingKey

        public java.lang.Integer getMaskingKey()
        Get masking key.
        Returns:
        masking key (32 bit value) or null when the frame should not be masked.

      • getPayloadData

        public byte[] getPayloadData()
        Get payload data.

        Changes done to returned array won't be propagated to current Frame instance. If you need to modify payload, you have to create new instance, see Builder#Frame(Frame). Length of returned array will be always same as getPayloadLength().

        Returns:
        payload data.

      • isControlFrame

        public boolean isControlFrame()
        Get information about frame type.
        Returns:
        true when this frame is control (close, ping, pong) frame, false otherwise.

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • builder

        public static Frame.Builder builder​(Frame frame)
        Create new Frame.Builder based on provided frame.
        Parameters:
        frame - frame used as a base for building new frame.
        Returns:
        new builder instance.