Java tutorial
package com.khs.sherpa.parser; /* * Copyright 2012 the original author or authors. * * 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 org.apache.commons.lang3.StringEscapeUtils; import com.khs.sherpa.annotation.Encode; import com.khs.sherpa.annotation.Param; import com.khs.sherpa.util.SettingsContext; public class StringParamParser implements ParamParser<String> { public String parse(String value, Param annotation, Class<?> clazz) { String format = annotation.format(); if (format == null || format.equals("")) { format = SettingsContext.getSettings().encode; } return this.applyEncoding(value, format); } public boolean isValid(Class<?> clazz) { return clazz.isAssignableFrom(String.class); } private String applyEncoding(String value, String format) { String result = value; if (format != null) { if (format.equals(Encode.XML)) { result = StringEscapeUtils.escapeXml(value); } else if (format.equals(Encode.HTML)) { result = StringEscapeUtils.escapeHtml4(value); } else if (format.equals(Encode.CSV)) { result = StringEscapeUtils.escapeCsv(value); } } return result; } }