Source Code Cross Referenced for DbSettings.java in  » Database-Client » SQL-Workbench » workbench » db » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database Client » SQL Workbench » workbench.db 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DbSettings.java
003:         *
004:         * This file is part of SQL Workbench/J, http://www.sql-workbench.net
005:         *
006:         * Copyright 2002-2008, Thomas Kellerer
007:         * No part of this code maybe reused without the permission of the author
008:         *
009:         * To contact the author please send an email to: support@sql-workbench.net
010:         *
011:         */
012:        package workbench.db;
013:
014:        import java.sql.DatabaseMetaData;
015:        import java.util.HashMap;
016:        import java.util.List;
017:        import java.util.Map;
018:        import workbench.log.LogMgr;
019:        import workbench.resource.Settings;
020:        import workbench.util.StringUtil;
021:
022:        /**
023:         * Stores and manages db specific settings.
024:         * 
025:         * @author support@sql-workbench.net
026:         */
027:        public class DbSettings {
028:            private String dbId;
029:            private boolean caseSensitive;
030:            private boolean useJdbcCommit;
031:            private boolean ddlNeedsCommit;
032:            private boolean trimDefaults = true;
033:
034:            private boolean neverQuoteObjects;
035:            private boolean reportsRealSizeAsDisplaySize = false;
036:            private boolean allowExtendedCreateStatement = true;
037:
038:            private boolean allowsMultipleGetUpdateCounts = true;
039:            private boolean supportsBatchedStatements = false;
040:
041:            private Map<Integer, String> indexTypeMapping;
042:            public static final String IDX_TYPE_NORMAL = "NORMAL";
043:
044:            public DbSettings(String id, String productName) {
045:                this .dbId = id;
046:                Settings settings = Settings.getInstance();
047:
048:                this .caseSensitive = settings.getBoolProperty("workbench.db."
049:                        + getDbId() + ".casesensitive", false)
050:                        || settings.getCaseSensitivServers().contains(
051:                                productName);
052:                this .useJdbcCommit = settings.getBoolProperty("workbench.db."
053:                        + getDbId() + ".usejdbccommit", false)
054:                        || settings.getServersWhichNeedJdbcCommit().contains(
055:                                productName);
056:                this .ddlNeedsCommit = settings.getBoolProperty("workbench.db."
057:                        + getDbId() + ".ddlneedscommit", false)
058:                        || settings.getServersWhereDDLNeedsCommit().contains(
059:                                productName);
060:
061:                // Migrate old list-based properties to new dbid based properties
062:                // If the flags were already set with the new format, re-applying the 
063:                // value won't change anything
064:                if (caseSensitive) {
065:                    settings.removeCaseSensitivServer(productName);
066:                    settings.setProperty("workbench.db." + getDbId()
067:                            + ".casesensitive", true);
068:                }
069:                if (ddlNeedsCommit) {
070:                    settings.removeDDLCommitServer(productName);
071:                    settings.setProperty("workbench.db." + getDbId()
072:                            + ".ddlneedscommit", true);
073:                }
074:                if (useJdbcCommit) {
075:                    settings.removeJdbcCommitServer(productName);
076:                    settings.setProperty("workbench.db." + getDbId()
077:                            + ".usejdbccommit", true);
078:                }
079:
080:                List<String> quote = StringUtil.stringToList(settings
081:                        .getProperty("workbench.db.neverquote", ""));
082:                this .neverQuoteObjects = quote.contains(this .getDbId());
083:                this .trimDefaults = settings.getBoolProperty("workbench.db."
084:                        + getDbId() + ".trimdefaults", true);
085:                this .allowsMultipleGetUpdateCounts = settings.getBoolProperty(
086:                        "workbench.db." + getDbId() + ".multipleupdatecounts",
087:                        true);
088:                this .reportsRealSizeAsDisplaySize = settings.getBoolProperty(
089:                        "workbench.db." + getDbId()
090:                                + ".charsize.usedisplaysize", false);
091:                this .allowExtendedCreateStatement = settings.getBoolProperty(
092:                        "workbench.db." + getDbId() + ".extended.createstmt",
093:                        true);
094:                this .supportsBatchedStatements = settings.getBoolProperty(
095:                        "workbench.db." + getDbId() + ".batchedstatements",
096:                        false);
097:            }
098:
099:            String getDbId() {
100:                return this .dbId;
101:            }
102:
103:            public boolean longVarcharIsClob() {
104:                return Settings.getInstance()
105:                        .getBoolProperty(
106:                                "workbench.db." + getDbId()
107:                                        + ".clob.longvarchar", true);
108:            }
109:
110:            public boolean supportsBatchedStatements() {
111:                return this .supportsBatchedStatements;
112:            }
113:
114:            public boolean allowsExtendedCreateStatement() {
115:                return allowExtendedCreateStatement;
116:            }
117:
118:            public boolean allowsMultipleGetUpdateCounts() {
119:                return this .allowsMultipleGetUpdateCounts;
120:            }
121:
122:            public boolean reportsRealSizeAsDisplaySize() {
123:                return this .reportsRealSizeAsDisplaySize;
124:            }
125:
126:            public boolean ddlNeedsCommit() {
127:                return ddlNeedsCommit;
128:            }
129:
130:            public boolean neverQuoteObjects() {
131:                return neverQuoteObjects;
132:            }
133:
134:            public boolean trimDefaults() {
135:                return trimDefaults;
136:            }
137:
138:            public boolean useSetNull() {
139:                return Settings.getInstance().getBoolProperty(
140:                        "workbench.db." + getDbId() + ".import.use.setnull",
141:                        false);
142:            }
143:
144:            public boolean useJdbcCommit() {
145:                return useJdbcCommit;
146:            }
147:
148:            public boolean isStringComparisonCaseSensitive() {
149:                return this .caseSensitive;
150:            }
151:
152:            public boolean getDefaultBeforeNull() {
153:                return Settings.getInstance().getBoolProperty(
154:                        "workbench.db.defaultbeforenull." + this .getDbId(),
155:                        false);
156:            }
157:
158:            /**
159:             *	Return the verb which does a DROP ... CASCADE for the given
160:             *  object type. If the current DBMS does not support cascaded dropping
161:             *  of objects, then null will be returned.
162:             *
163:             *	@param aType the database object type to drop (TABLE, VIEW etc)
164:             *  @return a String which can be appended to a DROP type name command in order to drop dependent objects as well
165:             *          or null if the current DBMS does not support this.
166:             */
167:            public String getCascadeConstraintsVerb(String aType) {
168:                if (aType == null)
169:                    return null;
170:                String verb = Settings.getInstance().getProperty(
171:                        "workbench.db.drop." + aType.toLowerCase()
172:                                + ".cascade." + getDbId(), null);
173:                return verb;
174:            }
175:
176:            public boolean needsCatalogIfNoCurrent() {
177:                return Settings.getInstance().getBoolProperty(
178:                        "workbench.db." + this .getDbId()
179:                                + ".catalog.neededwhenempty", false);
180:            }
181:
182:            public String getInsertForImport() {
183:                return Settings.getInstance().getProperty(
184:                        "workbench.db." + this .getDbId() + ".import.insert",
185:                        null);
186:            }
187:
188:            public String getRefCursorTypeName() {
189:                return Settings.getInstance().getProperty(
190:                        "workbench.db." + getDbId() + ".refcursor.typename",
191:                        null);
192:            }
193:
194:            public int getRefCursorDataType() {
195:                return Settings.getInstance().getIntProperty(
196:                        "workbench.db." + getDbId() + ".refcursor.typevalue",
197:                        Integer.MIN_VALUE);
198:            }
199:
200:            public boolean useWbProcedureCall() {
201:                return Settings.getInstance().getBoolProperty(
202:                        "workbench.db." + getDbId() + ".procs.use.wbcall",
203:                        false);
204:            }
205:
206:            public boolean needsTableForDropIndex() {
207:                boolean needsTable = Settings.getInstance().getBoolProperty(
208:                        "workbench.db." + getDbId() + ".dropindex.needstable",
209:                        false);
210:                return needsTable;
211:            }
212:
213:            public boolean useSavepointForImport() {
214:                return Settings.getInstance().getBoolProperty(
215:                        "workbench.db." + this .getDbId()
216:                                + ".import.usesavepoint", false);
217:            }
218:
219:            public boolean useSavePointForDML() {
220:                return Settings.getInstance().getBoolProperty(
221:                        "workbench.db." + getDbId() + ".sql.usesavepoint",
222:                        false);
223:            }
224:
225:            public boolean useSavePointForDDL() {
226:                return Settings.getInstance().getBoolProperty(
227:                        "workbench.db." + getDbId() + ".ddl.usesavepoint",
228:                        false);
229:            }
230:
231:            /**
232:             * Returns the type for the formatter 
233:             * @return hex, octal, char
234:             */
235:            public String getBlobLiteralType() {
236:                return Settings.getInstance().getProperty(
237:                        "workbench.db." + getDbId() + ".blob.literal.type",
238:                        "hex");
239:            }
240:
241:            public String getBlobLiteralPrefix() {
242:                return Settings.getInstance().getProperty(
243:                        "workbench.db." + getDbId() + ".blob.literal.prefix",
244:                        null);
245:            }
246:
247:            public String getBlobLiteralSuffix() {
248:                return Settings.getInstance().getProperty(
249:                        "workbench.db." + getDbId() + ".blob.literal.suffix",
250:                        null);
251:            }
252:
253:            public boolean getBlobLiteralUpperCase() {
254:                return Settings.getInstance().getBoolProperty(
255:                        "workbench.db." + getDbId() + ".blob.literal.upcase",
256:                        false);
257:            }
258:
259:            public boolean supportSingleLineCommands() {
260:                String ids = Settings.getInstance().getProperty(
261:                        "workbench.db.checksinglelinecmd", "");
262:                if ("*".equals(ids))
263:                    return true;
264:                List dbs = StringUtil.stringToList(ids, ",", true, true);
265:                return dbs.contains(this .getDbId());
266:            }
267:
268:            public String getLineComment() {
269:                return Settings.getInstance().getProperty(
270:                        "workbench.db." + getDbId() + ".linecomment", null);
271:            }
272:
273:            public boolean supportsQueryTimeout() {
274:                boolean result = Settings.getInstance().getBoolProperty(
275:                        "workbench.db." + getDbId() + ".supportquerytimeout",
276:                        true);
277:                return result;
278:            }
279:
280:            public boolean supportsGetPrimaryKeys() {
281:                boolean result = Settings.getInstance().getBoolProperty(
282:                        "workbench.db." + getDbId() + ".supportgetpk", true);
283:                return result;
284:            }
285:
286:            public boolean supportShortInclude() {
287:                String ids = Settings.getInstance().getProperty(
288:                        "workbench.db.supportshortinclude", "");
289:                if ("*".equals(ids))
290:                    return true;
291:                List dbs = StringUtil.stringToList(ids, ",", true, true);
292:                return dbs.contains(this .getDbId());
293:            }
294:
295:            public String getProcVersionDelimiter() {
296:                return Settings.getInstance().getProperty(
297:                        "workbench.db.procversiondelimiter." + this .getDbId(),
298:                        null);
299:            }
300:
301:            public boolean supportsTruncate() {
302:                String s = Settings.getInstance().getProperty(
303:                        "workbench.db.truncatesupported",
304:                        StringUtil.EMPTY_STRING);
305:                List l = StringUtil.stringToList(s, ",");
306:                return l.contains(this .getDbId());
307:            }
308:
309:            public boolean isViewType(String type) {
310:                if (type == null)
311:                    return false;
312:                type = type.toLowerCase();
313:                if (type.toUpperCase().indexOf("VIEW") > -1)
314:                    return true;
315:                String viewTypes = Settings.getInstance().getProperty(
316:                        "workbench.db." + getDbId() + ".additional.viewtypes",
317:                        "view").toLowerCase();
318:                List types = StringUtil.stringToList(viewTypes, ",", true,
319:                        true, false);
320:                return (types.contains(type.toLowerCase()));
321:            }
322:
323:            public boolean isSynonymType(String type) {
324:                if (type == null)
325:                    return false;
326:                String synTypes = Settings.getInstance().getProperty(
327:                        "workbench.db." + getDbId() + ".synonymtypes",
328:                        "synonym").toLowerCase();
329:                List types = StringUtil.stringToList(synTypes, ",", true, true,
330:                        false);
331:                return (types.contains(type.toLowerCase()));
332:            }
333:
334:            String mapIndexType(Object type) {
335:                if (type == null)
336:                    return null;
337:                if (type instanceof  String) {
338:                    int t = StringUtil.getIntValue((String) type,
339:                            Integer.MIN_VALUE);
340:                    if (t == Integer.MIN_VALUE)
341:                        return (String) type;
342:                    return mapIndexType(t);
343:                }
344:                if (type instanceof  Number) {
345:                    return mapIndexType(((Number) type).intValue());
346:                }
347:                return null;
348:            }
349:
350:            String mapIndexType(int type) {
351:                if (indexTypeMapping == null) {
352:                    this .indexTypeMapping = new HashMap<Integer, String>();
353:                    String map = Settings.getInstance().getProperty(
354:                            "workbench.db." + getDbId() + ".indextypes", null);
355:                    if (map != null) {
356:                        List<String> entries = StringUtil.stringToList(map,
357:                                ";", true, true);
358:                        for (String entry : entries) {
359:                            String[] mapping = entry.split(",");
360:                            if (mapping.length != 2)
361:                                continue;
362:                            int value = StringUtil.getIntValue(mapping[0],
363:                                    Integer.MIN_VALUE);
364:                            if (value != Integer.MIN_VALUE) {
365:                                indexTypeMapping.put(new Integer(value),
366:                                        mapping[1]);
367:                            }
368:                        }
369:                    }
370:                }
371:                String dbmsType = this .indexTypeMapping.get(new Integer(type));
372:                if (dbmsType == null) {
373:                    if (Settings.getInstance().getDebugMetadataSql()) {
374:                        LogMgr.logDebug("DbSettings.mapIndexType()",
375:                                "No mapping for type = " + type);
376:                    }
377:                    return IDX_TYPE_NORMAL;
378:                }
379:                return dbmsType;
380:            }
381:
382:            public boolean proceduresNeedTerminator() {
383:                String value = Settings.getInstance().getProperty(
384:                        "workbench.db.noprocterminator", null);
385:                if (value == null)
386:                    return true;
387:                List l = StringUtil.stringToList(value, ",");
388:                return !l.contains(this .dbId);
389:            }
390:
391:            public IdentifierCase getSchemaNameCase() {
392:                // This allows overriding the default value returned by the JDBC driver
393:                String nameCase = Settings.getInstance().getProperty(
394:                        "workbench.db." + this .getDbId() + ".schemaname.case",
395:                        null);
396:                if (nameCase != null) {
397:                    if ("lower".equals(nameCase)) {
398:                        return IdentifierCase.lower;
399:                    } else if ("upper".equals(nameCase)) {
400:                        return IdentifierCase.upper;
401:                    } else if ("mixed".equals(nameCase)) {
402:                        return IdentifierCase.mixed;
403:                    }
404:                }
405:                return IdentifierCase.unknown;
406:            }
407:
408:            public IdentifierCase getObjectNameCase() {
409:                // This allows overriding the default value returned by the JDBC driver
410:                String nameCase = Settings.getInstance().getProperty(
411:                        "workbench.db." + this .getDbId() + ".objectname.case",
412:                        null);
413:                if (nameCase != null) {
414:                    if ("lower".equals(nameCase)) {
415:                        return IdentifierCase.lower;
416:                    } else if ("upper".equals(nameCase)) {
417:                        return IdentifierCase.upper;
418:                    } else if ("mixed".equals(nameCase)) {
419:                        return IdentifierCase.mixed;
420:                    }
421:                }
422:                return IdentifierCase.unknown;
423:            }
424:
425:            /**
426:             *	Translates the numberic constants of DatabaseMetaData for trigger rules
427:             *	into text (e.g DatabaseMetaData.importedKeyNoAction --> NO ACTION)
428:             *
429:             *	@param code the numeric value for a rule as defined by DatabaseMetaData.importedKeyXXXX constants
430:             *	@return String
431:             */
432:            public String getRuleDisplay(int code) {
433:                StringBuilder key = new StringBuilder(40);
434:                switch (code) {
435:                case DatabaseMetaData.importedKeyNoAction:
436:                    key.append("workbench.sql.fkrule.noaction");
437:                    break;
438:                case DatabaseMetaData.importedKeyRestrict:
439:                    key.append("workbench.sql.fkrule.restrict");
440:                    break;
441:                case DatabaseMetaData.importedKeySetNull:
442:                    key.append("workbench.sql.fkrule.setnull");
443:                    break;
444:                case DatabaseMetaData.importedKeyCascade:
445:                    key.append("workbench.sql.fkrule.cascade");
446:                    break;
447:                case DatabaseMetaData.importedKeySetDefault:
448:                    key.append("workbench.sql.fkrule.setdefault");
449:                    break;
450:                case DatabaseMetaData.importedKeyInitiallyDeferred:
451:                    key.append("workbench.sql.fkrule.initiallydeferred");
452:                    break;
453:                case DatabaseMetaData.importedKeyInitiallyImmediate:
454:                    key.append("workbench.sql.fkrule.initiallyimmediate");
455:                    break;
456:                case DatabaseMetaData.importedKeyNotDeferrable:
457:                    key.append("workbench.sql.fkrule.notdeferrable");
458:                    break;
459:                default:
460:                    key = null;
461:                }
462:                if (key != null) {
463:                    key.append('.');
464:                    key.append(this .getDbId());
465:                    String display = Settings.getInstance().getProperty(
466:                            key.toString(), null);
467:                    if (display != null)
468:                        return display;
469:                }
470:                switch (code) {
471:                case DatabaseMetaData.importedKeyNoAction:
472:                    return "NO ACTION";
473:                case DatabaseMetaData.importedKeyRestrict:
474:                    return "RESTRICT";
475:                case DatabaseMetaData.importedKeySetNull:
476:                    return "SET NULL";
477:                case DatabaseMetaData.importedKeyCascade:
478:                    return "CASCADE";
479:                case DatabaseMetaData.importedKeySetDefault:
480:                    return "SET DEFAULT";
481:                case DatabaseMetaData.importedKeyInitiallyDeferred:
482:                    return "INITIALLY DEFERRED";
483:                case DatabaseMetaData.importedKeyInitiallyImmediate:
484:                    return "INITIALLY IMMEDIATE";
485:                case DatabaseMetaData.importedKeyNotDeferrable:
486:                    return "NOT DEFERRABLE";
487:                default:
488:                    return StringUtil.EMPTY_STRING;
489:                }
490:            }
491:
492:            public boolean useSetCatalog() {
493:                return Settings.getInstance().getBoolProperty(
494:                        "workbench.db." + this .getDbId() + ".usesetcatalog",
495:                        true);
496:            }
497:
498:            public boolean isNotDeferrable(String deferrable) {
499:                if (StringUtil.isEmptyString(deferrable))
500:                    return true;
501:                return (deferrable
502:                        .equals(getRuleDisplay(DatabaseMetaData.importedKeyNotDeferrable)));
503:            }
504:
505:            /**
506:             * Retrieve the list of datatypes that should be ignored for the current 
507:             * dbms. The names in that list must match the names returned   
508:             * by DatabaseMetaData.getTypeInfo() 
509:             */
510:            public List<String> getDataTypesToIgnore() {
511:                String types = Settings.getInstance().getProperty(
512:                        "workbench.ignoretypes." + getDbId(), null);
513:                List<String> ignored = StringUtil.stringToList(types, ",",
514:                        true, true);
515:                return ignored;
516:            }
517:
518:            public String getQueryForCurrentCatalog() {
519:                String query = Settings.getInstance().getProperty(
520:                        "workbench.db." + this .getDbId()
521:                                + ".currentcatalog.query", null);
522:                return query;
523:            }
524:
525:            public boolean getConvertDateInExport() {
526:                return Settings.getInstance().getBoolProperty(
527:                        "workbench.db." + this .getDbId()
528:                                + ".export.convert.date2ts", false);
529:            }
530:
531:            public boolean needsExactClobLength() {
532:                return Settings.getInstance().getBoolProperty(
533:                        "workbench.db." + this .getDbId() + ".exactcloblength",
534:                        false);
535:            }
536:
537:            public boolean getFormatViewSource() {
538:                return Settings.getInstance().getBoolProperty(
539:                        "workbench.db." + this .getDbId()
540:                                + ".source.view.doformat", false);
541:            }
542:
543:            public String getDropSingleColumnSql() {
544:                return Settings.getInstance()
545:                        .getProperty(
546:                                "workbench.db." + this .getDbId()
547:                                        + ".drop.column", null);
548:            }
549:
550:            public String getDropMultipleColumnSql() {
551:                return Settings.getInstance()
552:                        .getProperty(
553:                                "workbench.db." + this .getDbId()
554:                                        + ".drop.column.multi", null);
555:            }
556:
557:            public boolean canDropType(String type) {
558:                if (StringUtil.isEmptyString(type))
559:                    return false;
560:                if (type.equalsIgnoreCase("column")) {
561:                    return getDropSingleColumnSql() != null;
562:                }
563:                return true;
564:            }
565:        }
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