usertablemodel.java

这是一个用java和xml编写的流媒体服务器管理软件

		dom.getElementsByTagName("marshalgroup").item(0).getFirstChild()
				.setNodeValue((String) user.elementAt(UserTableModel.MARSHAL));
		dom.getElementsByTagName("failurecase").item(0).getFirstChild()
				.setNodeValue(
						(String) user.elementAt(UserTableModel.FAILURE_CASE));

		// caller id blocking
		NodeList idBlockings = dom.getElementsByTagName("callerIdBlocking");
		Element idBlocking = (Element) idBlockings.item(0);

		idBlocking.setAttribute("enabled", (String) user
				.elementAt(CALLER_ID_BLOCKING_ADMIN_ENABLED));

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

		setfeat.getFirstChild().setNodeValue(
				(String) user.elementAt(CALLER_ID_BLOCKING_USER_SET));

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

		group.getFirstChild().setNodeValue(
				(String) user.elementAt(CALLER_ID_BLOCKING_GROUP));

		// 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());
			}