Source Code Cross Referenced for DispatchingDocumentFactory.java in  » Search-Engine » mg4j » it » unimi » dsi » mg4j » document » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Search Engine » mg4j » it.unimi.dsi.mg4j.document 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package it.unimi.dsi.mg4j.document;
002:
003:        /*		 
004:         * MG4J: Managing Gigabytes for Java
005:         *
006:         * Copyright (C) 2005-2007 Paolo Boldi 
007:         *
008:         *  This library is free software; you can redistribute it and/or modify it
009:         *  under the terms of the GNU Lesser General Public License as published by the Free
010:         *  Software Foundation; either version 2.1 of the License, or (at your option)
011:         *  any later version.
012:         *
013:         *  This library is distributed in the hope that it will be useful, but
014:         *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
015:         *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
016:         *  for more details.
017:         *
018:         *  You should have received a copy of the GNU Lesser General Public License
019:         *  along with this program; if not, write to the Free Software
020:         *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
021:         *
022:         */
023:        import it.unimi.dsi.fastutil.io.BinIO;
024:        import it.unimi.dsi.fastutil.objects.Object2IntMap;
025:        import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
026:        import it.unimi.dsi.fastutil.objects.Object2ObjectLinkedOpenHashMap;
027:        import it.unimi.dsi.fastutil.objects.Reference2ObjectMap;
028:        import it.unimi.dsi.io.FastBufferedReader;
029:        import it.unimi.dsi.io.NullReader;
030:        import it.unimi.dsi.io.WordReader;
031:        import it.unimi.dsi.util.Properties;
032:
033:        import java.io.IOException;
034:        import java.io.InputStream;
035:        import java.io.Serializable;
036:        import java.util.Iterator;
037:        import java.util.Map;
038:
039:        import org.apache.commons.configuration.ConfigurationException;
040:
041:        /** A document factory that actually dispatches the task of building documents to various factories
042:         *  according to some strategy.
043:         * 
044:         * <p>The strategy is specified as (an object embedding) a method that determines which factory
045:         * should be used on the basis of the metadata that are provided to the {@link #getDocument(InputStream, Reference2ObjectMap)}
046:         * method. Since usually the strategy will have to resolve the name of metadata, it is also passed
047:         * this factory, so that the correct 
048:         * {@link it.unimi.dsi.mg4j.document.PropertyBasedDocumentFactory#resolve(Enum,Reference2ObjectMap)} method can be invoked. 
049:         * 
050:         * <p>Moreover, at construction one must specify, for each subfactory and for each field of this
051:         * factory, which field of the subfactory should be used. Note that to guarantee sequential access,
052:         * fields specified for each subfactory should appear in increasing order.
053:         */
054:        public class DispatchingDocumentFactory extends
055:                PropertyBasedDocumentFactory {
056:            private static final long serialVersionUID = 1L;
057:
058:            private static final boolean DEBUG = false;
059:
060:            /** Case-insensitive keys for metadata. 
061:             * 
062:             *  @see PropertyBasedDocumentFactory.MetadataKeys
063:             */
064:            public static enum MetadataKeys {
065:                /** The property containing the (comma-separated) sequence of field names. */
066:                FIELDNAME,
067:                /** The property containing the key that should be checked (e.g., mimetype). */
068:                KEY,
069:                /** The property containing comma-separated sequence of colon-separated pairs value/document factory names. */
070:                RULE,
071:                /** The property containing a comma-separated list with as many items as there are factories; each item will be
072:                 *  a colon-separated list of as many integers as there are fields. The <var>k</var>-th integer in the <var>f</var>-th
073:                 *  list is the number of the field of the <var>f</var>-th factory that should be used to extract field number <var>k</var>,
074:                 *  or -1 if the field should be empty. */
075:                MAP
076:            }
077:
078:            /** The value to be used in <code>RULE</code> to introduce the default factory. Otherwise, no default factory is
079:             *  provided for documents that do not match. */
080:            public final static String OTHERWISE_IN_RULE = "?";
081:
082:            /** A strategy that decides which factory is appropriate using the document metadata. */
083:
084:            public static interface DispatchingStrategy extends Serializable {
085:                /** Decides the index of the factory to be used for the given metadata, possibly using
086:                 *  a factory to resolve property names.
087:                 * 
088:                 * @param metadata the metadata of the document to be produced.
089:                 * @param factory the factory used to resolve metadata names.
090:                 * @return the factory index.
091:                 */
092:                public int factoryNumber(
093:                        Reference2ObjectMap<Enum<?>, Object> metadata,
094:                        PropertyBasedDocumentFactory factory);
095:            };
096:
097:            /** A strategy that is based on trying to match the value of the metadata with a given key with respect to a
098:             *  certain set of values.
099:             */
100:            public static class StringBasedDispatchingStrategy implements 
101:                    DispatchingStrategy {
102:                private static final long serialVersionUID = 1L;
103:                /** The key to be resolved. */
104:                private final Enum<?> key;
105:                /** The values that should be used for comparisons. */
106:                private final Object2IntMap<String> value;
107:
108:                /** The strategy works as follows: the property named <code>key</code> is resolved; if this property
109:                 *  is not set, the default return value of <var>value</var> is returned. 
110:                 *  Otherwise, its value is compared, using the <code>equals</code>,
111:                 *  method with the elements of the <code>value</code> set, and the corresponding integer is returned.
112:                 * 
113:                 * @param key the key to be resolved.
114:                 * @param value the map of values.
115:                 */
116:                public StringBasedDispatchingStrategy(final Enum<?> key,
117:                        final Object2IntMap<String> value) {
118:                    this .key = key;
119:                    this .value = value;
120:                }
121:
122:                public int factoryNumber(
123:                        final Reference2ObjectMap<Enum<?>, Object> metadata,
124:                        final PropertyBasedDocumentFactory factory) {
125:                    final Object val = factory.resolve(key, metadata);
126:                    if (DEBUG)
127:                        System.out.println("key " + key + " resolved using "
128:                                + metadata + " into " + val);
129:                    return value.getInt(val);
130:                }
131:
132:            };
133:
134:            /** The number of subfactories used. */
135:            private int n;
136:            /** The subfactories used. */
137:            private DocumentFactory[] documentFactory;
138:            /** The number of fields of this factory. */
139:            private int numberOfFields;
140:            /** The names of the fields. */
141:            private String[] fieldName;
142:            /** The types of the fields. */
143:            private FieldType[] fieldType;
144:            /** The array specifying how subfactory fields should be mapped into fields of this factory. More precisely,
145:             *  <code>rename[f][k]</code> specifies which field of factory <code>documentFactory[f]</code> should be used
146:             *  to return the field named <code>fieldName[k]</code>: it is assumed that the type of the field in the subfactory
147:             *  is correct (i.e., that <code>documentFactory[f].fieldType(k)==fieldType[k]</code>). The value -1 is used to
148:             *  return an empty textual field (i.e., a word reader on an empty string).
149:             */
150:            private int[][] rename;
151:            /** The strategy to be used. */
152:            private DispatchingStrategy strategy;
153:            /** If a {@link StringBasedDispatchingStrategy} should be used, this field represents the property key to be checked. 
154:             *  Otherwise, this is <code>null</code>. */
155:            private Enum<?> dispatchingKey;
156:            /** If a {@link StringBasedDispatchingStrategy} should be used, this field represents the map from values to factories. */
157:            private Object2ObjectLinkedOpenHashMap<String, Class<? extends DocumentFactory>> value2factoryClass;
158:
159:            private void init(final DocumentFactory[] documentFactory,
160:                    final String[] fieldName, final FieldType[] fieldType,
161:                    final int[][] rename, final DispatchingStrategy strategy) {
162:                n = documentFactory.length;
163:                this .documentFactory = documentFactory;
164:                numberOfFields = fieldName.length;
165:                this .fieldName = fieldName;
166:                this .fieldType = fieldType;
167:                this .rename = rename;
168:                this .strategy = strategy;
169:            }
170:
171:            // TODO: All IllegalArgumentException where ConfigurationException; check that now it's OK
172:            private void checkAttributes() {
173:                if (fieldName.length != fieldType.length
174:                        || rename.length != documentFactory.length
175:                        || documentFactory.length != n
176:                        || fieldName.length != numberOfFields)
177:                    throw new IllegalArgumentException(
178:                            "Length mismatch in defining the dispatching factory");
179:                for (int f = 0; f < n; f++) {
180:                    if (rename[f].length != numberOfFields)
181:                        throw new IllegalArgumentException(
182:                                "The number of fields ("
183:                                        + numberOfFields
184:                                        + ") does not match the mapping rule for factory "
185:                                        + documentFactory[f].getClass()
186:                                                .getName());
187:                    for (int k = 0; k < numberOfFields; k++) {
188:                        if (rename[f][k] < -1
189:                                || rename[f][k] >= documentFactory[f]
190:                                        .numberOfFields())
191:                            throw new IllegalArgumentException(rename[f][k]
192:                                    + " is not a field of factory "
193:                                    + documentFactory[f]);
194:                        if (rename[f][k] >= 0
195:                                && fieldType[k] != documentFactory[f]
196:                                        .fieldType(rename[f][k]))
197:                            throw new IllegalArgumentException(
198:                                    "Field "
199:                                            + rename[f][k]
200:                                            + " of factory "
201:                                            + documentFactory[f]
202:                                            + " has a type different from the type of the field it is mapped to");
203:                    }
204:                }
205:                if (n == 0 || numberOfFields == 0)
206:                    throw new IllegalArgumentException(
207:                            "Zero factories or fields specified");
208:                if (strategy == null)
209:                    throw new IllegalArgumentException(
210:                            "No strategy was specified");
211:            }
212:
213:            private void setExtraArguments(final Object xtraPars)
214:                    throws IllegalArgumentException {
215:                if (value2factoryClass == null)
216:                    throw new IllegalArgumentException(
217:                            "No "
218:                                    + MetadataKeys.RULE
219:                                    + " property was specified for the dispatching factory");
220:                n = value2factoryClass.values().size();
221:                documentFactory = new DocumentFactory[n];
222:                Iterator<Class<? extends DocumentFactory>> it = value2factoryClass
223:                        .values().iterator();
224:                for (int f = 0; f < n; f++) {
225:                    Class<? extends DocumentFactory> documentFactoryClass = it
226:                            .next();
227:                    try {
228:                        if (xtraPars == null)
229:                            documentFactory[f] = documentFactoryClass
230:                                    .newInstance();
231:                        else
232:                            documentFactory[f] = documentFactoryClass
233:                                    .getConstructor(xtraPars.getClass())
234:                                    .newInstance(xtraPars);
235:                    } catch (Exception e) {
236:                        throw new IllegalArgumentException(e);
237:                    }
238:                }
239:
240:                fieldType = new FieldType[numberOfFields];
241:                if (rename == null)
242:                    throw new IllegalArgumentException(
243:                            "No "
244:                                    + MetadataKeys.MAP
245:                                    + " property was specified for the dispatching factory");
246:                for (int f = 0; f < n; f++) {
247:                    for (int k = 0; k < numberOfFields; k++) {
248:                        int kk = rename[f][k];
249:                        if (kk >= 0
250:                                && fieldType[k] != null
251:                                && fieldType[k] != documentFactory[f]
252:                                        .fieldType(kk))
253:                            throw new IllegalArgumentException(
254:                                    "Mismatch between field types for field "
255:                                            + f
256:                                            + ", relative to the remapping of factory "
257:                                            + documentFactory[f].getClass()
258:                                                    .getName()
259:                                            + " (the type used to be "
260:                                            + fieldType[k]
261:                                            + ", but now we want it to be "
262:                                            + documentFactory[f].fieldType(kk)
263:                                            + ")");
264:                        if (kk >= 0)
265:                            fieldType[k] = documentFactory[f].fieldType(kk);
266:                    }
267:                }
268:                for (int f = 0; f < numberOfFields; f++)
269:                    if (fieldType[f] == null)
270:                        throw new IllegalArgumentException(
271:                                "The type of field "
272:                                        + fieldName[f]
273:                                        + " could not be deduced, because it is never mapped to");
274:                if (dispatchingKey == null)
275:                    throw new IllegalArgumentException(
276:                            "No "
277:                                    + MetadataKeys.KEY
278:                                    + " property was specified for the dispatching factory");
279:                Object2IntMap<String> value2int = new Object2IntOpenHashMap<String>();
280:                value2int.defaultReturnValue(-1);
281:                for (Map.Entry<String, Class<? extends DocumentFactory>> e : value2factoryClass
282:                        .entrySet()) {
283:                    int k;
284:                    for (k = 0; k < n; k++)
285:                        if (e.getValue() == documentFactory[k].getClass()) {
286:                            if (e.getKey().equals(OTHERWISE_IN_RULE))
287:                                value2int.defaultReturnValue(k);
288:                            else
289:                                value2int.put(e.getKey(), k);
290:                            break;
291:                        }
292:                    if (k == n)
293:                        throw new IllegalArgumentException(
294:                                "Mismatch in the rule mapping " + e.getKey()
295:                                        + " to " + e.getValue());
296:                }
297:                System.out.println("Building a strategy mapping "
298:                        + dispatchingKey + " to " + value2int);
299:                strategy = new StringBasedDispatchingStrategy(dispatchingKey,
300:                        value2int);
301:
302:            }
303:
304:            /** Creates a new dispatching factory. 
305:             * 
306:             * @param documentFactory the array of subfactories.
307:             * @param fieldName the names of this factory's fields.
308:             * @param fieldType the types of this factory's fields. 
309:             * @param rename the way fields of this class are mapped to fields of the subfactories.
310:             * @param strategy the strategy to decide which factory should be used.
311:             */
312:            public DispatchingDocumentFactory(
313:                    final DocumentFactory[] documentFactory,
314:                    final String[] fieldName, final FieldType[] fieldType,
315:                    final int[][] rename, final DispatchingStrategy strategy) {
316:                init(documentFactory, fieldName, fieldType, rename, strategy);
317:                checkAttributes();
318:            }
319:
320:            public DispatchingDocumentFactory copy() {
321:                final DocumentFactory[] documentFactory = new DocumentFactory[this .documentFactory.length];
322:                for (int i = documentFactory.length; i-- != 0;)
323:                    documentFactory[i] = this .documentFactory[i].copy();
324:                return new DispatchingDocumentFactory(documentFactory,
325:                        fieldName, fieldType, rename, strategy);
326:            }
327:
328:            public DispatchingDocumentFactory(final Properties properties)
329:                    throws ConfigurationException {
330:                super (properties);
331:                setExtraArguments(properties);
332:                checkAttributes();
333:            }
334:
335:            public DispatchingDocumentFactory(final String[] property)
336:                    throws ConfigurationException {
337:                super (property);
338:                setExtraArguments(property);
339:                checkAttributes();
340:            }
341:
342:            public DispatchingDocumentFactory(
343:                    final Reference2ObjectMap<Enum<?>, Object> defaultMetadata) {
344:                super (defaultMetadata);
345:                checkAttributes(); // Will certainly fail because the configuration is actually missing
346:            }
347:
348:            public DispatchingDocumentFactory() {
349:                super ();
350:                checkAttributes(); // Will certainly fail because the configuration is actually missing
351:            }
352:
353:            @SuppressWarnings("unchecked")
354:            @Override
355:            protected boolean parseProperty(final String key,
356:                    final String[] values,
357:                    final Reference2ObjectMap<Enum<?>, Object> metadata)
358:                    throws ConfigurationException {
359:                if (sameKey(MetadataKeys.FIELDNAME, key)) {
360:                    fieldName = values;
361:                    numberOfFields = fieldName.length;
362:                    return true;
363:                } else if (sameKey(MetadataKeys.KEY, key)) {
364:                    final String dispatchingKeyName = ensureJustOne(key, values);
365:                    final int lastDot = dispatchingKeyName.lastIndexOf('.');
366:                    try {
367:                        dispatchingKey = Enum.valueOf((Class<Enum>) Class
368:                                .forName(dispatchingKeyName.substring(0,
369:                                        lastDot)), dispatchingKeyName
370:                                .substring(lastDot + 1));
371:                    } catch (ClassNotFoundException e) {
372:                        throw new IllegalArgumentException(
373:                                "The class specified in the key "
374:                                        + dispatchingKeyName
375:                                        + " cannot be found");
376:                    }
377:                    return true;
378:                } else if (sameKey(MetadataKeys.RULE, key)) {
379:                    String[] rules = values;
380:                    value2factoryClass = new Object2ObjectLinkedOpenHashMap<String, Class<? extends DocumentFactory>>();
381:                    int i, m = rules.length;
382:                    for (i = 0; i < m; i++) {
383:                        int pos = rules[i].indexOf(':');
384:                        if (pos <= 0 || pos == rules[i].length() - 1)
385:                            throw new ConfigurationException(
386:                                    "Rule "
387:                                            + rules[i]
388:                                            + " does not contain a colon or it is malformed");
389:                        if (rules[i].indexOf(':', pos + 1) >= 0)
390:                            throw new ConfigurationException("Rule " + rules[i]
391:                                    + " contains too many colons");
392:                        String factoryName = rules[i].substring(pos + 1);
393:                        Class<? extends DocumentFactory> factoryClass = null;
394:                        try {
395:                            factoryClass = (Class<? extends DocumentFactory>) Class
396:                                    .forName(factoryName);
397:                            if (!(DocumentFactory.class
398:                                    .isAssignableFrom(factoryClass)))
399:                                throw new ClassNotFoundException();
400:                        } catch (ClassNotFoundException e) {
401:                            throw new ConfigurationException(
402:                                    "ParsingFactory "
403:                                            + factoryName
404:                                            + " is invalid; maybe the package name is missing");
405:                        }
406:                        value2factoryClass.put(rules[i].substring(0, pos),
407:                                factoryClass);
408:                    }
409:                    m = value2factoryClass.values().size();
410:                    return true;
411:
412:                } else if (sameKey(MetadataKeys.MAP, key)) {
413:                    String[] pieces = values;
414:                    int i, m = pieces.length;
415:                    rename = new int[m][];
416:                    for (i = 0; i < m; i++) {
417:                        String[] subpieces = pieces[i].split(":");
418:                        if (i > 0 && subpieces.length != rename[0].length)
419:                            throw new ConfigurationException(
420:                                    "Length mismatch in the map " + values);
421:                        rename[i] = new int[subpieces.length];
422:                        for (int k = 0; k < subpieces.length; k++) {
423:                            try {
424:                                rename[i][k] = Integer.parseInt(subpieces[k]);
425:                            } catch (NumberFormatException e) {
426:                                throw new ConfigurationException(
427:                                        "Number format exception in the map "
428:                                                + values);
429:                            }
430:                        }
431:                    }
432:                }
433:                return super .parseProperty(key, values, metadata);
434:            }
435:
436:            public int numberOfFields() {
437:                return numberOfFields;
438:            }
439:
440:            public String fieldName(final int field) {
441:                ensureFieldIndex(field);
442:                return fieldName[field];
443:            }
444:
445:            public int fieldIndex(final String fieldName) {
446:                for (int k = 0; k < numberOfFields; k++)
447:                    if (this .fieldName[k].equals(fieldName))
448:                        return k;
449:                return -1;
450:            }
451:
452:            public FieldType fieldType(final int field) {
453:                ensureFieldIndex(field);
454:                return fieldType[field];
455:            }
456:
457:            /** A word reader that is returned when a null field should be returned. */
458:            final private WordReader nullReader = new FastBufferedReader();
459:
460:            public Document getDocument(final InputStream rawContent,
461:                    final Reference2ObjectMap<Enum<?>, Object> metadata)
462:                    throws IOException {
463:
464:                final int factoryIndex = strategy.factoryNumber(metadata, this );
465:                System.out.println("The strategy returned " + factoryIndex);
466:                if (factoryIndex < 0 || factoryIndex >= n)
467:                    throw new IllegalArgumentException();
468:
469:                System.out.println("Going to parse a document with " + metadata
470:                        + ", using "
471:                        + documentFactory[factoryIndex].getClass().getName());
472:
473:                final DocumentFactory factory = documentFactory[factoryIndex];
474:                final Document document = factory.getDocument(rawContent,
475:                        metadata);
476:
477:                return new AbstractDocument() {
478:                    public CharSequence title() {
479:                        return document.title();
480:                    }
481:
482:                    public String toString() {
483:                        return document.toString();
484:                    }
485:
486:                    public CharSequence uri() {
487:                        return document.uri();
488:                    }
489:
490:                    public Object content(final int field) throws IOException {
491:                        ensureFieldIndex(field);
492:                        if (rename[factoryIndex][field] < 0)
493:                            return NullReader.getInstance();
494:                        return document.content(rename[factoryIndex][field]);
495:                    }
496:
497:                    public WordReader wordReader(final int field) {
498:                        ensureFieldIndex(field);
499:                        if (rename[factoryIndex][field] < 0)
500:                            return nullReader;
501:                        return document.wordReader(rename[factoryIndex][field]);
502:                    }
503:
504:                    public void close() throws IOException {
505:                        super .close();
506:                        document.close();
507:                    }
508:                };
509:
510:            }
511:
512:            public static void main(final String[] arg) throws IOException,
513:                    ConfigurationException {
514:                //PdfDocumentFactory pdfFactory = new PdfDocumentFactory();
515:                //HtmlDocumentFactory htmlFactory = new HtmlDocumentFactory();
516:                //IdentityDocumentFactory idFactory = new IdentityDocumentFactory();
517:                //Object2IntMap map = new Object2IntOpenHashMap(
518:                //		new String[] { "application/pdf", "text/html" },
519:                //		new int[] { 0, 1 }
520:                //	);
521:                //map.defaultReturnValue( 2 );
522:                //DispatchingStrategy strategy = new StringBasedDispatchingStrategy( MetadataKeys.MIMETYPE, map	);
523:
524:                Properties p = new Properties();
525:                p.addProperty(MetadataKeys.FIELDNAME.name().toLowerCase(),
526:                        "text,title");
527:                p.addProperty(MetadataKeys.KEY.name().toLowerCase(),
528:                        PropertyBasedDocumentFactory.MetadataKeys.MIMETYPE
529:                                .name());
530:                p
531:                        .addProperty(
532:                                MetadataKeys.RULE.name().toLowerCase(),
533:                                "application/pdf:it.unimi.dsi.mg4j.document.PdfDocumentFactory,text/html:it.unimi.dsi.mg4j.document.HtmlDocumentFactory,?:it.unimi.dsi.mg4j.document.IdentityDocumentFactory");
534:                p.addProperty(MetadataKeys.MAP.name().toLowerCase(),
535:                        "0:-1,0:1,0:-1");
536:                p.addProperty(MetadataKeys.MAP.name().toLowerCase(),
537:                        "0:-1,0:1,0:-1");
538:                p.addProperty(MetadataKeys.MAP.name().toLowerCase(),
539:                        "0:-1,0:1,0:-1");
540:                p.addProperty(
541:                        PropertyBasedDocumentFactory.MetadataKeys.ENCODING
542:                                .name().toLowerCase(), "iso-8859-1");
543:
544:                DispatchingDocumentFactory factory = new DispatchingDocumentFactory(
545:                        p);
546:                DocumentCollection dc = new FileSetDocumentCollection(arg,
547:                        factory);
548:                BinIO.storeObject(dc, "test.collection");
549:            }
550:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.