|
1
40
41 package org.dspace.app.webui.servlet;
42
43 import java.io.BufferedReader  ;
44 import java.io.File ;
45 import java.io.FileInputStream ;
46 import java.io.IOException ;
47 import java.io.InputStreamReader ;
48 import java.sql.SQLException ;
49 import java.text.ParseException ;
50 import java.text.SimpleDateFormat ;
51 import java.util.ArrayList ;
52 import java.util.Arrays ;
53 import java.util.Date ;
54 import java.util.List ;
55 import java.util.regex.Matcher ;
56 import java.util.regex.Pattern ;
57
58 import javax.servlet.ServletException ;
59 import javax.servlet.http.HttpServletRequest ;
60 import javax.servlet.http.HttpServletResponse ;
61
62 import org.apache.log4j.Logger;
63 import org.dspace.app.webui.util.JSPManager;
64 import org.dspace.authorize.AuthorizeException;
65 import org.dspace.core.ConfigurationManager;
66 import org.dspace.core.Context;
67 import org.dspace.eperson.Group;
68
69
76 public class StatisticsServlet extends org.dspace.app.webui.servlet.DSpaceServlet
77 {
78
79
80 private static Logger log = Logger.getLogger(StatisticsServlet.class);
81
82 protected void doDSGet(Context c,
83 HttpServletRequest request, HttpServletResponse response)
84 throws ServletException , IOException , SQLException , AuthorizeException
85 {
86 doDSPost(c, request, response);
88 }
89
90 protected void doDSPost(Context c,
91 HttpServletRequest request, HttpServletResponse response)
92 throws ServletException , IOException , SQLException , AuthorizeException
93 {
94 boolean publicise = ConfigurationManager.getBooleanProperty("report.public");
96
97 boolean admin = Group.isMember(c, 1);
99
100 if (publicise || admin)
101 {
102 showStatistics(c, request, response);
103 }
104 else
105 {
106 throw new AuthorizeException();
107 }
108 }
109
110
117 private void showStatistics(Context context,
118 HttpServletRequest request, HttpServletResponse response)
119 throws ServletException , IOException , SQLException , AuthorizeException
120 {
121 String date = (String ) request.getParameter("date");
122 request.setAttribute("date", date);
123
124 request.setAttribute("general", new Boolean (false));
125
126 File reportDir = new File (ConfigurationManager.getProperty("report.dir"));
127
128 File [] reports = reportDir.listFiles();
129 File reportFile = null;
130
131 FileInputStream fir = null;
132 InputStreamReader ir = null;
133 BufferedReader br = null;
134
135 List monthsList = new ArrayList ();
136
137 Pattern monthly = Pattern.compile("report-([0-9][0-9][0-9][0-9]-[0-9]+)\\.html");
138 Pattern general = Pattern.compile("report-general-([0-9]+-[0-9]+-[0-9]+)\\.html");
139
140
143 if (date == null)
146 {
147 request.setAttribute("general", new Boolean (true));
148
149 SimpleDateFormat sdf = new SimpleDateFormat ("yyyy'-'M'-'dd");
150 Date mostRecentDate = null;
151
152 for (int i = 0; i < reports.length; i++)
153 {
154 Matcher matchGeneral = general.matcher(reports[i].getName());
155 if (matchGeneral.matches())
156 {
157 Date parsedDate = null;
158
159 try
160 {
161 parsedDate = sdf.parse(matchGeneral.group(1).trim());
162 }
163 catch (ParseException e)
164 {
165 }
167
168 if (mostRecentDate == null)
169 {
170 mostRecentDate = parsedDate;
171 reportFile = reports[i];
172 }
173
174 if (parsedDate.compareTo(mostRecentDate) > 0)
175 {
176 mostRecentDate = parsedDate;
177 reportFile = reports[i];
178 }
179 }
180 }
181 }
182
183 if (date != null)
185 {
186 String desiredReport = "report-" + date + ".html";
187
188 for (int i = 0; i < reports.length; i++)
189 {
190 if (reports[i].getName().equals(desiredReport))
191 {
192 reportFile = reports[i];
193 }
194 }
195 }
196
197 if (reportFile == null)
198 {
199 JSPManager.showJSP(request, response, "statistics/no-report.jsp");
200 }
201
202 SimpleDateFormat sdf = new SimpleDateFormat ("yyyy'-'M");
204 for (int i = 0; i < reports.length; i++)
205 {
206 Matcher matchReport = monthly.matcher(reports[i].getName());
207 if (matchReport.matches())
208 {
209 Date parsedDate = null;
210
211 try
212 {
213 parsedDate = sdf.parse(matchReport.group(1).trim());
214 }
215 catch (ParseException e)
216 {
217 }
219
220 monthsList.add(parsedDate);
221 }
222 }
223
224 Date [] months = new Date [monthsList.size()];
225 months = (Date []) monthsList.toArray(months);
226
227 Arrays.sort(months);
228
229 request.setAttribute("months", months);
230
231 try
232 {
233 fir = new FileInputStream (reportFile.getPath());
234 ir = new InputStreamReader (fir, "UTF-8");
235 br = new BufferedReader (ir);
236 }
237 catch (IOException e)
238 {
239 throw new RuntimeException (e.getMessage(),e);
241 }
242
243 StringBuffer report = new StringBuffer ();
245 String line = null;
246 while ((line = br.readLine()) != null)
247 {
248 report.append(line);
249 }
250
251 request.setAttribute("report", report.toString());
253
254 JSPManager.showJSP(request, response, "statistics/report.jsp");
255 }
256 }
257 |
Popular Tags |
Java API By Example, From Geeks To Geeks.