package org.openecomp.sdc.toscaparser.utils;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.Map;

public class DumpUtils {
	
	@SuppressWarnings("unchecked")
	public static void dumpYaml(Object yo,int level) {
		final String indent = "                                                                         ";
    	try {
	    	if(yo == null) {
	    		System.out.println("<null>");
	    		return;
	    	}
			String cname = yo.getClass().getSimpleName();
	    	System.out.print(cname);
	    	if(cname.equals("LinkedHashMap")) {
				LinkedHashMap<String,Object> lhm = (LinkedHashMap<String,Object>)yo;
	    		System.out.println();
				for(Map.Entry<String,Object> me: lhm.entrySet()) {
					System.out.print(indent.substring(0,level) + me.getKey() + ": ");
					dumpYaml(me.getValue(),level+2);
				}
	    	}
	    	else if(cname.equals("ArrayList")) {
	    		ArrayList<Object> al = (ArrayList<Object>)yo;
	    		System.out.println();
	    		for (int i=0; i<al.size(); i++) {
	    			System.out.format("%s[%d] ",indent.substring(0,level),i);
	    			dumpYaml(al.get(i),level+2);
	    		}
	    	}
	    	else if(cname.equals("String")) {
	    		System.out.println(" ==> \"" + (String)yo + "\"");
	    	}
	    	else if(cname.equals("Integer")) {
	    		System.out.println(" ==> " + (int)yo);
	    	}
	    	else if(cname.equals("Boolean")) {
	    		System.out.println(" ==> " + (boolean)yo);
	    	}
	    	else if(cname.equals("Double")) {
	    		System.out.println(" ==> " + (double)yo);
	    	}
	    	else {
	    		System.out.println(" !! unexpected type");
	    	}
    	}
    	catch(Exception e) {
    		System.out.println("Exception!! " + e.getMessage());	
    	}
	}
}