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/*
* $Id: PdfNumber.java,v 1.24 2002/07/09 11:28:23 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>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));
}
}
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