001: /* ====================================================================
002: * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
003: *
004: * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by Jcorporate Ltd.
021: * (http://www.jcorporate.com/)."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
024: *
025: * 4. "Jcorporate" and product names such as "Expresso" must
026: * not be used to endorse or promote products derived from this
027: * software without prior written permission. For written permission,
028: * please contact info@jcorporate.com.
029: *
030: * 5. Products derived from this software may not be called "Expresso",
031: * or other Jcorporate product names; nor may "Expresso" or other
032: * Jcorporate product names appear in their name, without prior
033: * written permission of Jcorporate Ltd.
034: *
035: * 6. No product derived from this software may compete in the same
036: * market space, i.e. framework, without prior written permission
037: * of Jcorporate Ltd. For written permission, please contact
038: * partners@jcorporate.com.
039: *
040: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
041: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
042: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
043: * DISCLAIMED. IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
044: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
045: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
046: * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
047: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
048: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
049: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
050: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
051: * SUCH DAMAGE.
052: * ====================================================================
053: *
054: * This software consists of voluntary contributions made by many
055: * individuals on behalf of the Jcorporate Ltd. Contributions back
056: * to the project(s) are encouraged when you make modifications.
057: * Please send them to support@jcorporate.com. For more information
058: * on Jcorporate Ltd. and its products, please see
059: * <http://www.jcorporate.com/>.
060: *
061: * Portions of this software are based upon other open source
062: * products and are subject to their respective licenses.
063: */
064:
065: package com.jcorporate.expresso.services.dbobj;
066:
067: import com.jcorporate.expresso.core.controller.ControllerRequest;
068: import com.jcorporate.expresso.core.db.DBException;
069: import com.jcorporate.expresso.core.dbobj.DBObject;
070: import com.jcorporate.expresso.core.dbobj.Schema;
071: import com.jcorporate.expresso.core.dbobj.SchemaFactory;
072: import com.jcorporate.expresso.core.dbobj.SecuredDBObject;
073: import com.jcorporate.expresso.core.dbobj.ValidValue;
074:
075: import java.util.Enumeration;
076: import java.util.Iterator;
077: import java.util.Vector;
078:
079: /**
080: * A DBObjImpl defines the class used as the "implementation" for a
081: * specific DBObject. See com.jcorporate.expresso.core.dbobj.DBObject and
082: * com.jcorporate.expresso.core.dbobj.DBObjectImpl for details
083: *
084: * @author Michael Nash
085: * @version $Revision: 1.14 $ $Date: 2004/11/17 20:48:18 $
086: * @deprecated since Expresso 5.3 [never used]
087: */
088: public class DBObjImpl extends SecuredDBObject {
089: private Vector dbObjList = null;
090:
091: /**
092: * @see com.jcorporate.expresso.core.dbobj.SecuredDBObject#SecuredDBObject
093: */
094: public DBObjImpl() throws DBException {
095: super ();
096: } /* DBObjImpl() */
097:
098: /**
099: *
100: */
101: public DBObjImpl(int uid) throws DBException {
102: super (uid);
103: }
104:
105: /**
106: * For using DBObjects within Controllers. Initializes based upon the current
107: * user and the requested db. [Of course this can be modified later]
108: *
109: * @param request - The controller request handed to you by the framework.
110: */
111: public DBObjImpl(ControllerRequest request) throws DBException {
112: super (request);
113: }
114:
115: /**
116: * @param schemaName
117: * @param schemaDescrip
118: * @param oList
119: */
120: private void doSchema(String schemaName, String schemaDescrip,
121: Vector oList) throws DBException {
122: Schema oneSchema = SchemaFactory.getInstance().getSchema(
123: schemaName);
124: DBObject oneDBObj = null;
125: ValidValue oneVal = null;
126:
127: if (oneSchema == null) {
128: throw new DBException("Error instantiating class '"
129: + schemaName);
130: }
131:
132: /* Now add all of the objects in this schema to our list */
133: for (Enumeration e = oneSchema.getMembers(); e
134: .hasMoreElements();) {
135: oneDBObj = (DBObject) e.nextElement();
136: oneVal = new ValidValue(oneDBObj.getClass().getName(),
137: schemaDescrip
138: + ": "
139: + oneDBObj.getJDBCMetaData()
140: .getDescription());
141: oList.addElement(oneVal);
142: }
143: } /* doSchema(String, String, Vector) */
144:
145: /**
146: * Override the method getValidValues to provide specific values for our
147: * multi-valued fields
148: *
149: * @param fieldName Fielname to retrieve values for
150: * @return Hashtable Value/description pairs for this field
151: * @throws DBException If the values cannot be retrieved
152: */
153: public synchronized Vector getValidValues(String fieldName)
154: throws DBException {
155: if (fieldName.equals("DBObjectName")) {
156: if (dbObjList == null) {
157: SchemaList myList = new SchemaList(
158: SecuredDBObject.SYSTEM_ACCOUNT);
159: myList.setDataContext(getDataContext());
160:
161: SchemaList oneList = null;
162:
163: /* Get any database objects listed as existing in another */
164:
165: /* database */
166: DBOtherMap otherList = new DBOtherMap();
167: otherList.setDataContext(getDataContext());
168:
169: DBOtherMap oneOther = null;
170: ValidValue oneVal;
171:
172: for (Iterator e2 = otherList.searchAndRetrieveList()
173: .iterator(); e2.hasNext();) {
174: oneOther = (DBOtherMap) e2.next();
175: oneVal = new ValidValue(oneOther
176: .getField("DBObjName"), oneOther
177: .getField("Descrip"));
178: dbObjList.addElement(oneVal);
179: }
180:
181: doSchema("com.jcorporate.expresso.core.ExpressoSchema",
182: "Expresso", dbObjList);
183:
184: /* Now get all of the schemas listed in the database as well */
185: for (Iterator sl = myList.searchAndRetrieveList()
186: .iterator(); sl.hasNext();) {
187: oneList = (SchemaList) sl.next();
188: doSchema(oneList.getField("SchemaClass"), oneList
189: .getField("Descrip"), dbObjList);
190: } /* for each schema list */
191:
192: }
193:
194: return dbObjList;
195: }
196:
197: return super .getValidValues(fieldName);
198: } /* getValidValues(String) */
199:
200: /**
201: * @see com.jcorporate.expresso.core.dbobj.SecuredDBObject#setupFields
202: */
203: public void setupFields() throws DBException {
204: setTargetTable("DBOBJIMPL");
205: setDescription("Database Object Implementation Mappings");
206: setCharset("ISO-8859-1");
207: addField("DBObjectName", "varchar", 80, false,
208: "Database Object Name");
209: addField("DBObjectImpl", "varchar", 132, false,
210: "Implementation Class Name");
211: addField("ImplParams", "text", 0, true,
212: "Implementation Parameters");
213: setStringFilter("DBObjectName", "stripFilter");
214: addKey("DBObjectName");
215: setMultiValued("DBObjectName");
216: } /*setupFields() */
217:
218: } /* DBObjImpl */
219:
220: /* DBObjImpl */
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