From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall Date: Fri, 1 Dec 2006 12:20:24 +0000 Subject: Initial import of release 2.2. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- src/main/java/org/pdfbox/cos/COSNumber.java | 115 ++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 src/main/java/org/pdfbox/cos/COSNumber.java (limited to 'src/main/java/org/pdfbox/cos/COSNumber.java') diff --git a/src/main/java/org/pdfbox/cos/COSNumber.java b/src/main/java/org/pdfbox/cos/COSNumber.java new file mode 100644 index 0000000..c629f66 --- /dev/null +++ b/src/main/java/org/pdfbox/cos/COSNumber.java @@ -0,0 +1,115 @@ +/** + * Copyright (c) 2003, www.pdfbox.org + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of pdfbox; nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * http://www.pdfbox.org + * + */ +package org.pdfbox.cos; + +import java.io.IOException; + +import java.util.HashMap; +import java.util.Map; + +/** + * This class represents an abstract number in a PDF document. + * + * @author Ben Litchfield (ben@csh.rit.edu) + * @version $Revision: 1.9 $ + */ +public abstract class COSNumber extends COSBase +{ + /** + * ZERO. + */ + public static final COSInteger ZERO = new COSInteger( 0 ); + /** + * ONE. + */ + public static final COSInteger ONE = new COSInteger( 1 ); + private static final Map COMMON_NUMBERS = new HashMap(); + + static + { + COMMON_NUMBERS.put( "0", ZERO ); + COMMON_NUMBERS.put( "1", ONE ); + } + + /** + * This will get the float value of this number. + * + * @return The float value of this object. + */ + public abstract float floatValue(); + + /** + * This will get the double value of this number. + * + * @return The double value of this number. + */ + public abstract double doubleValue(); + + /** + * This will get the integer value of this number. + * + * @return The integer value of this number. + */ + public abstract int intValue(); + + /** + * This will get the long value of this number. + * + * @return The long value of this number. + */ + public abstract long longValue(); + + /** + * This factory method will get the appropriate number object. + * + * @param number The string representation of the number. + * + * @return A number object, either float or int. + * + * @throws IOException If the string is not a number. + */ + public static COSNumber get( String number ) throws IOException + { + COSNumber result = (COSNumber)COMMON_NUMBERS.get( number ); + if( result == null ) + { + if (number.indexOf('.') >= 0) + { + result = new COSFloat( number ); + } + else + { + result = new COSInteger( number ); + } + } + return result; + } +} \ No newline at end of file -- cgit v1.2.3