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PdfArray is the PDF Array object.

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An array is a sequence of PDF objects. An array may contain a mixture of object types. An array is written as a left square bracket ([), followed by a sequence of objects, followed by a right square bracket (]).
This object is described in the 'Portable Document Format Reference Manual version 1.7' section 3.2.5 (page 58).

. No, because:. We can keep on creating XFA templates based on ISO-32000-1. We can convert PDF 1.7 files with XFA content to PDF 2.0, PDF/A, PDF/UA, document, so it doesn't matter if XFA can or can't be used inside a PDF 2.0 document. XDP and PDF are separate things, let's use XDP instead of PDF (this is a suboptimal option!). IText Pro 1.2.5 – OCR Tool. December 11, 2017. IText Pro could recognize text from any image. You can use iText to extract text from PDF, document in paper, page.

I am trying to migrate my iText dependency to a higher version. Before I used itextpdf-5.4.2.jar and itext-1.3.1.jar.Now I have migrated to itextpdf-5.5.10.jar and itext-4.2.1.jar. After this upgrade, my PDF no longer prints barcodes. Barcodes worked perfectly with the earlier versions. 1.1.6; 1.1.7; 1.1.8; 1.1.9; 1.1.10; 1.1.11; 1.1.12; 1.1.13; 1.2.0; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5; 1.2.6; 1.3.0; 1.3.1; 1.3.2; 1.3.3; 1.3.4; 1.3.5. Public class PdfArray extends PdfObject. PdfArray is the PDF Array object. An array is a sequence of PDF objects. An array may contain a mixture of object types. An array is written as a left square bracket , followed by a sequence of objects, followed by a right square bracket.

See Also:
PdfObject
Field Summary
protected java.util.ArrayListarrayList
this is the actual array of PdfObjects
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
PdfArray()
Constructs an empty PdfArray-object.
PdfArray(java.util.ArrayList l)
Constructs a PdfArray, containing all elements of a specified ArrayList.
PdfArray(float[] values)
Constructs a PdfArray-object, containing all float values in a specified array.
PdfArray(int[] values)
Constructs a PdfArray-object, containing all int values in a specified array.
PdfArray(PdfArray array)
Constructs an PdfArray-object, containing all PdfObjects in a specified PdfArray.
PdfArray(PdfObject object)
Constructs an PdfArray-object, containing 1 PdfObject.
Method Summary
booleanadd(float[] values)
Adds an array of float values to end of the PdfArray.
booleanadd(int[] values)
Adds an array of int values to end of the PdfArray.
voidadd(int index, PdfObject element)
Inserts the specified element at the specified position.
booleanadd(PdfObject object)
Adds a PdfObject to the end of the PdfArray.
voidaddFirst(PdfObject object)
Inserts a PdfObject at the beginning of the PdfArray.
booleancontains(PdfObject object)
Checks if the PdfArray already contains a certain PdfObject.
java.util.ArrayListgetArrayList()
Deprecated.
PdfArraygetAsArray(int idx)
Returns a PdfObject as a PdfArray, resolving indirect references.
PdfBooleangetAsBoolean(int idx)
Returns a PdfObject as a PdfBoolean, resolving indirect references.
PdfDictionarygetAsDict(int idx)
Returns a PdfObject as a PdfDictionary, resolving indirect references.
PdfIndirectReferencegetAsIndirectObject(int idx)
Returns a PdfObject as a PdfIndirectReference.
PdfNamegetAsName(int idx)
Returns a PdfObject as a PdfName, resolving indirect references.
PdfNumbergetAsNumber(int idx)
Returns a PdfObject as a PdfNumber, resolving indirect references.
PdfStreamgetAsStream(int idx)
Returns a PdfObject as a PdfStream, resolving indirect references.
PdfStringgetAsString(int idx)
Returns a PdfObject as a PdfString, resolving indirect references.
PdfObjectgetDirectObject(int idx)
Returns the PdfObject with the specified index, resolving a possible indirect reference to a direct object.
PdfObjectgetPdfObject(int idx)
Returns the PdfObject with the specified index.
booleanisEmpty()
Returns true if the array is empty.
java.util.ListIteratorlistIterator()
Returns the list iterator for the array.
PdfObjectremove(int idx)
Remove the element at the specified position from the array.
PdfObjectset(int idx, PdfObject obj)
Overwrites a specified location of the array, returning the previous value
intsize()
Returns the number of entries in the array.
voidtoPdf(PdfWriter writer, java.io.OutputStream os)
Writes the PDF representation of this PdfArray as an array of byte to the specified OutputStream.
java.lang.StringtoString()
Returns a string representation of this PdfArray.
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

arrayList

this is the actual array of PdfObjects
Constructor Detail

PdfArray

Constructs an empty PdfArray-object.

PdfArray

Constructs an PdfArray-object, containing 1 PdfObject.
Parameters:
object - a PdfObject that has to be added to the array

PdfArray

Constructs a PdfArray-object, containing all float values in a specified array. The float values are internally converted to PdfNumber objects.
Parameters:
values - an array of float values to be added

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PdfArray

Constructs a PdfArray-object, containing all int values in a specified array. The int values are internally converted to PdfNumber objects.
Parameters:
values - an array of int values to be added

PdfArray

Constructs a PdfArray, containing all elements of a specified ArrayList.
Parameters:
l - an ArrayList with PdfObjects to be added to the array
Throws:
java.lang.ClassCastException - if the ArrayList contains something that isn't a PdfObject
Since:
2.1.3

PdfArray

Constructs an PdfArray-object, containing all PdfObjects in a specified PdfArray.
Parameters:
array - a PdfArray to be added to the array
Method Detail

toPdf

Writes the PDF representation of this PdfArray as an array of byte to the specified OutputStream.
Overrides:
toPdf in class PdfObject
Parameters:
writer - for backwards compatibility
os - the OutputStream to write the bytes to.
Throws:
java.io.IOException

toString

Returns a string representation of this PdfArray. The string representation consists of a list of all PdfObjects contained in this PdfArray, enclosed in square brackets ('[]'). Adjacent elements are separated by the characters ', ' (comma and space).
Overrides:
toString in class PdfObject
Returns:
the string representation of this PdfArray

set

Overwrites a specified location of the array, returning the previous value
Parameters:
idx - The index of the element to be overwritten
obj - new value for the specified index
Returns:
the previous value
Throws:
java.lang.IndexOutOfBoundsException - if the specified position doesn't exist
Since:
2.1.5

remove

Remove the element at the specified position from the array. Shifts any subsequent elements to the left (subtracts one from their indices).
Parameters:
idx - The index of the element to be removed.
Throws:
java.lang.IndexOutOfBoundsException - the specified position doesn't exist
Since:
2.1.5

getArrayList

Deprecated.
Get the internal arrayList for this PdfArray. Not Recommended.
Returns:
the internal ArrayList. Naughty Naughty.

size

Returns the number of entries in the array.
Returns:
the size of the ArrayList

isEmpty

Returns true if the array is empty.
Returns:
true if the array is empty
Since:
2.1.5

add

Adds a PdfObject to the end of the PdfArray. The PdfObject will be the last element.
Parameters:
object - PdfObject to add
Returns:
always true

add

Adds an array of float values to end of the PdfArray. The values will be the last elements. The float values are internally converted to PdfNumber objects.
Parameters:
values - An array of float values to add
Returns:
always true

add

Adds an array of int values to end of the PdfArray. The values will be the last elements. The int values are internally converted to PdfNumber objects.
Parameters:
values - An array of int values to add
Returns:
always true

add

Inserts the specified element at the specified position. Shifts the element currently at that position (if any) and any subsequent elements to the right (adds one to their indices).
Parameters:
index - The index at which the specified element is to be inserted
element - The element to be inserted
Throws:
java.lang.IndexOutOfBoundsException - if the specified index is larger than the last position currently set, plus 1.
Since:
2.1.5

addFirst

Inserts a PdfObject at the beginning of the PdfArray. The PdfObject will be the first element, any other elements will be shifted to the right (adds one to their indices).
Parameters:
object - The PdfObject to add

contains

Checks if the PdfArray already contains a certain PdfObject.
Parameters:
object - The PdfObject to check
Returns:
true

listIterator

Returns the list iterator for the array.
Returns:
a ListIterator

getPdfObject

Returns the PdfObject with the specified index. A possible indirect references is not resolved, so the returned PdfObject may be either a direct object or an indirect reference, depending on how the object is stored in the PdfArray.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
A PdfObject

getDirectObject

Returns the PdfObject with the specified index, resolving a possible indirect reference to a direct object. Thus this method will never return a PdfIndirectReference object.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
A direct PdfObject or null

getAsDict

Returns a PdfObject as a PdfDictionary, resolving indirect references. The object corresponding to the specified index is retrieved and resolvedto a direct object. If it is a PdfDictionary, it is cast down and returned as such. Otherwise null is returned.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
the corresponding PdfDictionary object, or null

getAsArray

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Returns a PdfObject as a PdfArray, resolving indirect references. The object corresponding to the specified index is retrieved and resolved to a direct object. If it is a PdfArray, it is cast down and returned as such. Otherwise null is returned.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
the corresponding PdfArray object, or null

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getAsStream

Returns a PdfObject as a PdfStream, resolving indirect references. The object corresponding to the specified index is retrieved and resolved to a direct object. If it is a PdfStream, it is cast down and returned as such. Otherwise null is returned.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
the corresponding PdfStream object, or null

getAsString

Returns a PdfObject as a PdfString, resolving indirect references. The object corresponding to the specified index is retrieved and resolved to a direct object. If it is a PdfString, it is cast down and returned as such. Otherwise null is returned.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
the corresponding PdfString object, or null

getAsNumber

Itext
Returns a PdfObject as a PdfNumber, resolving indirect references. The object corresponding to the specified index is retrieved and resolved to a direct object. If it is a PdfNumber, it is cast down and returned as such. Otherwise null is returned.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
the corresponding PdfNumber object, or null

getAsName

Returns a PdfObject as a PdfName, resolving indirect references. The object corresponding to the specified index is retrieved and resolved to a direct object. If it is a PdfName, it is cast down and returned as such. Otherwise null is returned.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
the corresponding PdfName object, or null

getAsBoolean

Returns a PdfObject as a PdfBoolean, resolving indirect references. The object corresponding to the specified index is retrieved and resolved to a direct object. If it is a PdfBoolean, it is cast down and returned as such. Otherwise null is returned.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
the corresponding PdfBoolean object, or null

getAsIndirectObject

Returns a PdfObject as a PdfIndirectReference. The object corresponding to the specified index is retrieved. If it is a PdfIndirectReference, it is cast down and returned as such. Otherwise null is returned.
Parameters:
idx - The index of the PdfObject to be returned
Returns:
the corresponding PdfIndirectReference object, or null
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IText is a library that allows you to generate PDF files on the fly.

The iText classes are very useful for people who need to generate read-only, platform independent documents containing text, lists, tables and images. The library is especially useful in combination with Java(TM) technology-based Servlets: The look and feel of HTML is browser dependent; with iText and PDF you can control exactly how your servlet's output will look.

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