001 /* 002 * Copyright 2004 The Apache Software Foundation 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package org.apache.commons.convert.conversion; 017 018 import org.apache.commons.convert.ConversionFactory; 019 import org.apache.commons.convert.Converter; 020 021 /** 022 * Conversion from Number to Integer using <code>intValue()</code>. 023 * 024 * @author Stephen Colebourne 025 * @version $Id: NumberToIntegerConversionFactory.java 155441 2005-02-26 13:19:22Z dirkv $ 026 * @since 1.0 027 */ 028 public class NumberToIntegerConversionFactory extends AbstractConversionFactory { 029 030 /** Singleton instance of this factory */ 031 public static final ConversionFactory INSTANCE = new NumberToIntegerConversionFactory(); 032 033 /** 034 * Restricted constructor. 035 */ 036 protected NumberToIntegerConversionFactory() { 037 super(Number.class, Integer.class); 038 } 039 040 //----------------------------------------------------------------------- 041 /** 042 * Convert the non-null Number to an Integer using <code>intValue()</code>. 043 * 044 * @param value the input value to be converted, pre-checked to not be null 045 * @param converter the converter being used, not null 046 * @return the converted value 047 * @throws RuntimeException if conversion fails 048 */ 049 protected Object convertValue(Object value, Converter converter) { 050 return new Integer(((Number) value).intValue()); 051 } 052 053 }