Source Code Cross Referenced for MemoryUserDatabaseMBean.java in  » Sevlet-Container » tomcat-catalina » org » apache » catalina » mbeans » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Sevlet Container » tomcat catalina » org.apache.catalina.mbeans 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright 2002,2004 The Apache Software Foundation.
003:         * 
004:         * Licensed under the Apache License, Version 2.0 (the "License");
005:         * you may not use this file except in compliance with the License.
006:         * You may obtain a copy of the License at
007:         * 
008:         *      http://www.apache.org/licenses/LICENSE-2.0
009:         * 
010:         * Unless required by applicable law or agreed to in writing, software
011:         * distributed under the License is distributed on an "AS IS" BASIS,
012:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013:         * See the License for the specific language governing permissions and
014:         * limitations under the License.
015:         */
016:
017:        package org.apache.catalina.mbeans;
018:
019:        import java.util.ArrayList;
020:        import java.util.Iterator;
021:        import javax.management.MalformedObjectNameException;
022:        import javax.management.MBeanException;
023:        import javax.management.MBeanServer;
024:        import javax.management.ObjectName;
025:        import javax.management.RuntimeOperationsException;
026:        import org.apache.catalina.Group;
027:        import org.apache.catalina.Role;
028:        import org.apache.catalina.User;
029:        import org.apache.catalina.UserDatabase;
030:        import org.apache.commons.modeler.BaseModelMBean;
031:        import org.apache.commons.modeler.ManagedBean;
032:        import org.apache.commons.modeler.Registry;
033:        import org.apache.tomcat.util.compat.JdkCompat;
034:
035:        /**
036:         * <p>A <strong>ModelMBean</strong> implementation for the
037:         * <code>org.apache.catalina.users.MemoryUserDatabase</code> component.</p>
038:         *
039:         * @author Craig R. McClanahan
040:         * @version $Revision: 1.4 $ $Date: 2004/04/15 01:44:09 $
041:         */
042:
043:        public class MemoryUserDatabaseMBean extends BaseModelMBean {
044:
045:            // ----------------------------------------------------------- Constructors
046:
047:            /**
048:             * Construct a <code>ModelMBean</code> with default
049:             * <code>ModelMBeanInfo</code> information.
050:             *
051:             * @exception MBeanException if the initializer of an object
052:             *  throws an exception
053:             * @exception RuntimeOperationsException if an IllegalArgumentException
054:             *  occurs
055:             */
056:            public MemoryUserDatabaseMBean() throws MBeanException,
057:                    RuntimeOperationsException {
058:
059:                super ();
060:
061:            }
062:
063:            // ----------------------------------------------------- Class Variables
064:
065:            /**
066:             * JDK compatibility support
067:             */
068:            private static final JdkCompat jdkCompat = JdkCompat.getJdkCompat();
069:
070:            // ----------------------------------------------------- Instance Variables
071:
072:            /**
073:             * The configuration information registry for our managed beans.
074:             */
075:            protected Registry registry = MBeanUtils.createRegistry();
076:
077:            /**
078:             * The <code>MBeanServer</code> in which we are registered.
079:             */
080:            protected MBeanServer mserver = MBeanUtils.createServer();
081:
082:            /**
083:             * The <code>ManagedBean</code> information describing this MBean.
084:             */
085:            protected ManagedBean managed = registry
086:                    .findManagedBean("MemoryUserDatabase");
087:
088:            /**
089:             * The <code>ManagedBean</code> information describing Group MBeans.
090:             */
091:            protected ManagedBean managedGroup = registry
092:                    .findManagedBean("Group");
093:
094:            /**
095:             * The <code>ManagedBean</code> information describing Group MBeans.
096:             */
097:            protected ManagedBean managedRole = registry
098:                    .findManagedBean("Role");
099:
100:            /**
101:             * The <code>ManagedBean</code> information describing User MBeans.
102:             */
103:            protected ManagedBean managedUser = registry
104:                    .findManagedBean("User");
105:
106:            // ------------------------------------------------------------- Attributes
107:
108:            /**
109:             * Return the MBean Names of all groups defined in this database.
110:             */
111:            public String[] getGroups() {
112:
113:                UserDatabase database = (UserDatabase) this .resource;
114:                ArrayList results = new ArrayList();
115:                Iterator groups = database.getGroups();
116:                while (groups.hasNext()) {
117:                    Group group = (Group) groups.next();
118:                    results.add(findGroup(group.getGroupname()));
119:                }
120:                return ((String[]) results.toArray(new String[results.size()]));
121:
122:            }
123:
124:            /**
125:             * Return the MBean Names of all roles defined in this database.
126:             */
127:            public String[] getRoles() {
128:
129:                UserDatabase database = (UserDatabase) this .resource;
130:                ArrayList results = new ArrayList();
131:                Iterator roles = database.getRoles();
132:                while (roles.hasNext()) {
133:                    Role role = (Role) roles.next();
134:                    results.add(findRole(role.getRolename()));
135:                }
136:                return ((String[]) results.toArray(new String[results.size()]));
137:
138:            }
139:
140:            /**
141:             * Return the MBean Names of all users defined in this database.
142:             */
143:            public String[] getUsers() {
144:
145:                UserDatabase database = (UserDatabase) this .resource;
146:                ArrayList results = new ArrayList();
147:                Iterator users = database.getUsers();
148:                while (users.hasNext()) {
149:                    User user = (User) users.next();
150:                    results.add(findUser(user.getUsername()));
151:                }
152:                return ((String[]) results.toArray(new String[results.size()]));
153:
154:            }
155:
156:            // ------------------------------------------------------------- Operations
157:
158:            /**
159:             * Create a new Group and return the corresponding MBean Name.
160:             *
161:             * @param groupname Group name of the new group
162:             * @param description Description of the new group
163:             */
164:            public String createGroup(String groupname, String description) {
165:
166:                UserDatabase database = (UserDatabase) this .resource;
167:                Group group = database.createGroup(groupname, description);
168:                try {
169:                    MBeanUtils.createMBean(group);
170:                } catch (Exception e) {
171:                    IllegalArgumentException iae = new IllegalArgumentException(
172:                            "Exception creating group " + group + " MBean");
173:                    jdkCompat.chainException(iae, e);
174:                    throw iae;
175:                }
176:                return (findGroup(groupname));
177:
178:            }
179:
180:            /**
181:             * Create a new Role and return the corresponding MBean Name.
182:             *
183:             * @param rolename Group name of the new group
184:             * @param description Description of the new group
185:             */
186:            public String createRole(String rolename, String description) {
187:
188:                UserDatabase database = (UserDatabase) this .resource;
189:                Role role = database.createRole(rolename, description);
190:                try {
191:                    MBeanUtils.createMBean(role);
192:                } catch (Exception e) {
193:                    IllegalArgumentException iae = new IllegalArgumentException(
194:                            "Exception creating role " + role + " MBean");
195:                    jdkCompat.chainException(iae, e);
196:                    throw iae;
197:                }
198:                return (findRole(rolename));
199:
200:            }
201:
202:            /**
203:             * Create a new User and return the corresponding MBean Name.
204:             *
205:             * @param username User name of the new user
206:             * @param password Password for the new user
207:             * @param fullName Full name for the new user
208:             */
209:            public String createUser(String username, String password,
210:                    String fullName) {
211:
212:                UserDatabase database = (UserDatabase) this .resource;
213:                User user = database.createUser(username, password, fullName);
214:                try {
215:                    MBeanUtils.createMBean(user);
216:                } catch (Exception e) {
217:                    IllegalArgumentException iae = new IllegalArgumentException(
218:                            "Exception creating user " + user + " MBean");
219:                    jdkCompat.chainException(iae, e);
220:                    throw iae;
221:                }
222:                return (findUser(username));
223:
224:            }
225:
226:            /**
227:             * Return the MBean Name for the specified group name (if any);
228:             * otherwise return <code>null</code>.
229:             *
230:             * @param groupname Group name to look up
231:             */
232:            public String findGroup(String groupname) {
233:
234:                UserDatabase database = (UserDatabase) this .resource;
235:                Group group = database.findGroup(groupname);
236:                if (group == null) {
237:                    return (null);
238:                }
239:                try {
240:                    ObjectName oname = MBeanUtils.createObjectName(managedGroup
241:                            .getDomain(), group);
242:                    return (oname.toString());
243:                } catch (MalformedObjectNameException e) {
244:                    IllegalArgumentException iae = new IllegalArgumentException(
245:                            "Cannot create object name for group " + group);
246:                    jdkCompat.chainException(iae, e);
247:                    throw iae;
248:                }
249:
250:            }
251:
252:            /**
253:             * Return the MBean Name for the specified role name (if any);
254:             * otherwise return <code>null</code>.
255:             *
256:             * @param rolename Role name to look up
257:             */
258:            public String findRole(String rolename) {
259:
260:                UserDatabase database = (UserDatabase) this .resource;
261:                Role role = database.findRole(rolename);
262:                if (role == null) {
263:                    return (null);
264:                }
265:                try {
266:                    ObjectName oname = MBeanUtils.createObjectName(managedRole
267:                            .getDomain(), role);
268:                    return (oname.toString());
269:                } catch (MalformedObjectNameException e) {
270:                    IllegalArgumentException iae = new IllegalArgumentException(
271:                            "Cannot create object name for role " + role);
272:                    jdkCompat.chainException(iae, e);
273:                    throw iae;
274:                }
275:
276:            }
277:
278:            /**
279:             * Return the MBean Name for the specified user name (if any);
280:             * otherwise return <code>null</code>.
281:             *
282:             * @param username User name to look up
283:             */
284:            public String findUser(String username) {
285:
286:                UserDatabase database = (UserDatabase) this .resource;
287:                User user = database.findUser(username);
288:                if (user == null) {
289:                    return (null);
290:                }
291:                try {
292:                    ObjectName oname = MBeanUtils.createObjectName(managedUser
293:                            .getDomain(), user);
294:                    return (oname.toString());
295:                } catch (MalformedObjectNameException e) {
296:                    IllegalArgumentException iae = new IllegalArgumentException(
297:                            "Cannot create object name for user " + user);
298:                    jdkCompat.chainException(iae, e);
299:                    throw iae;
300:                }
301:
302:            }
303:
304:            /**
305:             * Remove an existing group and destroy the corresponding MBean.
306:             *
307:             * @param groupname Group name to remove
308:             */
309:            public void removeGroup(String groupname) {
310:
311:                UserDatabase database = (UserDatabase) this .resource;
312:                Group group = database.findGroup(groupname);
313:                if (group == null) {
314:                    return;
315:                }
316:                try {
317:                    MBeanUtils.destroyMBean(group);
318:                    database.removeGroup(group);
319:                } catch (Exception e) {
320:                    IllegalArgumentException iae = new IllegalArgumentException(
321:                            "Exception destroying group " + group + " MBean");
322:                    jdkCompat.chainException(iae, e);
323:                    throw iae;
324:                }
325:
326:            }
327:
328:            /**
329:             * Remove an existing role and destroy the corresponding MBean.
330:             *
331:             * @param rolename Role name to remove
332:             */
333:            public void removeRole(String rolename) {
334:
335:                UserDatabase database = (UserDatabase) this .resource;
336:                Role role = database.findRole(rolename);
337:                if (role == null) {
338:                    return;
339:                }
340:                try {
341:                    MBeanUtils.destroyMBean(role);
342:                    database.removeRole(role);
343:                } catch (Exception e) {
344:                    IllegalArgumentException iae = new IllegalArgumentException(
345:                            "Exception destroying role " + role + " MBean");
346:                    jdkCompat.chainException(iae, e);
347:                    throw iae;
348:                }
349:
350:            }
351:
352:            /**
353:             * Remove an existing user and destroy the corresponding MBean.
354:             *
355:             * @param username User name to remove
356:             */
357:            public void removeUser(String username) {
358:
359:                UserDatabase database = (UserDatabase) this .resource;
360:                User user = database.findUser(username);
361:                if (user == null) {
362:                    return;
363:                }
364:                try {
365:                    MBeanUtils.destroyMBean(user);
366:                    database.removeUser(user);
367:                } catch (Exception e) {
368:                    IllegalArgumentException iae = new IllegalArgumentException(
369:                            "Exception destroying user " + user + " MBean");
370:                    jdkCompat.chainException(iae, e);
371:                    throw iae;
372:                }
373:
374:            }
375:
376:        }
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