Java tutorial
/***************************************************************************** * Copyright 2011 , UT-Battelle, LLC All rights reserved * * OPEN SOURCE LICENSE * * Subject to the conditions of this License, UT-Battelle, LLC (the * "Licensor") hereby grants to any person (the "Licensee") obtaining a copy * of this software and associated documentation files (the "Software"), a * perpetual, worldwide, non-exclusive, irrevocable copyright license to use, * copy, modify, merge, publish, distribute, and/or sublicense copies of the * Software. * * 1. Redistributions of Software must retain the above open source license * grant, copyright and license notices, this list of conditions, and the * disclaimer listed below. Changes or modifications to, or derivative works * of the Software must be noted with comments and the contributor and * organization's name. 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The user assumes responsibility for all * liabilities, penalties, fines, claims, causes of action, and costs and * expenses, caused by, resulting from or arising out of, in whole or in part * the use, storage or disposal of the SOFTWARE. * * ******************************************************************************/ /** * On request mapping: * * url rewrite filter will take over first, then we do regular Spring mapping. * RedirectView is discouraged here as it will mess up the current rewrite * rule, use "redirect:" prefix instead, and it is regarded as a better alternative * anyway. * * For any redirect trouble, please refers to ROOT/urlrewrite.xml * * @author Neill Miller (neillm@mcs.anl.gov), Feiyi Wang (fwang2@ornl.gov) * */ package org.esgf.globusonline; import java.net.URI; import java.util.HashMap; import java.util.Map; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import org.openid4java.discovery.yadis.YadisException; import esg.common.util.ESGFProperties; import esg.node.security.UserInfo; import esg.node.security.UserInfoCredentialedDAO; import esg.node.security.UserInfoDAO; import org.apache.log4j.Logger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; @Controller @RequestMapping(value = "/goformview1") public class GOFormView1Controller { private final static Logger LOG = Logger.getLogger(GOFormView1Controller.class); private final static String GOFORMVIEW_MODEL = "GoFormView_model"; private final static String GOFORMVIEW_DATASET_NAME = "GoFormView_Dataset_Name"; private final static String GOFORMVIEW_FILE_URLS = "GoFormView_File_Urls"; private final static String GOFORMVIEW_FILE_NAMES = "GoFormView_File_Names"; private final static String GOFORMVIEW_ERROR = "GoFormView_Error"; private final static String GOFORMVIEW_ERROR_MSG = "GoFormView_ErrorMsg"; private final static String GOFORMVIEW_MYPROXY_SERVER = "GoFormView_Myproxy_Server"; private final static String GOFORMVIEW_SRC_MYPROXY_USER = "GoFormView_SrcMyproxyUser"; public GOFormView1Controller() { } @SuppressWarnings("unchecked") @RequestMapping(method = RequestMethod.POST) public ModelAndView doPost(final HttpServletRequest request) { //grab the dataset name, file names and urls from the query string String dataset_name = request.getParameter("id"); String[] file_names = request.getParameterValues("child_id"); String[] file_urls = request.getParameterValues("child_url"); Map<String, Object> model = new HashMap<String, Object>(); String myproxyServerStr = null; try { //get the openid here from the cookie Cookie[] cookies = request.getCookies(); String openId = ""; for (int i = 0; i < cookies.length; i++) { if (cookies[i].getName().equals("esgf.idp.cookie")) { openId = cookies[i].getValue(); } } LOG.debug("Got User OpenID: " + openId); myproxyServerStr = Utils.resolveMyProxyViaOpenID(openId); LOG.debug("Using MyProxy Server: " + myproxyServerStr); ESGFProperties esgfProperties = new ESGFProperties(); UserInfoDAO uid = new UserInfoDAO(esgfProperties); UserInfo userInfo = uid.getUserByOpenid(openId); String myproxyUserName = userInfo.getUserName(); LOG.debug("Got MyProxy Username: " + myproxyUserName); //System.out.println("Got MyProxy Username: " + myproxyUserName); if (request.getParameter(GOFORMVIEW_MODEL) != null) { //it should never come here... } else { //place the dataset name, file names and urls into the model model.put(GOFORMVIEW_MYPROXY_SERVER, myproxyServerStr); model.put(GOFORMVIEW_SRC_MYPROXY_USER, myproxyUserName); model.put(GOFORMVIEW_FILE_URLS, file_urls); model.put(GOFORMVIEW_FILE_NAMES, file_names); model.put(GOFORMVIEW_DATASET_NAME, dataset_name); } } catch (YadisException ye) { String eMsg = ye.toString(); if (eMsg.indexOf("0x702") != -1) { model.put(GOFORMVIEW_ERROR, "error"); model.put(GOFORMVIEW_ERROR_MSG, "Please <a href=\"login\">Login</a>" + " before trying to download data!"); } else { String errorMsg = "Failed to resolve OpenID: " + ye; LOG.error("Failed to resolve OpenID: " + ye); model.put(GOFORMVIEW_ERROR, "error"); model.put(GOFORMVIEW_ERROR_MSG, errorMsg + "<br><br>Please make sure that you're" + " logged in as a valid user before trying to download data!<br><br>"); } } catch (Exception e) { String errorMsg = "Failed to resolve OpenID: " + e; LOG.error("Failed to resolve OpenID: " + e); model.put(GOFORMVIEW_ERROR, "error"); model.put(GOFORMVIEW_ERROR_MSG, errorMsg + "<br><br>Please make sure that you're" + " logged in as a valid user before trying to download data!<br><br>"); } return new ModelAndView("goformview1", model); } }