Example usage for org.w3c.dom Node hasChildNodes

Introduction

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

Prototype

public boolean hasChildNodes();

Source Link

Document

Returns whether this node has any children.

Usage

From source file:net.sourceforge.pmd.lang.xml.ast.DOMLineNumbers.java

private int determineLocation(Node n, int index) {
    int nextIndex = index;
    if (n.getNodeType() == Node.DOCUMENT_TYPE_NODE) {
        nextIndex = xmlString.indexOf("<!DOCTYPE", nextIndex);
    } else if (n.getNodeType() == Node.COMMENT_NODE) {
        nextIndex = xmlString.indexOf("<!--", nextIndex);
    } else if (n.getNodeType() == Node.ELEMENT_NODE) {
        nextIndex = xmlString.indexOf("<" + n.getNodeName(), nextIndex);
    } else if (n.getNodeType() == Node.CDATA_SECTION_NODE) {
        nextIndex = xmlString.indexOf("<![CDATA[", nextIndex);
    } else if (n.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
        ProcessingInstruction pi = (ProcessingInstruction) n;
        nextIndex = xmlString.indexOf("<?" + pi.getTarget(), nextIndex);
    } else if (n.getNodeType() == Node.TEXT_NODE) {
        String te = unexpandEntities(n, n.getNodeValue());
        int newIndex = xmlString.indexOf(te, nextIndex);
        if (newIndex > 0) {
            nextIndex = newIndex;//from w w  w .  jav  a2s.c o  m
        }
    } else if (n.getNodeType() == Node.ENTITY_REFERENCE_NODE) {
        nextIndex = xmlString.indexOf("&" + n.getNodeName() + ";", nextIndex);
    }
    setBeginLocation(n, nextIndex);
    if (n.hasChildNodes()) {
        NodeList childs = n.getChildNodes();
        for (int i = 0; i < childs.getLength(); i++) {
            nextIndex = determineLocation(childs.item(i), nextIndex);
        }
    }
    if (n.getNodeType() == Node.ELEMENT_NODE) {
        nextIndex += 2 + n.getNodeName().length() + 1; // </nodename>
    } else if (n.getNodeType() == Node.DOCUMENT_TYPE_NODE) {
        Node nextSibling = n.getNextSibling();
        if (nextSibling.getNodeType() == Node.ELEMENT_NODE) {
            nextIndex = xmlString.indexOf("<" + nextSibling.getNodeName(), nextIndex) - 1;
        } else if (nextSibling.getNodeType() == Node.COMMENT_NODE) {
            nextIndex = xmlString.indexOf("<!--", nextIndex);
        } else {
            nextIndex = xmlString.indexOf(">", nextIndex);
        }
    } else if (n.getNodeType() == Node.COMMENT_NODE) {
        nextIndex += 4 + 3; // <!-- and -->
        nextIndex += n.getNodeValue().length();
    } else if (n.getNodeType() == Node.TEXT_NODE) {
        String te = unexpandEntities(n, n.getNodeValue());
        nextIndex += te.length();
    } else if (n.getNodeType() == Node.CDATA_SECTION_NODE) {
        nextIndex += "<![CDATA[".length() + n.getNodeValue().length() + "]]>".length();
    } else if (n.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) {
        ProcessingInstruction pi = (ProcessingInstruction) n;
        nextIndex += "<?".length() + pi.getTarget().length() + "?>".length() + pi.getData().length();
    }
    setEndLocation(n, nextIndex - 1);
    return nextIndex;
}

---

From source file:net.ymate.framework.commons.XPathHelper.java

public Map<String, Object> toMap(Node parent) {
    Map<String, Object> _returnMap = new HashMap<String, Object>();
    NodeList _nodes = parent.getChildNodes();
    for (int _idx = 0; _idx < _nodes.getLength(); _idx++) {
        Node _node = _nodes.item(_idx);
        if (_node.getNodeType() == Node.ELEMENT_NODE) {
            // ??
            if (_node.hasChildNodes() && _node.getChildNodes().getLength() == 1) {
                _returnMap.put(_node.getNodeName(), _node.getTextContent());
            }/* www.ja  va 2 s.  co  m*/
        }
    }
    return _returnMap;
}

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From source file:org.apache.axis2.jaxws.wsdl.impl.SchemaReaderImpl.java

private String readSchemaBindingPackageName(Schema schema) {

    /* JAXB Specification section 7.6 have following important points
       * 1) <schemaBindings> binding declaration have schema scope
       * 2) For inline annotation  a <schemaBindings> is valid only in the annotation element of the <schema> element.
       * 3) There must only be a single instance of <schemaBindings> declaration in the annotation element of the <schema> element.
       *///from ww w  .ja va 2 s  .  c o m

    //Get root node for schema.
    Node root = schema.getElement();
    if (root.hasChildNodes()) {

        //get all child nodes for schema
        NodeList list = root.getChildNodes();

        //search for JAXB schemaBinding customization in schema element definitions.
        for (int i = 0; i < list.getLength(); i++) {
            Node childNode = list.item(i);
            if (isElementName(JAXB_SCHEMA_BINDING, childNode)) {

                //SchemaBinding has been defined, so lets look for package element.
                NodeList schemaBindingNodeList = childNode.getChildNodes();
                for (int j = 0; j < schemaBindingNodeList.getLength(); j++) {
                    Node schemaBindingNode = schemaBindingNodeList.item(j);
                    if (isElementName(JAXB_SCHEMA_BINDING_PACKAGE, schemaBindingNode)) {

                        //Package Element found, so lets read the package name attribute and return that.
                        NamedNodeMap nodeMap = schemaBindingNode.getAttributes();
                        Node attributeNode = nodeMap.getNamedItem(JAXB_SCHEMA_Binding_PACKAGENAME);
                        return attributeNode.getNodeValue();
                    }
                }
            }
        }
    }
    return null;
}

---

From source file:org.apache.cocoon.xml.dom.DOMUtil.java

/**
 * Set the value of the DOM node./*w ww .  ja  v a 2s  .  c  o m*/
 * All current children of the node are removed and a new text node
 * with the value is appended.
 */
public static void setValueOfNode(Node node, String value) {
    if (node.getNodeType() == Node.ATTRIBUTE_NODE) {
        node.setNodeValue(value);
    } else {
        while (node.hasChildNodes() == true) {
            node.removeChild(node.getFirstChild());
        }
        node.appendChild(node.getOwnerDocument().createTextNode(value));
    }
}

---

From source file:org.apache.cocoon.xml.dom.DOMUtil.java

/**
 * Get a document fragment from a <code>Reader</code>.
 * The reader must provide valid XML, but it is allowed that the XML
 * has more than one root node. This xml is parsed by the
 * specified parser instance and a DOM DocumentFragment is created.
 *//*from   w  w  w  . j av  a2 s  . co m*/
public static DocumentFragment getDocumentFragment(SAXParser parser, Reader stream) throws ProcessingException {
    DocumentFragment frag = null;

    Writer writer;
    Reader reader;
    boolean removeRoot = true;

    try {
        // create a writer,
        // write the root element, then the input from the
        // reader
        writer = new StringWriter();

        writer.write(XML_ROOT_DEFINITION);
        char[] cbuf = new char[16384];
        int len;
        do {
            len = stream.read(cbuf, 0, 16384);
            if (len != -1) {
                writer.write(cbuf, 0, len);
            }
        } while (len != -1);
        writer.write("</root>");

        // now test if xml input start with <?xml
        String xml = writer.toString();
        String searchString = XML_ROOT_DEFINITION + "<?xml ";
        if (xml.startsWith(searchString) == true) {
            // now remove the surrounding root element
            xml = xml.substring(XML_ROOT_DEFINITION.length(), xml.length() - 7);
            removeRoot = false;
        }

        reader = new StringReader(xml);

        InputSource input = new InputSource(reader);

        DOMBuilder builder = new DOMBuilder();
        builder.startDocument();
        builder.startElement("", "root", "root", XMLUtils.EMPTY_ATTRIBUTES);

        IncludeXMLConsumer filter = new IncludeXMLConsumer(builder, builder);
        parser.parse(input, filter);

        builder.endElement("", "root", "root");
        builder.endDocument();

        // Create Document Fragment, remove <root>
        final Document doc = builder.getDocument();
        frag = doc.createDocumentFragment();
        final Node root = doc.getDocumentElement().getFirstChild();
        root.normalize();
        if (removeRoot == false) {
            root.getParentNode().removeChild(root);
            frag.appendChild(root);
        } else {
            Node child;
            while (root.hasChildNodes() == true) {
                child = root.getFirstChild();
                root.removeChild(child);
                frag.appendChild(child);
            }
        }
    } catch (SAXException sax) {
        throw new ProcessingException("SAXException: " + sax, sax);
    } catch (IOException ioe) {
        throw new ProcessingException("IOException: " + ioe, ioe);
    }
    return frag;
}

---

From source file:org.apache.ode.bpel.rtrep.v1.ASSIGN.java

/**
 * isInsert flag desginates this as an 'element' type insertion, which
 * requires insert the actual element value, rather than it's children
 *
 * @return//from   w  w  w . jav a2  s. co m
 * @throws FaultException
 */
private Node replaceContent(Node lvalue, Node lvaluePtr, String rvalue) throws FaultException {
    Document d = lvaluePtr.getOwnerDocument();

    if (__log.isDebugEnabled()) {
        __log.debug("lvaluePtr type " + lvaluePtr.getNodeType());
        __log.debug("lvaluePtr " + DOMUtils.domToString(lvaluePtr));
        __log.debug("lvalue " + lvalue);
        __log.debug("rvalue " + rvalue);
    }

    switch (lvaluePtr.getNodeType()) {
    case Node.ELEMENT_NODE:

        // Remove all the children.
        while (lvaluePtr.hasChildNodes())
            lvaluePtr.removeChild(lvaluePtr.getFirstChild());

        // Append a new text node.
        lvaluePtr.appendChild(d.createTextNode(rvalue));

        // If lvalue is a text, removing all lvaluePtr children had just removed it
        // so we need to rebuild it as a child of lvaluePtr
        if (lvalue instanceof Text)
            lvalue = lvaluePtr.getFirstChild();
        break;

    case Node.TEXT_NODE:

        Node newval = d.createTextNode(rvalue);
        // Replace ourselves .
        lvaluePtr.getParentNode().replaceChild(newval, lvaluePtr);

        // A little kludge, let our caller know that the root element has changed.
        // (used for assignment to a simple typed variable)
        if (lvalue.getNodeType() == Node.ELEMENT_NODE) {
            // No children, adding an empty text children to point to
            if (lvalue.getFirstChild() == null) {
                Text txt = lvalue.getOwnerDocument().createTextNode("");
                lvalue.appendChild(txt);
            }
            if (lvalue.getFirstChild().getNodeType() == Node.TEXT_NODE)
                lvalue = lvalue.getFirstChild();
        }
        if (lvalue.getNodeType() == Node.TEXT_NODE
                && ((Text) lvalue).getWholeText().equals(((Text) lvaluePtr).getWholeText()))
            lvalue = lvaluePtr = newval;
        break;

    case Node.ATTRIBUTE_NODE:

        ((Attr) lvaluePtr).setValue(rvalue);
        break;

    default:
        // This could occur if the expression language selects something
        // like
        // a PI or a CDATA.
        String msg = __msgs.msgInvalidLValue();
        if (__log.isDebugEnabled())
            __log.debug(lvaluePtr + ": " + msg);
        throw new FaultException(getOAsssign().getOwner().constants.qnSelectionFailure, msg);
    }

    return lvalue;
}

---

From source file:org.apache.ode.bpel.rtrep.v2.AssignHelper.java

/**
 * isInsert flag desginates this as an 'element' type insertion, which
 * requires insert the actual element value, rather than it's children
 * (madars.vitolins _at gmail.com - 2009.04.17 - moved from ASSIGN here)
 * @return//w  w w.j a v a2s  . c o m
 * @throws FaultException
 */
public Node replaceContent(Node lvalue, Node lvaluePtr, String rvalue) throws FaultException {
    Document d = lvaluePtr.getOwnerDocument();

    if (__log.isDebugEnabled()) {
        __log.debug("lvaluePtr type " + lvaluePtr.getNodeType());
        __log.debug("lvaluePtr " + DOMUtils.domToString(lvaluePtr));
        __log.debug("lvalue " + lvalue);
        __log.debug("rvalue " + rvalue);
    }

    switch (lvaluePtr.getNodeType()) {
    case Node.ELEMENT_NODE:

        // Remove all the children.
        while (lvaluePtr.hasChildNodes())
            lvaluePtr.removeChild(lvaluePtr.getFirstChild());

        // Append a new text node.
        lvaluePtr.appendChild(d.createTextNode(rvalue));

        // If lvalue is a text, removing all lvaluePtr children had just removed it
        // so we need to rebuild it as a child of lvaluePtr
        if (lvalue instanceof Text)
            lvalue = lvaluePtr.getFirstChild();
        break;

    case Node.TEXT_NODE:

        Node newval = d.createTextNode(rvalue);
        // Replace ourselves .
        lvaluePtr.getParentNode().replaceChild(newval, lvaluePtr);

        // A little kludge, let our caller know that the root element has changed.
        // (used for assignment to a simple typed variable)
        if (lvalue.getNodeType() == Node.ELEMENT_NODE) {
            // No children, adding an empty text children to point to
            if (lvalue.getFirstChild() == null) {
                Text txt = lvalue.getOwnerDocument().createTextNode("");
                lvalue.appendChild(txt);
            }
            if (lvalue.getFirstChild().getNodeType() == Node.TEXT_NODE)
                lvalue = lvalue.getFirstChild();
        }
        if (lvalue.getNodeType() == Node.TEXT_NODE
                && ((Text) lvalue).getWholeText().equals(((Text) lvaluePtr).getWholeText()))
            lvalue = lvaluePtr = newval;
        break;

    case Node.ATTRIBUTE_NODE:

        ((Attr) lvaluePtr).setValue(rvalue);
        break;

    default:
        // This could occur if the expression language selects something
        // like
        // a PI or a CDATA.
        String msg = __msgs.msgInvalidLValue();
        if (__log.isDebugEnabled())
            __log.debug(lvaluePtr + ": " + msg);
        throw new FaultException(getOActivity().getOwner().constants.qnSelectionFailure, msg);
    }

    return lvalue;
}

---

From source file:org.apache.ode.bpel.runtime.AssignHelper.java

/**
 * isInsert flag desginates this as an 'element' type insertion, which
 * requires insert the actual element value, rather than it's children
 *
 * @return//  w w w.  j av a  2 s  .  c  o  m
 * @throws FaultException
 */
private Node replaceContent(Node lvalue, Node lvaluePtr, String rvalue) throws FaultException {
    Document d = lvaluePtr.getOwnerDocument();

    if (__log.isDebugEnabled()) {
        __log.debug("lvaluePtr type " + lvaluePtr.getNodeType());
        __log.debug("lvaluePtr " + DOMUtils.domToString(lvaluePtr));
        __log.debug("lvalue " + lvalue);
        __log.debug("rvalue " + rvalue);
    }

    switch (lvaluePtr.getNodeType()) {
    case Node.ELEMENT_NODE:

        // Remove all the children.
        while (lvaluePtr.hasChildNodes())
            lvaluePtr.removeChild(lvaluePtr.getFirstChild());

        // Append a new text node.
        lvaluePtr.appendChild(d.createTextNode(rvalue));

        // If lvalue is a text, removing all lvaluePtr children had just removed it
        // so we need to rebuild it as a child of lvaluePtr
        if (lvalue instanceof Text)
            lvalue = lvaluePtr.getFirstChild();
        break;

    case Node.TEXT_NODE:

        Node newval = d.createTextNode(rvalue);
        // Replace ourselves .
        lvaluePtr.getParentNode().replaceChild(newval, lvaluePtr);

        // A little kludge, let our caller know that the root element has changed.
        // (used for assignment to a simple typed variable)
        if (lvalue.getNodeType() == Node.ELEMENT_NODE) {
            // No children, adding an empty text children to point to
            if (lvalue.getFirstChild() == null) {
                Text txt = lvalue.getOwnerDocument().createTextNode("");
                lvalue.appendChild(txt);
            }
            if (lvalue.getFirstChild().getNodeType() == Node.TEXT_NODE)
                lvalue = lvalue.getFirstChild();
        }
        if (lvalue.getNodeType() == Node.TEXT_NODE
                && ((Text) lvalue).getWholeText().equals(((Text) lvaluePtr).getWholeText()))
            lvalue = lvaluePtr = newval;
        break;

    case Node.ATTRIBUTE_NODE:

        ((Attr) lvaluePtr).setValue(rvalue);
        break;

    default:
        // This could occur if the expression language selects something
        // like
        // a PI or a CDATA.
        String msg = __msgs.msgInvalidLValue();
        if (__log.isDebugEnabled())
            __log.debug(lvaluePtr + ": " + msg);
        throw new FaultException(getOActivity().getOwner().constants.qnSelectionFailure, msg);
    }

    return lvalue;
}

---

From source file:org.apache.ode.utils.DOMUtils.java

/**
 * Remove the child nodes under another node.
 * @param target the <code>Node</code> to remove the children from.
 *//*w  w w  .  j av  a2 s .c  om*/
public static void removeChildren(Node target) {
    while (target.hasChildNodes()) {
        target.removeChild(target.getFirstChild());
    }
}

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