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/*
* $Id: PdfBoolean.java,v 1.22 2002/06/20 13:28:22 blowagie Exp $
* $Name: $
*
* Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
*
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.pdf;
/**
* <CODE>PdfBoolean</CODE> is the boolean object represented by the keywords <VAR>true</VAR> or <VAR>false</VAR>.
* <P>
* This object is described in the 'Portable Document Format Reference Manual version 1.3'
* section 4.2 (page 37).
*
* @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 <CODE>PdfBoolean</CODE> */
public static final String TRUE = "true";
/** A possible value of <CODE>PdfBoolean</CODE> */
public static final String FALSE = "false";
// membervariables
/** the boolean value of this object */
private boolean value;
// constructors
/**
* Constructs a <CODE>PdfBoolean</CODE>-object.
*
* @param value the value of the new <CODE>PdfObject</CODE>
*/
public PdfBoolean(boolean value) {
super(BOOLEAN);
if (value) {
setContent(TRUE);
}
else {
setContent(FALSE);
}
this.value = value;
}
/**
* Constructs a <CODE>PdfBoolean</CODE>-object.
*
* @param value the value of the new <CODE>PdfObject</CODE>, represented as a <CODE>String</CODE>
*
* @throws BadPdfFormatException thrown if the <VAR>value</VAR> isn't '<CODE>true</CODE>' or '<CODE>false</CODE>'
*/
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("The value has to be 'true' of 'false', instead of '" + value + "'.");
}
}
// methods returning the value of this object
/**
* Returns the primitive value of the <CODE>PdfBoolean</CODE>-object.
*
* @return the actual value of the object.
*/
public boolean booleanValue() {
return value;
}
}
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