Examples with CharacterData org.w3c.dom.CharacterData used on opensource projects

Example 6 with CharacterData

use of org.w3c.dom.CharacterData in project knime-core by knime.

the class XMLDOMCellReader method removeEmptyTextRecursive.

/**
 * Removes all descendent text nodes that contain only whitespace. These
 * come from the newlines and indentation between child elements. Take
 * xml:space declaration into account.
 */
private void removeEmptyTextRecursive(final Node node, final List<Boolean> preserveSpaceStack) {
    boolean hasXmlSpaceAttr = false;
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        NamedNodeMap attrs = node.getAttributes();
        for (int i = 0; i < attrs.getLength(); i++) {
            Node attr = attrs.item(i);
            if (attr.getNodeName().equals("xml:space") && attr.getNamespaceURI().equals(XMLConstants.XML_NS_URI)) {
                if (attr.getNodeValue().equals("preserve")) {
                    hasXmlSpaceAttr = true;
                    preserveSpaceStack.add(0, true);
                } else if (attr.getNodeValue().equals("default")) {
                    hasXmlSpaceAttr = true;
                    preserveSpaceStack.add(0, false);
                } else {
                // Wrong attribute value of xml:space, ignored.
                }
            }
        }
    }
    boolean preserveSpace = !preserveSpaceStack.isEmpty() && preserveSpaceStack.get(0);
    List<Node> toRemove = new ArrayList<Node>();
    NodeList list = node.getChildNodes();
    for (int i = 0; i < list.getLength(); i++) {
        Node child = list.item(i);
        switch(child.getNodeType()) {
            case Node.ELEMENT_NODE:
                removeEmptyTextRecursive(child, preserveSpaceStack);
                break;
            case Node.CDATA_SECTION_NODE:
            case Node.TEXT_NODE:
                if (!preserveSpace) {
                    String str = child.getNodeValue();
                    if (null == str || str.trim().isEmpty()) {
                        toRemove.add(child);
                    } else {
                        ((CharacterData) child).setData(str);
                    }
                }
                break;
            default:
        }
    }
    for (Node child : toRemove) {
        node.removeChild(child);
    }
    if (hasXmlSpaceAttr) {
        preserveSpaceStack.remove(0);
    }
}

Example 7 with CharacterData

use of org.w3c.dom.CharacterData in project yamcs-studio by yamcs.

the class SimpleImageTranscoder method changeColor.

private void changeColor(Document doc, Color oldColor, Color newColor) {
    if (oldColor.equals(newColor))
        return;
    Matcher matcher = null;
    String svgOldColor = toHexString(oldColor.getRed(), oldColor.getGreen(), oldColor.getBlue());
    String svgNewColor = toHexString(newColor.getRed(), newColor.getGreen(), newColor.getBlue());
    Pattern fillPattern = Pattern.compile("(?i)" + CSSConstants.CSS_FILL_PROPERTY + ":" + svgOldColor);
    Pattern strokePattern = Pattern.compile("(?i)" + CSSConstants.CSS_STROKE_PROPERTY + ":" + svgOldColor);
    String fillReplace = CSSConstants.CSS_FILL_PROPERTY + ":" + svgNewColor;
    String strokeReplace = CSSConstants.CSS_STROKE_PROPERTY + ":" + svgNewColor;
    // Search for global style element <style type="text/css"></style>
    NodeList styleList = doc.getElementsByTagName("style");
    for (int i = 0; i < styleList.getLength(); i++) {
        Element style = (Element) styleList.item(i);
        NodeList childList = style.getChildNodes();
        if (childList != null) {
            for (int j = 0; j < childList.getLength(); j++) {
                Node child = childList.item(j);
                if (child instanceof GenericText || child instanceof GenericCDATASection) {
                    CharacterData cdata = (CharacterData) child;
                    String data = cdata.getData();
                    matcher = fillPattern.matcher(data);
                    data = matcher.replaceAll(fillReplace);
                    matcher = strokePattern.matcher(data);
                    data = matcher.replaceAll(strokeReplace);
                    data = replaceRGB(oldColor, newColor, data);
                    cdata.setData(data);
                }
            }
        }
    }
    recursiveCC(doc.getDocumentElement(), oldColor, newColor, fillPattern, strokePattern, fillReplace, strokeReplace);
}

Example 8 with CharacterData

use of org.w3c.dom.CharacterData in project spring-framework by spring-projects.

the class DomUtils method getTextValue.

/**
	 * Extracts the text value from the given DOM element, ignoring XML comments.
	 * <p>Appends all CharacterData nodes and EntityReference nodes into a single
	 * String value, excluding Comment nodes. Only exposes actual user-specified
	 * text, no default values of any kind.
	 * @see CharacterData
	 * @see EntityReference
	 * @see Comment
	 */
public static String getTextValue(Element valueEle) {
    Assert.notNull(valueEle, "Element must not be null");
    StringBuilder sb = new StringBuilder();
    NodeList nl = valueEle.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node item = nl.item(i);
        if ((item instanceof CharacterData && !(item instanceof Comment)) || item instanceof EntityReference) {
            sb.append(item.getNodeValue());
        }
    }
    return sb.toString();
}

Example 9 with CharacterData

use of org.w3c.dom.CharacterData in project karaf by apache.

the class NamespaceHandler method getTextValue.

private static String getTextValue(Element element) {
    StringBuffer value = new StringBuffer();
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node item = nl.item(i);
        if ((item instanceof CharacterData && !(item instanceof Comment)) || item instanceof EntityReference) {
            value.append(item.getNodeValue());
        }
    }
    return value.toString();
}

Example 10 with CharacterData

use of org.w3c.dom.CharacterData in project aries by apache.

the class ExtNamespaceHandler method getTextValue.

private static String getTextValue(Element element) {
    StringBuffer value = new StringBuffer();
    NodeList nl = element.getChildNodes();
    for (int i = 0; i < nl.getLength(); i++) {
        Node item = nl.item(i);
        if ((item instanceof CharacterData && !(item instanceof Comment)) || item instanceof EntityReference) {
            value.append(item.getNodeValue());
        }
    }
    return value.toString();
}