Package com.wowza.wms.amf

Class AMFData

Object
com.wowza.wms.amf.AMFData
Direct Known Subclasses:
AMFDataArray, AMFDataByteArray, AMFDataItem, AMFDataList, AMFDataObj
public abstract class AMFData extends Object

Base abstract class for data in Action Message Format (AMF). Data is sent between the Flash client and the Wowza Streaming Engine using the AMF format. This class cannot be instantiated. It serves as the base class for all AMFData objects.

  • Field Details

  • Constructor Details

    • AMFData

      public AMFData()

  • Method Details

    • getType

      public int getType()
      Returns the data type for this object
      Returns:
      object type DATA_TYPE_*

    • setType

      public void setType(int type)
      Sets the the data type for this object
      Parameters:
      type - type DATA_TYPE_*

    • testNextByte

      public static boolean testNextByte(ByteBuffer data, int test)
      Peek at the next value in data to see if its the test value
      Parameters:
      data - binary data being deserialized
      test - value being tested
      Returns:
      return true if the next byte in the buffer equals the test value

    • peekByte

      public static int peekByte(ByteBuffer data)
      Return the next byte in the buffer without incrementing the data position
      Parameters:
      data - binary data being deserialized
      Returns:
      next byte in buffer

    • skipByte

      public static int skipByte(ByteBuffer data)
      Skip forward one byte in the byte buffer
      Parameters:
      data - binary data being deserialized
      Returns:
      next byte in buffer

    • isObjStart

      public static boolean isObjStart(ByteBuffer data, AMFDataContextDeserialize context)
      Returns true if next byte in data is object start
      Parameters:
      data - binary data being deserialized
      context - deserialization context
      Returns:
      Returns true if next byte in data is object start

    • isAMF3Start

      public static boolean isAMF3Start(ByteBuffer data, AMFDataContextDeserialize context)
      Returns true if next byte in data is AMF3 start
      Parameters:
      data - binary data being deserialized
      context - deserialization context
      Returns:
      Returns true if next byte in data is object start

    • isArrayStart

      public static boolean isArrayStart(ByteBuffer data, AMFDataContextDeserialize context)
      Returns true if next byte in data is an array start
      Parameters:
      data - binary data being deserialized
      context - deserialization context
      Returns:
      Returns true if next byte in data is and array start

    • isMixedArrayStart

      public static boolean isMixedArrayStart(ByteBuffer data, AMFDataContextDeserialize context)
      Returns true if next byte in data is mixed array start
      Parameters:
      data - binary data being deserialized
      context - deserialization context
      Returns:
      Returns true if next byte in data is mixed array start

    • isObjEnd

      public static boolean isObjEnd(ByteBuffer data, AMFDataContextDeserialize context)
      Returns true if next byte is object end
      Parameters:
      data - binary data being deserialized
      context - deserialization context
      Returns:
      Returns true if next byte in object end

    • isByteArrayStart

      public static boolean isByteArrayStart(ByteBuffer data, AMFDataContextDeserialize context)
      Returns true if next byte is ByteArray start
      Parameters:
      data - binary data being deserialized
      context - deserialization context
      Returns:
      true if next byte in object end

    • getReference

      public static AMFData getReference(ByteBuffer data, AMFDataContextDeserialize context)
      Get AMF3 object reference
      Parameters:
      data - binary data being deserialized
      context - deserialization context
      Returns:
      null if not a reference else referenced object

    • deserializeInnerObject

      public static AMFData deserializeInnerObject(ByteBuffer data, AMFDataContextDeserialize context) throws IOException
      Deserialize next item
      Parameters:
      data - binary data being deserialized
      context - deserialization context
      Returns:
      deserialized object
      Throws:
      IOException

    • createContextSerialize

      public static AMFDataContextSerialize createContextSerialize()
      Create an AMF3 serialization context
      Returns:
      AMF3 serialization context

    • createContextSerialize

      public static AMFDataContextSerialize createContextSerialize(int objectEncoding)
      Create an AMF3 serialization context
      Parameters:
      objectEncoding - object encoding level (see AMF_LEVEL*)
      Returns:
      AMF3 serialization context

    • createContextDeserialize

      public static AMFDataContextDeserialize createContextDeserialize()
      Create an AMF3 deserialization context
      Returns:
      AMF3 deserialization context

    • createContextDeserialize

      public static AMFDataContextDeserialize createContextDeserialize(int objectEncoding)
      Create an AMF3 deserialization context
      Parameters:
      objectEncoding - object encoding level (see AMF_LEVEL*)
      Returns:
      AMF3 deserialization context

    • serialize

      public abstract void serialize(DataOutputStream out)
      Serialize object to output stream
      Parameters:
      out - Output stream

    • serialize

      public abstract void serialize(DataOutputStream out, int objectEncoding)
      Serialize object to output stream
      Parameters:
      out - Output stream
      objectEncoding - object encoding level (see AMF_LEVEL*)

    • serialize

      public abstract void serialize(DataOutputStream out, AMFDataContextSerialize context)
      Serialize object to output stream
      Parameters:
      out - Output stream
      context - serialization context used by AMF3

    • serialize

      public abstract byte[] serialize()
      Serial object to byte array
      Returns:
      serialized byte array

    • serialize

      public abstract byte[] serialize(int objectEncoding)
      Serial object to byte array
      Parameters:
      objectEncoding - object encoding level (see AMF_LEVEL*)
      Returns:
      serialized byte array

    • serialize

      public abstract byte[] serialize(AMFDataContextSerialize context)
      Serial object to byte array
      Parameters:
      context - serialization context used by AMF3
      Returns:
      serialized byte array

    • deserialize

      public abstract void deserialize(ByteBuffer data)
      Deserialize data in byte buffer
      Parameters:
      data - binary data

    • deserialize

      public abstract void deserialize(ByteBuffer data, AMFDataContextDeserialize context)
      Deserialize data in byte buffer
      Parameters:
      data - binary data
      context - deserialization context used by AMF3

    • getValue

      public abstract Object getValue()
      Convert object to Java native class
      Returns:
      java native class

    • triggerAMF3Switch

      public static boolean triggerAMF3Switch(AMFData data)
      Return true if the object is serialized differently in AMF3
      Parameters:
      data - AMF object
      Returns:
      true if the object is serialized differently in AMF3