com.itextpdf.text.pdf.PdfBoolean Maven / Gradle / Ivy
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*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
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package com.itextpdf.text.pdf;
import com.itextpdf.text.error_messages.MessageLocalization;
/**
* PdfBoolean is the boolean object represented by the keywords true or false.
*
* This object is described in the 'Portable Document Format Reference Manual version 1.7'
* section 3.2.1 (page 52).
*
* @see PdfObject
* @see BadPdfFormatException
*/
public class PdfBoolean extends PdfObject {
// static membervariables (possible values of a boolean object)
public static final PdfBoolean PDFTRUE = new PdfBoolean(true);
public static final PdfBoolean PDFFALSE = new PdfBoolean(false);
/** A possible value of PdfBoolean */
public static final String TRUE = "true";
/** A possible value of PdfBoolean */
public static final String FALSE = "false";
// membervariables
/** the boolean value of this object */
private boolean value;
// constructors
/**
* Constructs a PdfBoolean-object.
*
* @param value the value of the new PdfObject
*/
public PdfBoolean(boolean value) {
super(BOOLEAN);
if (value) {
setContent(TRUE);
}
else {
setContent(FALSE);
}
this.value = value;
}
/**
* Constructs a PdfBoolean-object.
*
* @param value the value of the new PdfObject, represented as a String
*
* @throws BadPdfFormatException thrown if the value isn't 'true' or 'false'
*/
public PdfBoolean(String value) throws BadPdfFormatException {
super(BOOLEAN, value);
if (value.equals(TRUE)) {
this.value = true;
}
else if (value.equals(FALSE)) {
this.value = false;
}
else {
throw new BadPdfFormatException(MessageLocalization.getComposedMessage("the.value.has.to.be.true.of.false.instead.of.1", value));
}
}
// methods returning the value of this object
/**
* Returns the primitive value of the PdfBoolean-object.
*
* @return the actual value of the object.
*/
public boolean booleanValue() {
return value;
}
public String toString() {
return value ? TRUE : FALSE;
}
}