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package org.simpleframework.http.socket.table;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
public class WebSocketTableRowAnnotator {
private final WebSocketTableSchema schema;
private final WebSocketValueEncoder encoder;
public WebSocketTableRowAnnotator(WebSocketTableSchema schema) {
this.encoder = new WebSocketValueEncoder();
this.schema = schema;
}
public String calculateHighlight(WebSocketTableRow row, long lastUpdateDone) {
Map<String, String> pairs = new LinkedHashMap<String, String>();
Map<String, String> values = new LinkedHashMap<String, String>();
pairs.put("bidEFP", "bidEFPVolume");
pairs.put("bidEFPVolume", "bidEFP");
pairs.put("offerEFP", "offerEFPVolume");
pairs.put("offerEFPVolume", "offerEFP");
pairs.put("bidOutright", "bidOutrightVolume");
pairs.put("bidOutrightVolume", "bidOutright");
pairs.put("offerOutright", "offerOutrightVolume");
pairs.put("offerOutrightVolume", "offerOutright");
StringBuilder builder = new StringBuilder();
int index = row.getIndex();
builder.append(index);
builder.append(":");
String delim = "";
int count = 0;
List<String> columns = schema.columnNames();
for(int i = 0; i < columns.size(); i++){
String column = columns.get(i);
WebSocketTableCell cell = row.getValue(column);
if(cell == null) {
throw new IllegalStateException("Could not find column " + column);
}
String value = cell.getValue();
if(cell != null) {
long cellChanged = cell.getTimeStamp();
long difference = cellChanged - lastUpdateDone;
if(difference > 0 || values.containsKey(column)) { // positive means change happened later than update
builder.append(delim);
builder.append(i);
builder.append("=");
String doneAlready = values.get(column);
if(doneAlready != null) {
builder.append(doneAlready);
} else {
if(String.valueOf(value).indexOf("20") != -1 && (column.indexOf("bid") != -1 || column.indexOf("offer") != -1)) {
String style = encoder.encode("background-color: #32cd32;");
String other = pairs.get(column);
if(other != null) {
values.put(other, style);
}
values.put(column, style);
builder.append(style);
} else {
String style = encoder.encode("");
String other = pairs.get(column);
if(other != null) {
values.put(other, style);
}
values.put(column, style);
builder.append(style);
}
}
count++;
delim = ",";
}
}
}
if(count <= 0) {
return "";
}
return builder.toString();
}
}
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