IT. Expert System.

Java Standard Edition (SE)

XMLEventWriter


compact2, compact3
javax.xml.stream

Interface XMLEventWriter

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method and Description
      void add(XMLEvent event)
      Add an event to the output stream Adding a START_ELEMENT will open a new namespace scope that will be closed when the corresponding END_ELEMENT is written.
      void add(XMLEventReader reader)
      Adds an entire stream to an output stream, calls next() on the inputStream argument until hasNext() returns false This should be treated as a convenience method that will perform the following loop over all the events in an event reader and call add on each event.
      void close()
      Frees any resources associated with this stream
      void flush()
      Writes any cached events to the underlying output mechanism
      NamespaceContext getNamespaceContext()
      Returns the current namespace context.
      String getPrefix(String uri)
      Gets the prefix the uri is bound to
      void setDefaultNamespace(String uri)
      Binds a URI to the default namespace This URI is bound in the scope of the current START_ELEMENT / END_ELEMENT pair.
      void setNamespaceContext(NamespaceContext context)
      Sets the current namespace context for prefix and uri bindings.
      void setPrefix(String prefix, String uri)
      Sets the prefix the uri is bound to.
    • Method Detail

      • add

        void add(XMLEvent event)
          throws XMLStreamException
        Add an event to the output stream Adding a START_ELEMENT will open a new namespace scope that will be closed when the corresponding END_ELEMENT is written.
        Required and optional fields for events added to the writer
        Event Type Required Fields Optional Fields Required Behavior
        START_ELEMENT QName name namespaces , attributes A START_ELEMENT will be written by writing the name, namespaces, and attributes of the event in XML 1.0 valid syntax for START_ELEMENTs. The name is written by looking up the prefix for the namespace uri. The writer can be configured to respect prefixes of QNames. If the writer is respecting prefixes it must use the prefix set on the QName. The default behavior is to lookup the value for the prefix on the EventWriter's internal namespace context. Each attribute (if any) is written using the behavior specified in the attribute section of this table. Each namespace (if any) is written using the behavior specified in the namespace section of this table.
        END_ELEMENT Qname name None A well formed END_ELEMENT tag is written. The name is written by looking up the prefix for the namespace uri. The writer can be configured to respect prefixes of QNames. If the writer is respecting prefixes it must use the prefix set on the QName. The default behavior is to lookup the value for the prefix on the EventWriter's internal namespace context. If the END_ELEMENT name does not match the START_ELEMENT name an XMLStreamException is thrown.
        ATTRIBUTE QName name , String value QName type An attribute is written using the same algorithm to find the lexical form as used in START_ELEMENT. The default is to use double quotes to wrap attribute values and to escape any double quotes found in the value. The type value is ignored.
        NAMESPACE String prefix, String namespaceURI, boolean isDefaultNamespaceDeclaration None A namespace declaration is written. If the namespace is a default namespace declaration (isDefault is true) then xmlns="$namespaceURI" is written and the prefix is optional. If isDefault is false, the prefix must be declared and the writer must prepend xmlns to the prefix and write out a standard prefix declaration.
        PROCESSING_INSTRUCTION None String target, String data The data does not need to be present and may be null. Target is required and many not be null. The writer will write data section directly after the target, enclosed in appropriate XML 1.0 syntax
        COMMENT None String comment If the comment is present (not null) it is written, otherwise an an empty comment is written
        START_DOCUMENT None String encoding , boolean standalone, String version A START_DOCUMENT event is not required to be written to the stream. If present the attributes are written inside the appropriate XML declaration syntax
        END_DOCUMENT None None Nothing is written to the output
        DTD String DocumentTypeDefinition None The DocumentTypeDefinition is written to the output
        Specified by:
        add in interface XMLEventConsumer
        Parameters:
        event - the event to be added
        Throws:
        XMLStreamException
      • add

        void add(XMLEventReader reader)
          throws XMLStreamException
        Adds an entire stream to an output stream, calls next() on the inputStream argument until hasNext() returns false This should be treated as a convenience method that will perform the following loop over all the events in an event reader and call add on each event.
        Parameters:
        reader - the event stream to add to the output
        Throws:
        XMLStreamException
      • setPrefix

        void setPrefix(String prefix,
                       String uri)
                throws XMLStreamException
        Sets the prefix the uri is bound to. This prefix is bound in the scope of the current START_ELEMENT / END_ELEMENT pair. If this method is called before a START_ELEMENT has been written the prefix is bound in the root scope.
        Parameters:
        prefix - the prefix to bind to the uri
        uri - the uri to bind to the prefix
        Throws:
        XMLStreamException
      • setDefaultNamespace

        void setDefaultNamespace(String uri)
                          throws XMLStreamException
        Binds a URI to the default namespace This URI is bound in the scope of the current START_ELEMENT / END_ELEMENT pair. If this method is called before a START_ELEMENT has been written the uri is bound in the root scope.
        Parameters:
        uri - the uri to bind to the default namespace
        Throws:
        XMLStreamException
      • setNamespaceContext

        void setNamespaceContext(NamespaceContext context)
                          throws XMLStreamException
        Sets the current namespace context for prefix and uri bindings. This context becomes the root namespace context for writing and will replace the current root namespace context. Subsequent calls to setPrefix and setDefaultNamespace will bind namespaces using the context passed to the method as the root context for resolving namespaces.
        Parameters:
        context - the namespace context to use for this writer
        Throws:
        XMLStreamException
      • getNamespaceContext

        NamespaceContext getNamespaceContext()
        Returns the current namespace context.
        Returns:
        the current namespace context


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