/**
* Packs a Pdu into the ByteBuffer.
*
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff) {
super.marshal(buff);
minefieldID.marshal(buff);
requestingEntityID.marshal(buff);
buff.putShort((short) minefieldSequenceNumbeer);
buff.put((byte) requestID);
buff.put((byte) pduSequenceNumber);
buff.put((byte) numberOfPdus);
buff.put((byte) mineLocation.size());
buff.put((byte) sensorTypes.size());
buff.put((byte) pad2);
buff.putInt((int) dataFilter);
mineType.marshal(buff);
for (int idx = 0; idx < sensorTypes.size(); idx++) {
TwoByteChunk aTwoByteChunk = (TwoByteChunk) sensorTypes.get(idx);
aTwoByteChunk.marshal(buff);
} // end of list marshalling
buff.put((byte) pad3);
for (int idx = 0; idx < mineLocation.size(); idx++) {
Vector3Float aVector3Float = (Vector3Float) mineLocation.get(idx);
aVector3Float.marshal(buff);
} // end of list marshalling
} // end of marshal method
/**
* Unpacks a Pdu from the underlying data.
*
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff) {
super.unmarshal(buff);
minefieldID.unmarshal(buff);
requestingEntityID.unmarshal(buff);
minefieldSequenceNumbeer = (int) (buff.getShort() & 0xFFFF);
requestID = (short) (buff.get() & 0xFF);
pduSequenceNumber = (short) (buff.get() & 0xFF);
numberOfPdus = (short) (buff.get() & 0xFF);
numberOfMinesInThisPdu = (short) (buff.get() & 0xFF);
numberOfSensorTypes = (short) (buff.get() & 0xFF);
pad2 = (short) (buff.get() & 0xFF);
dataFilter = buff.getInt();
mineType.unmarshal(buff);
for (int idx = 0; idx < numberOfSensorTypes; idx++) {
TwoByteChunk anX = new TwoByteChunk();
anX.unmarshal(buff);
sensorTypes.add(anX);
}
pad3 = (short) (buff.get() & 0xFF);
for (int idx = 0; idx < numberOfMinesInThisPdu; idx++) {
Vector3Float anX = new Vector3Float();
anX.unmarshal(buff);
mineLocation.add(anX);
}
} // end of unmarshal method
private void updateWithCharBuf() {
final int reqSize = (int) charEncoder.maxBytesPerChar() * charBuff.position();
if (byteBuff.capacity() < reqSize) {
byteBuff = java.nio.ByteBuffer.allocate(2 * reqSize);
}
// Make ready for read
charBuff.flip();
final CoderResult cr = charEncoder.encode(charBuff, byteBuff, true);
try {
if (cr.isError()) cr.throwException();
// Make ready for read
byteBuff.flip();
final byte[] byts = byteBuff.array();
final int len = byteBuff.remaining();
final int strt = byteBuff.arrayOffset();
digest.update(byts, strt, len);
} catch (final CharacterCodingException e) {
throw new OXFException(e);
} catch (java.nio.BufferOverflowException e) {
throw new OXFException(e);
} catch (java.nio.BufferUnderflowException e) {
throw new OXFException(e);
} finally {
// Make ready for write
charBuff.clear();
byteBuff.clear();
}
}
/**
* Unpacks a Pdu from the underlying data.
*
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff) {
recordType = (short) (buff.get() & 0xFF);
changeIndicator = (short) (buff.get() & 0xFF);
associationStatus = (short) (buff.get() & 0xFF);
associationType = (short) (buff.get() & 0xFF);
entityID.unmarshal(buff);
ownStationLocation = (int) (buff.getShort() & 0xFFFF);
physicalConnectionType = (short) (buff.get() & 0xFF);
groupMemberType = (short) (buff.get() & 0xFF);
groupNumber = (int) (buff.getShort() & 0xFFFF);
} // end of unmarshal method
/**
* Packs a Pdu into the ByteBuffer.
*
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff) {
buff.put((byte) recordType);
buff.put((byte) changeIndicator);
buff.put((byte) associationStatus);
buff.put((byte) associationType);
entityID.marshal(buff);
buff.putShort((short) ownStationLocation);
buff.put((byte) physicalConnectionType);
buff.put((byte) groupMemberType);
buff.putShort((short) groupNumber);
} // end of marshal method
/**
* Packs a Pdu into the ByteBuffer.
*
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff) {
super.marshal(buff);
minefieldID.marshal(buff);
requestingEntityID.marshal(buff);
buff.put((byte) requestID);
buff.put((byte) requestedPerimeterPoints.size());
buff.put((byte) pad2);
buff.put((byte) sensorTypes.size());
buff.putInt((int) dataFilter);
requestedMineType.marshal(buff);
for (int idx = 0; idx < requestedPerimeterPoints.size(); idx++) {
Point aPoint = (Point) requestedPerimeterPoints.get(idx);
aPoint.marshal(buff);
} // end of list marshalling
for (int idx = 0; idx < sensorTypes.size(); idx++) {
TwoByteChunk aTwoByteChunk = (TwoByteChunk) sensorTypes.get(idx);
aTwoByteChunk.marshal(buff);
} // end of list marshalling
} // end of marshal method
/**
* Unpacks a Pdu from the underlying data.
*
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff) {
super.unmarshal(buff);
minefieldID.unmarshal(buff);
requestingEntityID.unmarshal(buff);
requestID = (short) (buff.get() & 0xFF);
numberOfPerimeterPoints = (short) (buff.get() & 0xFF);
pad2 = (short) (buff.get() & 0xFF);
numberOfSensorTypes = (short) (buff.get() & 0xFF);
dataFilter = buff.getInt();
requestedMineType.unmarshal(buff);
for (int idx = 0; idx < numberOfPerimeterPoints; idx++) {
Point anX = new Point();
anX.unmarshal(buff);
requestedPerimeterPoints.add(anX);
}
for (int idx = 0; idx < numberOfSensorTypes; idx++) {
TwoByteChunk anX = new TwoByteChunk();
anX.unmarshal(buff);
sensorTypes.add(anX);
}
} // end of unmarshal method
/**
* Packs a Pdu into the ByteBuffer.
*
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff) {
super.marshal(buff);
entityId.marshal(buff);
buff.putShort((short) communicationsDeviceID);
buff.putShort((short) encodingScheme);
buff.putShort((short) tdlType);
buff.putInt((int) sampleRate);
buff.putShort((short) data.size());
buff.putShort((short) samples);
for (int idx = 0; idx < data.size(); idx++) {
OneByteChunk aOneByteChunk = (OneByteChunk) data.get(idx);
aOneByteChunk.marshal(buff);
} // end of list marshalling
} // end of marshal method
/**
* Unpacks a Pdu from the underlying data.
*
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff) {
super.unmarshal(buff);
entityId.unmarshal(buff);
communicationsDeviceID = (int) (buff.getShort() & 0xFFFF);
encodingScheme = (int) (buff.getShort() & 0xFFFF);
tdlType = (int) (buff.getShort() & 0xFFFF);
sampleRate = buff.getInt();
dataLength = (int) (buff.getShort() & 0xFFFF);
samples = (int) (buff.getShort() & 0xFFFF);
for (int idx = 0; idx < dataLength; idx++) {
OneByteChunk anX = new OneByteChunk();
anX.unmarshal(buff);
data.add(anX);
}
} // end of unmarshal method
/**
* Packs a Pdu into the ByteBuffer.
*
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff) {
buff.putFloat((float) x);
buff.putFloat((float) y);
buff.putFloat((float) z);
} // end of marshal method
/**
* Unpacks a Pdu from the underlying data.
*
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff) {
x = buff.getFloat();
y = buff.getFloat();
z = buff.getFloat();
} // end of unmarshal method
/**
* Unpacks a Pdu from the underlying data.
*
* @throws java.nio.BufferUnderflowException if buff is too small
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin reading
* @since ??
*/
public void unmarshal(java.nio.ByteBuffer buff) {
for (int idx = 0; idx < otherParameters.length; idx++) {
otherParameters[idx] = buff.get();
} // end of array unmarshaling
} // end of unmarshal method
/**
* Packs a Pdu into the ByteBuffer.
*
* @throws java.nio.BufferOverflowException if buff is too small
* @throws java.nio.ReadOnlyBufferException if buff is read only
* @see java.nio.ByteBuffer
* @param buff The ByteBuffer at the position to begin writing
* @since ??
*/
public void marshal(java.nio.ByteBuffer buff) {
for (int idx = 0; idx < otherParameters.length; idx++) {
buff.put((byte) otherParameters[idx]);
} // end of array marshaling
} // end of marshal method
public void startDocument() throws SAXException {
charBuff.clear();
byteBuff.clear();
charEncoder.reset();
}
/**
* This digester is based on some existing public document (not sure which). There are some
* changes though. It is not clear anymore why we used that document as a base, as this is purely
* internal.
*
* <p>The bottom line is that the digest should change whenever the infoset of the source XML
* document changes.
*/
public static class DigestContentHandler implements XMLReceiver {
private static final int ELEMENT_CODE = Node.ELEMENT_NODE;
private static final int ATTRIBUTE_CODE = Node.ATTRIBUTE_NODE;
private static final int TEXT_CODE = Node.TEXT_NODE;
private static final int PROCESSING_INSTRUCTION_CODE = Node.PROCESSING_INSTRUCTION_NODE;
private static final int NAMESPACE_CODE = 0XAA01; // some code that is none of the above
private static final int COMMENT_CODE = 0XAA02; // some code that is none of the above
/**
* 4/6/2005 d : Previously we were using String.getBytes( "UnicodeBigUnmarked" ). ( Believe the
* code was copied from RFC 2803 ). This first tries to get a java.nio.Charset with the name if
* this fails it uses a sun.io.CharToByteConverter. Now in the case of "UnicodeBigUnmarked"
* there is no such Charset so a CharToByteConverter, utf-16be, is used. Unfortunately this
* negative lookup is expensive. ( Costing us a full second in the 50thread/512MB test. ) The
* solution, of course, is just to use get the appropriate Charset and hold on to it.
*/
private static final Charset utf16BECharset = Charset.forName("UTF-16BE");
/** Encoder has state and therefore cannot be shared across threads. */
private final CharsetEncoder charEncoder = utf16BECharset.newEncoder();
private java.nio.CharBuffer charBuff = java.nio.CharBuffer.allocate(64);
private java.nio.ByteBuffer byteBuff = java.nio.ByteBuffer.allocate(128);
private final MessageDigest digest = SecureUtils.defaultMessageDigest();
private void ensureCharBuffRemaining(final int size) {
if (charBuff.remaining() < size) {
final int cpcty = (charBuff.capacity() + size) * 2;
final java.nio.CharBuffer newChBuf = java.nio.CharBuffer.allocate(cpcty);
newChBuf.put(charBuff);
charBuff = newChBuf;
}
}
private void updateWithCharBuf() {
final int reqSize = (int) charEncoder.maxBytesPerChar() * charBuff.position();
if (byteBuff.capacity() < reqSize) {
byteBuff = java.nio.ByteBuffer.allocate(2 * reqSize);
}
// Make ready for read
charBuff.flip();
final CoderResult cr = charEncoder.encode(charBuff, byteBuff, true);
try {
if (cr.isError()) cr.throwException();
// Make ready for read
byteBuff.flip();
final byte[] byts = byteBuff.array();
final int len = byteBuff.remaining();
final int strt = byteBuff.arrayOffset();
digest.update(byts, strt, len);
} catch (final CharacterCodingException e) {
throw new OXFException(e);
} catch (java.nio.BufferOverflowException e) {
throw new OXFException(e);
} catch (java.nio.BufferUnderflowException e) {
throw new OXFException(e);
} finally {
// Make ready for write
charBuff.clear();
byteBuff.clear();
}
}
private void updateWith(final String s) {
addToCharBuff(s);
updateWithCharBuf();
}
private void updateWith(final char[] chArr, final int ofst, final int len) {
ensureCharBuffRemaining(len);
charBuff.put(chArr, ofst, len);
updateWithCharBuf();
}
private void addToCharBuff(final char c) {
ensureCharBuffRemaining(1);
charBuff.put(c);
}
private void addToCharBuff(final String s) {
final int size = s.length();
ensureCharBuffRemaining(size);
charBuff.put(s);
}
public byte[] getResult() {
return digest.digest();
}
public void setDocumentLocator(Locator locator) {}
public void startDocument() throws SAXException {
charBuff.clear();
byteBuff.clear();
charEncoder.reset();
}
public void endDocument() throws SAXException {}
public void startPrefixMapping(String prefix, String uri) throws SAXException {
digest.update((byte) ((NAMESPACE_CODE >> 24) & 0xff));
digest.update((byte) ((NAMESPACE_CODE >> 16) & 0xff));
digest.update((byte) ((NAMESPACE_CODE >> 8) & 0xff));
digest.update((byte) (NAMESPACE_CODE & 0xff));
updateWith(prefix);
digest.update((byte) 0);
digest.update((byte) 0);
updateWith(uri);
digest.update((byte) 0);
digest.update((byte) 0);
}
public void endPrefixMapping(String prefix) throws SAXException {}
public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
throws SAXException {
digest.update((byte) ((ELEMENT_CODE >> 24) & 0xff));
digest.update((byte) ((ELEMENT_CODE >> 16) & 0xff));
digest.update((byte) ((ELEMENT_CODE >> 8) & 0xff));
digest.update((byte) (ELEMENT_CODE & 0xff));
addToCharBuff('{');
addToCharBuff(namespaceURI);
addToCharBuff('}');
addToCharBuff(localName);
updateWithCharBuf();
digest.update((byte) 0);
digest.update((byte) 0);
int attCount = atts.getLength();
digest.update((byte) ((attCount >> 24) & 0xff));
digest.update((byte) ((attCount >> 16) & 0xff));
digest.update((byte) ((attCount >> 8) & 0xff));
digest.update((byte) (attCount & 0xff));
for (int i = 0; i < attCount; i++) {
digest.update((byte) ((ATTRIBUTE_CODE >> 24) & 0xff));
digest.update((byte) ((ATTRIBUTE_CODE >> 16) & 0xff));
digest.update((byte) ((ATTRIBUTE_CODE >> 8) & 0xff));
digest.update((byte) (ATTRIBUTE_CODE & 0xff));
final String attURI = atts.getURI(i);
final String attNam = atts.getLocalName(i);
addToCharBuff('{');
addToCharBuff(attURI);
addToCharBuff('}');
addToCharBuff(attNam);
updateWithCharBuf();
digest.update((byte) 0);
digest.update((byte) 0);
final String val = atts.getValue(i);
updateWith(val);
}
}
public void endElement(String namespaceURI, String localName, String qName)
throws SAXException {}
public void characters(char ch[], int start, int length) throws SAXException {
digest.update((byte) ((TEXT_CODE >> 24) & 0xff));
digest.update((byte) ((TEXT_CODE >> 16) & 0xff));
digest.update((byte) ((TEXT_CODE >> 8) & 0xff));
digest.update((byte) (TEXT_CODE & 0xff));
updateWith(ch, start, length);
digest.update((byte) 0);
digest.update((byte) 0);
}
public void ignorableWhitespace(char ch[], int start, int length) throws SAXException {}
public void processingInstruction(String target, String data) throws SAXException {
digest.update((byte) ((PROCESSING_INSTRUCTION_CODE >> 24) & 0xff));
digest.update((byte) ((PROCESSING_INSTRUCTION_CODE >> 16) & 0xff));
digest.update((byte) ((PROCESSING_INSTRUCTION_CODE >> 8) & 0xff));
digest.update((byte) (PROCESSING_INSTRUCTION_CODE & 0xff));
updateWith(target);
digest.update((byte) 0);
digest.update((byte) 0);
updateWith(data);
digest.update((byte) 0);
digest.update((byte) 0);
}
public void skippedEntity(String name) throws SAXException {}
public void startDTD(String name, String publicId, String systemId) throws SAXException {}
public void endDTD() throws SAXException {}
public void startEntity(String name) throws SAXException {}
public void endEntity(String name) throws SAXException {}
public void startCDATA() throws SAXException {}
public void endCDATA() throws SAXException {}
public void comment(char[] ch, int start, int length) throws SAXException {
// We do consider comments significant for the purpose of digesting. But should this be an
// option?
digest.update((byte) ((COMMENT_CODE >> 24) & 0xff));
digest.update((byte) ((COMMENT_CODE >> 16) & 0xff));
digest.update((byte) ((COMMENT_CODE >> 8) & 0xff));
digest.update((byte) (COMMENT_CODE & 0xff));
updateWith(ch, start, length);
digest.update((byte) 0);
digest.update((byte) 0);
}
}