public byte[] serialize() {
if (nodeName.getLocalName() == null) throw new RuntimeException("Local name is null");
final short id = getBroker().getSymbols().getSymbol(this);
final byte idSizeType = Signatures.getSizeType(id);
int prefixLen = 0;
if (nodeName.needsNamespaceDecl()) {
if (nodeName.getPrefix() != null && nodeName.getPrefix().length() > 0)
prefixLen = UTF8.encoded(nodeName.getPrefix());
}
final int nodeIdLen = nodeId.size();
final byte[] data =
ByteArrayPool.getByteArray(
LENGTH_SIGNATURE_LENGTH
+ NodeId.LENGTH_NODE_ID_UNITS
+ nodeIdLen
+ Signatures.getLength(idSizeType)
+ (nodeName.needsNamespaceDecl()
? LENGTH_NS_ID + LENGTH_PREFIX_LENGTH + prefixLen
: 0)
+ value.UTF8Size());
int pos = 0;
data[pos] = (byte) (Signatures.Attr << 0x5);
data[pos] |= idSizeType;
data[pos] |= (byte) (attributeType << 0x2);
if (nodeName.needsNamespaceDecl()) data[pos] |= 0x10;
pos += StoredNode.LENGTH_SIGNATURE_LENGTH;
ByteConversion.shortToByte((short) nodeId.units(), data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
nodeId.serialize(data, pos);
pos += nodeIdLen;
Signatures.write(idSizeType, id, data, pos);
pos += Signatures.getLength(idSizeType);
if (nodeName.needsNamespaceDecl()) {
final short nsId = getBroker().getSymbols().getNSSymbol(nodeName.getNamespaceURI());
ByteConversion.shortToByte(nsId, data, pos);
pos += LENGTH_NS_ID;
ByteConversion.shortToByte((short) prefixLen, data, pos);
pos += LENGTH_PREFIX_LENGTH;
if (nodeName.getPrefix() != null && nodeName.getPrefix().length() > 0)
UTF8.encode(nodeName.getPrefix(), data, pos);
pos += prefixLen;
}
value.UTF8Encode(data, pos);
return data;
}
public static StoredNode deserialize(
byte[] data, int start, int len, DocumentImpl doc, boolean pooled) {
int pos = start;
byte idSizeType = (byte) (data[pos] & 0x3);
boolean hasNamespace = (data[pos] & 0x10) == 0x10;
int attrType = (data[pos] & 0x4) >> 0x2;
pos += StoredNode.LENGTH_SIGNATURE_LENGTH;
int dlnLen = ByteConversion.byteToShort(data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
NodeId dln = doc.getBroker().getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
pos += dln.size();
short id = (short) Signatures.read(idSizeType, data, pos);
pos += Signatures.getLength(idSizeType);
String name = doc.getSymbols().getName(id);
if (name == null) throw new RuntimeException("no symbol for id " + id);
short nsId = 0;
String prefix = null;
if (hasNamespace) {
nsId = ByteConversion.byteToShort(data, pos);
pos += LENGTH_NS_ID;
int prefixLen = ByteConversion.byteToShort(data, pos);
pos += LENGTH_PREFIX_LENGTH;
if (prefixLen > 0) prefix = UTF8.decode(data, pos, prefixLen).toString();
pos += prefixLen;
}
String namespace = nsId == 0 ? "" : doc.getSymbols().getNamespace(nsId);
XMLString value = UTF8.decode(data, pos, len - (pos - start));
// OK : we have the necessary material to build the attribute
AttrImpl attr;
if (pooled) attr = (AttrImpl) NodePool.getInstance().borrowNode(Node.ATTRIBUTE_NODE);
// attr = (AttrImpl)NodeObjectPool.getInstance().borrowNode(AttrImpl.class);
else attr = new AttrImpl();
attr.setNodeName(doc.getSymbols().getQName(Node.ATTRIBUTE_NODE, namespace, name, prefix));
attr.value = value;
attr.setNodeId(dln);
if (dln == null) throw new RuntimeException("no node id " + id);
attr.setType(attrType);
return attr;
}
public static StoredNode deserialize(
byte[] data, int start, int len, DocumentImpl doc, boolean pooled) {
TextImpl text;
if (pooled) text = (TextImpl) NodePool.getInstance().borrowNode(Node.TEXT_NODE);
// text = (TextImpl)NodeObjectPool.getInstance().borrowNode(TextImpl.class);
else text = new TextImpl();
int pos = start;
pos += LENGTH_SIGNATURE_LENGTH;
int dlnLen = ByteConversion.byteToShort(data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
NodeId dln = doc.getBroker().getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
text.setNodeId(dln);
int nodeIdLen = dln.size();
pos += nodeIdLen;
text.cdata =
UTF8.decode(
data, pos, len - (LENGTH_SIGNATURE_LENGTH + nodeIdLen + NodeId.LENGTH_NODE_ID_UNITS));
return text;
}
public static void addToList(DBBroker broker, byte[] data, int start, int len, AttrList list) {
int pos = start;
byte idSizeType = (byte) (data[pos] & 0x3);
boolean hasNamespace = (data[pos] & 0x10) == 0x10;
int attrType = (data[pos] & 0x4) >> 0x2;
pos += StoredNode.LENGTH_SIGNATURE_LENGTH;
int dlnLen = ByteConversion.byteToShort(data, pos);
pos += NodeId.LENGTH_NODE_ID_UNITS;
NodeId dln = broker.getBrokerPool().getNodeFactory().createFromData(dlnLen, data, pos);
pos += dln.size();
short id = (short) Signatures.read(idSizeType, data, pos);
pos += Signatures.getLength(idSizeType);
String name = broker.getSymbols().getName(id);
if (name == null) throw new RuntimeException("no symbol for id " + id);
short nsId = 0;
String prefix = null;
if (hasNamespace) {
nsId = ByteConversion.byteToShort(data, pos);
pos += LENGTH_NS_ID;
int prefixLen = ByteConversion.byteToShort(data, pos);
pos += LENGTH_PREFIX_LENGTH;
if (prefixLen > 0) prefix = UTF8.decode(data, pos, prefixLen).toString();
pos += prefixLen;
}
String namespace = nsId == 0 ? "" : broker.getSymbols().getNamespace(nsId);
String value;
try {
value = new String(data, pos, len - (pos - start), "UTF-8");
} catch (UnsupportedEncodingException uee) {
LOG.warn(uee);
value = new String(data, pos, len - (pos - start));
}
list.addAttribute(
broker.getSymbols().getQName(Node.ATTRIBUTE_NODE, namespace, name, prefix),
value,
attrType);
}
public static XMLString readData(NodeId nodeId, Value value, XMLString string) {
final int nodeIdLen = nodeId.size();
UTF8.decode(
value.data(), value.start() + 3 + nodeIdLen, value.getLength() - 3 - nodeIdLen, string);
return string;
}