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/*
* $Id: PdfBoolean.java 3373 2008-05-12 16:21:24Z xlv $
*
* Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* 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.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or 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.
*
* 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.aowagie.text.pdf;
/**
* 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);
static final PdfBoolean PDFFALSE = new PdfBoolean(false);
/** A possible value of PdfBoolean */
private static final String TRUE = "true";
/** A possible value of PdfBoolean */
private 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(final 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'
*/
PdfBoolean(final 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 PdfBoolean-object.
*
* @return the actual value of the object.
*/
boolean booleanValue() {
return this.value;
}
@Override
public String toString() {
return this.value ? TRUE : FALSE;
}
}