at.gv.egiz.pdfas.lib.impl.placeholder

Class SignaturePlaceholderExtractor

java.lang.Object

org.apache.pdfbox.util.PDFStreamEngine

at.gv.egiz.pdfas.lib.impl.placeholder.SignaturePlaceholderExtractor

public class SignaturePlaceholderExtractor
extends org.apache.pdfbox.util.PDFStreamEngine

Extract all relevant information from a placeholder image.

Field Summary

Fields

Modifier and Type	Field and Description
static int	PLACEHOLDER_MATCH_MODE_LENIENT
static int	PLACEHOLDER_MATCH_MODE_MODERATE
static int	PLACEHOLDER_MATCH_MODE_STRICT
static String	QR_PLACEHOLDER_IDENTIFIER

Method Summary

Methods

Modifier and Type	Method and Description
static SignaturePlaceholderData	extract(InputStream inputStream, String placeholderId, int matchMode) Search the document for placeholder images and possibly included additional info. Searches only for the first placeholder page after page from top.
protected void	processOperator(org.apache.pdfbox.util.PDFOperator operator, List arguments)

Methods inherited from class org.apache.pdfbox.util.PDFStreamEngine

getColorSpaces, getCurrentPage, getFonts, getGraphicsStack, getGraphicsState, getGraphicsStates, getResources, getTextLineMatrix, getTextMatrix, getTotalCharCnt, getValidCharCnt, getXObjects, inspectFontEncoding, isForceParsing, processEncodedText, processOperator, processStream, processSubStream, processTextPosition, registerOperatorProcessor, resetEngine, setColorSpaces, setFonts, setForceParsing, setGraphicsStack, setGraphicsState, setGraphicsStates, setTextLineMatrix, setTextMatrix

Methods inherited from class java.lang.Object

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

Field Detail

QR_PLACEHOLDER_IDENTIFIER

public static final String QR_PLACEHOLDER_IDENTIFIER

See Also:

Constant Field Values

PLACEHOLDER_MATCH_MODE_STRICT

public static final int PLACEHOLDER_MATCH_MODE_STRICT

See Also:

Constant Field Values

PLACEHOLDER_MATCH_MODE_MODERATE

public static final int PLACEHOLDER_MATCH_MODE_MODERATE

See Also:

Constant Field Values

PLACEHOLDER_MATCH_MODE_LENIENT

public static final int PLACEHOLDER_MATCH_MODE_LENIENT

See Also:

Constant Field Values

Method Detail

extract

public static SignaturePlaceholderData extract(InputStream inputStream,
                               String placeholderId,
                               int matchMode)
                                        throws at.gv.egiz.pdfas.common.exceptions.PdfAsException

Search the document for placeholder images and possibly included additional info.
Searches only for the first placeholder page after page from top.

Parameters:

inputStream -

Returns:

all available info from the first found placeholder.

Throws:

PDFDocumentException - if the document could not be read.

at.gv.egiz.pdfas.common.exceptions.PlaceholderExtractionException - if STRICT matching mode was requested and no suitable placeholder could be found.

at.gv.egiz.pdfas.common.exceptions.PdfAsException

processOperator

protected void processOperator(org.apache.pdfbox.util.PDFOperator operator,
                   List arguments)
                        throws IOException

Overrides:

processOperator in class org.apache.pdfbox.util.PDFStreamEngine

Throws:

IOException