package com.smtscript.lib;

import java.util.Map.Entry;

import org.mozilla.javascript.NativeObject;

import com.smtscript.utils.SMTStatic;

public class JSStaticSystem extends JSStaticAbstract 
{
	private static String PROP_IN_FILE_PERFIX = "B34556BC3DBD4CC9B4C1C05FD0AB1DB3:";
	
	public String getSysProperty(String key) throws Exception
	{
    	String value = System.getProperty(key);
    	if(value == null)
    		throw new Exception("can't find system property : " + key);
    	return value;
	}
  
	public String getSysProperty(String key, String defVal) throws Exception
	{
    	String value = System.getProperty(key);
    	if(value == null)
    		return defVal;
    	return value;
	}

    public void setSysProperty(String key, String value)
    {
    	System.setProperty(key, value);
    }
    
    public String getEnvValue(String key)
    {
    	return System.getenv(key);
    }
    
    public boolean hasSysProperty(String key)
    {
    	String value = System.getProperty(key);
    	return (value != null);
    }
    
    public void setSysPropertis(NativeObject nvConfig)
    {
    	for(Entry<Object, Object> entry : nvConfig.entrySet())
    	{
    		String key = (String)entry.getKey();
    		String value = System.getProperty(key);
    		
    		if(value != null)
    		{
        		if(value.startsWith(PROP_IN_FILE_PERFIX))
        		{
        			value = value.substring(PROP_IN_FILE_PERFIX.length());
        			value = SMTStatic.readAllText(value, "UTF-8");
        		}
        		
    			SMTStatic.putJSNotNullValue(nvConfig, key, value);
    		}
    	}
    }
    
    public void pushSysPropertis(NativeObject nvConfig)
    {
    	for(Entry<Object, Object> entry : nvConfig.entrySet())
    	{
    		String key = (String)entry.getKey();
    		String value = (String)entry.getValue();
    		System.setProperty(key, value);
    	}
   	
    }
}