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1 /* 2 * Copyright (C) The Spice Group. All rights reserved. 3 * 4 * This software is published under the terms of the Spice 5 * Software License version 1.1, a copy of which has been included 6 * with this distribution in the LICENSE.txt file. 7 */ 8 package org.codehaus.spice.converter.lib; 9 10 import org.codehaus.spice.converter.AbstractConverter; 11 import org.codehaus.spice.converter.ConverterException; 12 13 /*** 14 * String to Long converter. 15 * 16 * <p>Hexadecimal numbers begin with 0x, Octal numbers begin with 0o and binary 17 * numbers begin with 0b, all other values are assumed to be decimal.</p> 18 * 19 * @author Peter Donald 20 * @version $Revision: 1.1 $ $Date: 2003/12/02 08:37:56 $ 21 */ 22 public class StringToLongConverter 23 extends AbstractConverter 24 { 25 /*** 26 * Construct the converter. 27 */ 28 public StringToLongConverter() 29 { 30 this( null ); 31 } 32 33 /*** 34 * Construct the converter with a default value. 35 * If the default value is non-null, it will be returned if unable 36 * to convert object to correct type. 37 * 38 * @param defaultValue the default value 39 */ 40 public StringToLongConverter( final Long defaultValue ) 41 { 42 super( String.class, Long.class, defaultValue ); 43 } 44 45 /*** 46 * Converts a String to a Long. 47 * 48 * @param object the original object to convert 49 * @param context the context in which to convert object (unused) 50 * @return the converted object 51 * @throws ConverterException if error converting object 52 */ 53 public Object convert( final Object object, final Object context ) 54 throws ConverterException 55 { 56 try 57 { 58 final String value = (String)object; 59 return Long.decode( value ); 60 } 61 catch( final NumberFormatException nfe ) 62 { 63 return noConvert( object, nfe ); 64 } 65 } 66 } 67

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