package foundation.handler;

import java.util.ArrayList;
import java.util.List;

import foundation.handler.envelop.ILetterWriter;
import foundation.json.JSONWriter;

public class LetterWriter implements ILetterWriter {
	
	private List<ResultItem> itemList;
	private List<String> errorList;
	private boolean containsDataItem;
	
	public LetterWriter() {
		itemList = new ArrayList<ResultItem>();
		errorList = new ArrayList<String>();
		containsDataItem = false;
	}

	public void addValue(Object value) {
		addValue("data", value);
	}
	
	public void addValue(String name, Object value) {
		ResultItem item = new ResultItem(name, value);
		itemList.add(item);
		
		if ("data".equalsIgnoreCase(name)) {
			containsDataItem = true;
		}
	}
	
	public boolean isContainsDataItem() {
		return containsDataItem;
	}

	@Override
	public List<ResultItem> getItemList() {
		return itemList;
	}
	
	@Override
	public void writeError(String error) {
		errorList.add(error);
	}

	@Override
	public void write(JSONWriter writer) {
		
	}

	@Override
	public void free() {
		
	}

}