Package com.aowagie.text.pdf

Class PRAcroForm

java.lang.Object

com.aowagie.text.pdf.PdfObject

com.aowagie.text.pdf.PdfDictionary

com.aowagie.text.pdf.PRAcroForm

public class PRAcroForm
extends PdfDictionary

This class captures an AcroForm on input. Basically, it extends Dictionary by indexing the fields of an AcroForm

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PRAcroForm.FieldInformation	This class holds the information for a single field

Field Summary

Fields

Modifier and Type	Field	Description
private final HashMap	fieldByName
private final ArrayList	fields
private final PdfReader	reader
private final ArrayList	stack

Fields inherited from class com.aowagie.text.pdf.PdfDictionary

CATALOG, hashMap, OUTLINES, PAGE

Fields inherited from class com.aowagie.text.pdf.PdfObject

ARRAY, BOOLEAN, bytes, DICTIONARY, INDIRECT, NAME, NOTHING, NULL, NUMBER, STREAM, STRING, TEXT_PDFDOCENCODING, TEXT_UNICODE, type

Constructor Summary

Constructors

Constructor	Description
PRAcroForm(PdfReader reader)	Constructor

Method Summary

Modifier and Type	Method	Description
ArrayList	getFields()
private void	iterateFields(PdfArray fieldlist, PRIndirectReference fieldDict, String title)	After reading, we index all of the fields.
private PdfDictionary	mergeAttrib(PdfDictionary parent, PdfDictionary child)	merge field attributes from two dictionaries
private void	pushAttrib(PdfDictionary dict)	stack a level of dictionary.
(package private) void	readAcroForm(PdfDictionary root)	Read, and comprehend the acroform
int	size()	Number of fields found

Methods inherited from class com.aowagie.text.pdf.PdfDictionary

contains, get, getAsArray, getAsBoolean, getAsDict, getAsIndirectObject, getAsName, getAsNumber, getAsString, getDirectObject, getKeys, isCatalog, isFont, isOutlineTree, isPage, isPages, merge, mergeDifferent, put, putAll, remove, toPdf, toString

Methods inherited from class com.aowagie.text.pdf.PdfObject

canBeInObjStm, getBytes, getIndRef, isArray, isBoolean, isDictionary, isIndirect, isName, isNull, isNumber, isStream, isString, setContent, setIndRef, type

Methods inherited from class java.lang.Object

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

Field Details

fields

private final ArrayList fields

stack

private final ArrayList stack

fieldByName

private final HashMap fieldByName

reader

private final PdfReader reader

Constructor Details

PRAcroForm

PRAcroForm(PdfReader reader)

Constructor

Parameters:

reader - reader of the input file

Method Details

size

public int size()

Number of fields found

Overrides:

size in class PdfDictionary

Returns:

size

getFields

public ArrayList getFields()

readAcroForm

void readAcroForm(PdfDictionary root)

Read, and comprehend the acroform

Parameters:

root - the document root

iterateFields

private void iterateFields(PdfArray fieldlist,
 PRIndirectReference fieldDict,
 String title)

After reading, we index all of the fields. Recursive.

Parameters:

fieldlist - An array of fields

fieldDict - the last field dictionary we encountered (recursively)

title - the pathname of the field, up to this point or null

mergeAttrib

private PdfDictionary mergeAttrib(PdfDictionary parent,
 PdfDictionary child)

merge field attributes from two dictionaries

Parameters:

parent - one dictionary

child - the other dictionary

Returns:

a merged dictionary

pushAttrib

private void pushAttrib(PdfDictionary dict)

stack a level of dictionary. Merge in a dictionary from this level