Example usage for org.w3c.dom Node getAttributes

Introduction

In this page you can find the example usage for org.w3c.dom Node getAttributes.

Prototype

public NamedNodeMap getAttributes();

Source Link

Document

A NamedNodeMap containing the attributes of this node (if it is an Element) or null otherwise.

Usage

From source file:Main.java

public static void setNodeAttribute(Document doc, Node n, String attrName, String value) {
    Node namedAttr = n.getAttributes().getNamedItem(attrName);
    if (namedAttr == null) {
        namedAttr = doc.createAttribute(attrName);
        n.getAttributes().setNamedItem(namedAttr);
    }//from ww w .java 2 s  . c o m
    namedAttr.setNodeValue(value);
}

From source file:Main.java

/**
 * Retrieves the value for a xml Node attribute or fails if not found.
 * /* w  ww .  j  a v  a2 s  .c  om*/
 * @param <T> the exception type to throw
 * @param node The Node to fetch the value from.
 * @param name The attribute name.
 * @param e an Exception instance
 * @return the attribute value
 * @throws T
 */
public static <T extends Exception> String getNodeAttributeOrFail(Node node, String name, T e) throws T {
    NamedNodeMap attributes = node.getAttributes();
    Node valueNode = attributes.getNamedItem(name);
    if (valueNode == null)
        throw e;
    return valueNode.getNodeValue();
}

From source file:Main.java

public static Node findNodeByAttribute(Document document, String tagName, String attributeName,
        String attributeValue) {/*from  ww w . ja va 2 s  . co m*/
    Node foundNode = null;
    NodeList nodes = document.getElementsByTagName(tagName);
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        for (int j = 0; j < node.getAttributes().getLength(); j++) {
            Node attribute = node.getAttributes().item(j);
            if (attribute.getNodeName().equals(attributeName)
                    && attribute.getNodeValue().equals(attributeValue)) {
                foundNode = node;
                break;
            }
        }
        if (foundNode != null)
            break;
    }
    return foundNode;
}

From source file:Main.java

public static String getDefaultNamespaceUri(URL xmlResource, String rootElementName)
        throws IOException, ParserConfigurationException, SAXException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(false);//from   w  w w  .java  2 s .com
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(xmlResource.openStream());
    NodeList nodes = document.getElementsByTagName(rootElementName);
    if (nodes == null || nodes.getLength() == 0) {
        throw new IllegalArgumentException("Root element \"" + rootElementName + "\" not found in xml \""
                + xmlResource.toExternalForm() + "\".");
    }
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        Node xmlns = node.getAttributes().getNamedItem("xmlns");
        if (xmlns != null) {
            String value = xmlns.getNodeValue();
            return value.substring(value.indexOf("=") + 1);
        }
    }
    return null;
}

From source file:Main.java

@CheckForNull
public static Node nodeAttribute(Node node, String attribute) {
    NamedNodeMap attributes = node.getAttributes();
    if (attributes == null) {
        return null;
    }//from w  ww .jav  a  2s  . c  o  m
    return attributes.getNamedItem(attribute);
}

From source file:Main.java

public static String getAttribute(Node node, String name) {
    NamedNodeMap m = node.getAttributes();
    if (m == null)
        return null;
    Node att = m.getNamedItem(name);
    if (att == null)
        return null;
    return att.getNodeValue();
}

From source file:Main.java

public static Double getAttributeValueAsDouble(Node node, String attributeName, Double defaultValue) {
    final Node attributeNode = node.getAttributes().getNamedItem(attributeName);
    return attributeNode != null ? Double.parseDouble(attributeNode.getTextContent()) : defaultValue;
}

From source file:Main.java

public static String getNodeAttributeValue(Node node, String attrName) {
    NamedNodeMap attrs = node.getAttributes();
    if (attrs == null)
        return (null);
    Node value = attrs.getNamedItem(attrName);
    if (value == null)
        return (null);
    return (value.getNodeValue());
}

From source file:Main.java

/**
 * Returns whether the given XML DOM node contains all of the given attributes.
 * @param node the XML node to examine//from   ww w . j ava2  s.co m
 * @param names a variable-length list of attribute names to check
 * @return true if all attributes exist, false if not
 */
public static boolean hasAttributes(Node node, String... names) {
    NamedNodeMap attrs = node.getAttributes();
    for (String name : names) {
        if (attrs.getNamedItem(name) == null) {
            return false;
        }
    }

    return true;
}

From source file:Main.java

public static String getAttribute(Node node, String attributeName) {
    String attributeValue = null;

    if (node.getAttributes().getNamedItem(attributeName) != null) {
        attributeValue = node.getAttributes().getNamedItem(attributeName).getNodeValue();
    }/*from  w ww  . ja v  a2s .c  om*/

    return attributeValue;
}