Package org.dom4j.io

Class SAXWriter

  • All Implemented Interfaces:
    org.xml.sax.XMLReader
    public class SAXWriter
extends java.lang.Object
implements org.xml.sax.XMLReader

    SAXWriter writes a DOM4J tree to a SAX ContentHandler.

    • Constructor Summary

      Constructors 
      Constructor Description
      SAXWriter()  
      SAXWriter(org.xml.sax.ContentHandler contentHandler)  
      SAXWriter(org.xml.sax.ContentHandler contentHandler, org.xml.sax.ext.LexicalHandler lexicalHandler)  
      SAXWriter(org.xml.sax.ContentHandler contentHandler, org.xml.sax.ext.LexicalHandler lexicalHandler, org.xml.sax.EntityResolver entityResolver)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected org.xml.sax.helpers.AttributesImpl addNamespaceAttribute(org.xml.sax.helpers.AttributesImpl attrs, Namespace namespace)
      If isDelcareNamespaceAttributes() is enabled then this method will add the given namespace declaration to the supplied attributes object, creating one if it does not exist.
      protected org.xml.sax.Attributes createAttributes(Element element, org.xml.sax.Attributes namespaceAttributes)  
      protected void documentLocator(Document document)
      The Locatoris only really useful when parsing a textual document as its main purpose is to identify the line and column number.
      protected void dtdHandler(Document document)
      We do not yet support DTD or XML Schemas so this method does nothing right now.
      protected void endDocument()  
      protected void endElement(Element element)  
      protected void endPrefixMapping(NamespaceStack stack, int stackSize)
      Fires a SAX endPrefixMapping event for all the namespaceStack which have gone out of scope
      protected void entityResolver(Document document)  
      org.xml.sax.ContentHandler getContentHandler()
      DOCUMENT ME!
      org.xml.sax.DTDHandler getDTDHandler()
      DOCUMENT ME!
      org.xml.sax.EntityResolver getEntityResolver()
      DOCUMENT ME!
      org.xml.sax.ErrorHandler getErrorHandler()
      DOCUMENT ME!
      boolean getFeature(java.lang.String name)
      Looks up the value of a feature.
      org.xml.sax.ext.LexicalHandler getLexicalHandler()
      DOCUMENT ME!
      java.lang.Object getProperty(java.lang.String name)
      Gets the given SAX property
      protected void checkForNullHandlers()
      Ensures non-null content handlers?
      boolean isDeclareNamespaceAttributes()
      Should namespace declarations be converted to "xmlns" attributes.
      protected boolean isIgnoreableNamespace(Namespace namespace, NamespaceStack namespaceStack)
      DOCUMENT ME!
      void parse(java.lang.String systemId)
      This method is not supported.
      void parse(org.xml.sax.InputSource input)
      Parses an XML document.
      void setContentHandler(org.xml.sax.ContentHandler contentHandler)
      Sets the ContentHandler called when SAX events are raised
      void setDeclareNamespaceAttributes(boolean declareNamespaceAttrs)
      Sets whether namespace declarations should be exported as "xmlns" attributes or not.
      void setDTDHandler(org.xml.sax.DTDHandler handler)
      Sets the DTDHandler.
      void setEntityResolver(org.xml.sax.EntityResolver entityResolver)
      Sets the EntityResolver.
      void setErrorHandler(org.xml.sax.ErrorHandler errorHandler)
      Sets the ErrorHandler.
      void setFeature(java.lang.String name, boolean value)
      This implementation does actually use any features but just stores them for later retrieval
      void setLexicalHandler(org.xml.sax.ext.LexicalHandler lexicalHandler)
      Sets the LexicalHandler.
      void setProperty(java.lang.String name, java.lang.Object value)
      Sets the given SAX property
      void setXMLReader(org.xml.sax.XMLReader xmlReader)
      Sets the XMLReader used to write SAX events to
      protected void startDocument()  
      protected void startElement(Element element, org.xml.sax.helpers.AttributesImpl namespaceAttributes)  
      protected org.xml.sax.helpers.AttributesImpl startPrefixMapping(Element element, NamespaceStack namespaceStack)
      Fires a SAX startPrefixMapping event for all the namespaceStack which have just come into scope
      void write(java.lang.String text)
      Generates SAX events for the given text
      void write(CDATA cdata)
      Generates SAX events for the given CDATA
      void write(Comment comment)
      Generates SAX events for the given Comment
      void write(Document document)
      Generates SAX events for the given Document and all its content
      void write(Element element)
      Generates SAX events for the given Element and all its content
      protected void write(Element element, NamespaceStack namespaceStack)  
      void write(Entity entity)
      Generates SAX events for the given Entity
      void write(Node node)
      A polymorphic method to write any Node to this SAX stream
      void write(ProcessingInstruction pi)
      Generates SAX events for the given ProcessingInstruction
      void writeClose(Element element)
      Writes the closing tag of an Element
      protected void writeContent(Branch branch, NamespaceStack namespaceStack)  
      void writeOpen(Element element)
      Writes the opening tag of an Element, including its Attributes but without its content.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • LEXICAL_HANDLER_NAMES

        protected static final java.lang.String[] LEXICAL_HANDLER_NAMES

      • FEATURE_NAMESPACE_PREFIXES

        protected static final java.lang.String FEATURE_NAMESPACE_PREFIXES
        See Also:
        Constant Field Values

      • FEATURE_NAMESPACES

        protected static final java.lang.String FEATURE_NAMESPACES
        See Also:
        Constant Field Values

    • Constructor Detail

      • SAXWriter

        public SAXWriter()

      • SAXWriter

        public SAXWriter(org.xml.sax.ContentHandler contentHandler)

      • SAXWriter

        public SAXWriter(org.xml.sax.ContentHandler contentHandler,
                 org.xml.sax.ext.LexicalHandler lexicalHandler)

      • SAXWriter

        public SAXWriter(org.xml.sax.ContentHandler contentHandler,
                 org.xml.sax.ext.LexicalHandler lexicalHandler,
                 org.xml.sax.EntityResolver entityResolver)

    • Method Detail

      • write

        public void write(Node node)
           throws org.xml.sax.SAXException
        A polymorphic method to write any Node to this SAX stream
        Parameters:
        node - DOCUMENT ME!
        Throws:
        org.xml.sax.SAXException - DOCUMENT ME!

      • write

        public void write(Document document)
           throws org.xml.sax.SAXException
        Generates SAX events for the given Document and all its content
        Parameters:
        document - is the Document to parse
        Throws:
        org.xml.sax.SAXException - if there is a SAX error processing the events

      • write

        public void write(Element element)
           throws org.xml.sax.SAXException
        Generates SAX events for the given Element and all its content
        Parameters:
        element - is the Element to parse
        Throws:
        org.xml.sax.SAXException - if there is a SAX error processing the events

      • writeOpen

        public void writeOpen(Element element)
               throws org.xml.sax.SAXException

        Writes the opening tag of an Element, including its Attributes but without its content.

        Parameters:
        element - Element to output.
        Throws:
        org.xml.sax.SAXException - DOCUMENT ME!

      • writeClose

        public void writeClose(Element element)
                throws org.xml.sax.SAXException

        Writes the closing tag of an Element

        Parameters:
        element - Element to output.
        Throws:
        org.xml.sax.SAXException - DOCUMENT ME!

      • write

        public void write(java.lang.String text)
           throws org.xml.sax.SAXException
        Generates SAX events for the given text
        Parameters:
        text - is the text to send to the SAX ContentHandler
        Throws:
        org.xml.sax.SAXException - if there is a SAX error processing the events

      • write

        public void write(CDATA cdata)
           throws org.xml.sax.SAXException
        Generates SAX events for the given CDATA
        Parameters:
        cdata - is the CDATA to parse
        Throws:
        org.xml.sax.SAXException - if there is a SAX error processing the events

      • write

        public void write(Comment comment)
           throws org.xml.sax.SAXException
        Generates SAX events for the given Comment
        Parameters:
        comment - is the Comment to parse
        Throws:
        org.xml.sax.SAXException - if there is a SAX error processing the events

      • write

        public void write(Entity entity)
           throws org.xml.sax.SAXException
        Generates SAX events for the given Entity
        Parameters:
        entity - is the Entity to parse
        Throws:
        org.xml.sax.SAXException - if there is a SAX error processing the events

      • write

        public void write(ProcessingInstruction pi)
           throws org.xml.sax.SAXException
        Generates SAX events for the given ProcessingInstruction
        Parameters:
        pi - is the ProcessingInstruction to parse
        Throws:
        org.xml.sax.SAXException - if there is a SAX error processing the events

      • isDeclareNamespaceAttributes

        public boolean isDeclareNamespaceAttributes()
        Should namespace declarations be converted to "xmlns" attributes. This property defaults to false as per the SAX specification. This property is set via the SAX feature "http://xml.org/sax/features/namespace-prefixes"
        Returns:
        DOCUMENT ME!

      • setDeclareNamespaceAttributes

        public void setDeclareNamespaceAttributes(boolean declareNamespaceAttrs)
        Sets whether namespace declarations should be exported as "xmlns" attributes or not. This property is set from the SAX feature "http://xml.org/sax/features/namespace-prefixes"
        Parameters:
        declareNamespaceAttrs - DOCUMENT ME!

      • getContentHandler

        public org.xml.sax.ContentHandler getContentHandler()
        DOCUMENT ME!
        Specified by:
        getContentHandler in interface org.xml.sax.XMLReader
        Returns:
        the ContentHandler called when SAX events are raised

      • setContentHandler

        public void setContentHandler(org.xml.sax.ContentHandler contentHandler)
        Sets the ContentHandler called when SAX events are raised
        Specified by:
        setContentHandler in interface org.xml.sax.XMLReader
        Parameters:
        contentHandler - is the ContentHandler called when SAX events are raised

      • getDTDHandler

        public org.xml.sax.DTDHandler getDTDHandler()
        DOCUMENT ME!
        Specified by:
        getDTDHandler in interface org.xml.sax.XMLReader
        Returns:
        the DTDHandler

      • setDTDHandler

        public void setDTDHandler(org.xml.sax.DTDHandler handler)
        Sets the DTDHandler.
        Specified by:
        setDTDHandler in interface org.xml.sax.XMLReader
        Parameters:
        handler - DOCUMENT ME!

      • getErrorHandler

        public org.xml.sax.ErrorHandler getErrorHandler()
        DOCUMENT ME!
        Specified by:
        getErrorHandler in interface org.xml.sax.XMLReader
        Returns:
        the ErrorHandler

      • setErrorHandler

        public void setErrorHandler(org.xml.sax.ErrorHandler errorHandler)
        Sets the ErrorHandler.
        Specified by:
        setErrorHandler in interface org.xml.sax.XMLReader
        Parameters:
        errorHandler - DOCUMENT ME!

      • getEntityResolver

        public org.xml.sax.EntityResolver getEntityResolver()
        DOCUMENT ME!
        Specified by:
        getEntityResolver in interface org.xml.sax.XMLReader
        Returns:
        the EntityResolver used when a Document contains a DTD

      • setEntityResolver

        public void setEntityResolver(org.xml.sax.EntityResolver entityResolver)
        Sets the EntityResolver.
        Specified by:
        setEntityResolver in interface org.xml.sax.XMLReader
        Parameters:
        entityResolver - is the EntityResolver

      • getLexicalHandler

        public org.xml.sax.ext.LexicalHandler getLexicalHandler()
        DOCUMENT ME!
        Returns:
        the LexicalHandler used when a Document contains a DTD

      • setLexicalHandler

        public void setLexicalHandler(org.xml.sax.ext.LexicalHandler lexicalHandler)
        Sets the LexicalHandler.
        Parameters:
        lexicalHandler - is the LexicalHandler

      • setXMLReader

        public void setXMLReader(org.xml.sax.XMLReader xmlReader)
        Sets the XMLReader used to write SAX events to
        Parameters:
        xmlReader - is the XMLReader

      • getFeature

        public boolean getFeature(java.lang.String name)
                   throws org.xml.sax.SAXNotRecognizedException,
                          org.xml.sax.SAXNotSupportedException
        Looks up the value of a feature.
        Specified by:
        getFeature in interface org.xml.sax.XMLReader
        Parameters:
        name - DOCUMENT ME!
        Returns:
        DOCUMENT ME!
        Throws:
        org.xml.sax.SAXNotRecognizedException - DOCUMENT ME!
        org.xml.sax.SAXNotSupportedException - DOCUMENT ME!

      • setFeature

        public void setFeature(java.lang.String name,
                       boolean value)
                throws org.xml.sax.SAXNotRecognizedException,
                       org.xml.sax.SAXNotSupportedException
        This implementation does actually use any features but just stores them for later retrieval
        Specified by:
        setFeature in interface org.xml.sax.XMLReader
        Parameters:
        name - DOCUMENT ME!
        value - DOCUMENT ME!
        Throws:
        org.xml.sax.SAXNotRecognizedException - DOCUMENT ME!
        org.xml.sax.SAXNotSupportedException - DOCUMENT ME!

      • setProperty

        public void setProperty(java.lang.String name,
                        java.lang.Object value)
        Sets the given SAX property
        Specified by:
        setProperty in interface org.xml.sax.XMLReader
        Parameters:
        name - DOCUMENT ME!
        value - DOCUMENT ME!

      • getProperty

        public java.lang.Object getProperty(java.lang.String name)
                             throws org.xml.sax.SAXNotRecognizedException,
                                    org.xml.sax.SAXNotSupportedException
        Gets the given SAX property
        Specified by:
        getProperty in interface org.xml.sax.XMLReader
        Parameters:
        name - DOCUMENT ME!
        Returns:
        DOCUMENT ME!
        Throws:
        org.xml.sax.SAXNotRecognizedException - DOCUMENT ME!
        org.xml.sax.SAXNotSupportedException - DOCUMENT ME!

      • parse

        public void parse(java.lang.String systemId)
           throws org.xml.sax.SAXNotSupportedException
        This method is not supported.
        Specified by:
        parse in interface org.xml.sax.XMLReader
        Parameters:
        systemId - DOCUMENT ME!
        Throws:
        org.xml.sax.SAXNotSupportedException - DOCUMENT ME!

      • parse

        public void parse(org.xml.sax.InputSource input)
           throws org.xml.sax.SAXException
        Parses an XML document. This method can only accept DocumentInputSource inputs otherwise a SAXNotSupportedExceptionexception is thrown.
        Specified by:
        parse in interface org.xml.sax.XMLReader
        Parameters:
        input - DOCUMENT ME!
        Throws:
        org.xml.sax.SAXException - DOCUMENT ME!
        org.xml.sax.SAXNotSupportedException - if the input source is not wrapping a dom4j document

      • writeContent

        protected void writeContent(Branch branch,
                            NamespaceStack namespaceStack)
                     throws org.xml.sax.SAXException
        Throws:
        org.xml.sax.SAXException

      • documentLocator

        protected void documentLocator(Document document)
                        throws org.xml.sax.SAXException
        The Locatoris only really useful when parsing a textual document as its main purpose is to identify the line and column number. Since we are processing an in memory tree which will probably have its line number information removed, we'll just use -1 for the line and column numbers.
        Parameters:
        document - DOCUMENT ME!
        Throws:
        org.xml.sax.SAXException - DOCUMENT ME!

      • entityResolver

        protected void entityResolver(Document document)
                       throws org.xml.sax.SAXException
        Throws:
        org.xml.sax.SAXException

      • dtdHandler

        protected void dtdHandler(Document document)
                   throws org.xml.sax.SAXException
        We do not yet support DTD or XML Schemas so this method does nothing right now.
        Parameters:
        document - DOCUMENT ME!
        Throws:
        org.xml.sax.SAXException - DOCUMENT ME!

      • startDocument

        protected void startDocument()
                      throws org.xml.sax.SAXException
        Throws:
        org.xml.sax.SAXException

      • endDocument

        protected void endDocument()
                    throws org.xml.sax.SAXException
        Throws:
        org.xml.sax.SAXException

      • write

        protected void write(Element element,
                     NamespaceStack namespaceStack)
              throws org.xml.sax.SAXException
        Throws:
        org.xml.sax.SAXException

      • startPrefixMapping

        protected org.xml.sax.helpers.AttributesImpl startPrefixMapping(Element element,
                                                                NamespaceStack namespaceStack)
                                                         throws org.xml.sax.SAXException
        Fires a SAX startPrefixMapping event for all the namespaceStack which have just come into scope
        Parameters:
        element - DOCUMENT ME!
        namespaceStack - DOCUMENT ME!
        Returns:
        DOCUMENT ME!
        Throws:
        org.xml.sax.SAXException - DOCUMENT ME!

      • endPrefixMapping

        protected void endPrefixMapping(NamespaceStack stack,
                                int stackSize)
                         throws org.xml.sax.SAXException
        Fires a SAX endPrefixMapping event for all the namespaceStack which have gone out of scope
        Parameters:
        stack - DOCUMENT ME!
        stackSize - DOCUMENT ME!
        Throws:
        org.xml.sax.SAXException - DOCUMENT ME!

      • startElement

        protected void startElement(Element element,
                            org.xml.sax.helpers.AttributesImpl namespaceAttributes)
                     throws org.xml.sax.SAXException
        Throws:
        org.xml.sax.SAXException

      • endElement

        protected void endElement(Element element)
                   throws org.xml.sax.SAXException
        Throws:
        org.xml.sax.SAXException

      • createAttributes

        protected org.xml.sax.Attributes createAttributes(Element element,
                                                  org.xml.sax.Attributes namespaceAttributes)
                                           throws org.xml.sax.SAXException
        Throws:
        org.xml.sax.SAXException

      • addNamespaceAttribute

        protected org.xml.sax.helpers.AttributesImpl addNamespaceAttribute(org.xml.sax.helpers.AttributesImpl attrs,
                                                                   Namespace namespace)
        If isDelcareNamespaceAttributes() is enabled then this method will add the given namespace declaration to the supplied attributes object, creating one if it does not exist.
        Parameters:
        attrs - DOCUMENT ME!
        namespace - DOCUMENT ME!
        Returns:
        DOCUMENT ME!

      • isIgnoreableNamespace

        protected boolean isIgnoreableNamespace(Namespace namespace,
                                        NamespaceStack namespaceStack)
        DOCUMENT ME!
        Parameters:
        namespace - DOCUMENT ME!
        namespaceStack - DOCUMENT ME!
        Returns:
        true if the given namespace is an ignorable namespace (such as Namespace.NO_NAMESPACE or Namespace.XML_NAMESPACE) or if the namespace has already been declared in the current scope

      • checkForNullHandlers

        protected void checkForNullHandlers()
        Ensures non-null content handlers?