Source Code Cross Referenced for DBObjSecurity.java in  » J2EE » Expresso » com » jcorporate » expresso » services » dbobj » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Expresso » com.jcorporate.expresso.services.dbobj 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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:         * <p/>
081:         * <p>Database Object Security: What is this user allowed to do with a given
082:         * database object</p>
083:         *
084:         * @author Michael Nash
085:         */
086:        public class DBObjSecurity extends SecurityDBObject {
087:            /**
088:             * field names
089:             */
090:            public static final String DBOBJECT_NAME = "DBObjectName";
091:            public static final String GROUP_NAME = "GroupName";
092:            public static final String METHOD_ALLOWED_CODE = "MethodCode";
093:
094:            //private static Category log = null;
095:            private Vector dbObjList = null;
096:
097:            /**
098:             * @see com.jcorporate.expresso.core.dbobj.SecuredDBObject#SecuredDBObject
099:             */
100:            public DBObjSecurity() throws DBException {
101:                super ();
102:            } /* DBObjSecurity() */
103:
104:            /**
105:             * Construct a DBObjSecurity object with the given owner credentials
106:             *
107:             * @param uid the owner uid
108:             */
109:            public DBObjSecurity(int uid) throws DBException {
110:                super (uid);
111:            }
112:
113:            /**
114:             * For using DBObjects within Controllers.  Initializes based upon the current
115:             * user and the requested db. [Of course this can be modified later]
116:             *
117:             * @param request - The controller request handed to you by the framework.
118:             */
119:            public DBObjSecurity(ControllerRequest request) throws DBException {
120:                super (request);
121:            }
122:
123:            /**
124:             * Extends the checkAllRefs method to check for valid UserGroup
125:             */
126:            protected void checkAllRefs() throws DBException {
127:                checkRef(GROUP_NAME, new UserGroup(
128:                        SecuredDBObject.SYSTEM_ACCOUNT), "Invalid "
129:                        + getString(getMetaData().getDescription(GROUP_NAME)));
130:            } /* checkAllRefs() */
131:
132:            /**
133:             * Loads the schema and sets the approprate valid values for the schemas
134:             * and the member's descriptions
135:             *
136:             * @param schemaName    The schema name to load
137:             * @param schemaDescrip The friendly name of the schema
138:             * @param oList         ??
139:             */
140:            private void doSchema(String schemaName, String schemaDescrip,
141:                    Vector oList) throws DBException {
142:                /** Note: If anything goes wrong loading a schema here, we just log
143:                 * it and skip processing for this schema.
144:                 */
145:                Schema oneSchema = SchemaFactory.getInstance().getSchema(
146:                        schemaName);
147:                if (oneSchema == null) {
148:                    return;
149:                }
150:                DBObject oneDBObj = null;
151:                ValidValue oneVal = null;
152:
153:                /* Now add all of the objects in this schema to our list */
154:                for (Enumeration e = oneSchema.getMembers(); e
155:                        .hasMoreElements();) {
156:                    oneDBObj = (DBObject) e.nextElement();
157:                    oneVal = new ValidValue(oneDBObj.getClass().getName(),
158:                            schemaDescrip + ": "
159:                                    + oneDBObj.getMetaData().getDescription());
160:                    oList.addElement(oneVal);
161:                }
162:            } /* doSchema(String, String, Vector) */
163:
164:            /**
165:             * Override the method getValues to provide specific values for our
166:             * multi-valued fields
167:             *
168:             * @param fieldName Fielname to retrieve values for
169:             * @return Vector of ValidValue Value/description pairs for this field
170:             * @throws DBException If the values cannot be retrieved
171:             */
172:            public synchronized Vector getValidValues(String fieldName)
173:                    throws DBException {
174:                if (fieldName.equals(METHOD_ALLOWED_CODE)) {
175:                    Vector myValues = new Vector(4);
176:                    myValues.addElement(new ValidValue(SecuredDBObject.ADD,
177:                            "Add"));
178:                    myValues.addElement(new ValidValue(SecuredDBObject.UPDATE,
179:                            "Update"));
180:                    myValues.addElement(new ValidValue(SecuredDBObject.DELETE,
181:                            "Delete"));
182:                    myValues.addElement(new ValidValue(SecuredDBObject.SEARCH,
183:                            "Search"));
184:
185:                    return myValues;
186:                } else if (fieldName.equals(DBOBJECT_NAME)) {
187:                    if (dbObjList == null) {
188:                        SchemaList myList = new SchemaList(
189:                                SecuredDBObject.SYSTEM_ACCOUNT);
190:                        myList.setDataContext(getDataContext());
191:
192:                        SchemaList oneList = null;
193:                        dbObjList = new Vector(10);
194:                        dbObjList.addElement(new ValidValue(
195:                                "com.jcorporate.expresso."
196:                                        + "core.dbobj.AutoDBObject",
197:                                "Expresso: Automatic DB Objects"));
198:                        doSchema("com.jcorporate.expresso.core.ExpressoSchema",
199:                                "Expresso", dbObjList);
200:
201:                        /* Get any database objects listed as existing in another */
202:
203:                        /* database */
204:                        DBOtherMap otherList = new DBOtherMap();
205:                        otherList.setDataContext(getDataContext());
206:
207:                        DBOtherMap oneOther = null;
208:
209:                        for (Iterator e2 = otherList.searchAndRetrieveList()
210:                                .iterator(); e2.hasNext();) {
211:                            oneOther = (DBOtherMap) e2.next();
212:                            dbObjList.addElement(new ValidValue(oneOther
213:                                    .getField("DBObjName"), oneOther
214:                                    .getField("Descrip")));
215:                        }
216:                        /* Now get all of the schemas listed in the database as well */
217:                        for (Iterator sl = myList.searchAndRetrieveList()
218:                                .iterator(); sl.hasNext();) {
219:                            oneList = (SchemaList) sl.next();
220:                            doSchema(oneList.getField("SchemaClass"), oneList
221:                                    .getField("Descrip"), dbObjList);
222:                        } /* for each schema list */
223:
224:                    }
225:
226:                    return dbObjList;
227:                }
228:
229:                return super .getValidValues(fieldName);
230:            } /* getValidValues(String) */
231:
232:            /**
233:             * @see com.jcorporate.expresso.core.dbobj.SecuredDBObject#setupFields()
234:             */
235:            protected synchronized void setupFields() throws DBException {
236:                setTargetTable("DBOBJSECURITY");
237:                setName("DBOBJSECURITY");
238:                setDescription("DB Object Security");
239:                setCharset("ISO-8859-1");
240:                addField(DBOBJECT_NAME, "varchar", 80, false, "dbobjName");
241:                addField(GROUP_NAME, "char", 30, false, "groupName");
242:                addField(METHOD_ALLOWED_CODE, "char", 1, false, "methodAllowed");
243:                addKey(DBOBJECT_NAME);
244:                addKey(METHOD_ALLOWED_CODE);
245:                addKey(GROUP_NAME);
246:                setStringFilter(DBOBJECT_NAME, "stripFilter");
247:                setStringFilter(GROUP_NAME, "stripFilter");
248:                setStringFilter(METHOD_ALLOWED_CODE, "stripFilter");
249:                setMultiValued(GROUP_NAME);
250:                setLookupObject(GROUP_NAME, UserGroup.class.getName());
251:                setMultiValued(METHOD_ALLOWED_CODE);
252:                setMultiValued(DBOBJECT_NAME);
253:            } /* setupFields() */
254:
255:        } /* DBObjSecurity */
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