Java tutorial
/* * Copyright 2012 Switchfly * * 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. */ package com.switchfly.inputvalidation.sanitizer; import java.util.Currency; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; public class CurrencyCodeSanitizer implements Sanitizer<String> { private static final Logger _logger = Logger.getLogger(CobrandNameSanitizer.class); @Override public String execute(String content) { if (StringUtils.isBlank(content)) { return content; } try { return Currency.getInstance(StringUtils.upperCase(content)).toString(); } catch (Exception e) { HtmlSanitizer htmlSanitizer = new HtmlSanitizer(); String sanitized = htmlSanitizer.execute(content); _logger.warn("Invalid currency code (" + sanitized + "). Setting currency code to \"USD\"."); return "USD"; } } }