| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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. |
| ==================================================================== */ |
| |
| package org.apache.poi.ss.formula.functions; |
| |
| import java.math.BigDecimal; |
| import java.math.RoundingMode; |
| import java.text.DecimalFormat; |
| import java.text.NumberFormat; |
| import java.util.Locale; |
| |
| import org.apache.poi.ss.formula.eval.BoolEval; |
| import org.apache.poi.ss.formula.eval.ErrorEval; |
| import org.apache.poi.ss.formula.eval.EvaluationException; |
| import org.apache.poi.ss.formula.eval.NumberEval; |
| import org.apache.poi.ss.formula.eval.OperandResolver; |
| import org.apache.poi.ss.formula.eval.StringEval; |
| import org.apache.poi.ss.formula.eval.ValueEval; |
| |
| public final class Fixed implements Function1Arg, Function2Arg, Function3Arg { |
| @Override |
| public ValueEval evaluate( |
| int srcRowIndex, int srcColumnIndex, |
| ValueEval arg0, ValueEval arg1, ValueEval arg2) { |
| return fixed(arg0, arg1, arg2, srcRowIndex, srcColumnIndex); |
| } |
| |
| @Override |
| public ValueEval evaluate( |
| int srcRowIndex, int srcColumnIndex, ValueEval arg0, ValueEval arg1) { |
| return fixed(arg0, arg1, BoolEval.FALSE, srcRowIndex, srcColumnIndex); |
| } |
| |
| @Override |
| public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0) { |
| return fixed(arg0, new NumberEval(2), BoolEval.FALSE, srcRowIndex, srcColumnIndex); |
| } |
| |
| @Override |
| public ValueEval evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex) { |
| switch (args.length) { |
| case 1: |
| return fixed(args[0], new NumberEval(2), BoolEval.FALSE, |
| srcRowIndex, srcColumnIndex); |
| case 2: |
| return fixed(args[0], args[1], BoolEval.FALSE, |
| srcRowIndex, srcColumnIndex); |
| case 3: |
| return fixed(args[0], args[1], args[2], srcRowIndex, srcColumnIndex); |
| } |
| return ErrorEval.VALUE_INVALID; |
| } |
| |
| @SuppressWarnings("squid:S2111") |
| private ValueEval fixed( |
| ValueEval numberParam, ValueEval placesParam, |
| ValueEval skipThousandsSeparatorParam, |
| int srcRowIndex, int srcColumnIndex) { |
| try { |
| ValueEval numberValueEval = |
| OperandResolver.getSingleValue( |
| numberParam, srcRowIndex, srcColumnIndex); |
| BigDecimal number = |
| new BigDecimal(OperandResolver.coerceValueToDouble(numberValueEval)); |
| ValueEval placesValueEval = |
| OperandResolver.getSingleValue( |
| placesParam, srcRowIndex, srcColumnIndex); |
| int places = OperandResolver.coerceValueToInt(placesValueEval); |
| ValueEval skipThousandsSeparatorValueEval = |
| OperandResolver.getSingleValue( |
| skipThousandsSeparatorParam, srcRowIndex, srcColumnIndex); |
| Boolean skipThousandsSeparator = |
| OperandResolver.coerceValueToBoolean( |
| skipThousandsSeparatorValueEval, false); |
| |
| // Round number to respective places. |
| number = number.setScale(places, RoundingMode.HALF_UP); |
| |
| // Format number conditionally using a thousands separator. |
| NumberFormat nf = NumberFormat.getNumberInstance(Locale.US); |
| DecimalFormat formatter = (DecimalFormat)nf; |
| formatter.setGroupingUsed(!(skipThousandsSeparator != null && skipThousandsSeparator)); |
| formatter.setMinimumFractionDigits(Math.max(places, 0)); |
| formatter.setMaximumFractionDigits(Math.max(places, 0)); |
| String numberString = formatter.format(number.doubleValue()); |
| |
| // Return the result as a StringEval. |
| return new StringEval(numberString); |
| } catch (EvaluationException e) { |
| return e.getErrorEval(); |
| } |
| } |
| } |