package org.anyline.util; 
 
import java.io.BufferedReader; 
import java.io.InputStreamReader; 
 
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
 
public class RuntimeUtil { 
	private static Logger log = LoggerFactory.getLogger(RuntimeUtil.class); 
	 
	public static String run(String cmd, boolean wait){ 
		String result = ""; 
		Runtime runTime = Runtime.getRuntime(); 
        if (runTime == null) { 
            log.warn("[runtime][获取运行时环境失败]"); 
            return result; 
        } 
        try { 
            Process ps = Runtime.getRuntime().exec(cmd);   
            if(wait){ 
            	ps.waitFor();   
            } 
            BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));   
            StringBuffer sb = new StringBuffer();   
            String line;   
            while ((line = br.readLine()) != null) {   
                sb.append(line).append("\n");   
            }   
            result = sb.toString(); 
        } catch (Exception e) { 
        	e.printStackTrace(); 
        } 
         
        log.warn("[runtime][cmd:"+cmd+"][result:"+result+"]"); 
		return result; 
	} 
	public static String run(String cmd){ 
		return run(cmd, true); 
	} 
} 
