package org.rpi.utils;
   
   import java.io.BufferedReader;
   import java.io.InputStreamReader;
   import java.util.ArrayList;
   
   import org.apache.log4j.Logger;
   import org.openhome.net.device.IDvInvocation;
   
  public class Utils {
  
  	private static Logger log = Logger.getLogger(Utils.class);
  
  	public static String getLogText(IDvInvocation paramIDvInvocation) {
  		if (!log.isDebugEnabled())
  			return "";
  		String sp = " ";
  		StringBuilder sb = new StringBuilder();
  		try {
  			sb.append(sp);
  			sb.append("Adapter: ");
  			sb.append(getAdapterIP(paramIDvInvocation.getAdapter()));
  			sb.append(sp);
  			sb.append("uriPrefix: ");
  			sb.append(paramIDvInvocation.getResourceUriPrefix());
  			sb.append(sp);
  			sb.append("Version:");
  			sb.append(paramIDvInvocation.getVersion());
  			sb.append(sp);
  		} catch (Exception e) {
  		}
  		return sb.toString();
  	}
  
  	private static String getAdapterIP(int ip) {
  		String ipStr = String.format("%d.%d.%d.%d", (ip >>> 24 & 0xff), (ip >>> 16 & 0xff), (ip >>> 8 & 0xff), (ip & 0xff));
  		return ipStr;
  	}
  
  	/**
  	 * 
  	 * @param source
  	 * @param target
  	 * @return
  	 */
  	public static boolean containsString(String source, ArrayList<String> target) {
  		if (source == null || target == null)
  			return false;
  		for (String s : target) {
  			if (containsString(source, s)) {
  				return true;
  			}
  		}
  		return false;
  	}
  
  	/**
  	 * 
  	 * @param source
  	 * @param target
  	 * @return
  	 */
  	public static boolean containsString(String source, String target) {
  		if (source.toUpperCase().contains(target.toUpperCase())) {
  			return true;
  		}
  		return false;
  	}
  
  	public static String[] execute(String command) throws Exception {
  		ArrayList<String> list = new ArrayList<String>();
  		Process pa = Runtime.getRuntime().exec(command);
  		pa.waitFor();
  		BufferedReader reader = new BufferedReader(new InputStreamReader(pa.getInputStream()));
  		String line;
  		while ((line = reader.readLine()) != null) {
  			line = line.trim();
  			log.debug("Result of " + command + " : " + line);
  			list.add(line);
  		}
  		reader.close();
  		pa.getInputStream().close();
  		return list.toArray(new String[list.size()]);
  	}
  
      /**
       * Checks if the given string is empty. Empty means, it is null, has no content or has not length.
       *
       * @param string
       * @return
       */
      public static boolean isEmpty(String string) {
          if (string == null || string.equals("") || string.length() == 0) {
              return true;
          }
  
          return false;
      }
  
 }