Package no.mnemonic.messaging.requestsink.jms.util

Class JMSUtils

java.lang.Object

no.mnemonic.messaging.requestsink.jms.util.JMSUtils

public class JMSUtils
extends Object

Package-local utilities, only to be used within this package

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	JMSUtils.JMSConsumer<T>
static interface	JMSUtils.JMSSupplier<T>

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_SEGMENT_WINDOW_SIZE

Method Summary

Modifier and Type	Method	Description
static byte[]	arraySubSeq(byte[] a, int off, int len)
static <T> T	assertNotNull(T obj, String msg)
static javax.jms.BytesMessage	createByteMessage(javax.jms.Session session, byte[] data, ProtocolVersion protocolVersion, String serializerKey)	Creates a JMS object from a serializable object.
static javax.jms.TextMessage	createTextMessage(javax.jms.Session session, String str, ProtocolVersion protocolVersion)	Creates a JMS object from a string serializable object
static void	deleteTemporaryQueue(javax.jms.TemporaryQueue queue)
static MessageSerializer	determineSerializer(javax.jms.Message msg, MessageSerializer legacySerializer, Map<String,MessageSerializer> serializers)
static byte[]	extractMessageBytes(javax.jms.Message msg)
static void	fragment(InputStream messageData, int fragmentSize, FragmentConsumer consumer)
static ProtocolVersion	getProtocolVersion(javax.jms.Message message)
static int	getSegmentWindowSize(javax.jms.Message message)
static String	hex(byte[] data)
static boolean	isCompatible(javax.jms.Message message)
static MessageDigest	md5()
static String	md5(byte[] data)
static byte[]	reassembleFragments(Collection<MessageFragment> fragments, int expectedFragments, String md5Checksum)
static void	removeMessageListenerAndClose(javax.jms.MessageConsumer consumer)
static List<byte[]>	splitArray(byte[] bytes, int maxlen)

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_SEGMENT_WINDOW_SIZE

public static final int DEFAULT_SEGMENT_WINDOW_SIZE

See Also:

• Constant Field Values

Method Details

createTextMessage

public static javax.jms.TextMessage createTextMessage(javax.jms.Session session,
 String str,
 ProtocolVersion protocolVersion)
                                               throws javax.jms.JMSException

Creates a JMS object from a string serializable object

Parameters:

str - string to create message from

Returns:

a JMS message created from given object

Throws:

javax.jms.JMSException

createByteMessage

public static javax.jms.BytesMessage createByteMessage(javax.jms.Session session,
 byte[] data,
 ProtocolVersion protocolVersion,
 String serializerKey)
                                                throws javax.jms.JMSException

Creates a JMS object from a serializable object. This kind of message is NOT compatible with a V13 JMS consumer class

Parameters:

data - data to create message from

Returns:

a JMS message created from given object

Throws:

javax.jms.JMSException

reassembleFragments

public static byte[] reassembleFragments(Collection<MessageFragment> fragments,
 int expectedFragments,
 String md5Checksum)
                                  throws IOException,
javax.jms.JMSException,
ReassemblyMissingFragmentException

Throws:

IOException

javax.jms.JMSException

ReassemblyMissingFragmentException

fragment

public static void fragment(InputStream messageData,
 int fragmentSize,
 FragmentConsumer consumer)
                     throws javax.jms.JMSException

Throws:

javax.jms.JMSException

isCompatible

public static boolean isCompatible(javax.jms.Message message)
                            throws javax.jms.JMSException

Throws:

javax.jms.JMSException

getProtocolVersion

public static ProtocolVersion getProtocolVersion(javax.jms.Message message)
                                          throws javax.jms.JMSException

Throws:

javax.jms.JMSException

getSegmentWindowSize

public static int getSegmentWindowSize(javax.jms.Message message)
                                throws javax.jms.JMSException

Throws:

javax.jms.JMSException

removeMessageListenerAndClose

public static void removeMessageListenerAndClose(javax.jms.MessageConsumer consumer)

deleteTemporaryQueue

public static void deleteTemporaryQueue(javax.jms.TemporaryQueue queue)

determineSerializer

public static MessageSerializer determineSerializer(javax.jms.Message msg,
 MessageSerializer legacySerializer,
 Map<String,MessageSerializer> serializers)
                                             throws javax.jms.JMSException

Throws:

javax.jms.JMSException

extractMessageBytes

public static byte[] extractMessageBytes(javax.jms.Message msg)
                                  throws javax.jms.JMSException

Throws:

javax.jms.JMSException

hex

public static String hex(byte[] data)

md5

public static String md5(byte[] data)

md5

public static MessageDigest md5()

arraySubSeq

public static byte[] arraySubSeq(byte[] a,
 int off,
 int len)

assertNotNull

public static <T> T assertNotNull(T obj,
 String msg)

splitArray

public static List<byte[]> splitArray(byte[] bytes,
 int maxlen)

Parameters:

bytes - bytes to splitArray

Returns:

list of byte arrays, each at most maxlen bytes, or null if bytes are null.