Java tutorial
package org.focusns.common.web; /* * #%L * FocusSNS Runtime * %% * Copyright (C) 2011 - 2013 FocusSNS * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 2.1 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-2.1.html>. * #L% */ import java.util.LinkedHashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.MediaType; import org.springframework.http.ResponseEntity; import org.springframework.util.StringUtils; public abstract class WebUtils { public static Map<String, String> getMatrixParameters(HttpServletRequest request) { // Map<String, String> parameterMap = new LinkedHashMap<String, String>(); // String requestUri = request.getRequestURI(); if (requestUri.contains(";")) { String paramsString = requestUri.substring(requestUri.indexOf(";") + 1); String[] paramsPair = new String[] { paramsString }; if (paramsString.contains(",")) { paramsPair = StringUtils.tokenizeToStringArray(paramsString, ","); } for (String paramPair : paramsPair) { String[] nameAndValue = StringUtils.split(paramPair, "="); parameterMap.put(nameAndValue[0], nameAndValue[1]); } } return parameterMap; } public static <T> ResponseEntity<T> getResponseEntity(T body, MediaType mediaType) { HttpHeaders httpHeaders = new HttpHeaders(); httpHeaders.setContentType(mediaType); if (body instanceof byte[]) { httpHeaders.setContentLength(((byte[]) body).length); } return new ResponseEntity<T>(body, httpHeaders, HttpStatus.OK); } }