datatodom.java

这是一个用java和xml编写的流媒体服务器管理软件

  public String getGroupName()
  {
    Element element = configTree.getCurrentElement();

    return element.getAttribute("value");
  }

  public void setGroupName(String value)
  {
    Element element = configTree.getCurrentElement();

    if (element.hasChildNodes())
    {
      System.out.println("error: name change requested on group with members");

      return;
    }

    element.setAttribute("value", value);
  }

  // methods from GlobalData

  public String getExpiryTimerData() throws InvalidRequestException
  {
    return getValue("expiryTimer");
  }

  public void setExpiryTimerData(String data) throws InvalidRequestException
  {
    Element rootElement = configTree.getRootElement();

    setValue("expiryTimer", data);
  }

  public String getMulticastHostData() throws InvalidRequestException
  {
    Element rootElement = configTree.getRootElement();

    return getChildAttribute(rootElement, "multicastHost", "host");
  }

  public void setMulticastHostData(String data) throws InvalidRequestException
  {
    Element rootElement = configTree.getRootElement();

    setChildAttribute(rootElement, "multicastHost", "host", data);
  }

  public String getMulticastPortData() throws InvalidRequestException
  {
    Element rootElement = configTree.getRootElement();

    return getChildAttribute(rootElement, "multicastHost", "port");
  }

  public void setMulticastPortData(String data) throws InvalidRequestException
  {
    Element rootElement = configTree.getRootElement();

    setChildAttribute(rootElement, "multicastHost", "port", data);
  }

  public String getMissedHeartbeatsData() throws InvalidRequestException
  {
    return getValue("maxMissedHeartbeats");
  }

  public void setMissedHeartbeatsData(String data)
    throws InvalidRequestException
  {
    setValue("maxMissedHeartbeats", data);
  }

  public String getHeartbeatIntervalData() throws InvalidRequestException
  {
    return getValue("heartbeatInterval");
  }

  public void setHeartbeatIntervalData(String data)
    throws InvalidRequestException
  {
    setValue("heartbeatInterval", data);
  }

  public String getProxyAuthKeyData() throws InvalidRequestException
  {
    return getValue("proxyAuthKey");
  }

  public void setProxyAuthKeyData(String data) throws InvalidRequestException
  {
    Element proxyAuthKey = getElement("proxyAuthKey");

    if (proxyAuthKey == null)
    {
      Element currentElement = configTree.getCurrentElement();
      Document doc = currentElement.getOwnerDocument();

      proxyAuthKey = doc.createElement("proxyAuthKey");

      currentElement.appendChild(proxyAuthKey);
    }

    proxyAuthKey.setAttribute("value", data);
  }

  public boolean getRedirectReasonData() throws InvalidRequestException
  {
    String data = getValue("redirectReasonInSIP");

    if (data.equals("true"))
    {
      return true;
    }

    return false;
  }

  public void setRedirectReasonData(boolean data)
    throws InvalidRequestException
  {
    Element redirectReason = getElement("redirectReasonInSIP");

    if (redirectReason == null)
    {
      Element currentElement = configTree.getCurrentElement();
      Document doc = currentElement.getOwnerDocument();

      redirectReason = doc.createElement("redirectReasonInSIP");

      currentElement.appendChild(redirectReason);
    }

    if (data)
    {
      redirectReason.setAttribute("value", "true");
    }
    else
    {
      redirectReason.setAttribute("value", "false");
    }
  }

  public String getLowestUIDData() throws InvalidRequestException
  {
    return getValue("startRange");
  }

  public void setLowestUIDData(String data) throws InvalidRequestException
  {
    Element startRange = getElement("startRange");

    if (startRange == null)
    {
      Element currentElement = configTree.getCurrentElement();
      Document doc = currentElement.getOwnerDocument();

      startRange = doc.createElement("startRange");

      currentElement.appendChild(startRange);
    }

    startRange.setAttribute("value", data);
  }

  public String getHighestUIDData() throws InvalidRequestException
  {
    return getValue("endRange");
  }

  public void setHighestUIDData(String data) throws InvalidRequestException
  {
    Element endRange = getElement("endRange");

    if (endRange == null)
    {
      Element currentElement = configTree.getCurrentElement();
      Document doc = currentElement.getOwnerDocument();

      endRange = doc.createElement("endRange");

      currentElement.appendChild(endRange);
    }

    endRange.setAttribute("value", data);
  }

  /**
   * The Dial Plan table model now stores its data in a DOM.
   */
  public Element getDialPlanData()
  {
      Element data = configTree.getCurrentElement();

      return data;
  }

  public void setDialPlanData(Element data)
  {

    // need a reference to the DOM to create elements.
    Document theDOM = configTree.getTreeDOM();
    Element currentElement = configTree.getCurrentElement();

    if (currentElement == null)
    {
      System.out.println("current element is null");

      return;
    }

    configTree.replaceSelectedNode((Node)data);

//     System.out.println("value of data is "
//                        + data.getAttribute("value"));
//     System.out.println("value of current element is "
//                        + currentElement.getAttribute("value"));

//     Node parentNode = currentElement.getParentNode();

//     if (parentNode == null)
//     {
// 	System.out.println("parent of current element is null");

// 	return;
//     }

//     parentNode.replaceChild(data, currentElement);

//     // the JTree is rebuilt in the Save step.
  }



  // protected methods

  protected void checkValidity(String methodName)
    throws InvalidRequestException
  {

    // does nothing in DataToDOM
  }

  protected Element getElement(String tagName)
  {
    Element element = configTree.getCurrentElement();

    if (element.getNodeName().equals(tagName))
    {
      return element;
    }

    NodeList nodeList = element.getElementsByTagName(tagName);

    if (nodeList.getLength() == 0)
    {
      System.out.println("Element " + element.getTagName()
                         + " has no child named " + tagName);

      return null;
    }

    Element child = (Element) (nodeList.item(0));

    return child;
  }

  protected String getValue(String tagName)
  {
    Element element = getElement(tagName);

    if (element == null)
    {
      return "";
    }

    return element.getAttribute("value");
  }

  protected void setValue(String tagName, String value)
  {
    Element element = getElement(tagName);

    if (element == null)
    {
      return;
    }

    element.setAttribute("value", value);
  }

  protected String getChildAttribute(Element element, String childName,
          String attributeName)
  {
    NodeList nodeList = element.getElementsByTagName(childName);

    if (nodeList.getLength() < 1)
    {
      return "";
    }

    Element child = (Element) (nodeList.item(0));

    return child.getAttribute(attributeName);
  }

  protected void setChildAttribute(Element element, String childName,
          String attributeName, String attributeValue)
  {
    NodeList nodeList = element.getElementsByTagName(childName);
    Element child = (Element) (nodeList.item(0));

    child.setAttribute(attributeName, attributeValue);
  }

  /**
   * This method is only intended to be used from the DataFragment side.
   */
  public DocumentFragment getFragment() throws InvalidRequestException
  {
    throw new InvalidRequestException("getFragment called on existing Node in the DOM");
  }

public boolean getIsControlData(int i) throws InvalidRequestException {
	// TODO Auto-generated method stub
	return false;
}

public void setIsControlData(boolean data, int i) throws InvalidRequestException {
	// TODO Auto-generated method stub
	
}





}