Example usage for org.w3c.dom Attr isId

Introduction

In this page you can find the example usage for org.w3c.dom Attr isId.

Prototype

public boolean isId();

Source Link

Document

Returns whether this attribute is known to be of type ID (i.e.

Usage

From source file:Main.java

/**
 * Setup the ID attribute into <code>destElement</code> depending on the <code>isId</code> flag of an attribute of
 * <code>sourceNode</code>./*ww  w .j a v a  2 s  . c o m*/
 *
 * @param sourceNode
 * @param destDocElement
 */
public static void propagateIDAttributeSetup(Node sourceNode, Element destElement) {
    NamedNodeMap nnm = sourceNode.getAttributes();
    for (int i = 0; i < nnm.getLength(); i++) {
        Attr attr = (Attr) nnm.item(i);
        if (attr.isId()) {
            destElement.setIdAttribute(attr.getName(), true);
            break;
        }
    }
}

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From source file:Main.java

/**
 * Gets the ID attribute of a DOM element.
 * /*from   w  w w. j a v  a2 s  .  com*/
 * @param domElement the DOM element
 * 
 * @return the ID attribute or null if there isn't one
 */
public static Attr getIdAttribute(Element domElement) {
    if (!domElement.hasAttributes()) {
        return null;
    }

    NamedNodeMap attributes = domElement.getAttributes();
    Attr attribute;
    for (int i = 0; i < attributes.getLength(); i++) {
        attribute = (Attr) attributes.item(i);
        if (attribute.isId()) {
            return attribute;
        }
    }

    return null;
}

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From source file:Main.java

/**
 * This method is a tree-search to help prevent against wrapping attacks. It checks that no other
 * Element than the given "knownElement" argument has an ID attribute that matches the "value"
 * argument, which is the ID value of "knownElement". If this is the case then "false" is returned.
 *///from ww  w  . j a  va 2  s.co m
public static boolean protectAgainstWrappingAttack(Node startNode, Element knownElement, String value) {
    Node startParent = startNode.getParentNode();
    Node processedNode = null;

    String id = value.trim();
    if (id.charAt(0) == '#') {
        id = id.substring(1);
    }

    while (startNode != null) {
        if (startNode.getNodeType() == Node.ELEMENT_NODE) {
            Element se = (Element) startNode;

            NamedNodeMap attributes = se.getAttributes();
            if (attributes != null) {
                for (int i = 0; i < attributes.getLength(); i++) {
                    Attr attr = (Attr) attributes.item(i);
                    if (attr.isId() && id.equals(attr.getValue()) && se != knownElement) {
                        //log.debug("Multiple elements with the same 'Id' attribute value!");
                        return false;
                    }
                }
            }
        }

        processedNode = startNode;
        startNode = startNode.getFirstChild();

        // no child, this node is done.
        if (startNode == null) {
            // close node processing, get sibling
            startNode = processedNode.getNextSibling();
        }

        // no more siblings, get parent, all children
        // of parent are processed.
        while (startNode == null) {
            processedNode = processedNode.getParentNode();
            if (processedNode == startParent) {
                return true;
            }
            // close parent node processing (processed node now)
            startNode = processedNode.getNextSibling();
        }
    }
    return true;
}

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From source file:Main.java

/**
 * This method is a tree-search to help prevent against wrapping attacks. It checks that no
 * two Elements have ID Attributes that match the "value" argument, if this is the case then
 * "false" is returned. Note that a return value of "true" does not necessarily mean that
 * a matching Element has been found, just that no wrapping attack has been detected.
 *//*from w w w  . ja  v a  2  s  .co m*/
public static boolean protectAgainstWrappingAttack(Node startNode, String value) {
    Node startParent = startNode.getParentNode();
    Node processedNode = null;
    Element foundElement = null;

    String id = value.trim();
    if (id.charAt(0) == '#') {
        id = id.substring(1);
    }

    while (startNode != null) {
        if (startNode.getNodeType() == Node.ELEMENT_NODE) {
            Element se = (Element) startNode;

            NamedNodeMap attributes = se.getAttributes();
            if (attributes != null) {
                for (int i = 0; i < attributes.getLength(); i++) {
                    Attr attr = (Attr) attributes.item(i);
                    if (attr.isId() && id.equals(attr.getValue())) {
                        if (foundElement == null) {
                            // Continue searching to find duplicates
                            foundElement = attr.getOwnerElement();
                        } else {
                            //log.debug("Multiple elements with the same 'Id' attribute value!");
                            return false;
                        }
                    }
                }
            }
        }

        processedNode = startNode;
        startNode = startNode.getFirstChild();

        // no child, this node is done.
        if (startNode == null) {
            // close node processing, get sibling
            startNode = processedNode.getNextSibling();
        }

        // no more siblings, get parent, all children
        // of parent are processed.
        while (startNode == null) {
            processedNode = processedNode.getParentNode();
            if (processedNode == startParent) {
                return true;
            }
            // close parent node processing (processed node now)
            startNode = processedNode.getNextSibling();
        }
    }
    return true;
}

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From source file:org.dita.dost.util.XMLUtils.java

/**
 * Add or set attribute. Convenience method for {@link #addOrSetAttribute(AttributesImpl, String, String, String, String, String)}.
 * /*from   w ww. jav a  2 s  .c o  m*/
 * @param atts attributes
 * @param att attribute node
 */
public static void addOrSetAttribute(final AttributesImpl atts, final Node att) {
    if (att.getNodeType() != Node.ATTRIBUTE_NODE) {
        throw new IllegalArgumentException();
    }
    final Attr a = (Attr) att;
    String localName = a.getLocalName();
    if (localName == null) {
        localName = a.getName();
        final int i = localName.indexOf(':');
        if (i != -1) {
            localName = localName.substring(i + 1);
        }
    }
    addOrSetAttribute(atts, a.getNamespaceURI() != null ? a.getNamespaceURI() : NULL_NS_URI, localName,
            a.getName() != null ? a.getName() : localName, a.isId() ? "ID" : "CDATA", a.getValue());
}

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