com.lowagie.text.pdf
Class XfdfReader

java.lang.Object
  com.lowagie.text.pdf.XfdfReader

All Implemented Interfaces:

SimpleXMLDocHandler

public class XfdfReader
extends Object
implements SimpleXMLDocHandler

Reads a XFDF.

Author:

Leonard Rosenthol (leonardr@pdfsages.com)

Field Summary

private Stack	fieldNames
(package private) HashMap	fields
private Stack	fieldValues
(package private) String	fileSpec
private boolean	foundRoot
protected HashMap	listFields Storage for field values if there's more than one value for a field.

Constructor Summary

XfdfReader(byte[] xfdfIn)
Reads an XFDF form.

XfdfReader(String filename)
Reads an XFDF form.

Method Summary

void	endDocument() Called after the document is parsed.
void	endElement(String tag) Called when an end tag is found.
String	getField(String name) Gets the field value.
HashMap	getFields() Gets all the fields.
String	getFieldValue(String name) Gets the field value or null if the field does not exist or has no value defined.
String	getFileSpec() Gets the PDF file specification contained in the FDF.
List	getListValues(String name) Gets the field values for a list or null if the field does not exist or has no value defined.
void	startDocument() Called when the document starts to be parsed.
void	startElement(String tag, HashMap h) Called when a start tag is found.
void	text(String str) Called when a text element is found.

Methods inherited from class java.lang.Object

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

Field Detail

foundRoot

private boolean foundRoot

fieldNames

private Stack fieldNames

fieldValues

private Stack fieldValues

fields

HashMap fields

listFields

protected HashMap listFields

Storage for field values if there's more than one value for a field.

Since:

2.1.4

fileSpec

String fileSpec

Constructor Detail

XfdfReader

public XfdfReader(String filename)
           throws IOException

Reads an XFDF form.

Parameters:

filename - the file name of the form

Throws:

IOException - on error

XfdfReader

public XfdfReader(byte[] xfdfIn)
           throws IOException

Reads an XFDF form.

Parameters:

xfdfIn - the byte array with the form

Throws:

IOException - on error

Method Detail

getFields

public HashMap getFields()

Gets all the fields. The map is keyed by the fully qualified field name and the value is a merged PdfDictionary with the field content.

Returns:

all the fields

getField

public String getField(String name)

Gets the field value.

Parameters:

name - the fully qualified field name

Returns:

the field's value

getFieldValue

public String getFieldValue(String name)

Gets the field value or null if the field does not exist or has no value defined.

Parameters:

name - the fully qualified field name

Returns:

the field value or null

getListValues

public List getListValues(String name)

Gets the field values for a list or null if the field does not exist or has no value defined.

Parameters:

name - the fully qualified field name

Returns:

the field values or null

Since:

2.1.4

getFileSpec

public String getFileSpec()

Gets the PDF file specification contained in the FDF.

Returns:

the PDF file specification contained in the FDF

startElement

public void startElement(String tag,
                         HashMap h)

Called when a start tag is found.

Specified by:

startElement in interface SimpleXMLDocHandler

Parameters:

tag - the tag name

h - the tag's attributes

endElement

public void endElement(String tag)

Called when an end tag is found.

Specified by:

endElement in interface SimpleXMLDocHandler

Parameters:

tag - the tag name

startDocument

public void startDocument()

Called when the document starts to be parsed.

Specified by:

startDocument in interface SimpleXMLDocHandler

endDocument

public void endDocument()

Called after the document is parsed.

Specified by:

endDocument in interface SimpleXMLDocHandler

text

public void text(String str)

Called when a text element is found.

Specified by:

text in interface SimpleXMLDocHandler

Parameters:

str - the text element, probably a fragment.