Source Code Cross Referenced for SQLAlias.java in  » Database-Client » squirrel-sql-2.6.5a » net » sourceforge » squirrel_sql » client » gui » db » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database Client » squirrel sql 2.6.5a » net.sourceforge.squirrel_sql.client.gui.db 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package net.sourceforge.squirrel_sql.client.gui.db;
002:
003:        /*
004:         * Copyright (C) 2001-2003 Colin Bell
005:         * colbell@users.sourceforge.net
006:         *
007:         * This library is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU Lesser General Public
009:         * License as published by the Free Software Foundation; either
010:         * version 2.1 of the License, or (at your option) any later version.
011:         *
012:         * This library is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANT_Y; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this library; if not, write to the Free Software
019:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
020:         */
021:        import java.beans.PropertyChangeListener;
022:        import java.io.Serializable;
023:
024:        import net.sourceforge.squirrel_sql.fw.id.IIdentifier;
025:        import net.sourceforge.squirrel_sql.fw.persist.ValidationException;
026:        import net.sourceforge.squirrel_sql.fw.sql.ISQLAlias;
027:        import net.sourceforge.squirrel_sql.fw.sql.SQLDriverProperty;
028:        import net.sourceforge.squirrel_sql.fw.sql.SQLDriverPropertyCollection;
029:        import net.sourceforge.squirrel_sql.fw.util.PropertyChangeReporter;
030:        import net.sourceforge.squirrel_sql.fw.util.StringManager;
031:        import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
032:        import net.sourceforge.squirrel_sql.fw.util.Utilities;
033:
034:        /**
035:         * This represents a Database alias which is a description of the means
036:         * required to connect to a JDBC complient database.<P>
037:         * This class is a <CODE>JavaBean</CODE>.
038:         *
039:         * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
040:         */
041:        @SuppressWarnings("serial")
042:        public class SQLAlias implements  Cloneable, Serializable, ISQLAliasExt,
043:                Comparable<Object> {
044:            /** Internationalized strings for this class. */
045:            private static final StringManager s_stringMgr = StringManagerFactory
046:                    .getStringManager(SQLAlias.class);
047:
048:            private interface IStrings {
049:                String ERR_BLANK_NAME = s_stringMgr
050:                        .getString("SQLAlias.error.blankname");
051:                String ERR_BLANK_DRIVER = s_stringMgr
052:                        .getString("SQLAlias.error.blankdriver");
053:                String ERR_BLANK_URL = s_stringMgr
054:                        .getString("SQLAlias.error.blankurl");
055:            }
056:
057:            private interface IPropNames extends ISQLAlias.IPropertyNames {
058:                // Empty block.
059:            }
060:
061:            /** The <CODE>IIdentifier</CODE> that uniquely identifies this object. */
062:            private IIdentifier _id;
063:
064:            /** The name of this alias. */
065:            private String _name;
066:
067:            /**
068:             * The <CODE>IIdentifier</CODE> that identifies the <CODE>ISQLDriver</CODE>
069:             * that this <CODE>ISQLAlias</CODE> uses.
070:             */
071:            private IIdentifier _driverId;
072:
073:            /** The URL required to access the database. */
074:            private String _url;
075:
076:            /** Name of user for connection. */
077:            private String _userName;
078:
079:            /** Password of user for connection. */
080:            private String _password;
081:
082:            /** <TT>true</TT> if this alias should be logged on automatically. */
083:            private boolean _autoLogon;
084:
085:            /** Should this alias be connected when the application is started up. */
086:            private boolean _connectAtStartup;
087:
088:            /** If <TT>true</TT> then use drver properties. */
089:            private boolean _useDriverProperties = false;
090:
091:            /** Collection of <TT>SQLDriverProperty</TT> objects for this alias. */
092:            private SQLDriverPropertyCollection _driverProps = new SQLDriverPropertyCollection();
093:
094:            /** Object to handle property change events. */
095:            private transient PropertyChangeReporter _propChgReporter;
096:
097:            private SQLAliasSchemaProperties _schemaProperties = new SQLAliasSchemaProperties();
098:
099:            /**
100:             * Default ctor.
101:             */
102:            public SQLAlias() {
103:                super ();
104:            }
105:
106:            /**
107:             * Ctor specifying the identifier.
108:             *
109:             * @param	id	Uniquely identifies this object.
110:             */
111:            public SQLAlias(IIdentifier id) {
112:                super ();
113:                _id = id;
114:                _name = "";
115:                _driverId = null;
116:                _url = "";
117:                _userName = "";
118:                _password = "";
119:            }
120:
121:            /**
122:             * Assign data from the passed <CODE>ISQLAlias</CODE> to this one.
123:             *
124:             * This Alias becomes a clone of rhs.
125:             *
126:             * @param	rhs	 <CODE>ISQLAlias</CODE> to copy data from.
127:             *
128:             * @param b
129:             * @exception	ValidationException
130:             *				Thrown if an error occurs assigning data from
131:             *				<CODE>rhs</CODE>.
132:             */
133:            public synchronized void assignFrom(SQLAlias rhs,
134:                    boolean withIdentifier) throws ValidationException {
135:                if (withIdentifier) {
136:                    setIdentifier(rhs.getIdentifier());
137:                }
138:
139:                setName(rhs.getName());
140:                setDriverIdentifier(rhs.getDriverIdentifier());
141:                setUrl(rhs.getUrl());
142:                setUserName(rhs.getUserName());
143:                setPassword(rhs.getPassword());
144:                setAutoLogon(rhs.isAutoLogon());
145:                setUseDriverProperties(rhs.getUseDriverProperties());
146:                setDriverProperties(rhs.getDriverPropertiesClone());
147:                _schemaProperties = (SQLAliasSchemaProperties) Utilities
148:                        .cloneObject(rhs._schemaProperties, getClass()
149:                                .getClassLoader());
150:            }
151:
152:            /**
153:             * Returns <TT>true</TT> if this objects is equal to the passed one. Two
154:             * <TT>ISQLAlias</TT> objects are considered equal if they have the same
155:             * identifier.
156:             */
157:            public boolean equals(Object rhs) {
158:                boolean rc = false;
159:                if (rhs != null && rhs.getClass().equals(getClass())) {
160:                    rc = ((ISQLAlias) rhs).getIdentifier().equals(
161:                            getIdentifier());
162:                }
163:                return rc;
164:            }
165:
166:            //   /**
167:            //    * Return a clone of this object.
168:            //    */
169:            //   public Object clone()
170:            //   {
171:            //      try
172:            //      {
173:            //         final SQLAlias alias = (SQLAlias)super.clone();
174:            //         alias._propChgReporter = null;
175:            //         alias.setDriverProperties(getDriverPropertiesClone());
176:            //         alias._schemaProperties = (SQLAliasSchemaProperties) Utilities.cloneObject(alias._schemaProperties, getClass().getClassLoader());
177:            //         return alias;
178:            //      }
179:            //      catch (CloneNotSupportedException ex)
180:            //      {
181:            //         throw new InternalError(ex.getMessage()); // Impossible.
182:            //      }
183:            //   }
184:
185:            /**
186:             * Returns a hash code value for this object.
187:             */
188:            public synchronized int hashCode() {
189:                return getIdentifier().hashCode();
190:            }
191:
192:            /**
193:             * Returns the name of this <TT>ISQLAlias</TT>.
194:             */
195:            public String toString() {
196:                return getName();
197:            }
198:
199:            /**
200:             * Compare this <TT>SQLAlias</TT> to another object. If the passed object
201:             * is a <TT>SQLAlias</TT>, then the <TT>getName()</TT> functions of the two
202:             * <TT>SQLAlias</TT> objects are used to compare them. Otherwise, it throws a
203:             * ClassCastException (as <TT>SQLAlias</TT> objects are comparable only to
204:             * other <TT>SQLAlias</TT> objects).
205:             */
206:            public int compareTo(Object rhs) {
207:                return _name.compareTo(((ISQLAlias) rhs).getName());
208:            }
209:
210:            public void addPropertyChangeListener(
211:                    PropertyChangeListener listener) {
212:                getPropertyChangeReporter().addPropertyChangeListener(listener);
213:            }
214:
215:            public void removePropertyChangeListener(
216:                    PropertyChangeListener listener) {
217:                getPropertyChangeReporter().removePropertyChangeListener(
218:                        listener);
219:            }
220:
221:            /**
222:             * Returns <CODE>true</CODE> if this object is valid.<P>
223:             * Implementation for <CODE>IPersistable</CODE>.
224:             */
225:            public synchronized boolean isValid() {
226:                return _name != null && _name.length() > 0 && _driverId != null
227:                        && _url != null && _url.length() > 0;
228:            }
229:
230:            public IIdentifier getIdentifier() {
231:                return _id;
232:            }
233:
234:            public String getName() {
235:                return _name;
236:            }
237:
238:            public IIdentifier getDriverIdentifier() {
239:                return _driverId;
240:            }
241:
242:            public String getUrl() {
243:                return _url;
244:            }
245:
246:            public String getUserName() {
247:                return _userName;
248:            }
249:
250:            /**
251:             * Retrieve the saved password.
252:             *
253:             * @return		The saved password.
254:             */
255:            public String getPassword() {
256:                return _password;
257:            }
258:
259:            /**
260:             * Set the password for this alias.
261:             *
262:             * @param	password	The new password.
263:             */
264:            public void setPassword(String password) {
265:                String data = getString(password);
266:                if (_password != data) {
267:                    final String oldValue = _password;
268:                    _password = data;
269:                    getPropertyChangeReporter().firePropertyChange(
270:                            IPropNames.PASSWORD, oldValue, _password);
271:                }
272:            }
273:
274:            /**
275:             * Should this alias be logged on automatically.
276:             *
277:             * @return	<TT>true</TT> is this alias should be logged on automatically
278:             * 			else <TT>false</TT>.
279:             */
280:            public boolean isAutoLogon() {
281:                return _autoLogon;
282:            }
283:
284:            /**
285:             * Set whether this alias should be logged on automatically.
286:             *
287:             * @param	value	<TT>true</TT> if alias should be autologged on
288:             * 					else <TT>false</TT.
289:             */
290:            public void setAutoLogon(boolean value) {
291:                if (_autoLogon != value) {
292:                    _autoLogon = value;
293:                    getPropertyChangeReporter().firePropertyChange(
294:                            IPropNames.AUTO_LOGON, !_autoLogon, _autoLogon);
295:                }
296:            }
297:
298:            /**
299:             * Should this alias be connected when the application is started up.
300:             *
301:             * @return	<TT>true</TT> if this alias should be connected when the
302:             *			application is started up.
303:             */
304:            public boolean isConnectAtStartup() {
305:                return _connectAtStartup;
306:            }
307:
308:            /**
309:             * Set whether alias should be connected when the application is started up.
310:             *
311:             * @param	value	<TT>true</TT> if alias should be connected when the
312:             *					application is started up.
313:             */
314:            public void setConnectAtStartup(boolean value) {
315:                if (_connectAtStartup != value) {
316:                    _connectAtStartup = value;
317:                    getPropertyChangeReporter().firePropertyChange(
318:                            IPropNames.CONNECT_AT_STARTUP, !_connectAtStartup,
319:                            _connectAtStartup);
320:                }
321:            }
322:
323:            /**
324:             * Returns whether this alias uses driver properties.
325:             */
326:            public boolean getUseDriverProperties() {
327:                return _useDriverProperties;
328:            }
329:
330:            public void setIdentifier(IIdentifier id) {
331:                _id = id;
332:            }
333:
334:            public void setName(String name) throws ValidationException {
335:                String data = getString(name);
336:                if (data.length() == 0) {
337:                    throw new ValidationException(IStrings.ERR_BLANK_NAME);
338:                }
339:                if (_name != data) {
340:                    final String oldValue = _name;
341:                    _name = data;
342:                    getPropertyChangeReporter().firePropertyChange(
343:                            IPropNames.NAME, oldValue, _name);
344:                }
345:            }
346:
347:            public void setDriverIdentifier(IIdentifier data)
348:                    throws ValidationException {
349:                if (data == null) {
350:                    throw new ValidationException(IStrings.ERR_BLANK_DRIVER);
351:                }
352:                if (_driverId != data) {
353:                    final IIdentifier oldValue = _driverId;
354:                    _driverId = data;
355:                    getPropertyChangeReporter().firePropertyChange(
356:                            IPropNames.DRIVER, oldValue, _driverId);
357:                }
358:            }
359:
360:            public void setUrl(String url) throws ValidationException {
361:                String data = getString(url);
362:                if (data.length() == 0) {
363:                    throw new ValidationException(IStrings.ERR_BLANK_URL);
364:                }
365:                if (_url != data) {
366:                    final String oldValue = _url;
367:                    _url = data;
368:                    getPropertyChangeReporter().firePropertyChange(
369:                            IPropNames.URL, oldValue, _url);
370:                }
371:            }
372:
373:            public void setUserName(String userName) {
374:                String data = getString(userName);
375:                if (_userName != data) {
376:                    final String oldValue = _userName;
377:                    _userName = data;
378:                    getPropertyChangeReporter().firePropertyChange(
379:                            IPropNames.USER_NAME, oldValue, _userName);
380:                }
381:            }
382:
383:            public void setUseDriverProperties(boolean value) {
384:                if (_useDriverProperties != value) {
385:                    final boolean oldValue = _useDriverProperties;
386:                    _useDriverProperties = value;
387:                    getPropertyChangeReporter().firePropertyChange(
388:                            IPropNames.USE_DRIVER_PROPERTIES, oldValue,
389:                            _useDriverProperties);
390:                }
391:            }
392:
393:            /**
394:             * Retrieve a copy of the SQL driver properties.
395:             *
396:             * @return	the SQL driver properties.
397:             */
398:            public synchronized SQLDriverPropertyCollection getDriverPropertiesClone() {
399:                final int count = _driverProps.size();
400:                SQLDriverProperty[] newar = new SQLDriverProperty[count];
401:                for (int i = 0; i < count; ++i) {
402:                    newar[i] = (SQLDriverProperty) _driverProps
403:                            .getDriverProperty(i).clone();
404:                }
405:                SQLDriverPropertyCollection coll = new SQLDriverPropertyCollection();
406:                coll.setDriverProperties(newar);
407:                return coll;
408:            }
409:
410:            public synchronized void setDriverProperties(
411:                    SQLDriverPropertyCollection value) {
412:                _driverProps.clear();
413:                if (value != null) {
414:                    synchronized (value) {
415:                        final int count = value.size();
416:                        SQLDriverProperty[] newar = new SQLDriverProperty[count];
417:                        for (int i = 0; i < count; ++i) {
418:                            newar[i] = (SQLDriverProperty) value
419:                                    .getDriverProperty(i).clone();
420:
421:                        }
422:                        _driverProps.setDriverProperties(newar);
423:                    }
424:                }
425:            }
426:
427:            private synchronized PropertyChangeReporter getPropertyChangeReporter() {
428:                if (_propChgReporter == null) {
429:                    _propChgReporter = new PropertyChangeReporter(this );
430:                }
431:                return _propChgReporter;
432:            }
433:
434:            private String getString(String data) {
435:                return data != null ? data.trim() : "";
436:            }
437:
438:            public SQLAliasSchemaProperties getSchemaProperties() {
439:                return _schemaProperties;
440:            }
441:
442:            public void setSchemaProperties(
443:                    SQLAliasSchemaProperties schemaProperties) {
444:                _schemaProperties = schemaProperties;
445:            }
446:
447:        }
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