Package org.loboevolution.pdfview.action

Class PdfObjectParseUtil

java.lang.Object

org.loboevolution.pdfview.action.PdfObjectParseUtil

public class PdfObjectParseUtil
extends Object

************************************************************************** Utility class for parsing values from a PDFObject

Author Katja Sondermann

Since:

08.07.2009 **************************************************************************

Constructor Summary

Constructors

Constructor	Description
PdfObjectParseUtil()

Method Summary

Modifier and Type	Method	Description
static boolean	parseBooleanFromDict(String key, PDFObject parent, boolean mandatory)	********************************************************************** Parse a Boolean value with the given key from parent object.
static PDFDestination	parseDestination(String key, PDFObject parent, PDFObject root, boolean mandatory)	********************************************************************** Parse a destination object
static int	parseIntegerFromDict(String key, PDFObject parent, boolean mandatory)	********************************************************************** Parse a integer value with the given key from parent object.
static String	parseStringFromDict(String key, PDFObject parent, boolean mandatory)	********************************************************************** Parse a String value with the given key from parent object.

Methods inherited from class java.lang.Object

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

Constructor Details

PdfObjectParseUtil

public PdfObjectParseUtil()

Method Details

parseStringFromDict

public static String parseStringFromDict(String key,
 PDFObject parent,
 boolean mandatory)
                                  throws IOException

********************************************************************** Parse a String value with the given key from parent object. If it's mandatory and not available, an exception will be thrown.

Parameters:

key - a String object.

parent - a PDFObject object.

mandatory - a boolean.

Returns:

String - can be null if not mandatory

Throws:

IOException - if any.

parseBooleanFromDict

public static boolean parseBooleanFromDict(String key,
 PDFObject parent,
 boolean mandatory)
                                    throws IOException

********************************************************************** Parse a Boolean value with the given key from parent object. If it's mandatory and not available, an exception will be thrown.

Parameters:

key - a String object.

parent - a PDFObject object.

mandatory - a boolean.

Returns:

boolean - false if not available and not mandatory

Throws:

IOException - if any.

parseIntegerFromDict

public static int parseIntegerFromDict(String key,
 PDFObject parent,
 boolean mandatory)
                                throws IOException

********************************************************************** Parse a integer value with the given key from parent object. If it's mandatory and not available, an exception will be thrown.

Parameters:

key - a String object.

parent - a PDFObject object.

mandatory - a boolean.

Returns:

int - returns "0" in case the value is not a number

Throws:

IOException - if any.

parseDestination

public static PDFDestination parseDestination(String key,
 PDFObject parent,
 PDFObject root,
 boolean mandatory)
                                       throws IOException

********************************************************************** Parse a destination object

Parameters:

key - a String object.

parent - a PDFObject object.

root - a PDFObject object.

mandatory - a boolean.

Returns:

PDFDestination - can be null if not mandatory

Throws:

IOException - if any.