Source Code Cross Referenced for TextFileFunctions.java in  » Groupware » LibreSource » org » libresource » so6 » core » tf » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Groupware » LibreSource » org.libresource.so6.core.tf 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * LibreSource
003:         * Copyright (C) 2004-2008 Artenum SARL / INRIA
004:         * http://www.libresource.org - contact@artenum.com
005:         *
006:         * This file is part of the LibreSource software, 
007:         * which can be used and distributed under license conditions.
008:         * The license conditions are provided in the LICENSE.TXT file 
009:         * at the root path of the packaging that enclose this file. 
010:         * More information can be found at 
011:         * - http://dev.libresource.org/home/license
012:         *
013:         * Initial authors :
014:         *
015:         * Guillaume Bort / INRIA
016:         * Francois Charoy / Universite Nancy 2
017:         * Julien Forest / Artenum
018:         * Claude Godart / Universite Henry Poincare
019:         * Florent Jouille / INRIA
020:         * Sebastien Jourdain / INRIA / Artenum
021:         * Yves Lerumeur / Artenum
022:         * Pascal Molli / Universite Henry Poincare
023:         * Gerald Oster / INRIA
024:         * Mariarosa Penzi / Artenum
025:         * Gerard Sookahet / Artenum
026:         * Raphael Tani / INRIA
027:         *
028:         * Contributors :
029:         *
030:         * Stephane Bagnier / Artenum
031:         * Amadou Dia / Artenum-IUP Blois
032:         * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
033:         */package org.libresource.so6.core.tf;
034:
035:        import org.libresource.so6.core.WsConnection;
036:        import org.libresource.so6.core.command.Command;
037:        import org.libresource.so6.core.command.Id;
038:        import org.libresource.so6.core.command.Macro;
039:        import org.libresource.so6.core.command.NoOp;
040:        import org.libresource.so6.core.command.text.AddBlock;
041:        import org.libresource.so6.core.command.text.DelBlock;
042:        import org.libresource.so6.core.command.text.UpdateTextFile;
043:        import org.libresource.so6.core.engine.util.ObjectCloner;
044:
045:        import java.lang.reflect.Method;
046:
047:        import java.util.ArrayList;
048:        import java.util.Iterator;
049:
050:        /**
051:         * @author Ecoo Team Loria
052:         */
053:        public class TextFileFunctions {
054:            public final static String CONFLICT_BLOC_START = ">>>> CONFLICT >>>> ";
055:            public final static String CONFLICT_BLOC_END = "<<<< CONFLICT <<<<";
056:            public final static String CONFLICT_BLOC_SPLIT = "==== ";
057:            public final static String CONFLICT_BLOC_PADDING = ">";
058:            public final static String CONFLICT_BLOC_ORIGINE_SEPARATOR = " / ";
059:            public final static String CONFLICT_TYPE_ADD_ADD = "ADD - ADD";
060:            public final static String CONFLICT_TYPE_ADD_REMOVE = "ADD - REMOVE";
061:            public final static String CONFLICT_TYPE_REMOVE_ADD = "REMOVE - ADD";
062:            public final static int ADD_ADD = 1;
063:            public final static int ADD_REMOVE = 2;
064:            public final static int REMOVE_ADD = 3;
065:            private WsConnection ws;
066:
067:            public TextFileFunctions(WsConnection ws) {
068:                this .ws = ws;
069:            }
070:
071:            public static String[] getOrigineBlocNames(String splitLine) {
072:                return splitLine.substring(CONFLICT_BLOC_SPLIT.length()).split(
073:                        CONFLICT_BLOC_ORIGINE_SEPARATOR);
074:            }
075:
076:            public static int getConflictType(String firstConflictLine) {
077:                if (firstConflictLine.endsWith(CONFLICT_TYPE_ADD_ADD)) {
078:                    return ADD_ADD;
079:                }
080:
081:                if (firstConflictLine.endsWith(CONFLICT_TYPE_ADD_REMOVE)) {
082:                    return ADD_REMOVE;
083:                }
084:
085:                if (firstConflictLine.endsWith(CONFLICT_TYPE_REMOVE_ADD)) {
086:                    return REMOVE_ADD;
087:                }
088:
089:                return -1;
090:            }
091:
092:            public Command transp(UpdateTextFile c1, UpdateTextFile c2)
093:                    throws Exception {
094:                Command res = null;
095:                Method m = null;
096:
097:                try {
098:                    // Make transformation only if needed
099:                    if (c1.getPath().equals(c2.getPath())) {
100:                        m = this .getClass().getMethod("tf",
101:                                new Class[] { c1.getClass(), c2.getClass() });
102:                    } else {
103:                        return c1;
104:                    }
105:                } catch (NoSuchMethodException e1) {
106:                    try {
107:                        m = this .getClass().getMethod(
108:                                "tf",
109:                                new Class[] { c1.getClass().getSuperclass(),
110:                                        c2.getClass() });
111:                    } catch (NoSuchMethodException e2) {
112:                        try {
113:                            m = this .getClass().getMethod(
114:                                    "tf",
115:                                    new Class[] { c1.getClass(),
116:                                            c2.getClass().getSuperclass() });
117:                        } catch (NoSuchMethodException e3) {
118:                            m = this .getClass().getMethod(
119:                                    "tf",
120:                                    new Class[] {
121:                                            c1.getClass().getSuperclass(),
122:                                            c2.getClass().getSuperclass() });
123:                        }
124:                    }
125:                }
126:
127:                res = (Command) m.invoke(this , new Object[] { c1, c2 });
128:
129:                return res;
130:            }
131:
132:            /*
133:             * Take care of Text commands - AddBlock - DelBlock
134:             */
135:
136:            /**
137:             * AddBlock
138:             */
139:            public Command tf(AddBlock c1, AddBlock c2) throws Exception {
140:                int s1 = c1.getInsertPoint();
141:                int l1 = c1.getSize();
142:                int s2 = c2.getInsertPoint();
143:                int l2 = c2.getSize();
144:
145:                if (s1 < s2) {
146:                    return c1;
147:                } else {
148:                    // s1 >= s2
149:                    if (s1 > s2) {
150:                        AddBlock c = (AddBlock) ObjectCloner.deepCopy(c1);
151:                        c.slide(l2);
152:
153:                        return c;
154:                    } else {
155:                        // s1 == s2
156:                        if (c1.equals(c2)) {
157:                            return new Id(c1, ws);
158:                        } else {
159:                            // o1 == 02
160:                            //Logger.getLogger("blurp").info("conflict
161:                            // addblock/addblock, c1:" + c1.toStringVerbose() + ", c2:"
162:                            // + c2.toStringVerbose());
163:                            //Logger.getLogger("blurp").info("ticket a1:" +
164:                            // c1.getTicket() + ",a2:" + c2.getTicket());
165:                            // generate DelBlock (to remove block added before)
166:                            DelBlock d = new DelBlock(c2, ws);
167:
168:                            // generate AddBlock (add block merging addblocks from c1
169:                            // and c2);
170:                            ArrayList contents = new ArrayList();
171:                            AddBlock cBefore = (AddBlock) c1.max(c2);
172:                            AddBlock cAfter = (AddBlock) c1.min(c2);
173:                            assert (!cBefore.equals(cAfter)) : "wizzz";
174:                            contents.add(CONFLICT_BLOC_START
175:                                    + CONFLICT_TYPE_ADD_ADD); // +
176:                            // "\n");
177:
178:                            for (Iterator i = cBefore.getContent().iterator(); i
179:                                    .hasNext();) {
180:                                contents.add(CONFLICT_BLOC_PADDING
181:                                        + ((String) i.next()));
182:                            }
183:
184:                            contents.add(CONFLICT_BLOC_SPLIT
185:                                    + cBefore.getWsName()
186:                                    + CONFLICT_BLOC_ORIGINE_SEPARATOR
187:                                    + cAfter.getWsName()); // +
188:                            // "\n");
189:
190:                            for (Iterator i = cAfter.getContent().iterator(); i
191:                                    .hasNext();) {
192:                                contents.add(CONFLICT_BLOC_PADDING
193:                                        + ((String) i.next()));
194:                            }
195:
196:                            contents.add(CONFLICT_BLOC_END); // + "\n");
197:
198:                            AddBlock a = new AddBlock(c1.getPath(), ws, c1
199:                                    .getInsertPoint(), contents);
200:                            a.setConflict(true);
201:
202:                            Macro m = new Macro(c1, ws);
203:                            m.setCommand(d, 1);
204:                            m.setCommand(a, 2);
205:
206:                            return m;
207:                        }
208:                    }
209:                }
210:            }
211:
212:            public Command tf(AddBlock c1, DelBlock c2) throws Exception {
213:                int s1 = c1.getInsertPoint();
214:                int s2 = c2.getDeletePoint();
215:                int e2 = (s2 + c2.getSize()) - 1;
216:
217:                if (s1 <= s2) { //PATCH
218:
219:                    return c1;
220:                } else { // s1>=s2
221:
222:                    if (s1 > e2) {
223:                        AddBlock clone = (AddBlock) ObjectCloner.deepCopy(c1);
224:                        clone.slide(-c2.getSize());
225:
226:                        return clone;
227:                    } else { // s1>=s2 && s1<=e2
228:
229:                        // conflit (le point d'insertion a ete efface)
230:                        // generate HunkDel (remove block added before)
231:                        ArrayList contents = new ArrayList();
232:                        contents.add(CONFLICT_BLOC_START
233:                                + CONFLICT_TYPE_REMOVE_ADD); // +
234:                        // "\n");
235:
236:                        for (Iterator i = c2.getOldContent().iterator(); i
237:                                .hasNext();) {
238:                            contents.add(CONFLICT_BLOC_PADDING
239:                                    + ((String) i.next()));
240:                        }
241:
242:                        contents.add(CONFLICT_BLOC_SPLIT + c2.getWsName()
243:                                + CONFLICT_BLOC_ORIGINE_SEPARATOR
244:                                + c1.getWsName()); // +
245:                        // "\n");
246:
247:                        for (Iterator i = c1.getContent().iterator(); i
248:                                .hasNext();) {
249:                            contents.add(CONFLICT_BLOC_PADDING
250:                                    + ((String) i.next()));
251:                        }
252:
253:                        contents.add(CONFLICT_BLOC_END); // + "\n");
254:
255:                        AddBlock a = new AddBlock(c2.getPath(), ws, c2
256:                                .getDeletePoint(), contents);
257:
258:                        //-1 ???
259:                        a.setTicket(c1.getTicket());
260:                        a.setConflict(true);
261:
262:                        return a;
263:                    }
264:                }
265:            }
266:
267:            /**
268:             * DelBlock
269:             */
270:            public Command tf(DelBlock c1, DelBlock c2) throws Exception {
271:                int s1 = c1.getDeletePoint();
272:                int e1 = (s1 + c1.getSize()) - 1;
273:                int s2 = c2.getDeletePoint();
274:                int e2 = (s2 + c2.getSize()) - 1;
275:                DelBlock clone = (DelBlock) ObjectCloner.deepCopy(c1);
276:
277:                if (s1 < s2) { // block de c1 devant celui de c2
278:
279:                    if (e1 < s2) { // blocks disjoints
280:
281:                        // return DelBlock[s1;e1]
282:                        return c1;
283:                    } else { // e1 >= s2
284:
285:                        if (e1 < e2) {
286:                            // return DelBlock[s1;s2[
287:                            clone.cutTailFrom(e1 - s2 + 1);
288:
289:                            return clone;
290:                        } else { // e1 >= e2
291:
292:                            // return DelBlock[s1;s2[;DelBlock]e2;e1] (slide le deuxieme
293:                            // block)
294:                            clone.cutTailFrom(e1 - s2 + 1);
295:
296:                            if (e1 == e2) {
297:                                return clone;
298:                            } else {
299:                                DelBlock clone2 = (DelBlock) ObjectCloner
300:                                        .deepCopy(c1);
301:                                clone2.cutHeadTo(s2 - s1);
302:                                clone2.cutTailFrom(e1 - e2);
303:                                clone2.slide(-(s2 - s1));
304:                                assert (clone2.getSize() == c2.getSize()) : "die bitch...\n"
305:                                        + "clone2:"
306:                                        + clone2.toString()
307:                                        + "\n"
308:                                        + "c2:" + c2.toString();
309:
310:                                Command cmd = null;
311:
312:                                if (clone2.getOldContent().equals(
313:                                        c2.getOldContent())) {
314:                                    cmd = new Id(clone2, ws);
315:                                } else {
316:                                    cmd = new NoOp(clone2, ws);
317:                                }
318:
319:                                DelBlock clone3 = (DelBlock) ObjectCloner
320:                                        .deepCopy(c1);
321:                                clone3.cutHeadTo(e2 - s1 + 1);
322:                                clone3.slide(-(e2 - s1 + 1));
323:
324:                                Macro m1 = new Macro(c1, ws);
325:                                m1.setCommand(cmd, 1);
326:                                m1.setCommand(clone3, 2);
327:
328:                                Macro m = new Macro(c1, ws);
329:                                m.setCommand(clone, 1);
330:                                m.setCommand(m1, 2);
331:
332:                                return m;
333:                            }
334:                        }
335:                    }
336:                } else { // s1 >= s2
337:
338:                    if (s1 > e2) {
339:                        // // block de c2 devant celui de c1 et blocks disjoints
340:                        // return DelBlock[s1+c2.getSize();e1+c2.getSize()];
341:                        clone.slide(-c2.getSize());
342:
343:                        return clone;
344:                    } else { // s1 <= e2
345:
346:                        if (e1 < e2) {
347:                            // return DelBlock[] = NoOp();
348:                            DelBlock clone2 = (DelBlock) ObjectCloner
349:                                    .deepCopy(c2);
350:                            clone2.cutHeadTo(s1 - s2);
351:                            clone2.cutTailFrom(e2 - e1);
352:                            clone2.slide(-(s1 - s2));
353:                            assert (clone2.getSize() == c1.getSize()) : "turlu...\n"
354:                                    + "clone2:"
355:                                    + clone2.toString()
356:                                    + "\n"
357:                                    + "c1:" + c1.toString();
358:
359:                            if (clone2.getOldContent().equals(
360:                                    c1.getOldContent())) {
361:                                return new Id(clone2, ws);
362:                            } else {
363:                                return new NoOp(clone2, ws);
364:                            }
365:
366:                            //return new NoOp(c1);
367:                        } else { //e1 >= e2
368:
369:                            if (e1 == e2) { // c1 equals c2
370:
371:                                return new Id(c1, ws);
372:                            } else { // e1>e2
373:
374:                                // return DelBlock[e2;e1]
375:                                clone.cutHeadTo(e2 - s1 + 1);
376:
377:                                // 			clone.slide(-c2.getSize()+(e2-s1+1));
378:                                clone.slide(-c2.getSize());
379:
380:                                return clone;
381:                            }
382:                        }
383:                    }
384:                }
385:            }
386:
387:            public Command tf(DelBlock c1, AddBlock c2) throws Exception {
388:                int s1 = c1.getDeletePoint();
389:                int e1 = (s1 + c1.getSize()) - 1;
390:                int s2 = c2.getInsertPoint();
391:
392:                if (s1 >= s2) {
393:                    DelBlock clone = (DelBlock) ObjectCloner.deepCopy(c1);
394:                    clone.slide(c2.getSize());
395:
396:                    return clone;
397:                } else { // s1<=s2
398:
399:                    if (e1 < s2) {
400:                        return c1;
401:                    } else {
402:                        // conflit (le point d'insertion aurait pu etre efface)
403:                        // generate DelBlock (to remove block added before)
404:                        DelBlock d = new DelBlock(c2, ws);
405:
406:                        // conflit (le point d'insertion a ete efface)
407:                        ArrayList contents = new ArrayList();
408:                        contents.add(CONFLICT_BLOC_START
409:                                + CONFLICT_TYPE_REMOVE_ADD); // +
410:                        // "\n");
411:
412:                        for (Iterator i = c1.getOldContent().iterator(); i
413:                                .hasNext();) {
414:                            contents.add(CONFLICT_BLOC_PADDING
415:                                    + ((String) i.next()));
416:                        }
417:
418:                        contents.add(CONFLICT_BLOC_SPLIT + c1.getWsName()
419:                                + CONFLICT_BLOC_ORIGINE_SEPARATOR
420:                                + c2.getWsName()); // +
421:                        // "\n");
422:
423:                        for (Iterator i = c2.getContent().iterator(); i
424:                                .hasNext();) {
425:                            contents.add(CONFLICT_BLOC_PADDING
426:                                    + ((String) i.next()));
427:                        }
428:
429:                        contents.add(CONFLICT_BLOC_END); // + "\n");
430:
431:                        AddBlock a = new AddBlock(c2.getPath(), ws, c1
432:                                .getDeletePoint(), contents);
433:                        a.setConflict(true);
434:
435:                        Macro m = new Macro(c1, ws);
436:                        Macro m2 = new Macro(c1, ws);
437:                        m.setCommand(m2, 1);
438:                        m2.setCommand(d, 1);
439:                        m2.setCommand(c1, 2);
440:                        m.setCommand(a, 2);
441:                        m.setTicket(c1.getTicket());
442:
443:                        return m;
444:                    }
445:                }
446:            }
447:        }
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