/* * $Id: PdfNumber.java,v 1.24 2002/07/09 11:28:23 blowagie Exp $ * $Name:  $ * * 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.lowagie.text.pdf;/** * <CODE>PdfNumber</CODE> provides two types of numbers, integer and real. * <P> * Integers may be specified by signed or unsigned constants. Reals may only be * in decimal format.<BR> * This object is described in the 'Portable Document Format Reference Manual version 1.3' * section 4.3 (page 37). * * @see		PdfObject * @see		BadPdfFormatException */public class PdfNumber extends PdfObject {    /** actual value of this <CODE>PdfNumber</CODE>, represented as a <CODE>double</CODE> */    private double value;        // constructors    /** * Constructs a <CODE>PdfNumber</CODE>-object. * * @param		content			value of the new <CODE>PdfNumber</CODE>-object */        public PdfNumber(String content) {        super(NUMBER);        try {            value = Double.valueOf(content.trim()).doubleValue();            setContent(content);        }        catch (NumberFormatException nfe){            throw new RuntimeException(content + " is not a valid number - " + nfe.toString());        }    }    /** * Constructs a new INTEGER <CODE>PdfNumber</CODE>-object. * * @param		value				value of the new <CODE>PdfNumber</CODE>-object */        public PdfNumber(int value) {        super(NUMBER);        this.value = value;        setContent(String.valueOf(value));    }    /** * Constructs a new REAL <CODE>PdfNumber</CODE>-object. * * @param		value				value of the new <CODE>PdfNumber</CODE>-object */        public PdfNumber(double value) {        super(NUMBER);        this.value = value;        setContent(ByteBuffer.formatDouble(value));    }    /** * Constructs a new REAL <CODE>PdfNumber</CODE>-object. * * @param		value				value of the new <CODE>PdfNumber</CODE>-object */        public PdfNumber(float value) {        this((double)value);    }        // methods returning the value of this object    /** * Returns the primitive <CODE>int</CODE> value of this object. * * @return		a value */        public int intValue() {        return (int) value;    }    /** * Returns the primitive <CODE>double</CODE> value of this object. * * @return		a value */        public double doubleValue() {        return value;    }        public float floatValue() {        return (float)value;    }        // other methods    /** * Increments the value of the <CODE>PdfNumber</CODE>-object with 1. */        public void increment() {        value += 1.0;        setContent(ByteBuffer.formatDouble(value));    }}