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## org.jfree.data.xml
Class RootHandler

    java.lang.Object
      org.xml.sax.helpers.DefaultHandler
          org.jfree.data.xml.RootHandler

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

Direct Known Subclasses:
  CategoryDatasetHandler, PieDatasetHandler

public class RootHandler
extends org.xml.sax.helpers.DefaultHandler
implements DatasetTags

A SAX handler that delegates work to sub-handlers.

Field Summary

Fields inherited from interface org.jfree.data.xml.DatasetTags
`CATEGORYDATASET_TAG, ITEM_TAG, KEY_TAG, PIEDATASET_TAG, SERIES_TAG, VALUE_TAG`

Constructor Summary
`RootHandler()` Creates a new handler.

Method Summary
`void` | `characters(char[] ch, int start, int length)` Receives some (or all) of the text in the current element.
`org.xml.sax.helpers.DefaultHandler` | `getCurrentHandler()` Returns the handler at the top of the stack.
`java.util.Stack` | `getSubHandlers()` Returns the stack of sub handlers.
`org.xml.sax.helpers.DefaultHandler` | `popSubHandler()` Pops a sub-handler from the stack.
`void` | `pushSubHandler(org.xml.sax.helpers.DefaultHandler subhandler)` Pushes a sub-handler onto the stack.

Methods inherited from class org.xml.sax.helpers.DefaultHandler
`endDocument, endElement, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startElement, startPrefixMapping, unparsedEntityDecl, warning`

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

Constructor Detail

### RootHandler

    public RootHandler()

  Creates a new handler.

Method Detail

### getSubHandlers

    public java.util.Stack getSubHandlers()

  Returns the stack of sub handlers.

  Returns:
    The sub-handler stack.

### characters

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

  Receives some (or all) of the text in the current element.

  Specified by:
    `characters` in interface `org.xml.sax.ContentHandler`
  Parameters:
    `ch` - character buffer.
    `start` - the start index.
    `length` - the length of the valid character data.
  Throws:
    `org.xml.sax.SAXException` - for errors.

### getCurrentHandler

    public org.xml.sax.helpers.DefaultHandler getCurrentHandler()

  Returns the handler at the top of the stack.

  Returns:
    the handler.

### pushSubHandler

    public void pushSubHandler(org.xml.sax.helpers.DefaultHandler subhandler)

  Pushes a sub-handler onto the stack.

  Parameters:
    `subhandler` - the sub-handler.

### popSubHandler

    public org.xml.sax.helpers.DefaultHandler popSubHandler()

  Pops a sub-handler from the stack.

  Returns:
    The sub-handler.

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