Mercurial > hg > LGDataverses

annotate DVN-web/src/main/java/de/mpiwg/monographs/servlet/SaveResource.java @ 4:9b408c9b05ab

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Integration with LGServices.
author "jurzua <jurzua@mpiwg-berlin.mpg.de>"
date Thu, 07 May 2015 14:56:46 +0200
parents 2ae72563a29d
children
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1 package de.mpiwg.monographs.servlet;
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2
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3 import java.io.File;
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4 import java.io.FileOutputStream;
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5 import java.io.IOException;
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6 import java.io.PrintWriter;
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7 import java.util.ArrayList;
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8 import java.util.HashMap;
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9 import java.util.Iterator;
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10 import java.util.List;
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11 import java.util.Map;
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12 import java.util.logging.Level;
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13 import java.util.logging.Logger;
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14
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15 import javax.ejb.EJB;
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16 import javax.ejb.EJBException;
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17 import javax.inject.Inject;
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18 import javax.naming.Context;
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19 import javax.naming.InitialContext;
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20 import javax.naming.NamingException;
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21 import javax.servlet.ServletException;
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22 import javax.servlet.ServletInputStream;
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23 import javax.servlet.http.HttpServletRequest;
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24 import javax.servlet.http.HttpServletResponse;
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25 import javax.servlet.http.Part;
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26
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27 import org.apache.commons.collections.map.HashedMap;
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28 import org.apache.commons.fileupload.FileItem;
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29 import org.apache.commons.fileupload.disk.DiskFileItemFactory;
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30 import org.apache.commons.fileupload.servlet.ServletFileUpload;
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31 import org.apache.commons.lang.StringUtils;
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32 import org.codehaus.jettison.json.JSONException;
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33 import org.codehaus.jettison.json.JSONObject;
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34 import org.swordapp.server.AuthCredentials;
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35 import org.swordapp.server.DepositReceipt;
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36 import org.swordapp.server.ServiceDocumentAPI;
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37 import org.swordapp.server.SwordAuthException;
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38 import org.swordapp.server.SwordError;
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39 import org.swordapp.server.SwordServerException;
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40 import org.swordapp.server.UriRegistry;
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41 import org.swordapp.server.servlets.SwordServlet;
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42
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43 import edu.harvard.iq.dvn.api.datadeposit.ReceiptGenerator;
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44 import edu.harvard.iq.dvn.api.datadeposit.ServiceDocumentManagerImpl;
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45 import edu.harvard.iq.dvn.api.datadeposit.SwordAuth;
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46 import edu.harvard.iq.dvn.api.datadeposit.UrlManager;
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47 import edu.harvard.iq.dvn.core.admin.VDCUser;
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48 import edu.harvard.iq.dvn.core.study.EditStudyService;
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49 import edu.harvard.iq.dvn.core.study.Study;
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50 import edu.harvard.iq.dvn.core.study.StudyFileEditBean;
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51 import edu.harvard.iq.dvn.core.study.StudyFileServiceLocal;
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52 import edu.harvard.iq.dvn.core.study.StudyServiceLocal;
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53 import edu.harvard.iq.dvn.core.study.TabularDataFile;
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54 import edu.harvard.iq.dvn.core.util.FileUtil;
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55
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56 public class SaveResource extends AbstractMonographServlet {
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57
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58 private static final long serialVersionUID = 1L;
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59
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60
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61 private static final String TMP_DIR = "/gazetteer-server/tmp/";
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63
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64 private int maxFileSize = 100 * 1024;
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65 private int maxMemSize = 4 * 1024;
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66
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67 private static final Logger logger = Logger.getLogger("monographs.SaveResource");
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68
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69 @EJB
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70 private StudyFileServiceLocal studyFileService;
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71
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72 @EJB
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73 private StudyServiceLocal studyService;
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74
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75 @Inject
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76 private SwordAuth swordAuth;
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77
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78
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79 Map<String, String> params = new HashMap<String, String>();
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80
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81 public void init() throws ServletException {
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82 super.init();
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83 }
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84
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85 @Override
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86 protected void doPost(HttpServletRequest request, HttpServletResponse response) {
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87
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88 try {
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89 response.setContentType("application/json");
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90 JSONObject jsonResponse = new JSONObject();
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91
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92 File file = getFile(request, response);
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93
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94 if (file != null && file.length() > 0) {
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95 String studyGlobalId = params.get("studyId");
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96 String user = params.get("user");
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97 String password = params.get("password");
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98 //String fileLabel = params.get("fileLabel");
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99
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100 if(StringUtils.isNotEmpty(studyGlobalId) &&
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101 StringUtils.isNotEmpty(user) &&
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102 StringUtils.isNotEmpty(password)/* &&
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103 StringUtils.isNotEmpty(fileLabel)*/){
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104 AuthCredentials authCredentials = new AuthCredentials(user, password, null);
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105
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106 try {
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107 List<StudyFileEditBean> list = saveFile(file, studyGlobalId, authCredentials/*, fileLabel*/);
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108
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109 JSONObject fileMetatdata = new JSONObject();
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110 fileMetatdata.put("id", list.get(0).getFileMetadata().getId());
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111 fileMetatdata.put("label", list.get(0).getFileMetadata().getLabel());
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112 fileMetatdata.put("version", list.get(0).getFileMetadata().getVersion());
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113 fileMetatdata.put("description", list.get(0).getFileMetadata().getDescription());
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114
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115
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116 jsonResponse.put("fileMetadata", fileMetatdata);
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117 jsonResponse.put("status", "ok");
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118
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119 } catch (Exception e) {
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120 logger.log(Level.SEVERE, "Error!!!!!!", e);
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121 error(jsonResponse, e);
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122 }
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123 }else{
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124 jsonResponse.put("status", "error");
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125 jsonResponse.put("error", "The parameters studyId, user and password.");
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126 jsonResponse.put("studyId", studyGlobalId);
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127 jsonResponse.put("user", user);
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128 jsonResponse.put("password", password);
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129 //jsonResponse.put("fileLabel", fileLabel);
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130 }
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131
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132 }else if(file == null){
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133 jsonResponse.put("status", "error");
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134 jsonResponse.put("message", "No file found in the request.");
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135 }else {
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136 jsonResponse.put("status", "error");
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137 jsonResponse.put("message", "A file has been found as parameter, however it was empty. Check the temporal folder configured in Dataverse. " + TMP_DIR);
2
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138 }
4
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139
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140 java.io.PrintWriter out = response.getWriter();
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141 out.print(jsonResponse);
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142 out.flush();
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143 } catch (Exception e) {
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144 e.printStackTrace();
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145 }
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146 }
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147
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148 private File getFile(HttpServletRequest request, HttpServletResponse response) throws IOException {
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149 File file = null;
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150 boolean isMultipart = ServletFileUpload.isMultipartContent(request);
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151
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152 if(isMultipart){
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153 DiskFileItemFactory factory = new DiskFileItemFactory();
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154 // maximum size that will be stored in memory
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155 factory.setSizeThreshold(maxMemSize);
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156 // Location to save data that is larger than maxMemSize.
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157 factory.setRepository(new File(TMP_DIR));
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158
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159 // Create a new file upload handler
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160 ServletFileUpload upload = new ServletFileUpload(factory);
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161 // maximum file size to be uploaded.
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162 upload.setSizeMax(maxFileSize);
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163 StringBuilder sb = new StringBuilder();
2
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164 try {
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165 // Parse the request to get file items.
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166 List fileItems = upload.parseRequest(request);
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167
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168 // Process the uploaded file items
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169 Iterator i = fileItems.iterator();
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170
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171 while (i.hasNext()) {
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172 FileItem fi = (FileItem) i.next();
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173
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174 sb.append(fi.getFieldName());
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175
2
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176 if(fi.isFormField()){
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177 sb.append(" is Field");
2
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178 params.put(fi.getFieldName(), fi.getString());
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179 } else {
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180 sb.append(" is FILE ***");
2
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181 // Get the uploaded file parameters
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182 String fileName = fi.getName();
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183 // Write the file
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184 if (fileName.lastIndexOf("\\") >= 0) {
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185 file = new File(TMP_DIR + fileName.substring(fileName.lastIndexOf("\\")));
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186 } else {
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187 file = new File(TMP_DIR + fileName.substring(fileName.lastIndexOf("\\") + 1));
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188 }
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189 fi.write(file);
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190 sb.append(" Size: " + file.length());
2
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191 }
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192 sb.append("\n");
2
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193 }
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194
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195 } catch (Exception ex) {
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196 ex.printStackTrace();
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197 }
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198
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199 sb.append((file == null) ? "File is null" : "File Size=" + file.length() + ".\nWhen the file is empty, maybe the tmp folder is wrong configured.\nTMP_DIR: " + TMP_DIR);
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200 logger.log(Level.INFO, "getFile Information:\n" + sb.toString());
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201
2
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202 return file;
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203 }
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204
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205 return null;
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206 }
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207
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208 private List<StudyFileEditBean> saveFile(File file, String studyGlobalId, AuthCredentials authCredentials/*, String fileLabel*/) throws Exception {
2
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209 VDCUser vdcUser = swordAuth.auth(authCredentials);
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210
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211 Study study = getStudy(studyGlobalId);
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212
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213 try {
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214 List<StudyFileEditBean> files = getFileList(file, study);
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215 studyFileService.addFiles(study.getLatestVersion(), files, vdcUser);
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216 return files;
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217 } catch (EJBException ex) {
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218 throw new SwordError(UriRegistry.ERROR_BAD_REQUEST, "Unable to add file(s) to study: " + ex.getMessage());
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219 }
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220 }
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221
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222 public List<StudyFileEditBean> getFileList(File uploadedInputFile, Study study) throws Exception {
2
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223 List<StudyFileEditBean> fbList = new ArrayList<StudyFileEditBean>();
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224
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225 if (uploadedInputFile.length() != 0) {
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diff changeset
226
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227 File dir = new File(uploadedInputFile.getParentFile(), study.getId().toString() );
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diff changeset
228 if ( !dir.exists() ) {
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229 dir.mkdir();
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diff changeset
230 }
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231 File file = FileUtil.createTempFile(dir, uploadedInputFile.getName());
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diff changeset
232 if (!uploadedInputFile.renameTo(file)) {
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233 // in windows environment, rename doesn't work, so we will copy the file instead
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234 FileUtil.copyFile(uploadedInputFile, file);
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diff changeset
235 uploadedInputFile.delete();
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diff changeset
236 }
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diff changeset
237
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diff changeset
238 StudyFileEditBean tempFileBean = new StudyFileEditBean(file, studyService.generateFileSystemNameSequence(), study);
2
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239 tempFileBean.setSizeFormatted(file.length());
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240 fbList.add(tempFileBean);
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241 }
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242
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243 return fbList;
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244 }
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245
2ae72563a29d Commit of the project with the correct structure.
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246 }