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import java.io.File;
import java.io.PrintStream;
import java.net.URL;
import java.security.CodeSource;
import java.security.ProtectionDomain;

public class Path
{
  public static String getCurrentPath()
  {
    String path = System.getProperty("serviceframe.config.path");
    System.out.println("serviceframe.config.path:" + path);

    if ((path == null) || (path.equalsIgnoreCase(""))) {
      Class caller = getCaller();
      if (caller == null)
        caller = Path.class;

      path = getCurrentPath(caller);
    }

    System.out.println("utility path getCurrentPath:" + path);
    return path;
  }

  public static Class<?> getCaller()
  {
    StackTraceElement[] stack = new Throwable().getStackTrace();
    System.out.println("stack length:" + stack.length);
    if (stack.length < 3)
      return Path.class;

    String className = stack[2].getClassName();
    System.out.println("getCaller class name:" + className);
    try {
      return Class.forName(className);
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
    }
    return null;
  }

  public static String getCurrentPath(Class<?> cls)
  {
　　 //获取jar包所在绝对路径
    String path = cls.getProtectionDomain().getCodeSource().getLocation().getPath();
    path = path.replaceFirst("file:/", "");
    path = path.replaceAll("!/", "");
    if (path.lastIndexOf(File.separator) >= 0)
      path = path.substring(0, path.lastIndexOf(File.separator));

    if (path.substring(0, 1).equalsIgnoreCase("/")) {
      String osName = System.getProperty("os.name").toLowerCase();
      if (osName.indexOf("window") >= 0)
        path = path.substring(1);
    }

    return path;
  }
}

 

/opt/web/jingzhun_infotop/webapps/WEB-INF/lib