Source Code Cross Referenced for DocumentImpl.java in  » J2EE » Enhydra-Demos » org » enhydra » dm » business » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Enhydra Demos » org.enhydra.dm.business 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * 
003:         */package org.enhydra.dm.business;
004:
005:        import java.io.IOException;
006:        import java.math.BigDecimal;
007:        import java.security.MessageDigest;
008:        import java.security.NoSuchAlgorithmException;
009:        import java.sql.Timestamp;
010:        import java.text.DateFormat;
011:        import java.text.SimpleDateFormat;
012:        import java.util.Date;
013:        import java.util.Locale;
014:
015:        import org.enhydra.dm.api.Document;
016:        import org.enhydra.dm.api.DocumentVersion;
017:        import org.enhydra.dm.api.FoDocument;
018:        import org.enhydra.dm.api.exceptions.BaseException;
019:        import org.enhydra.dm.business.exceptions.DatabaseException;
020:        import org.enhydra.dm.data.DocumentDO;
021:        import org.enhydra.dm.data.FoDocumentDO;
022:        import org.enhydra.dm.util.Numerator;
023:
024:        /**
025:         * Implementation of Document interface.
026:         * 
027:         * @author Slobodan Vujasinovic
028:         */
029:        public class DocumentImpl implements  Document {
030:
031:            private static final DateFormat LAST_MODIFIED_FORMAT = new SimpleDateFormat(
032:                    "E, dd MMM yyyy HH:mm:ss z", Locale.US);
033:
034:            private static final String DOCUMENT_NUMBER_COLUMN_NAME = "DOCUMENT";
035:
036:            private static MessageDigest digest;
037:
038:            String id;
039:
040:            String number;
041:
042:            String name;
043:
044:            String filepath;
045:
046:            long size;
047:
048:            String mimeType;
049:
050:            String createdBy = null;
051:
052:            String lockedBy = null;
053:
054:            boolean archived;
055:
056:            boolean autoversionable;
057:
058:            String currentVersionNumber;
059:
060:            String checkedOutBy = null;
061:
062:            long createdDate;
063:
064:            String lastModifiedBy = null;
065:
066:            long lastModifiedDate;
067:
068:            String deletedBy = null;
069:
070:            long deletedDate;
071:
072:            boolean template;
073:
074:            Document templateRef = null;
075:
076:            FoDocument foDocumentRef = null;
077:
078:            DocumentImpl() {
079:
080:            }
081:
082:            public DocumentImpl(DocumentDO documentDO) throws BaseException {
083:                try {
084:                    setId(documentDO.get_Handle());
085:                    setNumber(String.valueOf(documentDO.getLOGNUM()));
086:                    setName(documentDO.getNAME());
087:                    setFilepath(documentDO.getFILEPATH());
088:                    setSize(documentDO.getSIZE().intValue());
089:                    setMimeType(documentDO.getMIMETYPE());
090:                    setCreatedDate(documentDO.getCREATEDDATE().getTime());
091:                    setArchived(documentDO.getARCHIVED());
092:                    setAutoversionable(documentDO.getAUTOVERSIONABLE());
093:                    setCurrentVersionNumber(documentDO
094:                            .getCURRENTVERSIONNUMBER().toString());
095:                    setLastModifiedDate(documentDO.getLASTMODIFIEDDATE()
096:                            .getTime());
097:                    setTemplate(documentDO.getISTEMPLATE());
098:
099:                    setCreatedBy(documentDO.getCREATEDBY());
100:                    setCheckedOutBy(documentDO.getCHECKEDOUTBY());
101:                    setLockedBy(documentDO.getLOCKEDBY());
102:                    setLastModifiedBy(documentDO.getLASTMODIFIEDBY());
103:                    setDeletedBy(documentDO.getDELETEDBY());
104:
105:                    /*
106:                     * Check for possible null values
107:                     */
108:
109:                    DocumentDO templateDocDO = documentDO.getTEMPLATEREF();
110:                    if (templateDocDO != null) {
111:                        setTemplateRef(new DocumentImpl(templateDocDO));
112:                    }
113:
114:                    FoDocumentDO foDocDO = documentDO.getFODOCUMENTREF();
115:                    if (foDocDO != null) {
116:                        setFoDocumentRef(new FoDocumentImpl(foDocDO));
117:                    }
118:
119:                    Timestamp delDate = documentDO.getDELETEDDATE();
120:                    if (delDate != null) {
121:                        setDeletedDate(delDate.getTime());
122:                    }
123:                } catch (Exception e) {
124:                    throw new DatabaseException(e);
125:                }
126:            }
127:
128:            /**
129:             * Returns the entity tag for the specified resource. The returned string uniquely
130:             * identifies the current incarnation of the given resource.
131:             * 
132:             * @param file The resource whose entity tag is to be retrieved.
133:             * @return A <code>String</code> containing the entity tag for the resource.
134:             */
135:            public String getETag() {
136:
137:                try {
138:                    digest = MessageDigest.getInstance("MD5");
139:
140:                    String key = this .getName() + ":"
141:                            + Long.toHexString(this .getLastModifiedDate());
142:                    byte[] hashBytes = null;
143:                    synchronized (digest) {
144:                        hashBytes = digest.digest(key.getBytes("UTF-8"));
145:                    }
146:                    StringBuffer hash = new StringBuffer();
147:                    int count = hashBytes.length;
148:                    for (int i = 0; i < count; i++) {
149:                        hash.append(Integer
150:                                .toHexString((hashBytes[i] >> 4) & 0x0f));
151:                        hash.append(Integer.toHexString(hashBytes[i] & 0x0f));
152:                    }
153:                    return "\"" + hash.toString() + "\"";
154:                } catch (IOException ex) {
155:                    return null;
156:                } catch (NoSuchAlgorithmException e) {
157:                    return null;
158:                }
159:            }
160:
161:            /**
162:             * Formats a timestamp (representing milliseconds since the epoch) as used in the
163:             * WebDAV <code>getlastmodified</code> property.
164:             * 
165:             * @return A <code>String</code> containing the formatted result.
166:             */
167:            public String getLastModifiedFormated() {
168:                synchronized (LAST_MODIFIED_FORMAT) {
169:                    return LAST_MODIFIED_FORMAT.format(new Date(this 
170:                            .getLastModifiedDate()));
171:                }
172:            }
173:
174:            public DocumentDO createDO() throws BaseException {
175:                try {
176:                    DocumentDO documentDO = DocumentDO.createVirgin();
177:                    documentDO.setNAME(this .getName());
178:                    documentDO.setFILEPATH(this .getFilepath());
179:                    documentDO.setSIZE(new BigDecimal(this .getSize()));
180:                    documentDO.setMIMETYPE(this .getMimeType());
181:                    documentDO.setCREATEDDATE(new Timestamp(this 
182:                            .getCreatedDate()));
183:                    documentDO.setDELETEDDATE(new Timestamp(this 
184:                            .getDeletedDate()));
185:                    documentDO.setARCHIVED(this .isArchived());
186:                    documentDO.setAUTOVERSIONABLE(this .isAutoversionable());
187:                    documentDO.setCURRENTVERSIONNUMBER(new BigDecimal(this 
188:                            .getCurrentVersionNumber()));
189:                    documentDO.setLASTMODIFIEDDATE(new Timestamp(this 
190:                            .getLastModifiedDate()));
191:                    documentDO.setISTEMPLATE(this .isTemplate());
192:                    documentDO.setLOGNUM(Numerator.getNext(
193:                            DOCUMENT_NUMBER_COLUMN_NAME).intValue());
194:
195:                    return documentDO;
196:                } catch (Exception e) {
197:                    throw new DatabaseException(e);
198:                }
199:            }
200:
201:            public DocumentVersion createVersion() {
202:                DocumentVersion dv = (DocumentVersion) new DocumentVersionImpl();
203:                dv.setFilepath(getFilepath());
204:                dv.setLastModifiedDate(getLastModifiedDate());
205:                dv.setSize(getSize());
206:                dv.setFoDocumentRef(getFoDocumentRef());
207:                dv.setVersionDate(System.currentTimeMillis());
208:                dv.setVersionNumber(getCurrentVersionNumber());
209:
210:                return dv;
211:            }
212:
213:            public boolean isArchived() {
214:                return archived;
215:            }
216:
217:            public void setArchived(boolean archived) {
218:                this .archived = archived;
219:            }
220:
221:            public boolean isAutoversionable() {
222:                return autoversionable;
223:            }
224:
225:            public void setAutoversionable(boolean autoversionable) {
226:                this .autoversionable = autoversionable;
227:            }
228:
229:            public String getCheckedOutBy() {
230:                return checkedOutBy;
231:            }
232:
233:            public void setCheckedOutBy(String checkedOutBy) {
234:                this .checkedOutBy = checkedOutBy;
235:            }
236:
237:            public String getCreatedBy() {
238:                return createdBy;
239:            }
240:
241:            public void setCreatedBy(String createdBy) {
242:                this .createdBy = createdBy;
243:            }
244:
245:            public long getCreatedDate() {
246:                return createdDate;
247:            }
248:
249:            public void setCreatedDate(long createdDate) {
250:                this .createdDate = createdDate;
251:            }
252:
253:            public String getCurrentVersionNumber() {
254:                return currentVersionNumber;
255:            }
256:
257:            public void setCurrentVersionNumber(String currentVersionNumber) {
258:                this .currentVersionNumber = currentVersionNumber;
259:            }
260:
261:            public String getFilepath() {
262:                return filepath;
263:            }
264:
265:            public void setFilepath(String filepath) {
266:                this .filepath = filepath;
267:            }
268:
269:            public FoDocument getFoDocumentRef() {
270:                return foDocumentRef;
271:            }
272:
273:            public void setFoDocumentRef(FoDocument foDocumentRef) {
274:                this .foDocumentRef = foDocumentRef;
275:            }
276:
277:            public String getLastModifiedBy() {
278:                return lastModifiedBy;
279:            }
280:
281:            public void setLastModifiedBy(String lastModifiedBy) {
282:                this .lastModifiedBy = lastModifiedBy;
283:            }
284:
285:            public long getLastModifiedDate() {
286:                return lastModifiedDate;
287:            }
288:
289:            public void setLastModifiedDate(long lastModifiedDate) {
290:                this .lastModifiedDate = lastModifiedDate;
291:            }
292:
293:            public String getLockedBy() {
294:                return lockedBy;
295:            }
296:
297:            public void setLockedBy(String lockedBy) {
298:                this .lockedBy = lockedBy;
299:            }
300:
301:            public String getMimeType() {
302:                return mimeType;
303:            }
304:
305:            public void setMimeType(String mimeType) {
306:                this .mimeType = mimeType;
307:            }
308:
309:            public String getName() {
310:                return name;
311:            }
312:
313:            public void setName(String name) {
314:                this .name = name;
315:            }
316:
317:            public String getNumber() {
318:                return number;
319:            }
320:
321:            public String getId() {
322:                return id;
323:            }
324:
325:            public void setNumber(String number) {
326:                this .number = number;
327:            }
328:
329:            public void setId(String id) {
330:                this .id = id;
331:            }
332:
333:            public long getSize() {
334:                return size;
335:            }
336:
337:            public void setSize(long size) {
338:                this .size = size;
339:            }
340:
341:            public boolean isTemplate() {
342:                return template;
343:            }
344:
345:            public void setTemplate(boolean template) {
346:                this .template = template;
347:            }
348:
349:            public Document getTemplateRef() {
350:                return templateRef;
351:            }
352:
353:            public void setTemplateRef(Document templateRef) {
354:                this .templateRef = templateRef;
355:            }
356:
357:            public String getDeletedBy() {
358:                return deletedBy;
359:            }
360:
361:            public void setDeletedBy(String deletedBy) {
362:                this .deletedBy = deletedBy;
363:            }
364:
365:            public long getDeletedDate() {
366:                return deletedDate;
367:            }
368:
369:            public void setDeletedDate(long deletedDate) {
370:                this.deletedDate = deletedDate;
371:            }
372:
373:        }
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