com.lowagie.text.pdf

Class PdfContentParser

java.lang.Object

com.lowagie.text.pdf.PdfContentParser

public class PdfContentParser
extends java.lang.Object

Parses the page or template content.

Author:

Paulo Soares (psoares@consiste.pt)

Field Summary

Fields

Modifier and Type	Field and Description
static int	COMMAND_TYPE Commands have this type.
private PRTokeniser	tokeniser Holds value of property tokeniser.

Constructor Summary

Constructors

Constructor and Description
PdfContentParser(PRTokeniser tokeniser) Creates a new instance of PdfContentParser

Method Summary

Methods

Modifier and Type	Method and Description
PRTokeniser	getTokeniser() Gets the tokeniser.
boolean	nextValidToken() Reads the next token skipping over the comments.
java.util.ArrayList	parse(java.util.ArrayList ls) Parses a single command from the content.
PdfArray	readArray() Reads an array.
PdfDictionary	readDictionary() Reads a dictionary.
PdfObject	readPRObject() Reads a pdf object.
void	setTokeniser(PRTokeniser tokeniser) Sets the tokeniser.

Methods inherited from class java.lang.Object

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

Field Detail

COMMAND_TYPE

public static final int COMMAND_TYPE

Commands have this type.

See Also:

Constant Field Values

tokeniser

private PRTokeniser tokeniser

Holds value of property tokeniser.

Constructor Detail

PdfContentParser

public PdfContentParser(PRTokeniser tokeniser)

Creates a new instance of PdfContentParser

Parameters:

tokeniser - the tokeniser with the content

Method Detail

parse

public java.util.ArrayList parse(java.util.ArrayList ls)
                          throws java.io.IOException

Parses a single command from the content. Each command is output as an array of arguments having the command itself as the last element. The returned array will be empty if the end of content was reached.

Parameters:

ls - an ArrayList to use. It will be cleared before using. If it's null will create a new ArrayList

Returns:

the same ArrayList given as argument or a new one

Throws:

java.io.IOException - on error

getTokeniser

public PRTokeniser getTokeniser()

Gets the tokeniser.

Returns:

the tokeniser.

setTokeniser

public void setTokeniser(PRTokeniser tokeniser)

Sets the tokeniser.

Parameters:

tokeniser - the tokeniser

readDictionary

public PdfDictionary readDictionary()
                             throws java.io.IOException

Reads a dictionary. The tokeniser must be positioned past the "<<" token.

Returns:

the dictionary

Throws:

java.io.IOException - on error

readArray

public PdfArray readArray()
                   throws java.io.IOException

Reads an array. The tokeniser must be positioned past the "[" token.

Returns:

an array

Throws:

java.io.IOException - on error

readPRObject

public PdfObject readPRObject()
                       throws java.io.IOException

Reads a pdf object.

Returns:

the pdf object

Throws:

java.io.IOException - on error

nextValidToken

public boolean nextValidToken()
                       throws java.io.IOException

Reads the next token skipping over the comments.

Returns:

true if a token was read, false if the end of content was reached

Throws:

java.io.IOException - on error