Source Code Cross Referenced for SubversionClient.java in  » EJB-Server-resin-3.1.5 » extra » com » caucho » jcr » svn » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » extra » com.caucho.jcr.svn 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *
023:         *   Free Software Foundation, Inc.
024:         *   59 Temple Place, Suite 330
025:         *   Boston, MA 02111-1307  USA
026:         *
027:         * @author Scott Ferguson
028:         */
029:
030:        package com.caucho.jcr.svn;
031:
032:        import com.caucho.util.L10N;
033:        import com.caucho.vfs.Path;
034:        import com.caucho.vfs.ReadStream;
035:        import com.caucho.vfs.ReadWritePair;
036:        import com.caucho.vfs.Vfs;
037:        import com.caucho.vfs.WriteStream;
038:
039:        import java.io.IOException;
040:        import java.util.ArrayList;
041:        import java.util.logging.Level;
042:        import java.util.logging.Logger;
043:
044:        /**
045:         * Subversion Client class.
046:         */
047:        public class SubversionClient {
048:            private final L10N L = new L10N(SubversionClient.class);
049:            private final Logger log = Logger.getLogger(SubversionClient.class
050:                    .getName());;
051:
052:            private Path _path;
053:            private ReadStream _is;
054:            private WriteStream _os;
055:
056:            private SubversionInput _in;
057:            private long _rev = 1;
058:
059:            public SubversionClient(String host, int port) throws IOException {
060:                _path = Vfs.lookup("tcp://" + host + ":" + port);
061:
062:                ReadWritePair pair = _path.openReadWrite();
063:
064:                _is = pair.getReadStream();
065:                _os = pair.getWriteStream();
066:
067:                _in = new SubversionInput(_is);
068:
069:                readHello();
070:
071:                // anonymous login (?)
072:                String svnurl = "svn://" + host + ":" + port;
073:                println("( 2 ( edit-pipeline ) " + svnurl.length() + ":"
074:                        + svnurl + " )");
075:
076:                readLoginResponse();
077:
078:                println("( ANONYMOUS ( 0: ) )");
079:
080:                readSuccess();
081:
082:                _in.expect('(');
083:                expectSuccess();
084:                _in.expect('(');
085:
086:                String uuid = _in.readString();
087:                String url = _in.readString();
088:
089:                _in.expect(')');
090:                _in.expect(')');
091:            }
092:
093:            /**
094:             * Sends a get-latest-rev request to the client, returning the latest
095:             * version.
096:             */
097:            public long getLatestRev() throws IOException {
098:                println("( get-latest-rev ( ) )");
099:
100:                readSuccess();
101:
102:                _in.expect('(');
103:                expectSuccess();
104:                _in.expect('(');
105:
106:                long value = _in.readLong();
107:
108:                _rev = value;
109:
110:                _in.expect(')');
111:                _in.expect(')');
112:
113:                return value;
114:            }
115:
116:            public String checkPath(String s) throws IOException {
117:                println("( check-path ( " + s.length() + ":" + s + " ( ) ) )");
118:
119:                readSuccess();
120:
121:                _in.expect('(');
122:                expectSuccess();
123:                _in.expect('(');
124:
125:                String type = _in.readLiteral();
126:
127:                _in.expect(')');
128:                _in.expect(')');
129:
130:                return type;
131:            }
132:
133:            public Object getDir(String s) throws IOException {
134:                // wantProps, wantContents
135:                println("( get-dir ( " + s.length() + ":" + s + " ( " + _rev
136:                        + " ) false true ) )");
137:
138:                readSuccess();
139:
140:                _in.expect('(');
141:                expectSuccess();
142:
143:                _in.expect('(');
144:
145:                long dirVersion = _in.readLong();
146:
147:                Object props = _in.readSexp();
148:
149:                ArrayList<SubversionNode> results = new ArrayList<SubversionNode>();
150:
151:                _in.expect('(');
152:
153:                while (true) {
154:                    _in.skipWhitespace();
155:
156:                    int ch = _in.read();
157:
158:                    if (ch == '(') {
159:                        String name = _in.readString();
160:                        String type = _in.readLiteral();
161:                        long length = _in.readLong();
162:                        boolean bValue = !"false".equals(_in.readLiteral());
163:                        long version = _in.readLong();
164:
165:                        _in.expect('(');
166:                        String modified = _in.readString();
167:                        _in.expect(')');
168:
169:                        _in.expect('(');
170:                        String user = _in.readString();
171:                        _in.expect(')');
172:                        _in.expect(')');
173:
174:                        SubversionNode node;
175:
176:                        if ("dir".equals(type))
177:                            node = new SubversionFolder(name);
178:                        else if ("file".equals(type)) {
179:                            SubversionFile file = new SubversionFile(name);
180:                            file.setLength(length);
181:                            node = file;
182:                        } else
183:                            node = new SubversionNode(name);
184:
185:                        node.setVersion(version);
186:                        node.setUser(user);
187:
188:                        results.add(node);
189:                    } else if (ch == ')')
190:                        break;
191:                    else {
192:                        throw error(L.l("Expected '(' at {0} (0x{1})", String
193:                                .valueOf(ch), Integer.toHexString(ch)));
194:                    }
195:                }
196:
197:                _in.expect(')');
198:                _in.expect(')');
199:
200:                return results;
201:            }
202:
203:            public Object update(long version, String s) throws IOException {
204:                boolean recurse = true;
205:
206:                println("( update ( " + " ( " + version + " ) " + s.length()
207:                        + ":" + s + " " + recurse + " ) )");
208:
209:                readSuccess();
210:
211:                boolean startEmpty = true;
212:
213:                println("( set-path ( " + s.length() + ":" + s + " " + version
214:                        + " " + startEmpty + " ) )");
215:
216:                println("( finish-report ( ) )");
217:
218:                readSuccess();
219:
220:                while (true) {
221:                    _in.expect('(');
222:                    String cmd = _in.readLiteral();
223:
224:                    Object arg = _in.readSexp();
225:                    _in.expect(')');
226:
227:                    System.out.println("CMD: " + cmd);
228:
229:                    if ("close-edit".equals(cmd))
230:                        break;
231:                }
232:
233:                return "ok";
234:            }
235:
236:            public Object setPath(long version, String s) throws IOException {
237:                boolean startEmpty = true;
238:
239:                println("( set-path ( " + s.length() + ":" + s + " " + version
240:                        + " " + startEmpty + " ) )");
241:
242:                println("( finish-report ( ) )");
243:
244:                readSuccess();
245:
246:                return _in.readSexp();
247:            }
248:
249:            public Object finishReport() throws IOException {
250:                println("( finish-report ( ) )");
251:
252:                readSuccess();
253:
254:                return _in.readSexp();
255:            }
256:
257:            public void doMore() throws IOException {
258:                println("( check-path ( 0: ( ) ) )");
259:
260:                readSuccess();
261:
262:                System.out.println(_in.readSexp());
263:
264:                println("( get-dir ( 0: ( 1 ) false true ) )");
265:
266:                readSuccess();
267:
268:                System.out.println(_in.readSexp());
269:            }
270:
271:            private void readHello() throws IOException {
272:                _in.expect('(');
273:                expectSuccess();
274:                _in.expect('(');
275:
276:                long major = _in.readLong();
277:                long minor = _in.readLong();
278:
279:                Object auth = _in.readSexp();
280:                Object cap = _in.readSexp();
281:
282:                _in.expect(')');
283:                _in.expect(')');
284:            }
285:
286:            private void readLoginResponse() throws IOException {
287:                _in.expect('(');
288:                expectSuccess();
289:                _in.expect('(');
290:
291:                Object cap = _in.readSexp();
292:
293:                String code = _in.readString();
294:
295:                _in.expect(')');
296:                _in.expect(')');
297:            }
298:
299:            public void readSuccess() throws IOException {
300:                _in.expect('(');
301:
302:                expectSuccess();
303:
304:                _in.readSexp();
305:
306:                _in.expect(')');
307:            }
308:
309:            public void expectSuccess() throws IOException {
310:                String token = _in.readLiteral();
311:
312:                if (!"success".equals(token))
313:                    throw error(L.l("Expected 'success' at {0}", token));
314:            }
315:
316:            private void println(String msg) throws IOException {
317:                if (log.isLoggable(Level.FINER))
318:                    log.finer(msg);
319:
320:                _os.println(msg);
321:            }
322:
323:            private IOException error(String msg) {
324:                return new IOException(msg);
325:            }
326:
327:            public void close() {
328:                ReadStream is = _is;
329:                _is = null;
330:
331:                WriteStream os = _os;
332:                _os = null;
333:
334:                _in.close();
335:
336:                if (os != null) {
337:                    try {
338:                        os.close();
339:                    } catch (IOException e) {
340:                    }
341:                }
342:
343:                if (is != null) {
344:                    is.close();
345:                }
346:            }
347:        }
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