Source Code Cross Referenced for GroupPeer.java in  » Web-Framework » TURBINE » org » apache » turbine » om » security » peer » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Framework » TURBINE » org.apache.turbine.om.security.peer 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.apache.turbine.om.security.peer;
002:
003:        /*
004:         * Licensed to the Apache Software Foundation (ASF) under one
005:         * or more contributor license agreements.  See the NOTICE file
006:         * distributed with this work for additional information
007:         * regarding copyright ownership.  The ASF licenses this file
008:         * to you under the Apache License, Version 2.0 (the
009:         * "License"); you may not use this file except in compliance
010:         * with the License.  You may obtain a copy of the License at
011:         *
012:         *   http://www.apache.org/licenses/LICENSE-2.0
013:         *
014:         * Unless required by applicable law or agreed to in writing,
015:         * software distributed under the License is distributed on an
016:         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017:         * KIND, either express or implied.  See the License for the
018:         * specific language governing permissions and limitations
019:         * under the License.
020:         */
021:
022:        import java.util.ArrayList;
023:        import java.util.List;
024:
025:        import org.apache.torque.Torque;
026:        import org.apache.torque.TorqueException;
027:        import org.apache.torque.om.BaseObject;
028:        import org.apache.torque.om.NumberKey;
029:        import org.apache.torque.util.BasePeer;
030:        import org.apache.torque.util.Criteria;
031:        import org.apache.turbine.om.security.Group;
032:        import org.apache.turbine.om.security.TurbineGroup;
033:        import org.apache.turbine.services.security.TurbineSecurity;
034:        import org.apache.turbine.util.db.map.TurbineMapBuilder;
035:        import org.apache.turbine.util.security.DataBackendException;
036:        import org.apache.turbine.util.security.GroupSet;
037:
038:        import com.workingdogs.village.Record;
039:
040:        /**
041:         * This class handles all the database access for the Group table.
042:         * This table contains all the Groups that a given member can play.
043:         *
044:         * @author <a href="mailto:frank.kim@clearink.com">Frank Y. Kim</a>
045:         * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a>
046:         * @author <a href="mailto:bmclaugh@algx.net">Brett McLaughlin</a>
047:         * @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a>
048:         *
049:         * @deprecated Use {@link org.apache.turbine.services.security.torque.TorqueSecurityService}
050:         * instead.
051:         *
052:         * @version $Id: GroupPeer.java 571795 2007-09-01 13:09:35Z tv $
053:         */
054:        public class GroupPeer extends BasePeer {
055:            /** Serial Version UID */
056:            private static final long serialVersionUID = 2902002237040953323L;
057:
058:            /** The map builder for this Peer. */
059:            private static final TurbineMapBuilder MAP_BUILDER;
060:
061:            /** The table name for this peer. */
062:            private static final String TABLE_NAME;
063:
064:            /** The column name for the Group id field. */
065:            public static final String GROUP_ID;
066:
067:            /** The column name for the name field. */
068:            public static final String NAME;
069:
070:            /** The column name for the ObjectData field */
071:            public static final String OBJECTDATA;
072:
073:            static {
074:                try {
075:                    MAP_BUILDER = (TurbineMapBuilder) Torque
076:                            .getMapBuilder(TurbineMapBuilder.class.getName());
077:                } catch (TorqueException e) {
078:                    log.error("Could not initialize Peer", e);
079:                    throw new RuntimeException(e);
080:                }
081:
082:                TABLE_NAME = MAP_BUILDER.getTableGroup();
083:                GROUP_ID = MAP_BUILDER.getGroup_GroupId();
084:                NAME = MAP_BUILDER.getGroup_Name();
085:                OBJECTDATA = MAP_BUILDER.getGroup_ObjectData();
086:            }
087:
088:            /**
089:             * Retrieves/assembles a GroupSet of all of the Groups.
090:             *
091:             * @return A GroupSet.
092:             * @exception Exception a generic exception.
093:             */
094:            public static GroupSet retrieveSet() throws Exception {
095:                return retrieveSet(new Criteria());
096:            }
097:
098:            /**
099:             * Retrieves/assembles a GroupSet based on the Criteria passed in
100:             *
101:             * @param criteria The criteria to use.
102:             * @throws Exception a generic exception.
103:             * @return a GroupSet
104:             */
105:            public static GroupSet retrieveSet(Criteria criteria)
106:                    throws Exception {
107:                List results = GroupPeer.doSelect(criteria);
108:                GroupSet rs = new GroupSet();
109:                for (int i = 0; i < results.size(); i++) {
110:                    rs.add((Group) results.get(i));
111:                }
112:                return rs;
113:            }
114:
115:            /**
116:             * Issues a select based on a criteria.
117:             *
118:             * @param criteria object containing data that is used to create
119:             *        the SELECT statement.
120:             * @return Vector containing Group objects.
121:             * @exception TorqueException a generic exception.
122:             */
123:            public static List doSelect(Criteria criteria)
124:                    throws TorqueException {
125:                try {
126:                    criteria.addSelectColumn(GROUP_ID).addSelectColumn(NAME)
127:                            .addSelectColumn(OBJECTDATA);
128:
129:                    if (criteria.getOrderByColumns() == null
130:                            || criteria.getOrderByColumns().size() == 0) {
131:                        criteria.addAscendingOrderByColumn(NAME);
132:                    }
133:
134:                    // Place any checks here to intercept criteria which require
135:                    // custom SQL.  For example:
136:                    // if ( criteria.containsKey("SomeTable.SomeColumn") )
137:                    // {
138:                    //     String whereSql = "SomeTable.SomeColumn IN (Select ...";
139:                    //     criteria.add("SomeTable.SomeColumn",
140:                    //                  whereSQL, criteria.CUSTOM);
141:                    // }
142:
143:                    // BasePeer returns a Vector of Value (Village) arrays.  The
144:                    // array order follows the order columns were placed in the
145:                    // Select clause.
146:                    List rows = BasePeer.doSelect(criteria);
147:                    List results = new ArrayList();
148:
149:                    // Populate the object(s).
150:                    for (int i = 0; i < rows.size(); i++) {
151:                        Group obj = TurbineSecurity.getGroupInstance(null);
152:                        Record row = (Record) rows.get(i);
153:                        ((TurbineGroup) obj).setPrimaryKey(new NumberKey(row
154:                                .getValue(1).asInt()));
155:                        ((TurbineGroup) obj)
156:                                .setName(row.getValue(2).asString());
157:
158:                        // TODO: Clean up OBJECTDATA columns. They are no longer supported
159:                        /*
160:                        byte[] objectData = row.getValue(3).asBytes();
161:                        Map temp = (Map) ObjectUtils.deserialize(objectData);
162:                        if (temp != null)
163:                        {
164:                            ((TurbineGroup) obj).setAttributes(temp);
165:                        }
166:                         */
167:
168:                        results.add(obj);
169:                    }
170:
171:                    return results;
172:                } catch (Exception ex) {
173:                    throw new TorqueException(ex);
174:                }
175:            }
176:
177:            /**
178:             * Issues an update based on a criteria.
179:             *
180:             * @param criteria object containing data that is used to create
181:             *        the UPDATE statement.
182:             * @exception TorqueException a generic exception.
183:             */
184:            public static void doUpdate(Criteria criteria)
185:                    throws TorqueException {
186:                Criteria selectCriteria = new Criteria(2);
187:                selectCriteria.put(GROUP_ID, criteria.remove(GROUP_ID));
188:                BasePeer.doUpdate(selectCriteria, criteria);
189:            }
190:
191:            /**
192:             * Checks if a Group is defined in the system. The name
193:             * is used as query criteria.
194:             *
195:             * @param group The Group to be checked.
196:             * @return <code>true</code> if given Group exists in the system.
197:             * @throws DataBackendException when more than one Group with
198:             *         the same name exists.
199:             * @throws Exception a generic exception.
200:             */
201:            public static boolean checkExists(Group group)
202:                    throws DataBackendException, Exception {
203:                Criteria criteria = new Criteria();
204:                criteria.addSelectColumn(GROUP_ID);
205:                criteria.add(NAME, ((TurbineGroup) group).getName());
206:                List results = BasePeer.doSelect(criteria);
207:                if (results.size() > 1) {
208:                    throw new DataBackendException("Multiple groups named '"
209:                            + ((TurbineGroup) group).getName() + "' exist!");
210:                }
211:                return (results.size() == 1);
212:            }
213:
214:            /**
215:             * Get the name of this table.
216:             *
217:             * @return A String with the name of the table.
218:             */
219:            public static String getTableName() {
220:                return TABLE_NAME;
221:            }
222:
223:            /**
224:             * Returns the full name of a column.
225:             *
226:             * @param name name of the column
227:             * @return A String with the full name of the column.
228:             */
229:            public static String getColumnName(String name) {
230:                StringBuffer sb = new StringBuffer();
231:                sb.append(TABLE_NAME);
232:                sb.append(".");
233:                sb.append(name);
234:                return sb.toString();
235:            }
236:
237:            /**
238:             * Builds a criteria object based upon an Group object
239:             *
240:             * @param group object to build the Criteria
241:             * @return the Criteria
242:             */
243:            public static Criteria buildCriteria(Group group) {
244:                Criteria criteria = new Criteria();
245:                criteria.add(NAME, ((TurbineGroup) group).getName());
246:                if (!((BaseObject) group).isNew()) {
247:                    criteria
248:                            .add(GROUP_ID, ((BaseObject) group).getPrimaryKey());
249:                }
250:                // Causing the removal and updating of a group to
251:                // crap out.
252:                //criteria.add(OBJECTDATA, group.getAttributes());
253:                return criteria;
254:            }
255:        }
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