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## org.apache.fop.util
Class GenerationHelperContentHandler

    java.lang.Object
      org.apache.fop.util.DelegatingContentHandler
          org.apache.fop.util.GenerationHelperContentHandler

All Implemented Interfaces:
  org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler, org.xml.sax.ext.LexicalHandler

    public class GenerationHelperContentHandler

extends DelegatingContentHandler

This class is a delegating SAX ContentHandler which has the purpose to provide a few handy methods that make life easier when generating SAX events.

Constructor Summary
`GenerationHelperContentHandler(org.xml.sax.ContentHandler handler, java.lang.String mainNamespace, java.lang.Object contentHandlerContext)` Main constructor.

Method Summary
`void` | `element(org.apache.xmlgraphics.util.QName qName, org.xml.sax.Attributes atts)` Convenience method to generate an empty element with attributes.
`void` | `element(java.lang.String localName, org.xml.sax.Attributes atts)` Convenience method to generate an empty element with attributes.
`void` | `endElement(org.apache.xmlgraphics.util.QName qName)` Convenience method to generate a startElement SAX event.
`void` | `endElement(java.lang.String localName)` Convenience method to generate a endElement SAX event.
`java.lang.Object` | `getContentHandlerContext()` Returns the context object (may be null).
`java.lang.String` | `getMainNamespace()` Returns the main namespace used for generated XML content.
`void` | `setMainNamespace(java.lang.String namespaceURI)` Sets the main namespace used for generated XML content when abbreviated ContentHandler calls are used.
`void` | `startElement(org.apache.xmlgraphics.util.QName qName)` Convenience method to generate a startElement SAX event.
`void` | `startElement(org.apache.xmlgraphics.util.QName qName, org.xml.sax.Attributes atts)` Convenience method to generate a startElement SAX event.
`void` | `startElement(java.lang.String localName)` Convenience method to generate a startElement SAX event.
`void` | `startElement(java.lang.String localName, org.xml.sax.Attributes atts)` Convenience method to generate a startElement SAX event.

Methods inherited from class org.apache.fop.util.DelegatingContentHandler
`characters, comment, endCDATA, endDocument, endDTD, endElement, endEntity, endPrefixMapping, error, fatalError, getDelegateContentHandler, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDelegateContentHandler, setDelegateDTDHandler, setDelegateEntityResolver, setDelegateErrorHandler, setDelegateLexicalHandler, setDocumentLocator, skippedEntity, startCDATA, startDocument, startDTD, startElement, startEntity, startPrefixMapping, unparsedEntityDecl, warning`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### GenerationHelperContentHandler

    public GenerationHelperContentHandler(org.xml.sax.ContentHandler handler,
                                          java.lang.String mainNamespace,
                                          java.lang.Object contentHandlerContext)

  Main constructor. If the given handler also implements any of the EntityResolver, DTDHandler, LexicalHandler or ErrorHandler interfaces, these are set automatically.

  Parameters:
    `handler` - the SAX content handler to delegate all calls to
    `mainNamespace` - the main namespace used for generated XML content when abbreviated ContentHandler calls are used.
    `contentHandlerContext` - additional content handler context state

Method Detail

### getMainNamespace

    public java.lang.String getMainNamespace()

  Returns the main namespace used for generated XML content.

  Returns:
    the main namespace

### setMainNamespace

    public void setMainNamespace(java.lang.String namespaceURI)

  Sets the main namespace used for generated XML content when abbreviated ContentHandler calls are used.

  Parameters:
    `namespaceURI` - the new main namespace URI

### getContentHandlerContext

    public java.lang.Object getContentHandlerContext()

  Returns the context object (may be null).

  Returns:
    the context object

### startElement

    public void startElement(java.lang.String localName,
                             org.xml.sax.Attributes atts)
                      throws org.xml.sax.SAXException

  Convenience method to generate a startElement SAX event.

  Parameters:
    `localName` - the local name of the element
    `atts` - the attributes
  Throws:
    `org.xml.sax.SAXException` - if a SAX exception occurs

### startElement

    public void startElement(java.lang.String localName)
                      throws org.xml.sax.SAXException

  Convenience method to generate a startElement SAX event.

  Parameters:
    `localName` - the local name of the element
  Throws:
    `org.xml.sax.SAXException` - if a SAX exception occurs

### startElement

    public void startElement(org.apache.xmlgraphics.util.QName qName,
                             org.xml.sax.Attributes atts)
                      throws org.xml.sax.SAXException

  Convenience method to generate a startElement SAX event.

  Parameters:
    `qName` - the qualified name of the element
    `atts` - the attributes
  Throws:
    `org.xml.sax.SAXException` - if a SAX exception occurs

### startElement

    public void startElement(org.apache.xmlgraphics.util.QName qName)
                      throws org.xml.sax.SAXException

  Convenience method to generate a startElement SAX event.

  Parameters:
    `qName` - the qualified name of the element
  Throws:
    `org.xml.sax.SAXException` - if a SAX exception occurs

### endElement

    public void endElement(java.lang.String localName)
                    throws org.xml.sax.SAXException

  Convenience method to generate a endElement SAX event.

  Parameters:
    `localName` - the local name of the element
  Throws:
    `org.xml.sax.SAXException` - if a SAX exception occurs

### endElement

    public void endElement(org.apache.xmlgraphics.util.QName qName)
                    throws org.xml.sax.SAXException

  Convenience method to generate a startElement SAX event.

  Parameters:
    `qName` - the qualified name of the element
  Throws:
    `org.xml.sax.SAXException` - if a SAX exception occurs

### element

    public void element(java.lang.String localName,
                        org.xml.sax.Attributes atts)
                 throws org.xml.sax.SAXException

  Convenience method to generate an empty element with attributes.

  Parameters:
    `localName` - the local name of the element
    `atts` - the attributes
  Throws:
    `org.xml.sax.SAXException` - if a SAX exception occurs

### element

    public void element(org.apache.xmlgraphics.util.QName qName,
                        org.xml.sax.Attributes atts)
                 throws org.xml.sax.SAXException

  Convenience method to generate an empty element with attributes.

  Parameters:
    `qName` - the qualified name of the element
    `atts` - the attributes
  Throws:
    `org.xml.sax.SAXException` - if a SAX exception occurs

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