Package com.itextpdf.text.pdf

Class PdfFileSpecification

java.lang.Object

com.itextpdf.text.pdf.PdfObject

com.itextpdf.text.pdf.PdfDictionary

com.itextpdf.text.pdf.PdfFileSpecification

public class PdfFileSpecification
extends PdfDictionary

Specifies a file or an URL. The file can be extern or embedded.

Author:

Paulo Soares

Field Summary

Fields

Modifier and Type	Field	Description
protected PdfIndirectReference	ref
protected PdfWriter	writer

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

CATALOG, FONT, hashMap, OUTLINES, PAGE, PAGES

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

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

Constructor Summary

Constructors

Constructor	Description
PdfFileSpecification()	Creates a new instance of PdfFileSpecification.

Method Summary

Modifier and Type	Method	Description
void	addCollectionItem(PdfCollectionItem ci)	Adds the Collection item dictionary.
void	addDescription(String description, boolean unicode)	Adds a description for the file that is specified here.
static PdfFileSpecification	fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte[] fileStore)	Creates a file specification with the file embedded.
static PdfFileSpecification	fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte[] fileStore, boolean compress)	Creates a file specification with the file embedded.
static PdfFileSpecification	fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte[] fileStore, boolean compress, String mimeType, PdfDictionary fileParameter)	Creates a file specification with the file embedded.
static PdfFileSpecification	fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte[] fileStore, int compressionLevel)	Creates a file specification with the file embedded.
static PdfFileSpecification	fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte[] fileStore, String mimeType, PdfDictionary fileParameter, int compressionLevel)	Creates a file specification with the file embedded.
static PdfFileSpecification	fileExtern(PdfWriter writer, String filePath)	Creates a file specification for an external file.
PdfIndirectReference	getReference()	Gets the indirect reference to this file specification.
void	setMultiByteFileName(byte[] fileName)	Sets the file name (the key /F) string as an hex representation to support multi byte file names.
void	setUnicodeFileName(String filename, boolean unicode)	Adds the unicode file name (the key /UF).
void	setVolatile(boolean volatile_file)	Sets a flag that indicates whether an external file referenced by the file specification is volatile.
void	toPdf(PdfWriter writer, OutputStream os)	Writes the PDF representation of this PdfDictionary as an array of byte to the given OutputStream.
static PdfFileSpecification	url(PdfWriter writer, String url)	Creates a file specification of type URL.

Methods inherited from class java.lang.Object

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

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

checkType, clear, contains, get, getAsArray, getAsBoolean, getAsDict, getAsIndirectObject, getAsName, getAsNumber, getAsStream, getAsString, getDirectObject, getKeys, isCatalog, isFont, isOutlineTree, isPage, isPages, merge, mergeDifferent, put, putAll, putEx, remove, size, toString

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

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

Field Detail

writer

protected PdfWriter writer

ref

protected PdfIndirectReference ref

Constructor Detail

PdfFileSpecification

public PdfFileSpecification()

Creates a new instance of PdfFileSpecification. The static methods are preferred.

Method Detail

url

public static PdfFileSpecification url(PdfWriter writer,
                                       String url)

Creates a file specification of type URL.

Parameters:

writer - the PdfWriter

url - the URL

Returns:

the file specification

fileEmbedded

public static PdfFileSpecification fileEmbedded(PdfWriter writer,
                                                String filePath,
                                                String fileDisplay,
                                                byte[] fileStore)
                                         throws IOException

Creates a file specification with the file embedded. The file may come from the file system or from a byte array. The data is flate compressed.

Parameters:

writer - the PdfWriter

filePath - the file path

fileDisplay - the file information that is presented to the user

fileStore - the byte array with the file. If it is not null it takes precedence over filePath

Returns:

the file specification

Throws:

IOException - on error

fileEmbedded

public static PdfFileSpecification fileEmbedded(PdfWriter writer,
                                                String filePath,
                                                String fileDisplay,
                                                byte[] fileStore,
                                                int compressionLevel)
                                         throws IOException

Creates a file specification with the file embedded. The file may come from the file system or from a byte array. The data is flate compressed.

Parameters:

writer - the PdfWriter

filePath - the file path

fileDisplay - the file information that is presented to the user

fileStore - the byte array with the file. If it is not null it takes precedence over filePath

compressionLevel - the compression level to be used for compressing the file it takes precedence over filePath

Returns:

the file specification

Throws:

IOException - on error

Since:

2.1.3

fileEmbedded

public static PdfFileSpecification fileEmbedded(PdfWriter writer,
                                                String filePath,
                                                String fileDisplay,
                                                byte[] fileStore,
                                                boolean compress)
                                         throws IOException

Creates a file specification with the file embedded. The file may come from the file system or from a byte array.

Parameters:

writer - the PdfWriter

filePath - the file path

fileDisplay - the file information that is presented to the user

fileStore - the byte array with the file. If it is not null it takes precedence over filePath

compress - sets the compression on the data. Multimedia content will benefit little from compression

Returns:

the file specification

Throws:

IOException - on error

fileEmbedded

public static PdfFileSpecification fileEmbedded(PdfWriter writer,
                                                String filePath,
                                                String fileDisplay,
                                                byte[] fileStore,
                                                boolean compress,
                                                String mimeType,
                                                PdfDictionary fileParameter)
                                         throws IOException

Creates a file specification with the file embedded. The file may come from the file system or from a byte array.

Parameters:

writer - the PdfWriter

filePath - the file path

fileDisplay - the file information that is presented to the user

fileStore - the byte array with the file. If it is not null it takes precedence over filePath

compress - sets the compression on the data. Multimedia content will benefit little from compression

mimeType - the optional mimeType

fileParameter - the optional extra file parameters such as the creation or modification date

Returns:

the file specification

Throws:

IOException - on error

fileEmbedded

public static PdfFileSpecification fileEmbedded(PdfWriter writer,
                                                String filePath,
                                                String fileDisplay,
                                                byte[] fileStore,
                                                String mimeType,
                                                PdfDictionary fileParameter,
                                                int compressionLevel)
                                         throws IOException

Creates a file specification with the file embedded. The file may come from the file system or from a byte array.

Parameters:

writer - the PdfWriter

filePath - the file path

fileDisplay - the file information that is presented to the user

fileStore - the byte array with the file. If it is not null it takes precedence over filePath

mimeType - the optional mimeType

fileParameter - the optional extra file parameters such as the creation or modification date

compressionLevel - the level of compression

Returns:

the file specification

Throws:

IOException - on error

Since:

2.1.3

fileExtern

public static PdfFileSpecification fileExtern(PdfWriter writer,
                                              String filePath)

Creates a file specification for an external file.

Parameters:

writer - the PdfWriter

filePath - the file path

Returns:

the file specification

getReference

public PdfIndirectReference getReference()
                                  throws IOException

Gets the indirect reference to this file specification. Multiple invocations will retrieve the same value.

Returns:

the indirect reference

Throws:

IOException - on error

setMultiByteFileName

public void setMultiByteFileName(byte[] fileName)

Sets the file name (the key /F) string as an hex representation to support multi byte file names. The name must have the slash and backslash escaped according to the file specification rules

Parameters:

fileName - the file name as a byte array

setUnicodeFileName

public void setUnicodeFileName(String filename,
                               boolean unicode)

Adds the unicode file name (the key /UF). This entry was introduced in PDF 1.7. The filename must have the slash and backslash escaped according to the file specification rules.

Parameters:

filename - the filename

unicode - if true, the filename is UTF-16BE encoded; otherwise PDFDocEncoding is used;

setVolatile

public void setVolatile(boolean volatile_file)

Sets a flag that indicates whether an external file referenced by the file specification is volatile. If the value is true, applications should never cache a copy of the file.

Parameters:

volatile_file - if true, the external file should not be cached

addDescription

public void addDescription(String description,
                           boolean unicode)

Adds a description for the file that is specified here.

Parameters:

description - some text

unicode - if true, the text is added as a unicode string

addCollectionItem

public void addCollectionItem(PdfCollectionItem ci)

Adds the Collection item dictionary.

toPdf

public void toPdf(PdfWriter writer,
                  OutputStream os)
           throws IOException

Description copied from class: PdfDictionary

Writes the PDF representation of this PdfDictionary as an array of byte to the given OutputStream.

Overrides:

toPdf in class PdfDictionary

Parameters:

writer - for backwards compatibility

os - the OutputStream to write the bytes to.

Throws:

IOException