Examples of com.volantis.mcs.xml.xpath.XPath.selectSingleElement()

com.volantis.mcs.xml.xpath.XPath.selectSingleElement()
Evaluates this XPath expression using the context parameter as the XPaths context. If the selected node is not an {@link org.jdom.Element} an {@link XPathException} is thrown, otherwise the Element is returned @param context the Element to use as the context for evaluating thisXPath @return the Element the selected element, or null if no elementcould be selected @throws com.volantis.mcs.xml.xpath.XPathException if the selected node is not an Element instance. @todo later refactor this to behave as getElement and remove getElement

                append(":").
                append(DeviceRepositorySchemaConstants.POLICY_ELEMENT_NAME);


        XPath policyXPath = new XPath(xpathString.toString(), new Namespace [] {
            MCSNamespace.DEVICE_DEFINITIONS });
        Element policy = policyXPath.selectSingleElement(invalidElement);


        if (policy == null) {
            throw new XPathException("Selected element was null for xPath: " +
                    invalidElement.toString());
        }

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                append(":").
                append(DeviceRepositorySchemaConstants.CATEGORY_ELEMENT_NAME);


        XPath categoryXPath = new XPath(xpathString.toString(),
                new Namespace [] { MCSNamespace.DEVICE_DEFINITIONS });
        Element category = categoryXPath.selectSingleElement(policy);


        String categoryName =
                category.getAttributeValue(DeviceRepositorySchemaConstants.
                CATEGORY_NAME_ATTRIBUTE);

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                POLICIES_ELEMENT_NAME);
        XPath policiesXPath = new XPath(xPathBuffer.toString(),
                new Namespace[]{MCSNamespace.DEVICE});


        try {
            Element policies = policiesXPath.
                    selectSingleElement(masterDevice);
            composition.addDefaultPolicyValue(policies, policyName, type,
                    context.getODOMFactory(),
                    context.getDeviceRepositoryAccessorManager());
        } catch (XPathException e) {

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            final Element definitionsRoot = context.
                    getDeviceRepositoryAccessorManager().
                    getDeviceDefinitionsDocument().getRootElement();
            // Retrieve the new policy element.
            newPolicyElement =
                    newPolicyXPath.selectSingleElement(definitionsRoot);
        } catch (XPathException e) {
            EclipseCommonPlugin.handleError(ABPlugin.getDefault(), e);
        }


        TreeViewer treeViewer = categoriesComposite.getTreeViewer();

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                            path.getNamespacesString());
                }


                try {
                    // Get the equivalent element
                    equivalent = path.selectSingleElement(clone);
                } catch (XPathException e) {
                    throw new UndeclaredThrowableException(e);
                }
            }
        }

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                    POLICY_NAME_ATTRIBUTE).append("=\"").append(policyName).
                    append("\"]");
            XPath policyXPath = new XPath(xPathBuffer.toString(),
                    new Namespace[]{MCSNamespace.DEVICE_DEFINITIONS});
            Element policyElement =
                    policyXPath.selectSingleElement(getDeviceDefinitionsDocument().
                    getRootElement());


            if (policyElement == null) {
                throw new IllegalArgumentException("Could not find policy " +
                        policyName);

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                    DEVICE_NAME_ATTRIBUTE).append("=\"").append(retrieveRootDeviceName()).
                    append("\"]");
            XPath masterXPath = new XPath(xPathBuffer.toString(),
                    new Namespace[]{MCSNamespace.DEVICE_HIERARCHY});
            Element masterElement =
                    masterXPath.selectSingleElement(getDeviceHierarchyDocument().
                    getRootElement());


            // Iterate over all the devices in the repository and remove the
            // policy from any device that includes it.
            removePolicyFromDeviceHierarchical(masterElement, policyName);

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        Namespace[] namespaces = new Namespace[]{
            Namespace.getNamespace("ns", rootElement.getNamespaceURI())
        };
        XPath xpath = new XPath(buffer.toString(), namespaces);
        try {
            policyTypeElement = xpath.selectSingleElement(rootElement);
            // see if the type element has a "ref" attribute
            if (policyTypeElement != null) {
                String ref = policyTypeElement.getAttributeValue(
                        DeviceRepositorySchemaConstants.
                        POLICY_DEFINITION_REF_ATTRIBUTE_NAME);

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                    buffer = new StringBuffer();
                    buffer.append("/ns:definitions/ns:types/ns:type[@name=\"")
                            .append(ref)
                            .append("\"]");
                    xpath = new XPath(buffer.toString(), namespaces);
                    policyTypeElement = xpath.selectSingleElement(rootElement);
                }
            }
        } catch (XPathException e) {
            // There was a problem retrieving the type element.
            throw new UndeclaredThrowableException(e, e.getMessage());

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                                final Element hierarchyRoot = dram.
                                        getDeviceHierarchyDocument().
                                        getRootElement();


                                // Retrieve the new device element.
                                newDeviceElement = newDeviceXPath.
                                        selectSingleElement(hierarchyRoot);
                            } catch (XPathException e) {
                                EclipseCommonPlugin.
                                        handleError(ABPlugin.getDefault(), e);
                            }

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