accredittable.java

这是一个用java和xml编写的流媒体服务器管理软件

    // usr group
    NodeList userGroups = dom.getElementsByTagName("userGroup");
    Element userGroup = (Element) userGroups.item(0);

    userGroup.getFirstChild().setNodeValue((String) user.elementAt(USER_GROUP));


    // call return
    NodeList callReturns = dom.getElementsByTagName("callReturn");
    Element callReturn = (Element) callReturns.item(0);

    callReturn.setAttribute("enabled",
            (String) user.elementAt(UserTableModel.CALL_RETURN_ADMIN_ENABLED));

    setfeats = callReturn.getElementsByTagName("setfeat");
    setfeat = (Element) setfeats.item(0);

    // There is no "user set" gui element for the call return feature since
    // this is not something that the user sets for himself. (To keep the xml
    // consistent) the user setfeat is set to the same state as the admin
    // enabled field
    if (user.elementAt(UserTableModel.CALL_RETURN_ADMIN_ENABLED).equals("true"))
    {
      setfeat.getFirstChild().setNodeValue("ON");
    }
    else
    {
      setfeat.getFirstChild().setNodeValue("OFF");
    }

    groups = callReturn.getElementsByTagName("featuregroup");
    group = (Element) groups.item(0);

    group.getFirstChild().setNodeValue((String) user.elementAt(UserTableModel.CALL_RETURN_GROUP));


    // set the authentication type
    NodeList authTypes = dom.getElementsByTagName("authenticationType");
    Element authType = (Element) authTypes.item(0);

    authType.setAttribute("value",
            (String) user.elementAt(UserTableModel.AUTHENTICATION_TYPE));

    NodeList authPasswords =
      dom.getElementsByTagName("authenticationPassword");
    Element authPassword = (Element) authPasswords.item(0);
    authPassword.setAttribute("value",
            (String) user.elementAt(UserTableModel.AUTHENTICATION_PASSWORD));

    // set the static registration
    NodeList statRegs = dom.getElementsByTagName("staticRegistration");
    Element statReg = (Element) statRegs.item(0);
    statReg.setAttribute("value",
            (String) user.elementAt(UserTableModel.STATIC_REGISTRATION_ENABLED));

    Element oldTerminatingContacts =
      (Element) statReg.getElementsByTagName("terminatingContactList").item(0);
    Element terminatingContacts = dom.createElement("terminatingContactList");

    statReg.replaceChild(terminatingContacts, oldTerminatingContacts);

    statReg.appendChild(terminatingContacts);

    Element contact = dom.createElement("contact");

    contact.setAttribute("value",
            (String) user.elementAt(UserTableModel.MARSHAL));
    terminatingContacts.appendChild(contact);

    contact = dom.createElement("contact");

    String contactStr = user.elementAt(UserTableModel.TERMINATING_HOST) + ":"
            + user.elementAt(UserTableModel.TERMINATING_PORT);

    contact.setAttribute("value", contactStr);
    terminatingContacts.appendChild(contact);


    // set the password element
    NodeList passwords = dom.getElementsByTagName("password");

    if (passwords != null)
    {
      if (passwords.getLength() > 0)
      {
        Node password = passwords.item(0);

        if (password.hasChildNodes())
        {
          password.getFirstChild().setNodeValue((String) user.elementAt(UserTableModel.PASSWORD));
        }
      }
      else
      {
        if (!user.elementAt(UserTableModel.PASSWORD).equals("not loaded from xml"))
        {
          try
          {
            Element password = dom.createElement("password");
            Text passwordText = dom.createTextNode(
              (String) user.elementAt(UserTableModel.PASSWORD));
            password.appendChild(passwordText);
            dom.appendChild(password);
          }
          catch(DOMException e)
          {
            e.printStackTrace();
            return null;
          }
        }
      }
    }
    else
    {
      if (!user.elementAt(UserTableModel.PASSWORD).equals("not loaded from xml"))
      {
        Element password = dom.createElement("password");
        Text passwordText = dom.createTextNode(
          (String) user.elementAt(UserTableModel.PASSWORD));
        password.appendChild(passwordText);
        dom.appendChild(password);
      }
    }

    // create/set the alias list

    // create a new "aliases" element
    Element newAliases = dom.createElement("aliases");

    // replace the existing "aliases" element with
    // the one just created above, or if it does not exist, insert it into the
    // dom
    NodeList aliasesList = dom.getElementsByTagName("aliases");

    if (aliasesList != null)
    {
      if (aliasesList.getLength() > 0)
      {
        Element aliases = (Element) aliasesList.item(0);

        // an "aliases" element existed -> replace it
        dom.getDocumentElement().replaceChild(newAliases, aliases);
      }
      else      // the "aliases" element did not exist...
      {
        if (!user.elementAt(ALIASES).equals("not loaded from xml"))
        {

          // add it to the document
          dom.getDocumentElement().appendChild(newAliases);
        }
      }
    }
    else        // the "aliases" element was null
    {
      if (!user.elementAt(ALIASES).equals("not loaded from xml"))
      {

        // add it to the document
        dom.appendChild(newAliases);
      }
    }

    // create a new "alias" element for each alias
    String aliasString = (String) user.elementAt(ALIASES);

    while (aliasString.length() > 0)
    {
      String alias = aliasString.substring(0, aliasString.indexOf(";"));

      aliasString = aliasString.substring(aliasString.indexOf(";") + 1);

      Element element = dom.createElement("alias");

      element.setAttribute("value", alias);

      newAliases.appendChild(element);
    }


    Element clblNode = (Element) dom.getElementsByTagName("clbl").item(0);
    Element csNode = (Element) dom.getElementsByTagName("cs").item(0);
    Element fnabNode = (Element) dom.getElementsByTagName("fnab").item(0);
    Element cfaNode = (Element) dom.getElementsByTagName("cfa").item(0);

    NodeList clblPrefixNodes = clblNode.getElementsByTagName("prefix");
    if (clblPrefixNodes.getLength() > 0)
    {
      Element clblPrefixNode = (Element)clblPrefixNodes.item(0);
      if (clblPrefixNode.hasChildNodes())
      {
        clblPrefixNode.getFirstChild().setNodeValue((String)user.elementAt(UserTableModel.CALL_BLOCK_PREFIX));
      }
      else
      {
        Node value = dom.createTextNode((String)user.elementAt(UserTableModel.CALL_BLOCK_PREFIX));
        clblPrefixNode.appendChild(value);
        clblNode.appendChild(clblPrefixNode);
      }
    }
    else
    {
      Element clblPrefixNode = dom.createElement("prefix");
      Node value = dom.createTextNode((String)user.elementAt(UserTableModel.CALL_BLOCK_PREFIX));
      clblPrefixNode.appendChild(value);
      clblNode.appendChild(clblPrefixNode);

    }


    try
    {
      Element block900Node = XMLUtils.getChildByName(clblNode,
              "nineHundredBlocked");

      block900Node.setAttribute("adminSet",
              (String) user.elementAt(UserTableModel.BLOCK_900_ADMIN_ENABLED));
      block900Node.setAttribute("userSet",
              (String) user.elementAt(UserTableModel.BLOCK_900_USER_SET));

      Element blockLongDist = XMLUtils.getChildByName(clblNode,
              "longDistanceBlocked");

      blockLongDist.setAttribute("adminSet",
              (String) user.elementAt(UserTableModel.BLOCK_LONG_DISTANCE_ADMIN_ENABLED));
      blockLongDist.setAttribute("userSet",
              (String) user.elementAt(UserTableModel.BLOCK_LONG_DISTANCE_USER_SET));

      // set the userset field of the clbl feature based on the values of userSet
      // for block900 and blockLongDist
      // if either nineHundredBlocked or LongDistanceBlocked are set true by the
      // user, or the admin the setfeat should be ON. Otherwise, it should be OFF
      if (user.elementAt(BLOCK_900_USER_SET).equals("true")
          || user.elementAt(BLOCK_LONG_DISTANCE_USER_SET).equals("true")
          || user.elementAt(BLOCK_900_ADMIN_ENABLED).equals("true")
          || user.elementAt(BLOCK_LONG_DISTANCE_ADMIN_ENABLED).equals("true"))
      {
        clblNode.getElementsByTagName("setfeat").item(0).getFirstChild().setNodeValue("ON");
      }
      else
      {
        clblNode.getElementsByTagName("setfeat").item(0).getFirstChild().setNodeValue("OFF");
      }


      // Set feature groups for all features
      XMLUtils.getChildByName(clblNode,
              "featuregroup").getChildNodes().item(0).setNodeValue((String) user.elementAt(UserTableModel.CALL_BLOCK_GROUP));
      XMLUtils.getChildByName(csNode,
              "featuregroup").getChildNodes().item(0).setNodeValue((String) user.elementAt(UserTableModel.CALL_SCREEN_GROUP));
      XMLUtils.getChildByName(cfaNode,
              "featuregroup").getChildNodes().item(0).setNodeValue((String) user.elementAt(UserTableModel.FORWARD_ALL_GROUP));
      XMLUtils.getChildByName(fnabNode,
              "featuregroup").getChildNodes().item(0).setNodeValue((String) user.elementAt(UserTableModel.FORWARD_BUSY_GROUP));
      XMLUtils.getChildByName(cfaNode,
              "setfeat").getChildNodes().item(0).setNodeValue((String) user.elementAt(UserTableModel.FORWARD_ALL_USER_SET));

      // set forward to field for call forward busy
      Element cfbNode = XMLUtils.getChildByName(fnabNode, "cfb");

      XMLUtils.getChildByName(cfbNode,
              "forwardto").getChildNodes().item(0).setNodeValue((String) user.elementAt(UserTableModel.FORWARD_BUSY_DESTINATION));
      cfbNode.setAttribute("set",
              (String) user.elementAt(UserTableModel.FORWARD_BUSY_USER_SET));

      // set forward to field for forward no answer
      Element fnaNode = XMLUtils.getChildByName(fnabNode, "fna");

      XMLUtils.getChildByName(fnaNode,
              "forwardto").getChildNodes().item(0).setNodeValue((String) user.elementAt(UserTableModel.FORWARD_UNANSWERED_DESTINATION));
      fnaNode.setAttribute("set",
              (String) user.elementAt(UserTableModel.FORWARD_UNANSWERED_USER_SET));

      // set forward to field for call forward all
      XMLUtils.getChildByName(cfaNode,
              "forwardto").getChildNodes().item(0).setNodeValue((String) user.elementAt(UserTableModel.FORWARD_ALL_DESTINATION));

      // chose the setfeat value for the forward no answer blocking feature based
      // on the values of the forward no answer and forward blocking nodes
      // if either cfb or fna is enabled, the setfeat is ON. Otherwise, it is OFF
      if (user.elementAt(UserTableModel.FORWARD_BUSY_USER_SET).equals("true")
          || user.elementAt(UserTableModel.FORWARD_UNANSWERED_USER_SET).equals("true"))
      {
        fnabNode.getElementsByTagName("setfeat").item(0).getFirstChild().setNodeValue("ON");
      }
      else
      {
        fnabNode.getElementsByTagName("setfeat").item(0).getFirstChild().setNodeValue("OFF");
      }
    }
    catch (NoSuchNodeException e)
    {
      System.out.println("Could not convert user data to a Document because:");
      e.printStackTrace();
    }

    // set whether each feature is enabled
    cfaNode.setAttribute("enabled",
            (String) user.elementAt(UserTableModel.FORWARD_ALL_ADMIN_ENABLED));
    fnabNode.setAttribute("enabled",
            (String) user.elementAt(UserTableModel.FORWARD_BUSY_ADMIN_ENABLED));
    csNode.setAttribute("enabled",
            (String) user.elementAt(UserTableModel.CALL_SCREEN_ADMIN_ENABLED));
    clblNode.setAttribute("enabled",
            (String) user.elementAt(UserTableModel.CALL_BLOCK_ADMIN_ENABLED));

    // save the data about who to screen calls from
    // deleting the "screenfrom" child nodes does not seem to work, so instead
    // create a whole new node so it has not "screenfrom" children and then use
    // it to replace the original csNode.
    Element newCsNode = dom.createElement("cs");

    newCsNode.setAttribute("enabled", csNode.getAttribute("enabled"));
    newCsNode.appendChild(csNode.getElementsByTagName("setfeat").item(0));
    newCsNode.appendChild(csNode.getElementsByTagName("featuregroup").item(0));
    dom.getDocumentElement().replaceChild(newCsNode, csNode);

    csNode = newCsNode;

    // get the list of numbers to screen
    String screenFrom =
      (String) user.elementAt(UserTableModel.CALL_SCREEN_NUMBERS);


    if (user.elementAt(CALL_SCREEN_ADMIN_ENABLED).equals("true"))
    {

      // if the administrator has enabled this feature, then
      // if the list contains some numbers, that means that the user has enabled
      // that feature
      if (screenFrom.length() > 0)
      {
        csNode.getElementsByTagName("setfeat").item(0).getFirstChild().setNodeValue("ON");
      }
      else
      {
        csNode.getElementsByTagName("setfeat").item(0).getFirstChild().setNodeValue("OFF");
      }
    }
    else
    {

      // if the administrator set the feature to disabled, set the feature off for
      // the user even if there are some numbers to screen on the list
      csNode.getElementsByTagName("setfeat").item(0).getFirstChild().setNodeValue("OFF");
    }

    // for each entry in the call screen list, create a new element named "screenfrom",
    // create and attribute named "name" and another attribute named "number" then
    // add the new node as a child of the csNode
    while (screenFrom.length() > 0)
    {
      String name = screenFrom.substring(0, screenFrom.indexOf(","));
      String number = screenFrom.substring(screenFrom.indexOf(",") + 1,
              screenFrom.indexOf(";"));

      screenFrom = screenFrom.substring(screenFrom.indexOf(";") + 1);

      Element element = dom.createElement("screenfrom");

      element.setAttribute("name", name);
      element.setAttribute("number", number);

      csNode.appendChild(element);
    }

    return dom;
  }


  private static Vector setFeatureGroup(Vector data, int dataId,
          Element parent)
  {
    NodeList nodeList = parent.getElementsByTagName("featuregroup");

    if (nodeList.getLength() > 0)
    {
      Node node = nodeList.item(0);

      if (node.hasChildNodes())
      {
        data.set(dataId, node.getFirstChild().getNodeValue());
      }
    }

    return data;
  }

  private static Vector setSetfeat(Vector data, int dataId, Element parent)