domtofile.java

这是一个用java和xml编写的流媒体服务器管理软件

        currentNode = (Element) parentNode;

        if (tryToWriteFile(currentNode))
        {
          return;
        }
      }
      else
      {
        return;
      }
    }
  }     // writeFirstFileInPath

  /**
   * 
   * @param nodeToWrite
   * @param nodeType
   * @param fileDir
   * @param filename
   * 
   * @throws NumberFormatException
   */
  public static void writeFileFromNode(Element nodeToWrite, int nodeType, 
          String fileDir, 
          String fileName) throws NumberFormatException, 
          FailedToWriteFileException
  {
	System.out.println("current write file nodetype is :" + nodeType);
	System.out.println("nodeType :" + nodeType);
    switch (nodeType)
    {

      case GLOBAL:

      case DIGITAL_DIAL_PLAN:

      case IP_DIAL_PLAN:

      case FEATURE_SERVER:

      case MARSHAL_SERVER:

      case CDR_SERVER:

      case HEARTBEAT_SERVER:

      case PDP_SERVER:      
    	  
      case OSP_SERVER:

      case DVR:
    	  
      case ENV:      
      
      case REDIRECT_SERVER:
      {
        String fileType = null;

        if (nodeToWrite.hasAttribute("fileDir"))
        {
          nodeToWrite.removeAttribute("fileDir");
        }

        if (nodeToWrite.hasAttribute("fileName"))
        {
          nodeToWrite.removeAttribute("fileName");
        }

        if (nodeToWrite.hasAttribute("fileType"))
        {
          fileType = nodeToWrite.getAttribute("fileType");
          nodeToWrite.removeAttribute("fileType");
        }

        String xmlString = new XMLUtils().buildXMLString(nodeToWrite);

        writeAsIs(xmlString, fileDir, fileName);

        nodeToWrite.setAttribute("fileDir", fileDir);
        nodeToWrite.setAttribute("fileName", fileName);
        if (fileType != null)
        {
          nodeToWrite.setAttribute("fileType", fileType);
        }

        break;
      }

      case FEATURE_SERVERS:

      case MARSHAL_SERVERS:

      case CDR_SERVERS:

      case HEARTBEAT_SERVERS:

      case REDIRECT_SERVERS:
    	 
      case DVR_CLIENT:
    	  
      case ENV_CLIENT:
    	  
      case PDP_SERVERS:
      {    	   
        writeListOfServers(nodeToWrite, fileDir, fileName);

        break;
      }
      /*
      case DVR_CLIENT:
      {
    	  writeListOfClient(nodeToWrite, fileDir, fileName);

          break;
      }	 
      
      case ENV_CLIENT:
      {
          writeListOfServers(nodeToWrite, fileDir, fileName);

          break;
      }	  
      */
      default:
      {
        String nodeTypeString = null;

        try
        {
          nodeTypeString = TreeNodeTypes.strings[nodeType];
        }
        catch (ArrayIndexOutOfBoundsException e)
        {
          nodeTypeString = Integer.toString(nodeType);
        }

        System.out.println("cannot write file for node of type " 
                           + nodeTypeString);

        throw new NumberFormatException();
      }
    }
  }     // writeFileFromNode

  /**
   * Write the given string to the given file.
   * My apologies for the connection kluge. It is for Deployment.
   * I realized at the last moment that I need to
   * establish a connection through something other
   * than the AdministrativeLogin screen.
   * @param xmlString content of file to be written
   * @param fileDir directory path of file to be written
   * @param filename name of file to be written
   * @throws FailedToWriteFileException if the write was not successful
   */
  protected static void writeAsIs(String xmlString, String fileDir, 
          String filename) throws FailedToWriteFileException
  {

    // if the AdministrativeLogin screen returns a null connection,
    // get one from the Deployment class.
    VPPTransactionWrapper connection = AdministrativeLogin.getConnection();

    if (connection == null)
    {
      connection = DeployServers.getConnection();

      if (connection == null)
      {
        System.out.println("Error: null connection");

        return;
      }
    }

    try
    {
      connection.doPut(fileDir, filename, xmlString);
    }
    catch (VPPException e)
    {
      VPPTransactionWrapper.showVPPException(e, 
              "Error writing " + filename + " to " + fileDir);

      throw new FailedToWriteFileException(e.getMessage());
    }
  }

  private static void writeListOfClient(final Element nodeToWrite, 
          String fileDir, String filename) throws FailedToWriteFileException
  {
	  System.out.println("string :" + nodeToWrite);
    try
    {
      TransformerFactory tf = TransformerFactory.newInstance();

      Class thisClass = Class.forName("vocal.data.DOMToFile");
      java.io.InputStream resourceInput
        = thisClass.getResourceAsStream("resources/ListOfClient.xsl");
      if(resourceInput == null)
      {
        System.out.println("resourceInput is null");
      }

      StreamSource xslSource = new StreamSource(resourceInput);
      
      Transformer transformer = tf.newTransformer(xslSource);

      DOMSource source = new DOMSource(nodeToWrite);
      StringWriter writer = new StringWriter();      
      StreamResult result = new StreamResult(writer);                                                            
      transformer.transform(source, result);
      
      System.out.println("string :" + writer.getBuffer().toString());  
      StringBuffer outputBuf = writer.getBuffer();      
      // delete the <? xml version line
      outputBuf.delete(0, outputBuf.indexOf("?>") + 3);
      
      writeAsIs(writer.getBuffer().toString(), fileDir, filename);
    }
    catch (TransformerConfigurationException e1)
    {
      e1.printStackTrace();
    }
    catch (TransformerException e2)
    {
      e2.printStackTrace();
    }
    catch (ClassNotFoundException e3)
    {
      e3.printStackTrace();
    }
  }
  
  private static void writeListOfServers(final Element nodeToWrite, 
          String fileDir, String filename) throws FailedToWriteFileException
  {
	  
    try
    {
      TransformerFactory tf = TransformerFactory.newInstance();

      Class thisClass = Class.forName("vocal.data.DOMToFile");
      java.io.InputStream resourceInput
        = thisClass.getResourceAsStream("resources/ListOfServers.xsl");
      if(resourceInput == null)
      {
        System.out.println("resourceInput is null");
      }

      StreamSource xslSource = new StreamSource(resourceInput);
      
      Transformer transformer = tf.newTransformer(xslSource);
      //NodeList aaa = 
      DOMSource source = new DOMSource(nodeToWrite);
      StringWriter writer = new StringWriter();      
      StreamResult result = new StreamResult(writer);      
      System.out.println("string :" + nodeToWrite);
      //System.out.println("string :" + writer.getBuffer().toString());
      transformer.transform(source, result);
      
      System.out.println("string :" + writer.getBuffer().toString());  
      StringBuffer outputBuf = writer.getBuffer();      
      // delete the <? xml version line
      outputBuf.delete(0, outputBuf.indexOf("?>") + 3);
      
      writeAsIs(writer.getBuffer().toString(), fileDir, filename);
    }
    catch (TransformerConfigurationException e1)
    {
      e1.printStackTrace();
    }
    catch (TransformerException e2)
    {
      e2.printStackTrace();
    }
    catch (ClassNotFoundException e3)
    {
      e3.printStackTrace();
    }
  }
}