Source Code Cross Referenced for StandardContextMBean.java in  » Sevlet-Container » apache-tomcat-6.0.14 » 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 » apache tomcat 6.0.14 » org.apache.catalina.mbeans 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         * 
009:         *      http://www.apache.org/licenses/LICENSE-2.0
010:         * 
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */
017:
018:        package org.apache.catalina.mbeans;
019:
020:        import java.util.ArrayList;
021:
022:        import javax.management.MBeanException;
023:        import javax.management.MalformedObjectNameException;
024:        import javax.management.ObjectName;
025:        import javax.management.RuntimeOperationsException;
026:
027:        import org.apache.catalina.core.StandardContext;
028:        import org.apache.catalina.deploy.ContextEnvironment;
029:        import org.apache.catalina.deploy.ContextResource;
030:        import org.apache.catalina.deploy.ContextResourceLink;
031:        import org.apache.catalina.deploy.NamingResources;
032:        import org.apache.tomcat.util.modeler.BaseModelMBean;
033:        import org.apache.tomcat.util.modeler.ManagedBean;
034:        import org.apache.tomcat.util.modeler.Registry;
035:
036:        /**
037:         * <p>A <strong>ModelMBean</strong> implementation for the
038:         * <code>org.apache.catalina.core.StandardContext</code> component.</p>
039:         *
040:         * @author Amy Roh
041:         * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
042:         */
043:
044:        public class StandardContextMBean extends BaseModelMBean {
045:
046:            // ----------------------------------------------------------- Constructors
047:
048:            /**
049:             * Construct a <code>ModelMBean</code> with default
050:             * <code>ModelMBeanInfo</code> information.
051:             *
052:             * @exception MBeanException if the initializer of an object
053:             *  throws an exception
054:             * @exception RuntimeOperationsException if an IllegalArgumentException
055:             *  occurs
056:             */
057:            public StandardContextMBean() throws MBeanException,
058:                    RuntimeOperationsException {
059:
060:                super ();
061:
062:            }
063:
064:            // ----------------------------------------------------- Instance Variables
065:
066:            /**
067:             * The configuration information registry for our managed beans.
068:             */
069:            protected Registry registry = MBeanUtils.createRegistry();
070:
071:            /**
072:             * The <code>ManagedBean</code> information describing this MBean.
073:             */
074:            protected ManagedBean managed = registry
075:                    .findManagedBean("StandardContext");
076:
077:            // ------------------------------------------------------------- Attributes
078:
079:            /**
080:             * Return the naming resources associated with this web application.
081:             */
082:            private NamingResources getNamingResources() {
083:
084:                return ((StandardContext) this .resource).getNamingResources();
085:
086:            }
087:
088:            /**
089:             * Return the naming resources associated with this web application.
090:             */
091:            public void reload() {
092:
093:                ((StandardContext) this .resource).reload();
094:
095:            }
096:
097:            /**
098:             * Return the MBean Names of the set of defined environment entries for  
099:             * this web application
100:             */
101:            public String[] getEnvironments() {
102:                ContextEnvironment[] envs = getNamingResources()
103:                        .findEnvironments();
104:                ArrayList results = new ArrayList();
105:                for (int i = 0; i < envs.length; i++) {
106:                    try {
107:                        ObjectName oname = MBeanUtils.createObjectName(managed
108:                                .getDomain(), envs[i]);
109:                        results.add(oname.toString());
110:                    } catch (MalformedObjectNameException e) {
111:                        IllegalArgumentException iae = new IllegalArgumentException(
112:                                "Cannot create object name for environment "
113:                                        + envs[i]);
114:                        iae.initCause(e);
115:                        throw iae;
116:                    }
117:                }
118:                return ((String[]) results.toArray(new String[results.size()]));
119:
120:            }
121:
122:            /**
123:             * Return the MBean Names of all the defined resource references for this
124:             * application.
125:             */
126:            public String[] getResources() {
127:
128:                ContextResource[] resources = getNamingResources()
129:                        .findResources();
130:                ArrayList results = new ArrayList();
131:                for (int i = 0; i < resources.length; i++) {
132:                    try {
133:                        ObjectName oname = MBeanUtils.createObjectName(managed
134:                                .getDomain(), resources[i]);
135:                        results.add(oname.toString());
136:                    } catch (MalformedObjectNameException e) {
137:                        IllegalArgumentException iae = new IllegalArgumentException(
138:                                "Cannot create object name for resource "
139:                                        + resources[i]);
140:                        iae.initCause(e);
141:                        throw iae;
142:                    }
143:                }
144:                return ((String[]) results.toArray(new String[results.size()]));
145:
146:            }
147:
148:            /**
149:             * Return the MBean Names of all the defined resource links for this 
150:             * application
151:             */
152:            public String[] getResourceLinks() {
153:
154:                ContextResourceLink[] links = getNamingResources()
155:                        .findResourceLinks();
156:                ArrayList results = new ArrayList();
157:                for (int i = 0; i < links.length; i++) {
158:                    try {
159:                        ObjectName oname = MBeanUtils.createObjectName(managed
160:                                .getDomain(), links[i]);
161:                        results.add(oname.toString());
162:                    } catch (MalformedObjectNameException e) {
163:                        IllegalArgumentException iae = new IllegalArgumentException(
164:                                "Cannot create object name for resource "
165:                                        + links[i]);
166:                        iae.initCause(e);
167:                        throw iae;
168:                    }
169:                }
170:                return ((String[]) results.toArray(new String[results.size()]));
171:
172:            }
173:
174:            /**
175:             * Return the naming resources associated with this web application.
176:             */
177:            public javax.naming.directory.DirContext getStaticResources() {
178:
179:                return ((StandardContext) this .resource).getResources();
180:
181:            }
182:
183:            /**
184:             * Return the naming resources associated with this web application.
185:             */
186:            public String[] getWelcomeFiles() {
187:
188:                return ((StandardContext) this .resource).findWelcomeFiles();
189:
190:            }
191:
192:            // ------------------------------------------------------------- Operations
193:
194:            /**
195:             * Add an environment entry for this web application.
196:             *
197:             * @param envName New environment entry name
198:             */
199:            public String addEnvironment(String envName, String type)
200:                    throws MalformedObjectNameException {
201:
202:                NamingResources nresources = getNamingResources();
203:                if (nresources == null) {
204:                    return null;
205:                }
206:                ContextEnvironment env = nresources.findEnvironment(envName);
207:                if (env != null) {
208:                    throw new IllegalArgumentException(
209:                            "Invalid environment name - already exists '"
210:                                    + envName + "'");
211:                }
212:                env = new ContextEnvironment();
213:                env.setName(envName);
214:                env.setType(type);
215:                nresources.addEnvironment(env);
216:
217:                // Return the corresponding MBean name
218:                ManagedBean managed = registry
219:                        .findManagedBean("ContextEnvironment");
220:                ObjectName oname = MBeanUtils.createObjectName(managed
221:                        .getDomain(), env);
222:                return (oname.toString());
223:
224:            }
225:
226:            /**
227:             * Add a resource reference for this web application.
228:             *
229:             * @param resourceName New resource reference name
230:             */
231:            public String addResource(String resourceName, String type)
232:                    throws MalformedObjectNameException {
233:
234:                NamingResources nresources = getNamingResources();
235:                if (nresources == null) {
236:                    return null;
237:                }
238:                ContextResource resource = nresources
239:                        .findResource(resourceName);
240:                if (resource != null) {
241:                    throw new IllegalArgumentException(
242:                            "Invalid resource name - already exists'"
243:                                    + resourceName + "'");
244:                }
245:                resource = new ContextResource();
246:                resource.setName(resourceName);
247:                resource.setType(type);
248:                nresources.addResource(resource);
249:
250:                // Return the corresponding MBean name
251:                ManagedBean managed = registry
252:                        .findManagedBean("ContextResource");
253:                ObjectName oname = MBeanUtils.createObjectName(managed
254:                        .getDomain(), resource);
255:                return (oname.toString());
256:            }
257:
258:            /**
259:             * Add a resource link for this web application.
260:             *
261:             * @param resourceLinkName New resource link name
262:             */
263:            public String addResourceLink(String resourceLinkName,
264:                    String global, String name, String type)
265:                    throws MalformedObjectNameException {
266:
267:                NamingResources nresources = getNamingResources();
268:                if (nresources == null) {
269:                    return null;
270:                }
271:                ContextResourceLink resourceLink = nresources
272:                        .findResourceLink(resourceLinkName);
273:                if (resourceLink != null) {
274:                    throw new IllegalArgumentException(
275:                            "Invalid resource link name - already exists'"
276:                                    + resourceLinkName + "'");
277:                }
278:                resourceLink = new ContextResourceLink();
279:                resourceLink.setGlobal(global);
280:                resourceLink.setName(resourceLinkName);
281:                resourceLink.setType(type);
282:                nresources.addResourceLink(resourceLink);
283:
284:                // Return the corresponding MBean name
285:                ManagedBean managed = registry
286:                        .findManagedBean("ContextResourceLink");
287:                ObjectName oname = MBeanUtils.createObjectName(managed
288:                        .getDomain(), resourceLink);
289:                return (oname.toString());
290:            }
291:
292:            /**
293:             * Remove any environment entry with the specified name.
294:             *
295:             * @param envName Name of the environment entry to remove
296:             */
297:            public void removeEnvironment(String envName) {
298:
299:                NamingResources nresources = getNamingResources();
300:                if (nresources == null) {
301:                    return;
302:                }
303:                ContextEnvironment env = nresources.findEnvironment(envName);
304:                if (env == null) {
305:                    throw new IllegalArgumentException(
306:                            "Invalid environment name '" + envName + "'");
307:                }
308:                nresources.removeEnvironment(envName);
309:
310:            }
311:
312:            /**
313:             * Remove any resource reference with the specified name.
314:             *
315:             * @param resourceName Name of the resource reference to remove
316:             */
317:            public void removeResource(String resourceName) {
318:
319:                resourceName = ObjectName.unquote(resourceName);
320:                NamingResources nresources = getNamingResources();
321:                if (nresources == null) {
322:                    return;
323:                }
324:                ContextResource resource = nresources
325:                        .findResource(resourceName);
326:                if (resource == null) {
327:                    throw new IllegalArgumentException(
328:                            "Invalid resource name '" + resourceName + "'");
329:                }
330:                nresources.removeResource(resourceName);
331:            }
332:
333:            /**
334:             * Remove any resource link with the specified name.
335:             *
336:             * @param resourceLinkName Name of the resource reference to remove
337:             */
338:            public void removeResourceLink(String resourceLinkName) {
339:
340:                resourceLinkName = ObjectName.unquote(resourceLinkName);
341:                NamingResources nresources = getNamingResources();
342:                if (nresources == null) {
343:                    return;
344:                }
345:                ContextResourceLink resource = nresources
346:                        .findResourceLink(resourceLinkName);
347:                if (resource == null) {
348:                    throw new IllegalArgumentException(
349:                            "Invalid resource name '" + resourceLinkName + "'");
350:                }
351:                nresources.removeResourceLink(resourceLinkName);
352:            }
353:
354:        }
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