## com.lowagie.text.pdf
Class PdfStructureTreeRoot

    java.lang.Object
      com.lowagie.text.pdf.PdfObject
          com.lowagie.text.pdf.PdfDictionary
              com.lowagie.text.pdf.PdfStructureTreeRoot

    public class PdfStructureTreeRoot

extends PdfDictionary

The structure tree root corresponds to the highest hierarchy level in a tagged PDF.

Author:
  Paulo Soares (psoares@consiste.pt)

Field Summary
`private java.util.HashMap` `parentTree`
`private PdfIndirectReference` `reference`
`private PdfWriter` `writer` Holds value of property writer.

Fields inherited from class com.lowagie.text.pdf.PdfDictionary
`CATALOG, FONT, hashMap, OUTLINES, PAGE, PAGES`

Fields inherited from class com.lowagie.text.pdf.PdfObject
`ARRAY, BOOLEAN, bytes, DICTIONARY, INDIRECT, indRef, NAME, NOTHING, NULL, NUMBER, STREAM, STRING, TEXT_PDFDOCENCODING, TEXT_UNICODE, type`

Constructor Summary
`PdfStructureTreeRoot(PdfWriter writer)` Creates a new instance of PdfStructureTreeRoot

Method Summary
`(package private) void` `buildTree()`
`PdfIndirectReference` `getReference()` Gets the reference this object will be written to.
`PdfWriter` `getWriter()` Gets the writer.
`void` `mapRole(PdfName used, PdfName standard)` Maps the user tags to the standard tags.
`private void` `nodeProcess(PdfDictionary struc, PdfIndirectReference reference)`
`(package private) void` `setPageMark(int page, PdfIndirectReference struc)`

Methods inherited from class com.lowagie.text.pdf.PdfDictionary
`contains, get, getKeys, isCatalog, isDictionaryType, isFont, isOutlineTree, isPage, isPages, merge, mergeDifferent, put, putAll, putEx, remove, size, toPdf, toString`

Methods inherited from class com.lowagie.text.pdf.PdfObject
`canBeInObjStm, getBytes, getIndRef, isArray, isBoolean, isDictionary, isIndirect, isName, isNull, isNumber, isStream, isString, length, setContent, setIndRef, type`

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

Field Detail

### parentTree

    private java.util.HashMap parentTree

### reference

    private PdfIndirectReference reference

### writer

    private PdfWriter writer

  Holds value of property writer.

Constructor Detail

### PdfStructureTreeRoot

    PdfStructureTreeRoot(PdfWriter writer)

  Creates a new instance of PdfStructureTreeRoot

Method Detail

### mapRole

    public void mapRole(PdfName used,
                        PdfName standard)

  Maps the user tags to the standard tags. The mapping will allow a standard application to make some sense of the tagged document whatever the user tags may be.

  Parameters:
    `used` - the user tag
    `standard` - the standard tag

### getWriter

    public PdfWriter getWriter()

  Gets the writer.

  Returns:
    the writer

### getReference

    public PdfIndirectReference getReference()

  Gets the reference this object will be written to.

  Returns:
    the reference this object will be written to

### setPageMark

    void setPageMark(int page,
                     PdfIndirectReference struc)

### nodeProcess

    private void nodeProcess(PdfDictionary struc,
                             PdfIndirectReference reference)
                      throws java.io.IOException

  Throws:
    `java.io.IOException`

### buildTree

    void buildTree()
             throws java.io.IOException

  Throws:
    `java.io.IOException`