/**
* Copyright (C) 2011-2012 Barchart, Inc. <http://www.barchart.com/>
*
* All rights reserved. Licensed under the OSI BSD License.
*
* http://www.opensource.org/licenses/bsd-license.php
*/
package com.barchart.feed.ddf.message.provider;
import static com.barchart.feed.ddf.message.provider.CodecHelper.*;
import static com.barchart.feed.ddf.message.provider.XmlTagBook.*;
import static com.barchart.feed.ddf.util.HelperXML.*;
import static com.barchart.util.ascii.ASCII.*;
import org.w3c.dom.Element;
import com.barchart.feed.ddf.message.api.DDF_MessageVisitor;
import com.barchart.feed.ddf.message.enums.DDF_MessageType;
import com.barchart.feed.ddf.util.HelperDDF;
import com.barchart.feed.ddf.util.HelperXML;
import com.barchart.feed.ddf.util.enums.DDF_Fraction;
import com.barchart.util.ascii.ASCII;
// TODO: Auto-generated Javadoc
class DX_XB_Book extends DF_3B_Book {
/* (non-Javadoc)
* @see com.barchart.feed.ddf.message.provider.DF_3B_Book#accept(com.barchart.feed.ddf.message.api.DDF_MessageVisitor, java.lang.Object)
*/
@Override
public <Result, Param> Result accept(
final DDF_MessageVisitor<Result, Param> visitor, final Param param) {
return visitor.visit(this, param);
}
DX_XB_Book() {
super(DDF_MessageType.BOOK_SNAP_XML);
}
DX_XB_Book(final DDF_MessageType messageType) {
super(messageType);
}
//
@Override
protected final String xmlTagName() {
return TAG;
}
/* (non-Javadoc)
* @see com.barchart.feed.ddf.message.provider.Base#decodeXML(org.w3c.dom.Element)
*/
@Override
public final void decodeXML(final Element tag) {
xmlCheckTagName(tag, TAG);
symbolArray = xmlDecSymbol(tag, SYMBOL, XML_STOP);
updateSpread();
final byte baseCode = xmlByteDecode(tag, FRACTION_DDF, XML_STOP);
final DDF_Fraction frac = DDF_Fraction.fromBaseCode(baseCode);
setFraction(frac);
//
countBid = xmlIntegerDecode(tag, BID_COUNT, XML_STOP);
if (countBid > 0) {
sizeBidArray = xmlLongArrayDecode(tag, BID_SIZE_ARRAY, COMMA,
XML_STOP);
priceBidArray = xmlDecimalArrayDecode(tag, BID_PRICE_ARRAY, COMMA,
frac, XML_STOP);
}
//
countAsk = xmlIntegerDecode(tag, ASK_COUNT, XML_STOP);
if (countAsk > 0) {
sizeAskArray = xmlLongArrayDecode(tag, ASK_SIZE_ARRAY, COMMA,
XML_STOP);
priceAskArray = xmlDecimalArrayDecode(tag, ASK_PRICE_ARRAY, COMMA,
frac, XML_STOP);
}
//
setDecodeDefaults();
}
/* (non-Javadoc)
* @see com.barchart.feed.ddf.message.provider.Base#encodeXML(org.w3c.dom.Element)
*/
@Override
public final void encodeXML(final Element tag) {
xmlCheckTagName(tag, TAG);
xmlAsciiEncode(getSymbolFull(), tag, SYMBOL);
final DDF_Fraction frac = getFraction();
xmlByteEncode(frac.baseCode, tag, FRACTION_DDF);
xmlIntegerEncode(countBid, tag, BID_COUNT);
xmlIntegerEncode(countAsk, tag, ASK_COUNT);
final StringBuilder textSizeBid = new StringBuilder(128);
final StringBuilder textSizeAsk = new StringBuilder(128);
final StringBuilder textPriceBid = new StringBuilder(128);
final StringBuilder textPriceAsk = new StringBuilder(128);
int bids = countBid;
for (int index = 0; index < countBid; index++) {
final long sizeBid = sizeBidArray[index];
if (sizeBid != 0) {
textSizeBid.append(Long.toString(sizeBid));
textPriceBid.append(HelperDDF.decimalEncode(
priceBidArray[index], frac));
bids--;
if (bids > 0) {
textSizeBid.append(STRING_COMMA);
textPriceBid.append(STRING_COMMA);
}
}
}
int asks = countAsk;
for (int index = 0; index < countAsk; index++) {
final long sizeAsk = sizeAskArray[index];
if (sizeAsk != 0) {
textSizeAsk.append(Long.toString(sizeAsk));
textPriceAsk.append(HelperDDF.decimalEncode(
priceAskArray[index], frac));
asks--;
if (asks > 0) {
textSizeAsk.append(STRING_COMMA);
textPriceAsk.append(STRING_COMMA);
}
}
}
assert bids == 0 && asks == 0;
xmlTextEncode(textSizeBid, tag, BID_SIZE_ARRAY);
xmlTextEncode(textSizeAsk, tag, ASK_SIZE_ARRAY);
xmlTextEncode(textPriceBid, tag, BID_PRICE_ARRAY);
xmlTextEncode(textPriceAsk, tag, ASK_PRICE_ARRAY);
}
/* (non-Javadoc)
* @see com.barchart.feed.ddf.message.provider.Base#toString()
*/
@Override
public String toString() {
final Element tag = HelperXML.xmlNewDocument(xmlTagName());
encodeXML(tag);
final byte[] array = HelperXML.xmlDocumentEncode(tag, true);
return new String(array, ASCII.ASCII_CHARSET);
}
@Override
protected void appedFields(final StringBuilder text) {
super.appedFields(text);
// TODO
text.append("TODO : ");
}
}