@Override
public Representation convert(DataHandler handler, final Reference ref, CcData data)
throws Exception {
final StringBuilder sb = new StringBuilder();
Query query = handler.getQuery();
sb.setLength(0);
String sep = "";
for (MdColumn c : query.getColumns()) {
sb.append(sep).append(escapeStr(c.getCName()));
sep = FS;
}
sb.append(NL);
new DataVisitor(handler) {
@Override
public void startRow() {}
@Override
public void visitCol() {
if (colNumber > 0) {
sb.append(FS);
}
if (value != null) {
switch (column.getType()) {
case DATE:
sb.append(DATE_FORMAT.format((Date) value));
break;
case STRING:
sb.append(escapeStr((String) value));
break;
case BLOB:
case CLOB:
sb.append("[file]");
break;
default:
sb.append(value);
}
}
}
@Override
public void endRow() {
sb.append(NL);
}
}.visit(data.getValue());
return new WriterRepresentation(MediaType.TEXT_CSV) {
@Override
public void write(Writer writer) throws IOException {
writer.write(sb.toString());
}
};
}
