Examples of net.sf.saxon.expr.JPConverter

net.sf.saxon.expr.JPConverter
This class together with its embedded subclasses handles conversion from Java values to XPath values. The general principle is to allocate a specific JPConverter at compile time wherever possible. If there is insufficient type information to make this feasible, a general-purpose JPConverter is allocated, which in turn allocates a more specific converter at run-time to do the actual work.

            Timestamp ts = (Timestamp)value;
            value = tdv.add(DayTimeDurationValue.fromMicroseconds(ts.getNanos() / 1000));
          }
          return (AtomicValue)value;
        }
    JPConverter converter = JPConverter.allocate(value.getClass(), null);
    return (AtomicValue)converter.convert(value, null);
  }

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        }
    }


    public JPConverter getJPConverter(Class sourceClass) {
        if (NodeOverNodeInfo.class.isAssignableFrom(sourceClass)) {
            return new JPConverter() {
                public ValueRepresentation convert(Object object, XPathContext context) throws XPathException {
                    return convertObjectToXPathValue(object);
                }
                public ItemType getItemType() {
                    return AnyNodeTest.getInstance();

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        }
    }


    public JPConverter getJPConverter(Class sourceClass) {
        if (isRecognizedNodeClass(sourceClass)) {
            return new JPConverter() {
                public ValueRepresentation convert(Object object, XPathContext context) throws XPathException {
                    return convertObjectToXPathValue(object, context.getConfiguration());
                }
                public ItemType getItemType() {
                    return AnyNodeTest.getInstance();

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    }


    //public NodeSet ns;
    public JPConverter getJPConverter(Class sourceClass) {
        if (Node.class.isAssignableFrom(sourceClass) && !(NodeOverNodeInfo.class.isAssignableFrom(sourceClass))) {
            return new JPConverter() {
                public ValueRepresentation convert(Object obj, XPathContext context) throws XPathException {
                    return wrapOrUnwrapNode((Node)obj, context.getConfiguration());
                }


                public ItemType getItemType() {
                    return AnyNodeTest.getInstance();
                }
            };
        } else if (NodeList.class.isAssignableFrom(sourceClass)) {
            return new JPConverter() {
                public ValueRepresentation convert(Object obj, XPathContext context) throws XPathException {
                    Configuration config = context.getConfiguration();
                    NodeList list = ((NodeList)obj);
                    final int len = list.getLength();
                    NodeInfo[] nodes = new NodeInfo[len];
                    for (int i = 0; i < len; i++) {
                        nodes[i] = wrapOrUnwrapNode(list.item(i), config);
                    }
                    return new SequenceExtent(nodes);
                }


                public ItemType getItemType() {
                    return AnyNodeTest.getInstance();
                }


                public int getCardinality() {
                    return StaticProperty.ALLOWS_ZERO_OR_MORE;
                }
            };
        } else if (DOMSource.class == sourceClass) {
            return new JPConverter() {
                public ValueRepresentation convert(Object obj, XPathContext context) throws XPathException {
                    return unravel((DOMSource)obj, context.getConfiguration());
                }


                public ItemType getItemType() {

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        }
    }


    public JPConverter getJPConverter(Class sourceClass) {
        if (isRecognizedNodeClass(sourceClass)) {
            return new JPConverter() {
                public ValueRepresentation convert(Object object, XPathContext context) throws XPathException {
                    return convertObjectToXPathValue(object, context.getConfiguration());
                }
                public ItemType getItemType() {
                    return AnyNodeTest.getInstance();

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    }




    public JPConverter getJPConverter(Class sourceClass) {
        if (isRecognizedNodeClass(sourceClass)) {
            return new JPConverter() {
                public ValueRepresentation convert(Object object, XPathContext context) throws XPathException {
                    return convertObjectToXPathValue(object, context.getConfiguration());
                }
                public ItemType getItemType() {
                    return AnyNodeTest.getInstance();

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            } else if (value instanceof QName) {
                QName q = (QName)value;
                return new QNameValue(q.getPrefix(), q.getNamespaceURI(), q.getLocalPart(),
                        BuiltInAtomicType.QNAME, null);
            } else if (value instanceof Node) {
                JPConverter jp = DOMObjectModel.getInstance().getJPConverter(Node.class);
                return Value.asItem(jp.convert(value, new EarlyEvaluationContext(config, null)));
                //return Value.asItem(DOMObjectModel.getInstance().convertObjectToXPathValue(value, config));
            } else if (value instanceof Source) {
                // Saxon extension to the XQJ specification
                Builder b = new TinyBuilder();
                PipelineConfiguration pipe = config.makePipelineConfiguration();

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    public XQItem createItemFromNode(Node value, XQItemType type) throws XQException {
        checkNotClosed();
        SaxonXQDataSource.checkNotNull(value, "value");
        try {
            JPConverter jp = DOMObjectModel.getInstance().getJPConverter(Node.class);
            NodeInfo n = (NodeInfo)jp.convert(value, new EarlyEvaluationContext(getConfiguration(), null));
            XQItem result = new SaxonXQItem(n, this);
            if (type != null && !result.instanceOf(type)) {
                throw new XQException("The node is not a valid instance of the required type");
            }
            return result;

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        }
    }


    public JPConverter getJPConverter(Class sourceClass) {
        if (isRecognizedNodeClass(sourceClass)) {
            return new JPConverter() {
                public ValueRepresentation convert(Object object, XPathContext context) throws XPathException {
                    return unwrapXdmValue(object);
                }
                public ItemType getItemType() {
                    return AnyNodeTest.getInstance();

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             } else {
                 throw new IllegalArgumentException("Supplied NodeInfo was created using a different Configuration");
             }
         } else {
             try {
                 JPConverter converter = JPConverter.allocate(node.getClass(), config);
                 NodeInfo nodeInfo = (NodeInfo)converter.convert(node, new EarlyEvaluationContext(config, null));
                 return (XdmNode)XdmItem.wrapItem(nodeInfo);
             } catch (XPathException e) {
                 throw new IllegalArgumentException(e.getMessage());
             }
         }

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Related Classes of net.sf.saxon.expr.JPConverter

net.sf.saxon.Controller

net.sf.saxon.dom.DOMEnvelope

net.sf.saxon.dom.DOMObjectModel

net.sf.saxon.dotnet.DotNetObjectModel

net.sf.saxon.event.ParseOptions

net.sf.saxon.option.dom4j.DOM4JObjectModel

net.sf.saxon.option.jdom.JDOMObjectModel

net.sf.saxon.option.xom.XOMObjectModel

net.sf.saxon.s9api.DocumentBuilder

net.sf.saxon.type.ExternalObjectType

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