org.apache.fop.render.intermediate.extensions

## Class DocumentNavigationHandler

- java.lang.Object
- - org.xml.sax.helpers.DefaultHandler
  - - org.apache.fop.render.intermediate.extensions.DocumentNavigationHandler

- All Implemented Interfaces:
    DocumentNavigationExtensionConstants, org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

      public class DocumentNavigationHandler
      extends org.xml.sax.helpers.DefaultHandler
      implements DocumentNavigationExtensionConstants

  ContentHandler that handles the IF document navigation namespace.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected static org.apache.commons.logging.Log` | `log` Logger instance

    - ### Fields inherited from interface org.apache.fop.render.intermediate.extensions.DocumentNavigationExtensionConstants

      `BOOKMARK, BOOKMARK_TREE, GOTO_URI, GOTO_XY, LINK, NAMED_DESTINATION, NAMESPACE, PREFIX`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `DocumentNavigationHandler(IFDocumentNavigationHandler navHandler, java.util.Map<java.lang.String,StructureTreeElement> structureTreeElements)` Main constructor.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `characters(char[] ch, int start, int length)`
    `void` | `endDocument()`
    `void` | `endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)`
    `void` | `startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attributes)`

    - ### Methods inherited from class org.xml.sax.helpers.DefaultHandler

      `endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning`

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### log

          protected static final org.apache.commons.logging.Log log

      Logger instance

  - ### Constructor Detail

    - #### DocumentNavigationHandler

          public DocumentNavigationHandler(IFDocumentNavigationHandler navHandler,
                                           java.util.Map<java.lang.String,StructureTreeElement> structureTreeElements)

      Main constructor.
      Parameters:
        `navHandler` - the navigation handler that will receive the events
        `structureTreeElements` - the elements representing the structure of the document

  - ### Method Detail

    - #### startElement

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

      Specified by:
        `startElement` in interface `org.xml.sax.ContentHandler`
      Overrides:
        `startElement` in class `org.xml.sax.helpers.DefaultHandler`
      Throws:
        `org.xml.sax.SAXException`

    - #### endElement

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

      Specified by:
        `endElement` in interface `org.xml.sax.ContentHandler`
      Overrides:
        `endElement` in class `org.xml.sax.helpers.DefaultHandler`
      Throws:
        `org.xml.sax.SAXException`

    - #### characters

          public void characters(char[] ch,
                                 int start,
                                 int length)
                          throws org.xml.sax.SAXException

      Specified by:
        `characters` in interface `org.xml.sax.ContentHandler`
      Overrides:
        `characters` in class `org.xml.sax.helpers.DefaultHandler`
      Throws:
        `org.xml.sax.SAXException`

    - #### endDocument

          public void endDocument()
                           throws org.xml.sax.SAXException

      Specified by:
        `endDocument` in interface `org.xml.sax.ContentHandler`
      Overrides:
        `endDocument` in class `org.xml.sax.helpers.DefaultHandler`
      Throws:
        `org.xml.sax.SAXException`

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