me.cmoz.grizzly.protobuf
Class FixedLengthProtobufEncoder

java.lang.Object
  org.glassfish.grizzly.AbstractTransformer<com.google.protobuf.MessageLite,org.glassfish.grizzly.Buffer>
      me.cmoz.grizzly.protobuf.FixedLengthProtobufEncoder

All Implemented Interfaces:

org.glassfish.grizzly.Transformer<com.google.protobuf.MessageLite,org.glassfish.grizzly.Buffer>

public class FixedLengthProtobufEncoder
extends org.glassfish.grizzly.AbstractTransformer<com.google.protobuf.MessageLite,org.glassfish.grizzly.Buffer>

Encodes Protocol Buffers messages to the output stream with a fixed length header containing the size of the message.

Nested Class Summary

Nested classes/interfaces inherited from class org.glassfish.grizzly.AbstractTransformer

org.glassfish.grizzly.AbstractTransformer.LastResultAwareState<K,L>

Field Summary

static int

IO_WRITE_ERROR The error code for a failed write to the output stream.

Fields inherited from class org.glassfish.grizzly.AbstractTransformer

attributeBuilder, stateAttr

Constructor Summary

FixedLengthProtobufEncoder(int headerLength)
A protobuf encoder that uses the supplied headerSize to add a header to the message containing the size of the message.

Method Summary

java.lang.String	getName()
boolean	hasInputRemaining(org.glassfish.grizzly.attributes.AttributeStorage storage, com.google.protobuf.MessageLite input)
protected org.glassfish.grizzly.TransformationResult<com.google.protobuf.MessageLite,org.glassfish.grizzly.Buffer>	transformImpl(org.glassfish.grizzly.attributes.AttributeStorage storage, com.google.protobuf.MessageLite input)
void	writeHeader(org.glassfish.grizzly.utils.BufferOutputStream outputStream, int messageLength) Writes a header to the supplied outputStream.

Methods inherited from class org.glassfish.grizzly.AbstractTransformer

createStateObject, getLastResult, getMemoryManager, getNamePrefix, getValue, obtainMemoryManager, obtainStateObject, release, saveLastResult, setMemoryManager, transform

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IO_WRITE_ERROR

public static final int IO_WRITE_ERROR

The error code for a failed write to the output stream.

See Also:

Constant Field Values

Constructor Detail

FixedLengthProtobufEncoder

public FixedLengthProtobufEncoder(int headerLength)

A protobuf encoder that uses the supplied headerSize to add a header to the message containing the size of the message.

Parameters:

headerLength - The length of the header storing the size of the message.

Method Detail

writeHeader

public void writeHeader(org.glassfish.grizzly.utils.BufferOutputStream outputStream,
                        int messageLength)
                 throws java.io.IOException

Writes a header to the supplied outputStream.

Note Do not close the outputStream this will be handled automatically.

Parameters:

outputStream - The stream to write the header to.

messageLength - The length of the message to write.

Throws:

java.io.IOException - If there was a problem writing the header.

getName

public java.lang.String getName()

Specified by:

getName in interface org.glassfish.grizzly.Transformer<com.google.protobuf.MessageLite,org.glassfish.grizzly.Buffer>

transformImpl

protected final org.glassfish.grizzly.TransformationResult<com.google.protobuf.MessageLite,org.glassfish.grizzly.Buffer> transformImpl(org.glassfish.grizzly.attributes.AttributeStorage storage,
                                                                                                                                       @NonNull
                                                                                                                                       com.google.protobuf.MessageLite input)
                                                                                                                                throws org.glassfish.grizzly.TransformationException

Specified by:

transformImpl in class org.glassfish.grizzly.AbstractTransformer<com.google.protobuf.MessageLite,org.glassfish.grizzly.Buffer>

Throws:

org.glassfish.grizzly.TransformationException

hasInputRemaining

public final boolean hasInputRemaining(org.glassfish.grizzly.attributes.AttributeStorage storage,
                                       com.google.protobuf.MessageLite input)