Here you can find the source of getBigDecimal(Object value)
public static BigDecimal getBigDecimal(Object value)
//package com.java2s; /*//w w w . j a va 2s. c o m * Copyright 2010 Red Hat, Inc. and/or its affiliates. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.math.BigDecimal; import java.math.BigInteger; public class Main { public static BigDecimal getBigDecimal(Object value) { BigDecimal ret = null; if (value != null) { if (value instanceof BigDecimal) { ret = (BigDecimal) value; } else if (value instanceof String) { ret = new BigDecimal((String) value); } else if (value instanceof BigInteger) { ret = new BigDecimal((BigInteger) value); } else if (value instanceof Number) { ret = new BigDecimal(((Number) value).doubleValue()); } else { throw new ClassCastException("Not possible to coerce [" + value + "] from class " + value.getClass() + " into a BigDecimal."); } } return ret; } }