Class SequenceWrapper

  • All Implemented Interfaces:
    javax.xml.transform.Result, Receiver

    public class SequenceWrapper
    extends SequenceReceiver
    This class can be used in a push pipeline: it accepts any sequence as input, and generates a document in which the items of the sequence are wrapped by elements containing information about the types of the items in the input sequence.
    • Field Detail

      • RESULT_NS

        public static final java.lang.String RESULT_NS
    • Constructor Detail

      • SequenceWrapper

        public SequenceWrapper​(Receiver destination)
        Create a sequence wrapper. This creates an XML representation of the items sent to destination in which the types of all items are made explicit
        Parameters:
        destination - the sequence being wrapped
    • Method Detail

      • startDocument

        public void startDocument​(int properties)
                           throws XPathException
        Start of a document node.
        Parameters:
        properties - properties of the document node
        Throws:
        XPathException - if an error occurs
      • endDocument

        public void endDocument()
                         throws XPathException
        Notify the end of a document node
        Throws:
        XPathException - if an error occurs
      • startElement

        public void startElement​(NodeName elemName,
                                 SchemaType type,
                                 AttributeMap attributes,
                                 NamespaceMap namespaces,
                                 Location location,
                                 int properties)
                          throws XPathException
        Notify the start of an element
        Parameters:
        elemName - the name of the element.
        type - the type annotation of the element.
        attributes - the attributes of this element
        namespaces - the in-scope namespaces of this element: generally this is all the in-scope namespaces, without relying on inheriting namespaces from parent elements
        location - an object providing information about the module, line, and column where the node originated
        properties - bit-significant properties of the element node. If there are no relevant properties, zero is supplied. The definitions of the bits are in class ReceiverOption
        Throws:
        XPathException - if an error occurs
      • characters

        public void characters​(UnicodeString chars,
                               Location locationId,
                               int properties)
                        throws XPathException
        Character data
        Parameters:
        chars - The characters
        locationId - provides information such as line number and system ID.
        properties - Bit significant value. The following bits are defined:
        DISABLE_ESCAPING
        Disable escaping for this text node
        USE_CDATA
        Output as a CDATA section
        Throws:
        XPathException - if an error occurs
      • comment

        public void comment​(UnicodeString chars,
                            Location locationId,
                            int properties)
                     throws XPathException
        Output a comment
        Parameters:
        chars - The content of the comment
        locationId - provides information such as line number and system ID.
        properties - Additional information about the comment.
        Throws:
        XPathException - if an error occurs
      • processingInstruction

        public void processingInstruction​(java.lang.String target,
                                          UnicodeString data,
                                          Location locationId,
                                          int properties)
                                   throws XPathException
        Processing Instruction
        Parameters:
        target - The PI name. This must be a legal name (it will not be checked).
        data - The data portion of the processing instruction
        locationId - provides information such as line number and system ID.
        properties - Additional information about the PI.
        Throws:
        XPathException - if an error occurs
      • append

        public void append​(Item item,
                           Location locationId,
                           int copyNamespaces)
                    throws XPathException
        Output an item (atomic value or node) to the sequence
        Specified by:
        append in interface Receiver
        Specified by:
        append in class SequenceReceiver
        Parameters:
        item - the item to be appended
        locationId - the location of the calling instruction, for diagnostics
        copyNamespaces - if the item is an element node, this indicates whether its namespaces need to be copied. Values are ReceiverOption.ALL_NAMESPACES; the default (0) means
        Throws:
        XPathException - if an error occurs
      • usesTypeAnnotations

        public boolean usesTypeAnnotations()
        Ask whether this Receiver (or the downstream pipeline) makes any use of the type annotations supplied on element and attribute events
        Returns:
        true if the Receiver makes any use of this information. If false, the caller may supply untyped nodes instead of supplying the type annotation