Examples of javax.xml.xquery.XQItemType

javax.xml.xquery.XQItemType
3.org/TR/xquery">XQuery 1.0: An XML Query language.
The XQItemType extends the XQSequenceType but restricts the occurrance indicator to be exactly one. This derivation allows passing an item type wherever a sequence type is expected, but not the other way. The XQItemType interface contains methods to represent information about the following aspects of an item type:
- The kind of the item - one of XQITEMKIND_* constants
- Base type from which the item is derived - one of XQBASETYPE_*constants
- Name of the node, if any
- Type name, if any. If present, then also whether the typename is an anonymous type
- XML Schema URI associated with the type, if any
- The nillability characteristics, if any
An instance of the XQItemType is a standalone object that is independant of the XQConnection and any XQuery static or dynamic context.

    List<Boolean> results = new ArrayList<Boolean>();
    try {
      //check for boolean or string type and convert it accordingly, if a node then get it's text
      //content and convert to boolean
      while(result.next()) {
        XQItemType type = result.getItemType();
        Boolean value = convertToBoolean(type, result);
        if(value == null && isNodeType(type)) {
          Node n = result.getNode();
          value = Boolean.valueOf(transformNodeToString(n));
        }

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  public List<Number> mapResults(XQResultSequence result) {
    List<Number> results = new ArrayList<Number>();
    try {
      while(result.next()) {


        XQItemType type = result.getItemType();
        Number value = convertToNumber(type, result);
        if(value == null && isNodeType(type)) {
          Node n = result.getNode();
          String strValue = transformNodeToString(n);
          if(StringUtils.hasText(strValue)) {

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  public List<Node> mapResults(XQResultSequence result) {
    List<Node> results = new ArrayList<Node>();
    try {
      while(result.next()) {
        XQItemType type = result.getItemType();
        if(isNodeType(type)) {
          Node n = result.getNode();
          results.add(n);
        }
      }

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     * @return type
     *
     * @throws XQException XQException 
     */
    private Object getItemValue(XQItem item) throws XQException {
        XQItemType itemType = item.getItemType();
        Object itemValue = null;


        switch (itemType.getBaseType()) {
        case XQItemType.XQBASETYPE_BOOLEAN:
            itemValue = item.getBoolean();


            break;

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        } else if (value instanceof String) {
            xqType = xqconn.createAtomicType(XQItemType.XQBASETYPE_STRING);
        } else if (value instanceof Node) {
          xqType = xqconn.createNodeType();
        } else if (value instanceof NodeList || value instanceof XQSequence) {
            XQItemType xqItemType = xqconn.createNodeType();
            xqType = xqconn.createSequenceType(xqItemType, XQSequenceType.OCC_ZERO_OR_MORE);
        }
        return xqType;
    }

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     * @return type
     *
     * @throws XQException XQException 
     */
    private Object getItemValue(XQItem item) throws XQException {
        XQItemType itemType = item.getItemType();
        Object itemValue = null;


        switch (itemType.getBaseType()) {
        case XQItemType.XQBASETYPE_BOOLEAN:
            itemValue = item.getBoolean();


            break;

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        } else if (value instanceof Byte) {
          xqType = xqconn.createAtomicType(XQItemType.XQBASETYPE_BYTE);
        } else if (value instanceof Node) {
          xqType = xqconn.createNodeType();
        } else if (value instanceof NodeList || value instanceof XQSequence) {
            XQItemType xqItemType = xqconn.createNodeType();
            xqType = xqconn.createSequenceType(xqItemType, XQSequenceType.OCC_ZERO_OR_MORE);
        }
        return xqType;
    }

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