Examples with XPath javax.xml.xpath.XPath used on opensource projects

Example 41 with XPath

use of javax.xml.xpath.XPath in project azure-tools-for-java by Microsoft.

the class AILibraryHandler method setFilterDef.

private void setFilterDef() {
    if (webXMLDoc == null) {
        return;
    }
    try {
        String exprFilter = message("aiExprConst");
        XPath xpath = XPathFactory.newInstance().newXPath();
        Element eleFilter = (Element) xpath.evaluate(exprFilter, webXMLDoc, XPathConstants.NODE);
        if (eleFilter == null) {
            Element filter = webXMLDoc.createElement(message("filterTag"));
            Element filterName = webXMLDoc.createElement(message("filterEle"));
            filterName.setTextContent(message("aiWebfilter"));
            filter.appendChild(filterName);
            Element fClass = webXMLDoc.createElement("filter-class");
            fClass.setTextContent(message("aiWebFilterClassName"));
            filter.appendChild(fClass);
            NodeList existingFilterNodeList = webXMLDoc.getElementsByTagName(message("filterTag"));
            Node existingFilterNode = existingFilterNodeList != null & existingFilterNodeList.getLength() > 0 ? existingFilterNodeList.item(0) : null;
            webXMLDoc.getDocumentElement().insertBefore(filter, existingFilterNode);
        }
    } catch (Exception ex) {
        AzurePlugin.log(ex.getMessage(), ex);
    }
}

Example 42 with XPath

use of javax.xml.xpath.XPath in project azure-tools-for-java by Microsoft.

the class AILibraryHandler method removeAIFilterDef.

public void removeAIFilterDef() throws Exception {
    if (webXMLDoc == null) {
        return;
    }
    try {
        String exprFilter = message("aiExprConst");
        XPath xpath = XPathFactory.newInstance().newXPath();
        Element eleFilter = (Element) xpath.evaluate(exprFilter, webXMLDoc, XPathConstants.NODE);
        if (eleFilter != null) {
            eleFilter.getParentNode().removeChild(eleFilter);
        }
        String exprFltMapping = message("exprFltMapping");
        Element eleFilMapping = (Element) xpath.evaluate(exprFltMapping, webXMLDoc, XPathConstants.NODE);
        if (eleFilMapping != null) {
            eleFilMapping.getParentNode().removeChild(eleFilMapping);
        }
    } catch (Exception ex) {
        ex.printStackTrace();
        AzurePlugin.log(ex.getMessage(), ex);
        throw new Exception(String.format("%s%s", message("aiRemoveErr"), ex.getMessage()));
    }
}

Example 43 with XPath

use of javax.xml.xpath.XPath in project azure-tools-for-java by Microsoft.

the class ParserXMLUtility method createElement.

/** Generic API to update or create DOM elements */
public static Element createElement(Document doc, String expr, Element parentElement, String elementName, boolean firstChild, Map<String, String> attributes) throws Exception {
    if (doc == null) {
        throw new IllegalArgumentException(INVALID_ARG);
    } else {
        XPath xPath = XPathFactory.newInstance().newXPath();
        Element element = null;
        if (expr != null)
            element = (Element) xPath.evaluate(expr, doc, XPathConstants.NODE);
        // If element doesn't exist create one
        if (element == null) {
            element = doc.createElement(elementName);
            if (firstChild) {
                parentElement.insertBefore(element, parentElement != null ? parentElement.getFirstChild() : null);
            } else {
                parentElement.appendChild(element);
            }
        }
        if (attributes != null && !attributes.isEmpty()) {
            for (Map.Entry<String, String> attribute : attributes.entrySet()) {
                element.setAttribute(attribute.getKey(), attribute.getValue());
            }
        }
        return element;
    }
}

Example 44 with XPath

use of javax.xml.xpath.XPath in project azure-tools-for-java by Microsoft.

the class ParserXMLUtility method updateOrCreateElement.

/** Generic API to update or create DOM elements */
public static Element updateOrCreateElement(Document doc, String expr, String parentNodeExpr, String elementName, boolean firstChild, Map<String, String> attributes) throws Exception {
    if (doc == null) {
        throw new IllegalArgumentException(INVALID_ARG);
    } else {
        XPath xPath = XPathFactory.newInstance().newXPath();
        Element element = null;
        if (expr != null)
            element = (Element) xPath.evaluate(expr, doc, XPathConstants.NODE);
        // If element doesn't exist create one
        if (element == null) {
            element = doc.createElement(elementName);
            Element parentElement = (Element) xPath.evaluate(parentNodeExpr, doc, XPathConstants.NODE);
            if (firstChild) {
                parentElement.insertBefore(element, parentElement != null ? parentElement.getFirstChild() : null);
            } else {
                parentElement.appendChild(element);
            }
        }
        if (attributes != null && !attributes.isEmpty()) {
            for (Map.Entry<String, String> attribute : attributes.entrySet()) {
                element.setAttribute(attribute.getKey(), attribute.getValue());
            }
        }
        return element;
    }
}

Example 45 with XPath

use of javax.xml.xpath.XPath in project azure-tools-for-java by Microsoft.

the class XMLHelper method main.

public static void main(String[] argv) {
    if (argv.length < 4) {
        System.out.println("[Failed] Please specify the arguments $XML_FILE $XPATH $NEW_VALUE $JOIN_OR_REPLACE.");
        System.exit(1);
    }
    String FILEPATH = argv[0];
    String XPATH = argv[1];
    String NEW_VALUE = argv[2];
    String CHANGETYPE = argv[3];
    boolean DISPLAY_LOG = false;
    if (argv.length > 4 && argv[4].toLowerCase().equals("true")) {
        DISPLAY_LOG = true;
    }
    try {
        System.out.println("Starting to modify XML " + FILEPATH);
        // Read the content from xml file
        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
        Document doc = docBuilder.parse(FILEPATH);
        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPath xpath = xpathFactory.newXPath();
        XPathExpression expression = xpath.compile(XPATH);
        Node targetNode = (Node) expression.evaluate(doc, XPathConstants.NODE);
        String oldValue = targetNode.getNodeValue();
        String newValue = "";
        if (CHANGETYPE.equals("JOIN")) {
            newValue = oldValue + NEW_VALUE;
        }
        if (DISPLAY_LOG) {
            System.out.println("The old value is " + oldValue);
            System.out.println("The new value is " + newValue);
        }
        targetNode.setNodeValue(newValue);
        // Write the content into xml file
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        Transformer transformer = transformerFactory.newTransformer();
        DOMSource source = new DOMSource(doc);
        StreamResult result = new StreamResult(new File(FILEPATH));
        transformer.transform(source, result);
        System.out.println("Modify XML Finished.");
    } catch (Exception e) {
        e.printStackTrace();
        System.exit(1);
    }
    System.exit(0);
}