Java tutorial
/* * Licensed to csti consulting * You may obtain a copy of the License at * * http://www.csticonsulting.com * Copyright (c) 2006-Aug 24, 2010 Consultation CS-TI inc. * * 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 com.salesmanager.core.module.impl.application.currencies; import java.math.BigDecimal; import java.text.NumberFormat; import java.util.Locale; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.lang.StringUtils; import org.apache.commons.validator.routines.BigDecimalValidator; import org.apache.commons.validator.routines.CurrencyValidator; import com.opensymphony.xwork2.validator.ValidationException; import com.salesmanager.core.entity.reference.Currency; import com.salesmanager.core.module.impl.common.CurrencyModuleUtil; import com.salesmanager.core.module.model.application.CurrencyModule; public class USDCurrencyModule implements CurrencyModule { protected final static char DOLLAR = '\u0024'; private static Pattern pattern = Pattern.compile("\\d{1,3}(,?\\d{3})*(\\.\\d{1,2})"); private Currency currency; private String suffix; public String getSuffix() { return suffix; } public void setCurrency(Currency currency) { this.currency = currency; if (!StringUtils.isBlank(currency.getSuffix())) { suffix = currency.getSuffix(); } } public String getMeasure(BigDecimal measure, String currencycode) throws Exception { NumberFormat nf = null; nf = NumberFormat.getInstance(Locale.US); nf.setMaximumFractionDigits(1); nf.setMinimumFractionDigits(1); measure.setScale(1, BigDecimal.ROUND_HALF_UP); return nf.format(measure); } public BigDecimal getAmount(String amount) throws Exception { if (!amount.contains(",") && !amount.contains(".") && !amount.contains(" ")) { if (CurrencyModuleUtil.matchPositiveInteger(amount)) { BigDecimalValidator validator = CurrencyValidator.getInstance(); BigDecimal bdamount = validator.validate(amount, Locale.US); if (bdamount == null) { throw new ValidationException("Cannot parse " + amount); } else { return bdamount; } } else { throw new ValidationException("Cannot parse " + amount); } } else { Matcher matcher = pattern.matcher(amount); if (matcher.matches()) { BigDecimalValidator validator = CurrencyValidator.getInstance(); BigDecimal bdamount = validator.validate(amount, Locale.US); return bdamount; } else { throw new ValidationException("Cannot parse " + amount); } } } public String getFormatedAmount(BigDecimal amount) throws Exception { NumberFormat nf = null; nf = NumberFormat.getInstance(Locale.US); nf.setMaximumFractionDigits(2); nf.setMinimumFractionDigits(2); return nf.format(amount); } public String getFormatedAmountWithCurrency(BigDecimal amount) throws Exception { String returnamount = getFormatedAmount(amount); char display = DOLLAR; StringBuffer ret = new StringBuffer().append(display).append("").append(returnamount); if (this.getSuffix() != null) { ret.append(" ").append(this.getSuffix()); } return ret.toString(); } public String getFormatedAmountWithCurrency(BigDecimal amount, String amountCssClassName) throws Exception { String returnamount = getFormatedAmount(amount); char display = DOLLAR; StringBuffer ret = new StringBuffer().append(display).append("<font class='").append(amountCssClassName) .append("'>").append(returnamount); if (this.getSuffix() != null) { ret.append(" ").append(this.getSuffix()); } ret.append("</font>"); return ret.toString(); } public String getCurrencySymbol() { return Character.toString(DOLLAR); } }