Example usage for org.w3c.dom Element hasAttributes

Introduction

In this page you can find the example usage for org.w3c.dom Element hasAttributes.

Prototype

public boolean hasAttributes();

Source Link

Document

Returns whether this node (if it is an element) has any attributes.

Usage

From source file:Main.java

private static boolean elementIsRedundant(Element element) {
    if (element.hasAttributes())
        return false;
    if (!element.hasChildNodes())
        return true;
    NodeList children = element.getChildNodes();
    int childrenCount = children.getLength();
    for (int i = 0; i < childrenCount; ++i) {
        Node child = children.item(i);
        String value = child.getNodeValue();
        if (value != null && !value.matches("\\s*")) {
            return false; // Found non-whitespace text
        }//from  w w  w  .j av a2s  .  c o m
    }
    return true;
}

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From source file:Main.java

public static void removeAttributes(Element elem) {
    if (elem.hasAttributes()) {
        NamedNodeMap attributeMap = elem.getAttributes();
        // since node maps are live, hold attributes in a separate collection
        int n = attributeMap.getLength();
        Attr[] attributes = new Attr[n];
        for (int i = 0; i < n; i++)
            attributes[i] = (Attr) attributeMap.item(i);
        // now remove each attribute from the element
        for (int i = 0; i < n; i++)
            elem.removeAttributeNode(attributes[i]);
    }//from  ww  w .  j a v a2  s . c  o  m
}

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From source file:Main.java

/**
 * Gets the ID attribute of a DOM element.
 * /*from   w  w w  . j  a va2s. c  om*/
 * @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

@SuppressWarnings("fallthrough")
private static void getSetRec(final Node rootNode, final Set<Node> result, final Node exclude,
        final boolean com) {
    if (rootNode == exclude) {
        return;/*w  w w. jav a2  s .c o  m*/
    }
    switch (rootNode.getNodeType()) {
    case Node.ELEMENT_NODE:
        result.add(rootNode);
        Element el = (Element) rootNode;
        if (el.hasAttributes()) {
            NamedNodeMap nl = el.getAttributes();
            for (int i = 0; i < nl.getLength(); i++) {
                result.add(nl.item(i));
            }
        }
        //no return keep working
    case Node.DOCUMENT_NODE:
        for (Node r = rootNode.getFirstChild(); r != null; r = r.getNextSibling()) {
            if (r.getNodeType() == Node.TEXT_NODE) {
                result.add(r);
                while (r != null && r.getNodeType() == Node.TEXT_NODE) {
                    r = r.getNextSibling();
                }
                if (r == null) {
                    return;
                }
            }
            getSetRec(r, result, exclude, com);
        }
        return;
    case Node.COMMENT_NODE:
        if (com) {
            result.add(rootNode);
        }
        return;
    case Node.DOCUMENT_TYPE_NODE:
        return;
    default:
        result.add(rootNode);
    }
}

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From source file:Main.java

private static void getSetRec(final Node rootNode, final Set<Node> result, final Node exclude,
        final boolean com) {
    if (rootNode == exclude) {
        return;//from   w  ww  .ja v  a  2  s  .co m
    }
    switch (rootNode.getNodeType()) {
    case Node.ELEMENT_NODE:
        result.add(rootNode);
        Element el = (Element) rootNode;
        if (el.hasAttributes()) {
            NamedNodeMap nl = el.getAttributes();
            for (int i = 0; i < nl.getLength(); i++) {
                result.add(nl.item(i));
            }
        }
        //no return keep working
    case Node.DOCUMENT_NODE:
        for (Node r = rootNode.getFirstChild(); r != null; r = r.getNextSibling()) {
            if (r.getNodeType() == Node.TEXT_NODE) {
                result.add(r);
                while ((r != null) && (r.getNodeType() == Node.TEXT_NODE)) {
                    r = r.getNextSibling();
                }
                if (r == null) {
                    return;
                }
            }
            getSetRec(r, result, exclude, com);
        }
        return;
    case Node.COMMENT_NODE:
        if (com) {
            result.add(rootNode);
        }
        return;
    case Node.DOCUMENT_TYPE_NODE:
        return;
    default:
        result.add(rootNode);
    }
}

---

From source file:Main.java

@SuppressWarnings("fallthrough")
static final void getSetRec(final Node rootNode, final Set<Node> result, final Node exclude,
        final boolean com) {
    //Set result = new HashSet();
    if (rootNode == exclude) {
        return;/*from  www  . j a v a  2  s.c  o  m*/
    }
    switch (rootNode.getNodeType()) {
    case Node.ELEMENT_NODE:
        result.add(rootNode);
        Element el = (Element) rootNode;
        if (el.hasAttributes()) {
            NamedNodeMap nl = ((Element) rootNode).getAttributes();
            for (int i = 0; i < nl.getLength(); i++) {
                result.add(nl.item(i));
            }
        }
        //no return keep working - ignore fallthrough warning
    case Node.DOCUMENT_NODE:
        for (Node r = rootNode.getFirstChild(); r != null; r = r.getNextSibling()) {
            if (r.getNodeType() == Node.TEXT_NODE) {
                result.add(r);
                while ((r != null) && (r.getNodeType() == Node.TEXT_NODE)) {
                    r = r.getNextSibling();
                }
                if (r == null)
                    return;
            }
            getSetRec(r, result, exclude, com);
        }
        return;
    case Node.COMMENT_NODE:
        if (com) {
            result.add(rootNode);
        }
        return;
    case Node.DOCUMENT_TYPE_NODE:
        return;
    default:
        result.add(rootNode);
    }
    return;
}

---

From source file:Main.java

static final void getSetRec(final Node rootNode, final Set result, final Node exclude, final boolean com) {
    //Set result = new HashSet();
    if (rootNode == exclude) {
        return;// ww  w  .  j av  a2 s .com
    }
    switch (rootNode.getNodeType()) {
    case Node.ELEMENT_NODE:
        result.add(rootNode);
        Element el = (Element) rootNode;
        if (el.hasAttributes()) {
            NamedNodeMap nl = ((Element) rootNode).getAttributes();
            for (int i = 0; i < nl.getLength(); i++) {
                result.add(nl.item(i));
            }
        }
        //no return keep working
    case Node.DOCUMENT_NODE:
        for (Node r = rootNode.getFirstChild(); r != null; r = r.getNextSibling()) {
            if (r.getNodeType() == Node.TEXT_NODE) {
                result.add(r);
                while ((r != null) && (r.getNodeType() == Node.TEXT_NODE)) {
                    r = r.getNextSibling();
                }
                if (r == null)
                    return;
            }
            getSetRec(r, result, exclude, com);
        }
        return;
    case Node.COMMENT_NODE:
        if (com) {
            result.add(rootNode);
        }
        return;
    case Node.DOCUMENT_TYPE_NODE:
        return;
    default:
        result.add(rootNode);
    }
    return;
}

---

From source file:Main.java

private static void serializeElement(StringBuilder sb, Element element, int tabIndex) {
    sb.append('\n');
    for (int i = 0; i < tabIndex; i++) {
        sb.append('\t');
    }// w  w  w.ja  v a  2s  . c  o m
    sb.append("<");
    sb.append(element.getTagName());
    if (element.hasAttributes()) {
        NamedNodeMap attributes = element.getAttributes();
        for (int i = 0; i < attributes.getLength(); i++) {
            Node attribute = attributes.item(i);

            sb.append(" ");
            sb.append(attribute.getNodeName());
            sb.append("=");
            sb.append("\"");
            String value = attribute.getNodeValue();
            sb.append(value.replace("\"", "\\\""));
            sb.append("\"");
        }
    }
    sb.append(">");
    NodeList nodeList = element.getChildNodes();
    ArrayList<Element> childElements = new ArrayList<Element>();
    for (int i = 0; i < nodeList.getLength(); i++) {
        Node childNode = nodeList.item(i);
        if (childNode instanceof Element) {
            childElements.add((Element) childNode);
        }
    }
    if (childElements.size() == 0) {
        sb.append(escapeInvalidCharacters(getTextContent(element)));
    } else {
        for (Element childElement : childElements) {
            serializeElement(sb, childElement, tabIndex + 1);
        }
        sb.append('\n');
        for (int i = 0; i < tabIndex; i++) {
            sb.append('\t');
        }
    }
    sb.append("</");
    sb.append(element.getTagName());
    sb.append(">");
}

---

From source file:Main.java

protected static String nodeToString(Node node, Set<String> parentPrefixes, String namespaceURI)
        throws Exception {
    StringBuilder b = new StringBuilder();

    if (node == null) {
        return "";
    }//from  w w w.  j av  a 2 s  .  c om

    if (node instanceof Element) {
        Element element = (Element) node;
        b.append("<");
        b.append(element.getNodeName());

        Map<String, String> thisLevelPrefixes = new HashMap();
        if (element.getPrefix() != null && !parentPrefixes.contains(element.getPrefix())) {
            thisLevelPrefixes.put(element.getPrefix(), element.getNamespaceURI());
        }

        if (element.hasAttributes()) {
            NamedNodeMap map = element.getAttributes();
            for (int i = 0; i < map.getLength(); i++) {
                Node attr = map.item(i);
                if (attr.getNodeName().startsWith("xmlns"))
                    continue;
                if (attr.getPrefix() != null && !parentPrefixes.contains(attr.getPrefix())) {
                    thisLevelPrefixes.put(attr.getPrefix(), element.getNamespaceURI());
                }
                b.append(" ");
                b.append(attr.getNodeName());
                b.append("=\"");
                b.append(attr.getNodeValue());
                b.append("\"");
            }
        }

        if (namespaceURI != null && !thisLevelPrefixes.containsValue(namespaceURI)
                && !namespaceURI.equals(element.getParentNode().getNamespaceURI())) {
            b.append(" xmlns=\"").append(namespaceURI).append("\"");
        }

        for (Map.Entry<String, String> entry : thisLevelPrefixes.entrySet()) {
            b.append(" xmlns:").append(entry.getKey()).append("=\"").append(entry.getValue()).append("\"");
            parentPrefixes.add(entry.getKey());
        }

        NodeList children = element.getChildNodes();
        boolean hasOnlyAttributes = true;
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() != Node.ATTRIBUTE_NODE) {
                hasOnlyAttributes = false;
                break;
            }
        }
        if (!hasOnlyAttributes) {
            b.append(">");
            for (int i = 0; i < children.getLength(); i++) {
                b.append(nodeToString(children.item(i), parentPrefixes, children.item(i).getNamespaceURI()));
            }
            b.append("</");
            b.append(element.getNodeName());
            b.append(">");
        } else {
            b.append("/>");
        }

        for (String thisLevelPrefix : thisLevelPrefixes.keySet()) {
            parentPrefixes.remove(thisLevelPrefix);
        }

    } else if (node.getNodeValue() != null) {
        b.append(encodeText(node.getNodeValue()));
    }

    return b.toString();
}

---

From source file:Main.java

protected static String nodeToString(Node node, Set<String> parentPrefixes, String namespaceURI)
        throws Exception {
    StringBuilder b = new StringBuilder();

    if (node == null) {
        return "";
    }//from  ww  w  .  j a v a  2 s .  c o m

    if (node instanceof Element) {
        Element element = (Element) node;
        b.append("<");
        b.append(element.getNodeName());

        Map<String, String> thisLevelPrefixes = new HashMap();
        if (element.getPrefix() != null && !parentPrefixes.contains(element.getPrefix())) {
            thisLevelPrefixes.put(element.getPrefix(), element.getNamespaceURI());
        }

        if (element.hasAttributes()) {
            NamedNodeMap map = element.getAttributes();
            for (int i = 0; i < map.getLength(); i++) {
                Node attr = map.item(i);
                if (attr.getNodeName().startsWith("xmlns"))
                    continue;
                if (attr.getPrefix() != null && !parentPrefixes.contains(attr.getPrefix())) {
                    thisLevelPrefixes.put(attr.getPrefix(), element.getNamespaceURI());
                }
                b.append(" ");
                b.append(attr.getNodeName());
                b.append("=\"");
                b.append(attr.getNodeValue());
                b.append("\"");
            }
        }

        if (namespaceURI != null && !thisLevelPrefixes.containsValue(namespaceURI)
                && !namespaceURI.equals(element.getParentNode().getNamespaceURI())) {
            b.append(" xmlns=\"").append(namespaceURI).append("\"");
        }

        for (Map.Entry<String, String> entry : thisLevelPrefixes.entrySet()) {
            b.append(" xmlns:").append(entry.getKey()).append("=\"").append(entry.getValue()).append("\"");
            parentPrefixes.add(entry.getKey());
        }

        NodeList children = element.getChildNodes();
        boolean hasOnlyAttributes = true;
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child.getNodeType() != Node.ATTRIBUTE_NODE) {
                hasOnlyAttributes = false;
                break;
            }
        }
        if (!hasOnlyAttributes) {
            b.append(">");
            for (int i = 0; i < children.getLength(); i++) {
                b.append(nodeToString(children.item(i), parentPrefixes, children.item(i).getNamespaceURI()));
            }
            b.append("</");
            b.append(element.getNodeName());
            b.append(">");
        } else {
            b.append("/>");
        }

        for (String thisLevelPrefix : thisLevelPrefixes.keySet()) {
            parentPrefixes.remove(thisLevelPrefix);
        }

    } else if (node.getNodeValue() != null) {
        b.append(encodeText(node.getNodeValue(), node instanceof Attr));
    }

    return b.toString();
}

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