1 | /** |
---|
2 | * MailArchiver is an application that provides services for storing and managing e-mail messages through a Web Services SOAP interface. |
---|
3 | * Copyright (C) 2012 Marcio Andre Scholl Levien and Fernando Alberto Reuter Wendt and Jose Ronaldo Nogueira Fonseca Junior |
---|
4 | * |
---|
5 | * This program is free software: you can redistribute it and/or modify |
---|
6 | * it under the terms of the GNU Affero General Public License as |
---|
7 | * published by the Free Software Foundation, either version 3 of the |
---|
8 | * License, or (at your option) any later version. |
---|
9 | * |
---|
10 | * This program is distributed in the hope that it will be useful, |
---|
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
13 | * GNU Affero General Public License for more details. |
---|
14 | * |
---|
15 | * You should have received a copy of the GNU Affero General Public License |
---|
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
---|
17 | */ |
---|
18 | |
---|
19 | /******************************************************************************\ |
---|
20 | * |
---|
21 | * This product was developed by |
---|
22 | * |
---|
23 | * SERVIÃO FEDERAL DE PROCESSAMENTO DE DADOS (SERPRO), |
---|
24 | * |
---|
25 | * a government company established under Brazilian law (5.615/70), |
---|
26 | * at Department of Development of Porto Alegre. |
---|
27 | * |
---|
28 | \******************************************************************************/ |
---|
29 | |
---|
30 | package serpro.mailarchiver.util; |
---|
31 | |
---|
32 | import java.io.ByteArrayOutputStream; |
---|
33 | import java.io.IOException; |
---|
34 | import java.io.PrintStream; |
---|
35 | import java.io.Reader; |
---|
36 | import java.io.UnsupportedEncodingException; |
---|
37 | import java.util.Set; |
---|
38 | import java.util.TreeSet; |
---|
39 | |
---|
40 | import javax.annotation.PostConstruct; |
---|
41 | |
---|
42 | import bsh.ConsoleInterface; |
---|
43 | |
---|
44 | import com.eventrouter.annotation.AnnotationProcessor; |
---|
45 | import com.eventrouter.annotation.Subscribe; |
---|
46 | import com.eventrouter.SubscriptionRegistry; |
---|
47 | |
---|
48 | import org.springframework.beans.factory.annotation.Configurable; |
---|
49 | |
---|
50 | import org.vaadin.console.Console; |
---|
51 | import org.vaadin.console.Console.Command; |
---|
52 | |
---|
53 | import serpro.mailarchiver.view.BaseApplication; |
---|
54 | |
---|
55 | @Configurable |
---|
56 | public class ConsoleMediator implements ConsoleInterface, Console.Handler { |
---|
57 | |
---|
58 | private static final Logger log = Logger.getLocalLogger(); |
---|
59 | |
---|
60 | @PostConstruct |
---|
61 | private void postConstruct() { |
---|
62 | SubscriptionRegistry subscriptionRegistry = BaseApplication.getInstance().getDispatchContext().getSubscriptionRegistry(); |
---|
63 | AnnotationProcessor processor = new AnnotationProcessor(subscriptionRegistry); |
---|
64 | processor.process(this); |
---|
65 | } |
---|
66 | |
---|
67 | private static final long serialVersionUID = 1L; |
---|
68 | |
---|
69 | private static final String ENTER = System.getProperty("line.separator"); |
---|
70 | private static final String EOT = new String(new char[] {'\004'}); |
---|
71 | private static final String LF = new String(new char[] {'\012'}); |
---|
72 | private static final String CR = new String(new char[] {'\015'}); |
---|
73 | private static final String ESC = new String(new char[] {'\033'}); |
---|
74 | |
---|
75 | enum AnsiEsc { |
---|
76 | Reset (0), |
---|
77 | |
---|
78 | FontWeightBolder(1), |
---|
79 | FontWeightNormal(22), |
---|
80 | FontWeightLighter(2), |
---|
81 | FontStyleItalic(3), |
---|
82 | |
---|
83 | TextDecorationUnderline(4), |
---|
84 | TextDecorationUnderlineOff(24), |
---|
85 | TextDecorationBlinkSlow(5), |
---|
86 | TextDecorationBlinkRapid(6), |
---|
87 | TextDecorationBlinkOff(25), |
---|
88 | TextDecorationLineThrough(9), |
---|
89 | TextDecorationLineThroughOff(29), |
---|
90 | TextDecorationOverline(53), |
---|
91 | TextDecorationOverlineOff(55), |
---|
92 | |
---|
93 | ColorBlack(30), |
---|
94 | ColorRed(31), |
---|
95 | ColorGreen(32), |
---|
96 | ColorYellow(33), |
---|
97 | ColorBlue(34), |
---|
98 | ColorPurple(35), |
---|
99 | ColorTeal(36), |
---|
100 | ColorSilver(37), |
---|
101 | |
---|
102 | BackgroundColorBlack(40), |
---|
103 | BackgroundColorRed(41), |
---|
104 | BackgroundColorGreen(42), |
---|
105 | BackgroundColorYellow(43), |
---|
106 | BackgroundColorBlue(44), |
---|
107 | BackgroundColorPurple(45), |
---|
108 | BackgroundColorTeal(46), |
---|
109 | BackgroundColorSilver(47); |
---|
110 | |
---|
111 | @Override |
---|
112 | public String toString() { |
---|
113 | return ESC + '[' + code + 'm'; |
---|
114 | } |
---|
115 | |
---|
116 | private final int code; |
---|
117 | |
---|
118 | AnsiEsc(int code) { |
---|
119 | this.code = code; |
---|
120 | } |
---|
121 | } |
---|
122 | |
---|
123 | private final Console console; |
---|
124 | |
---|
125 | private MyReader interpreterIn; |
---|
126 | |
---|
127 | private PrintStream interpreterOut; |
---|
128 | private PrintStream interpreterErr; |
---|
129 | private ByteArrayOutputStream interpreterOutByteArray; |
---|
130 | private StringBuffer interpreterOutBuffer; |
---|
131 | |
---|
132 | public ConsoleMediator(Console console) { |
---|
133 | |
---|
134 | this.console = console; |
---|
135 | this.console.setConvertANSIToCSS(true); |
---|
136 | this.console.setHandler(this); |
---|
137 | |
---|
138 | interpreterIn = new MyReader(); |
---|
139 | |
---|
140 | interpreterOutByteArray = new ByteArrayOutputStream(); |
---|
141 | interpreterOutBuffer = new StringBuffer(); |
---|
142 | |
---|
143 | try { |
---|
144 | interpreterOut = new PrintStream(interpreterOutByteArray, false, "UTF-8") { |
---|
145 | @Override |
---|
146 | public void flush() { |
---|
147 | super.flush(); |
---|
148 | appendOutput(); |
---|
149 | } |
---|
150 | }; |
---|
151 | interpreterErr = new PrintStream(interpreterOutByteArray, false, "UTF-8") { |
---|
152 | @Override |
---|
153 | public void flush() { |
---|
154 | super.flush(); |
---|
155 | appendOutput(); |
---|
156 | } |
---|
157 | }; |
---|
158 | } |
---|
159 | catch (UnsupportedEncodingException ex) { |
---|
160 | log.error(ex); |
---|
161 | } |
---|
162 | } |
---|
163 | |
---|
164 | |
---|
165 | //<editor-fold defaultstate="collapsed" desc=" Beanshell ConsoleInterface "> |
---|
166 | |
---|
167 | @Override |
---|
168 | public Reader getIn() { |
---|
169 | return interpreterIn; |
---|
170 | } |
---|
171 | |
---|
172 | @Override |
---|
173 | public PrintStream getOut() { |
---|
174 | return interpreterOut; |
---|
175 | } |
---|
176 | |
---|
177 | @Override |
---|
178 | public PrintStream getErr() { |
---|
179 | return interpreterErr; |
---|
180 | } |
---|
181 | |
---|
182 | @Override |
---|
183 | public void println(Object o) { |
---|
184 | String s = String.valueOf(o); |
---|
185 | interpreterOut.print(AnsiEsc.ColorYellow.toString() + s + ENTER); |
---|
186 | interpreterOut.flush(); |
---|
187 | } |
---|
188 | |
---|
189 | @Override |
---|
190 | public void print(Object o) { |
---|
191 | String s = String.valueOf(o); |
---|
192 | if("bsh % ".equals(s)) { |
---|
193 | interpreterOut.print(EOT); |
---|
194 | } |
---|
195 | else { |
---|
196 | interpreterOut.print(AnsiEsc.ColorYellow.toString() + s); |
---|
197 | } |
---|
198 | interpreterOut.flush(); |
---|
199 | } |
---|
200 | |
---|
201 | @Override |
---|
202 | public void error(Object o) { |
---|
203 | String s = String.valueOf(o); |
---|
204 | if(s.endsWith(LF)) { |
---|
205 | s = s.substring(0, s.length() - 1); |
---|
206 | if(s.endsWith(CR)) { |
---|
207 | s = s.substring(0, s.length() - 1); |
---|
208 | } |
---|
209 | } |
---|
210 | interpreterErr.print(AnsiEsc.ColorRed.toString() + s); |
---|
211 | interpreterErr.flush(); |
---|
212 | } |
---|
213 | //</editor-fold> |
---|
214 | |
---|
215 | |
---|
216 | //<editor-fold defaultstate="collapsed" desc=" Vaadin Console.Handler "> |
---|
217 | |
---|
218 | /** |
---|
219 | * Called when user has entered input to the Console and presses enter |
---|
220 | * to execute it. |
---|
221 | */ |
---|
222 | @Override |
---|
223 | public void inputReceived(Console console, String lastInput) { |
---|
224 | boolean run = false; |
---|
225 | if(lastInput.isEmpty()) { |
---|
226 | lastInput = ";"; |
---|
227 | run = true; |
---|
228 | } |
---|
229 | else { |
---|
230 | for(int i = lastInput.length() - 1; i >= 0; i--) { |
---|
231 | char c = lastInput.charAt(i); |
---|
232 | if(Character.isSpaceChar(c)) { |
---|
233 | continue; |
---|
234 | } |
---|
235 | if(c == ';') { |
---|
236 | run = true; |
---|
237 | } |
---|
238 | break; |
---|
239 | } |
---|
240 | } |
---|
241 | |
---|
242 | interpreterIn.put(lastInput + ENTER); |
---|
243 | |
---|
244 | if(!run) { |
---|
245 | console.setPs("> "); |
---|
246 | console.prompt(); |
---|
247 | console.focusInput(); |
---|
248 | } |
---|
249 | } |
---|
250 | |
---|
251 | |
---|
252 | /** |
---|
253 | * Called when user uses TAB to complete the command entered into the |
---|
254 | * Console input. |
---|
255 | */ |
---|
256 | @Override |
---|
257 | public Set<String> getSuggestions(Console console, String lastInput) { |
---|
258 | //TODO ? |
---|
259 | Set<String> suggestions = new TreeSet<String>(); |
---|
260 | return suggestions; |
---|
261 | } |
---|
262 | |
---|
263 | /** |
---|
264 | * Handle an exception during a Command execution. |
---|
265 | */ |
---|
266 | @Override |
---|
267 | public void handleException(Console console, Exception e, Command cmd, String[] argv) { |
---|
268 | //TODO ? |
---|
269 | log.error(e); |
---|
270 | } |
---|
271 | |
---|
272 | /** |
---|
273 | * Handle situation where a command could not be found. |
---|
274 | */ |
---|
275 | @Override |
---|
276 | public void commandNotFound(Console console, String[] argv) { |
---|
277 | //TODO ? |
---|
278 | } |
---|
279 | //</editor-fold> |
---|
280 | |
---|
281 | |
---|
282 | private void appendOutput() { |
---|
283 | if(interpreterOutByteArray.size() > 0) { |
---|
284 | try { |
---|
285 | String content = interpreterOutByteArray.toString("UTF-8"); |
---|
286 | interpreterOutByteArray.reset(); |
---|
287 | if(!content.isEmpty()) { |
---|
288 | interpreterOutBuffer.append(content); |
---|
289 | } |
---|
290 | } |
---|
291 | catch (UnsupportedEncodingException ex) { |
---|
292 | log.error(ex); |
---|
293 | } |
---|
294 | } |
---|
295 | } |
---|
296 | |
---|
297 | @Subscribe({"/mailarchiver/refresh"}) |
---|
298 | private void refresh() { |
---|
299 | if(interpreterOutBuffer.length() > 0) { |
---|
300 | String content = interpreterOutBuffer.toString(); |
---|
301 | interpreterOutBuffer.setLength(0); |
---|
302 | boolean eot = false; |
---|
303 | if(content.endsWith(EOT)) { |
---|
304 | eot = true; |
---|
305 | content = content.substring(0, content.length() - 1); |
---|
306 | if(content.endsWith(LF)) { |
---|
307 | content = content.substring(0, content.length() - 1); |
---|
308 | if(content.endsWith(CR)) { |
---|
309 | content = content.substring(0, content.length() - 1); |
---|
310 | } |
---|
311 | } |
---|
312 | } |
---|
313 | |
---|
314 | if(!content.isEmpty()) { |
---|
315 | console.print(content); |
---|
316 | } |
---|
317 | |
---|
318 | if(eot) { |
---|
319 | console.setPs("{bsh}> "); |
---|
320 | console.prompt(); |
---|
321 | console.focusInput(); |
---|
322 | } |
---|
323 | } |
---|
324 | } |
---|
325 | |
---|
326 | private static class MyReader extends Reader { |
---|
327 | private final StringBuilder buffer = new StringBuilder(); |
---|
328 | |
---|
329 | public void put(String value) { |
---|
330 | synchronized(buffer) { |
---|
331 | buffer.append(value); |
---|
332 | buffer.notifyAll(); |
---|
333 | } |
---|
334 | } |
---|
335 | |
---|
336 | @Override |
---|
337 | public int read(char[] cbuf, int off, int len) throws IOException { |
---|
338 | int n; |
---|
339 | synchronized(buffer) { |
---|
340 | while(buffer.length() == 0) { |
---|
341 | try { |
---|
342 | buffer.wait(); |
---|
343 | } |
---|
344 | catch (InterruptedException ex) { |
---|
345 | log.error(ex); |
---|
346 | } |
---|
347 | } |
---|
348 | n = Math.min(len, buffer.length()); |
---|
349 | for(int i = 0; i < n; i++) { |
---|
350 | cbuf[off++] = buffer.charAt(i); |
---|
351 | } |
---|
352 | buffer.delete(0, n); |
---|
353 | } |
---|
354 | return n; |
---|
355 | } |
---|
356 | |
---|
357 | @Override |
---|
358 | public void close() throws IOException { |
---|
359 | } |
---|
360 | } |
---|
361 | } |
---|