Examples of org.apache.axiom.om.OMNode

org.apache.axiom.om.OMNode
Defines the base interface used by most of the XML object model within Axis.

This tree model for XML captures the idea of deferring the construction of child nodes until they are needed. The isComplete function identifies whether or not a particular node has been fully parsed. A node may not be fully parsed, for example, if all of the children of an element have not yet been parsed.

In comparison to DOM, in this model, you will not find document fragments, or entities. In addition, while {@link OMDocument} and {@link OMAttribute} exist, neither is an extension ofOMNode.

    OMElement element = this.getFirstChildWithName(qname);
    if (element != null && value != null) {
      element.setText(value);
    } else if (element != null && value == null) {
      for (Iterator i = element.getChildren(); i.hasNext();) {
        OMNode node = (OMNode) i.next();
        node.discard();
      }
    } else if (element == null && value != null ) {
      element = factory.createOMElement(qname, this);
      element.setText(value);
      this.addChild(element);

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    }
  }
  
  protected void _removeAllChildren() {
    for (Iterator i = getChildren(); i.hasNext();) {
      OMNode node = (OMNode) i.next();
      node.discard();
    }
  }

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        attr.getAttributeValue(), 
        (attr.getNamespace() != null) ? 
          dest.declareNamespace(attr.getNamespace()) : null);
    }
    for (Iterator i = src.getChildren(); i.hasNext();) {
      OMNode node = (OMNode) i.next();
      if (node.getType() == OMNode.ELEMENT_NODE) {
        OMElement element = (OMElement) node;
        OMElement child = _create(element);
        if (child != null) {
          _copyElement(element, child);
          dest.addChild(child);
        }
      } else if (node.getType() == OMNode.CDATA_SECTION_NODE) {
        OMText text = (OMText) node;
        factory.createOMText(dest,text.getText(), OMNode.CDATA_SECTION_NODE);
      } else if (node.getType() == OMNode.TEXT_NODE) {
        OMText text = (OMText) node;
        factory.createOMText(dest,text.getText());
      } else if (node.getType() == OMNode.COMMENT_NODE) {
        OMComment comment = (OMComment) node;
        factory.createOMComment(dest, comment.getValue());
      } else if (node.getType() == OMNode.PI_NODE) {
        OMProcessingInstruction pi = (OMProcessingInstruction) node;
        factory.createOMProcessingInstruction(dest, pi.getTarget(), pi.getValue());
      } else if (node.getType() == OMNode.SPACE_NODE) {
        OMText text = (OMText) node;
        factory.createOMText(dest, text.getText(), OMNode.SPACE_NODE);
      } else if (node.getType() == OMNode.ENTITY_REFERENCE_NODE) {
        OMText text = (OMText) node;
        factory.createOMText(dest, text.getText(), OMNode.ENTITY_REFERENCE_NODE);
      }
    }
    return dest;

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          try {
            String value = StringFunction.evaluate(o, navigator);
            IRI resolved = null;
            IRI baseUri = null;
            if (o instanceof OMNode) {
              OMNode node = (OMNode) o;
              OMContainer el = node.getParent();
              if (el instanceof Document) {
                Document doc = (Document) el;
                baseUri = doc.getBaseUri();
              } else if (el instanceof Element) {
                Element element = (Element) el;

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        level = includeSelf ? 0 : 1;
    }


    protected OMSerializable getNextNode(OMSerializable currentNode) {
        if (currentNode instanceof OMContainer) {
            OMNode firstChild = ((OMContainer)currentNode).getFirstOMChild();
            if (firstChild != null) {
                level++;
                return firstChild;
            }
        }
        OMSerializable node = currentNode;
        while (true) {
            if (level == 0) {
                return null;
            }
            OMNode nextSibling = ((OMNode)node).getNextOMSibling();
            if (nextSibling != null) {
                return nextSibling;
            } else {
                node = ((OMNode)node).getParent();
                level--;

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    }
    
    public static String getText(OMElement element) {
        String childText = null;
        StringBuffer buffer = null;
        OMNode child = element.getFirstOMChild();


        while (child != null) {
            final int type = child.getType();
            if (type == OMNode.TEXT_NODE || type == OMNode.CDATA_SECTION_NODE) {
                OMText textNode = (OMText) child;
                String textValue = textNode.getText();
                if (textValue != null && textValue.length() != 0) {
                    if (childText == null) {
                        // This is the first non empty text node. Just save the string.
                        childText = textValue;
                    } else {
                        // We've already seen a non empty text node before. Concatenate using
                        // a StringBuffer.
                        if (buffer == null) {
                            // This is the first text node we need to append. Initialize the
                            // StringBuffer.
                            buffer = new StringBuffer(childText);
                        }
                        buffer.append(textValue);
                    }
                }
            }
            child = child.getNextOMSibling();
        }


        if (childText == null) {
            // We didn't see any text nodes. Return an empty string.
            return "";

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    public static Reader getTextAsStream(OMElement element, boolean cache) {
        // If the element is not an OMSourcedElement and has not more than one child, then the most
        // efficient way to get the Reader is to build a StringReader
        if (!(element instanceof OMSourcedElement) && (!cache || element.isComplete())) {
            OMNode child = element.getFirstOMChild();
            if (child == null) {
                return new StringReader("");
            } else if (child.getNextOMSibling() == null) {
                return new StringReader(child instanceof OMText ? ((OMText)child).getText() : "");
            }
        }
        // In all other cases, extract the data from the XMLStreamReader
        try {

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public final class OMNodeHelper {
    private OMNodeHelper() {}
    
    public static OMNode getNextOMSibling(IChildNode node) throws OMException {
        OMNode nextSibling = node.getNextOMSiblingIfAvailable();
        if (nextSibling == null) {
            IParentNode parent = node.getIParentNode();
            if (parent != null && parent.getBuilder() != null) {
                switch (parent.getState()) {
                    case IParentNode.DISCARDED:

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                // parsed yet.  We can't use getBody() yet...it will
                // cause a failure.  So instead, carefully find the
                // body and insert the header.  If the body is not found,
                // this indicates that it has not been parsed yet...and
                // the code will fall through to the super.addChild.
                OMNode node = this.lastChild;
                while (node != null) {
                    if (node instanceof SOAPBody) {
                        node.insertSiblingBefore(child);
                        return;
                    }
                    node = node.getPreviousOMSibling();
                }
            }
        }
        super.addChild(child, fromBuilder);        
    }

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        OMElement element = getFirstElement();
        if (element != null) {
            if (SOAPConstants.BODY_LOCAL_NAME.equals(element.getLocalName())) {
                return (SOAPBody) element;
            } else {      // if not second element SHOULD be the body
                OMNode node = element.getNextOMSibling();
                while (node != null && node.getType() != OMNode.ELEMENT_NODE) {
                    node = node.getNextOMSibling();
                }
                if (node == null) {
                    // The envelope only contains a header
                    return null;
                } else if (SOAPConstants.BODY_LOCAL_NAME.equals(((OMElement)node).getLocalName())) {

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