001/* 002 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved. 003 * 004 * Project and contact information: http://www.cascading.org/ 005 * 006 * This file is part of the Cascading project. 007 * 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020 021package cascading.tuple.coerce; 022 023import java.lang.reflect.Type; 024import java.math.BigDecimal; 025import java.util.Map; 026 027/** 028 * 029 */ 030public class BigDecimalCoerce extends Coercions.Coerce<BigDecimal> 031 { 032 protected BigDecimalCoerce( Map<Type, Coercions.Coerce> map ) 033 { 034 super( map ); 035 } 036 037 @Override 038 public Class<BigDecimal> getCanonicalType() 039 { 040 return BigDecimal.class; 041 } 042 043 @Override 044 public BigDecimal coerce( Object value ) 045 { 046 if( value instanceof Double ) 047 return BigDecimal.valueOf( (Double) value ); 048 else if( value instanceof Long ) 049 return BigDecimal.valueOf( (Long) value ); 050 else if( value == null || value.toString().isEmpty() ) 051 return null; 052 else 053 return new BigDecimal( value.toString() ); 054 } 055 }