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16 package com.google.gwt.junit.viewer.server;
17
18 import com.google.gwt.junit.client.Benchmark;
19 import com.google.gwt.junit.viewer.client.Report;
20 import com.google.gwt.junit.viewer.client.ReportSummary;
21
22 import org.w3c.dom.Document  ;
23
24 import java.io.File ;
25 import java.io.FilenameFilter ;
26 import java.util.ArrayList ;
27 import java.util.HashMap ;
28 import java.util.Iterator ;
29 import java.util.List ;
30 import java.util.Map ;
31
32 import javax.xml.parsers.DocumentBuilder ;
33 import javax.xml.parsers.DocumentBuilderFactory ;
34
35
42 public class ReportDatabase {
43
44
48 public static class BadPathException extends RuntimeException {
49 String path;
50
51 public BadPathException(String path) {
52 super("The path " + path + " does not exist.");
53 this.path = path;
54 }
55
56 public String getPath() {
57 return path;
58 }
59 }
60
61 private static class ReportEntry {
62 private ReportSummary summary;
63 private Report report;
64 private long lastModified;
65
66 public ReportEntry(Report report, ReportSummary summary, long lastModified) {
67 this.report = report;
68 this.summary = summary;
69 this.lastModified = lastModified;
70 }
71 }
72
73 private static class ReportFile {
74 File file;
75 long lastModified;
76
77 ReportFile(File f) {
78 this.file = f;
79 this.lastModified = f.lastModified();
80 }
81 }
82
83
86 private static final int UPDATE_DURATION_MILLIS = 30000;
87
88 private static ReportDatabase database = new ReportDatabase();
89
90 public static ReportDatabase getInstance() {
91 return database;
92 }
93
94 private static String getReportId(File f) {
95 return f.getName();
96 }
97
98
101 private Map reports = new HashMap ();
102
103
106 private long lastUpdateMillis = -1L;
107
108
112 private Object updateLock = new Object ();
113
114
117 private boolean updating = false;
118
119
122 private Object reportsLock = new Object ();
123
124
127 private final String reportPath;
128
129 private ReportDatabase() throws BadPathException {
130 String path = System.getProperty(Benchmark.REPORT_PATH);
131 if (path == null || path.trim().equals("")) {
132 path = System.getProperty("user.dir");
133 }
134 reportPath = path;
135
136 if (!new File (reportPath).exists()) {
137 throw new BadPathException(reportPath);
138 }
139 }
140
141 public Report getReport(String reportId) {
142 synchronized (reportsLock) {
143 ReportEntry entry = (ReportEntry) reports.get(reportId);
144 return entry == null ? null : entry.report;
145 }
146 }
147
148 public List getReportSummaries() {
149
150
154
155 boolean update = false;
156
157 synchronized (updateLock) {
160 if (!updating) {
161 long currentTime = System.currentTimeMillis();
162
163 if (currentTime > lastUpdateMillis + UPDATE_DURATION_MILLIS) {
164 update = updating = true;
165 }
166 }
167 }
168
169 if (update) {
170 updateReports();
171 }
172
173 synchronized (reportsLock) {
174 List summaries = new ArrayList (
175 reports.size());
176 for (Iterator it = reports.values().iterator(); it.hasNext();) {
177 ReportEntry entry = (ReportEntry) it.next();
178 summaries.add(entry.summary);
179 }
180 return summaries;
181 }
182 }
183
184 private void updateReports() {
185
186 File path = new File (reportPath);
187
188 File [] files = path.listFiles(new FilenameFilter () {
189 public boolean accept(File f, String name) {
190 return name.startsWith("report-") && name.endsWith(".xml");
191 }
192 });
193
194 Map filesToUpdate = new HashMap ();
195 Map filesById = new HashMap ();
196 for (int i = 0; i < files.length; ++i) {
197 File f = files[i];
198 filesById.put(getReportId(f), new ReportFile(f));
199 }
200
201 synchronized (reportsLock) {
205
206 for (int i = 0; i < files.length; ++i) {
208 File file = files[i];
209 String reportId = getReportId(file);
210 ReportEntry entry = (ReportEntry) reports.get(reportId);
211 if (entry == null || entry.lastModified < file.lastModified()) {
212 filesToUpdate.put(reportId, null);
213 }
214 }
215
216 for (Iterator it = reports.keySet().iterator(); it.hasNext();) {
218 String id = (String ) it.next();
219 if (filesById.get(id) == null) {
220 it.remove();
221 }
222 }
223 }
224
225 try {
226 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
227 factory.setIgnoringElementContentWhitespace(true);
228 factory.setIgnoringComments(true);
229 DocumentBuilder builder = factory.newDocumentBuilder();
230
231 for (Iterator it = filesToUpdate.keySet().iterator(); it.hasNext();) {
232 String id = (String ) it.next();
233 ReportFile reportFile = (ReportFile) filesById.get(id);
234 String filePath = reportFile.file.getAbsolutePath();
235 Document doc = builder.parse(filePath);
236 Report report = ReportXml.fromXml(doc.getDocumentElement());
237 report.setId(id);
238 ReportSummary summary = report.getSummary();
239 long lastModified = new File (filePath).lastModified();
240 filesToUpdate.put(id, new ReportEntry(report, summary, lastModified));
241 }
242
243 synchronized (reportsLock) {
245 for (Iterator it = filesToUpdate.keySet().iterator(); it.hasNext();) {
246 String id = (String ) it.next();
247 reports.put(id, filesToUpdate.get(id));
248 }
249 }
250 } catch (Exception e) {
251 e.printStackTrace();
255 }
256
257 synchronized (updateLock) {
258 updating = false;
259 lastUpdateMillis = System.currentTimeMillis();
260 }
261 }
262 }
263 |
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