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## javax.help
Interface TreeItemFactory

All Known Implementing Classes:
  FavoritesView.DefaultFavoritesFactory, IndexView.DefaultIndexFactory, TOCView.DefaultTOCFactory

public interface TreeItemFactory

A factory for creating TreeItems. This can be used to reuse the parsers.

Method Summary
`TreeItem` | `createItem()` Creates a default TreeItem.
`TreeItem` | `createItem(java.lang.String tagName, java.util.Hashtable attributes, HelpSet hs, java.util.Locale locale)` Creates a TreeItem from the given data.
`java.util.Enumeration` | `listMessages()` Lists all the error messages.
`javax.swing.tree.DefaultMutableTreeNode` | `parsingEnded(javax.swing.tree.DefaultMutableTreeNode node)` Ends parsing.
`void` | `parsingStarted(java.net.URL source)` Starts parsing.
`void` | `processDOCTYPE(java.lang.String root, java.lang.String publicID, java.lang.String systemID)` Processes a DOCTYPE.
`void` | `processPI(HelpSet hs, java.lang.String target, java.lang.String data)` A Processing Instruction.
`void` | `reportMessage(java.lang.String msg, boolean validParse)` Reports a parsing error.

Method Detail

### parsingStarted

    public void parsingStarted(java.net.URL source)

  Starts parsing.

  Parameters:
    `source` - The URL of the document being parsed.

### processDOCTYPE

    public void processDOCTYPE(java.lang.String root,
                               java.lang.String publicID,
                               java.lang.String systemID)

  Processes a DOCTYPE.

  Parameters:
    `root` - The root tag of the document.
    `publicID` - PublicID from the DOCTYPE.
    `systemID` - SystemID from the DOCTYPE.

### processPI

    public void processPI(HelpSet hs,
                          java.lang.String target,
                          java.lang.String data)

  A Processing Instruction.

  Parameters:
    `target` - The target of the PI.
    `data` - A String for the data in the PI.

### createItem

    public TreeItem createItem(java.lang.String tagName,
                               java.util.Hashtable attributes,
                               HelpSet hs,
                               java.util.Locale locale)

  Creates a TreeItem from the given data.

  Parameters:
    `tagName` - The name of the tag (for example, treeItem, or tocItem)
    `attributes` - A hashtable with all the attributes. Null is a valid value.
    `hs` - A HelpSet that provides context.
  Returns:
    A TreeItem.

### createItem

    public TreeItem createItem()

  Creates a default TreeItem.

  Returns:
    A TreeItem

### reportMessage

    public void reportMessage(java.lang.String msg,
                              boolean validParse)

  Reports a parsing error.

  Parameters:
    `msg` - The message to report.
    `validParse` - Whether the result of the parse is still valid.

### listMessages

    public java.util.Enumeration listMessages()

  Lists all the error messages.

### parsingEnded

    public javax.swing.tree.DefaultMutableTreeNode parsingEnded(javax.swing.tree.DefaultMutableTreeNode node)

  Ends parsing. Last chance to do something to the node. Return null to be sure the result is discarded.

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