configtree.java

这是一个用java和xml编写的流媒体服务器管理软件

      Node parent = getNode(where);

      parent.appendChild(what);

      Node child = parent.getLastChild();
      DefaultMutableTreeNode treeNode = 
        (DefaultMutableTreeNode) (insertElementNode(child, where));

      return treeNode;
    }

    /**
     * The public version of insertElementNode
     */
    public void addElementToParent(Node what, MutableTreeNode where)
    {
      insertElementNode(what, where);
      nodeStructureChanged(where);
    }

    /**
     * Inserts an element node.
     * 插入一个节点
     */
    private MutableTreeNode insertElementNode(Node what, 
            MutableTreeNode where)
    {
      NodeFilter elementFilter = new NodeFilter()
      {

        /**
         * 
         */
        public short acceptNode(Node node)
        {
          String nodeName = node.getNodeName();
          System.out.println(".......................................................................");
          //System.out.println(nodeName.toString());
          //当节点为以下的值时，把它们过滤掉不显示
          if ((nodeName.equals("group")) || (nodeName.equals("type")) 
              || (nodeName.equals("expiryTimer")) 
              || (nodeName.equals("multicastHost")) 
              || (nodeName.equals("maxMissedHeartbeats")) 
              || (nodeName.equals("heartbeatInterval")) 
              || (nodeName.equals("proxyAuthKey")) 
              || (nodeName.equals("redirectReasonInSIP")) 
              || (nodeName.equals("startRange")) 
              || (nodeName.equals("endRange")) 
              || (nodeName.equals("servicePoints")) 
              || (nodeName.equals("localValidation")) 
              || (nodeName.equals("sslLifetime")) 
              || (nodeName.equals("http")) 
              || (nodeName.equals("ospExtension")) 
              || (nodeName.equals("customerID")) 
              || (nodeName.equals("deviceID")) 
              || (nodeName.equals("auditURL")) 
              || (nodeName.equals("uaVMServers")) 
              || (nodeName.equals("gateway")) 
              || (nodeName.equals("noResponseTimer")) 
              || (nodeName.equals("allowUnbillableCalls")) 
              || (nodeName.equals("conferenceBridge")) 
              || (nodeName.equals("syncPort")) 
              || (nodeName.equals("radiusServer")) 
              || (nodeName.equals("billing")) 
              || (nodeName.equals("maxThreads")) 
              || (nodeName.equals("keepAliveTimer")) 
              || (nodeName.equals("responseTime")) 
              || (nodeName.equals("clientPort")) 
              || (nodeName.equals("multiGroup"))   
              || (nodeName.equals("hostname"))
              || (nodeName.equals("Camera1"))
              || (nodeName.equals("Camera2"))
              || (nodeName.equals("Camera3"))
              || (nodeName.equals("Camera4"))
              || (nodeName.equals("Camera5"))
              || (nodeName.equals("Camera6"))
              || (nodeName.equals("Camera7"))
              || (nodeName.equals("Camera8"))
              || (nodeName.equals("temperature"))
              || (nodeName.equals("smokeAlarm"))
              || (nodeName.equals("water"))
              || (nodeName.equals("key")))
          {

            // Uncomment for debug:
            // System.out.println("skipping " + nodeName);
            return NodeFilter.FILTER_SKIP;
          }

          return NodeFilter.FILTER_ACCEPT;
        }

      };

      if (elementFilter.acceptNode(what) != NodeFilter.FILTER_ACCEPT)
      {
        return null;
      }

      String elementName = what.getNodeName();
      String parentName = "";
      String grandparentName = "";
      Node parentNode = what.getParentNode();
      Node grandparentNode = null;

      if (parentNode != null)
      {
        parentName = parentNode.getNodeName();
        grandparentNode = parentNode.getParentNode();

        if (grandparentNode != null)
        {
          grandparentName = grandparentNode.getNodeName();
        }
      }

      int type = UNKNOWN;

      if (elementName.equals("system"))
      {
        type = SYSTEM;
      }
      else if (elementName.equals("servers"))
      {
        type = SERVERS;
      }
      else if (elementName.equals("uaclient"))
      {
    	  type = UA_CLIENT;
      }
      else if (elementName.equals("globalConfiguration"))
      {
        type = GLOBAL;
      }
      else if (elementName.equals("featureServers"))
      {
        type = FEATURE_SERVERS;
      }
      else if (elementName.equals("marshalServers"))
      {
        type = MARSHAL_SERVERS;
      }
      else if (elementName.equals("jtapiServers"))
      {
        type = JTAPI_SERVERS;
      }
      else if (elementName.equals("redirectServers"))
      {
        type = REDIRECT_SERVERS;
      }
      else if (elementName.equals("cdrServers"))
      {
        type = CDR_SERVERS;
      }
      else if (elementName.equals("heartbeatServers"))
      {
        type = HEARTBEAT_SERVERS;
      }
      else if (elementName.equals("pdpServers"))
      {
        type = PDP_SERVERS;
      }
      else if (elementName.equals("dvrClient"))
      {
    	  type = DVR_CLIENT;
      }
      else if (elementName.equals("envClient"))
      {
    	  type = ENV_CLIENT;
      }
      else if (elementName.equals("serverType"))
      {
        if (parentName.equals("featureServers"))
        {
          type = FEATURE_TYPE;
        }
        else if (parentName.equals("marshalServers"))
        {
          type = MARSHAL_TYPE;
        }
      }
      else if (elementName.equals("serverGroup"))
      {
        if (grandparentName.equals("featureServers"))
        {
          type = FEATURE_GROUP;
        }
        else if (grandparentName.equals("marshalServers"))
        {
          type = MARSHAL_GROUP;
        }
        else if (parentName.equals("jtapiServers"))
        {
          type = JTAPI_GROUP;
        }
        else if (parentName.equals("redirectServers"))
        {
          type = REDIRECT_GROUP;
        }
        else if (parentName.equals("cdrServers"))
        {
          type = CDR_GROUP;
        }
        else if (parentName.equals("heartbeatServers"))
        {
          type = HEARTBEAT_GROUP;
        }
        else if (parentName.equals("pdpServers"))
        {
          type = PDP_GROUP;
        }          
        else if (parentName.equals("dvrClient"))
        {
      	  type = DVR_GROUP;
        }
        else if (parentName.equals("envClient"))
        {
      	  type = ENV_GROUP;
        }
      }  
      /*
      else if (elementName.equals("clientGroup"))
      {
        if (parentName.equals("dvrClient"))
        {
      	  type = DVR_GROUP;
        }
        else if (parentName.equals("envClient"))
        {
      	  type = ENV_GROUP;
        }
      } 
      */
      else if (elementName.equals("featureServer"))
      {
        type = FEATURE_SERVER;
      }
      else if (elementName.equals("marshalServer"))
      {
        type = MARSHAL_SERVER;
      }
      else if (elementName.equals("jtapiServer"))
      {
        type = JTAPI_SERVER;
      }
      else if (elementName.equals("redirectServer"))
      {
        type = REDIRECT_SERVER;
      }
      else if (elementName.equals("cdrServer"))
      {
        type = CDR_SERVER;
      }
      else if (elementName.equals("heartbeatServer"))
      {
        type = HEARTBEAT_SERVER;
      }
      else if (elementName.equals("pdpServer"))
      {
        type = PDP_SERVER;
      }
      else if (elementName.equals("ospServer"))
      {
        type = OSP_SERVER;
      }
      else if (elementName.equals("dvr"))
      {
    	  type = DVR;
      }
      else if (elementName.equals("env"))
      {
    	  type = ENV;
      }          
      else if (elementName.equals("ipplan"))
      {
        type = IP_DIAL_PLAN;
      }
      else if (elementName.equals("digitalplan"))
      {
        type = DIGITAL_DIAL_PLAN;
      }
      
      StringBuffer name = new StringBuffer();

      name.append(what.getNodeName());

      NamedNodeMap attrs = what.getAttributes();

      if (attrs != null)
      {
        Node qualifier = attrs.getNamedItem("value");

        if (qualifier != null)
        {
          name.append(" " + ((Attr) qualifier).getValue());
        }
        else
        {
          qualifier = attrs.getNamedItem("host");

          if (qualifier != null)
          {
            name.append(" " + ((Attr) qualifier).getValue());
          }

          qualifier = attrs.getNamedItem("port");

          if (qualifier != null)
          {
            name.append(":" + ((Attr) qualifier).getValue());
          }

          qualifier = attrs.getNamedItem("callingPort");

          if (qualifier != null)
          {
            name.append(":" + ((Attr) qualifier).getValue());
          }

          qualifier = attrs.getNamedItem("calledPort");

          if (qualifier != null)
          {
            name.append(":" + ((Attr) qualifier).getValue());
          }
        }
      }



      MutableTreeNode element = insertNode(name.toString(), where, type);

      // if this is a Servers type of node, expand it.
      if ((type == SYSTEM) || (type == SERVERS) || (type == UA_CLIENT))
      {
        treeNodesToExpand.addElement(element);
      }

      nodeMap.put(element, what);

      int attrCount = (attrs != null) ? attrs.getLength() : 0;

      for (int i = 0; i < attrCount; i++)
      {
        Attr attr = (Attr) (attrs.item(i));

        if ((attr.getName().equals("host")) 
            || (attr.getName().equals("port")) 
            || (attr.getName().equals("callingPort")) 
            || (attr.getName().equals("calledPort")) 
            || (attr.getName().equals("value")) 
            || (attr.getName().equals("fileDir")) 
            || (attr.getName().equals("fileName")) 
            || (attr.getName().equals("fileType")))
        {
          continue;
        }

        StringBuffer line = new StringBuffer();

        line.append(attr.getName());
        line.append(" = ");
        line.append(attr.getValue());

        MutableTreeNode attrNode = insertNode(line.toString(), element);

        nodeMap.put(attrNode, attr.getName());
      }

      // if this is a multiGroup, we do not include the children
      if (elementName.equals("multiGroup"))
      {
        return element;
      }

      // gather up attributes and children nodes
      NodeList children = what.getChildNodes();
      int len = (children != null) ? children.getLength() : 0;

      for (int i = 0; i < len; i++)
      {
        Node node = children.item(i);

        switch (node.getNodeType())
        {

          case Node.CDATA_SECTION_NODE:
          {
            insertCDataSectionNode(node, element);      // Add a Section Node

            break;
          }

          case Node.TEXT_NODE:
          {
            insertTextNode(node, element);

            break;
          }

          case Node.ELEMENT_NODE:
          {
            insertElementNode(node, element);

            break;
          }
        }
      }

      return element;

    }   // insertElementNode(Node,MutableTreeNode):MutableTreeNode

    /**
     * Inserts a text node.
     */
    private MutableTreeNode insertTextNode(Node what, MutableTreeNode where)
    {
      String value = what.getNodeValue().trim();

      if (value.length() > 0)
      {
        MutableTreeNode treeNode = insertNode(value, where);

        nodeMap.put(treeNode, what);

        return treeNode;
      }

      return null;
    }


    /**
     * Inserts a CData Section Node.
     */
    private MutableTreeNode insertCDataSectionNode(Node what, 
            MutableTreeNode where)
    {
      StringBuffer CSectionBfr = new StringBuffer();

      // --- optional --- CSectionBfr.append( "<![CDATA[" );
      CSectionBfr.append(what.getNodeValue());

      // --- optional --- CSectionBfr.append( "]]>" );
      if (CSectionBfr.length() > 0)
      {
        MutableTreeNode treeNode = insertNode(CSectionBfr.toString(), where);

        nodeMap.put(treeNode, what);

        return treeNode;
      }

      return null;
    }


  }     // class Model



}       // class ConfigTree

/**
 * There is one UserObject per DefaultMutableTreeNode.
 */
class UserObject implements TreeNodeTypes
{
  private int nodeType = UNKNOWN;
  private String displayString = "";

  /**
   * 
   */
  public String toString()
  {
    return displayString;
  }

  /**
   * 
   * @param string
   */
  public void setDisplayString(String string)
  {
    displayString = string;
  }

  /**
   * 
   */
  public int getNodeType()
  {
    return nodeType;
  }

  /**
   * 
   * @param type
   * @param string
   */
  UserObject(int type, String string)
  {
    nodeType = type;

    setDisplayString(string);
  }

}       // class UserObject