package xin.glue.ui.common.component;

import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.posdata.glue.msg.util.PosMessageUtil;
import com.posdata.glue.util.xml.PosXMLUtil;

public class PosMessageMap {
	public static Map getMessageMap(String MsgID) {
		return getMessageMap(MsgID, null);
	}

	public static Map getMessageMap(String MsgID, String layoutXML) {
		MsgID = MsgID.trim();
		if (layoutXML == null)
			layoutXML = "layout/" + MsgID + "-msg.xml";
		else
			layoutXML = "layout/" + layoutXML.trim() + "-msg.xml";
		Object obj = null;
		try {
			obj = (new PosXMLUtil()).loadXMLFromClasspath(layoutXML);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}

		obj = PosMessageUtil.getSource(obj, "msgs");
		obj = PosMessageUtil.getSource(obj, "msg");
		Map map = null;
		if (PosMessageUtil.isList(obj)) {
			int count = ((List)obj).size();
			for (int i=0; i<count; i++) {
				map = (Map)PosMessageUtil.getSource(obj, String.valueOf(i));
				if (map.get("id").equals(MsgID)) break;
			}
		} else map = (Map) obj;

		obj = PosMessageUtil.getSource(map, "attribute");
		Map fields = new HashMap();
		if (PosMessageUtil.isList(obj)) {
			int count = ((List)obj).size();
			Collections.sort((List)obj, new Comparator() {
				public int compare(Object o1, Object o2) {
					Map m1 = (Map)o1;
					Map m2 = (Map)o2;
					return (Integer.parseInt(m1.get("seq").toString()) - Integer.parseInt(m2.get("seq").toString()));
				}});
			for (int i=0; i<count; i++) {
				map = (Map)PosMessageUtil.getSource(obj, String.valueOf(i));
				fields.put(map.get("id"), map.get("length"));
			}
		}
		
		return fields;
	}
}