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64
65 package com.jcorporate.expresso.kernel.management;
66
67 import com.jcorporate.expresso.kernel.ComponentLifecycle;
68 import com.jcorporate.expresso.kernel.ExpressoComponent;
69 import com.jcorporate.expresso.kernel.digester.ComponentConfig;
70 import com.jcorporate.expresso.kernel.digester.ExpressoServicesConfig;
71 import com.jcorporate.expresso.kernel.exception.ConfigurationException;
72 import com.jcorporate.expresso.kernel.internal.DefaultConfigBean;
73 import com.jcorporate.expresso.kernel.metadata.ComponentMetadata;
74 import com.jcorporate.expresso.kernel.metadata.IndexedProperty;
75 import com.jcorporate.expresso.kernel.metadata.MappedProperty;
76 import com.jcorporate.expresso.kernel.metadata.Property;
77 import com.jcorporate.expresso.kernel.util.LocatorUtils;
78 import org.apache.commons.beanutils.ConvertUtils;
79 import org.apache.commons.beanutils.PropertyUtils;
80 import org.apache.log4j.Logger;
81
82 import java.lang.reflect.InvocationTargetException  ;
83 import java.util.Iterator ;
84 import java.util.Map ;
85 import java.util.StringTokenizer ;
86
87
88
94 public class ComponentConfigBridge {
95
98 private static final Logger log = Logger.getLogger(ComponentConfigBridge.class);
99
100
103 public ComponentConfigBridge() {
104 }
105
106
117 public void updateSystemConfiguration(ExpressoComponent changedComponent,
118 ExpressoServicesConfig allServicesConfiguration,
119 ComponentConfig newConfiguration) throws ConfigurationException {
120
121 synchronized (ComponentConfigBridge.class) {
122 ComponentConfig currentConfig = allServicesConfiguration.getRootConfig();
123
124 LocatorUtils lc = new LocatorUtils(changedComponent);
125 String path = lc.getPath(changedComponent);
126 if (path == null || path.length() == 0) {
127 currentConfig.updateConfig(newConfiguration);
128 } else {
129 ComponentConfig currentLevel = currentConfig;
130 StringTokenizer stok = new StringTokenizer (path, ".");
131
132 while (stok.hasMoreTokens()) {
135 String subComponent = stok.nextToken();
136 currentLevel = currentLevel.getChildComponent(subComponent);
137 if (currentLevel == null) {
138 throw new ConfigurationException("Unable to find subcomponent: "
139 + subComponent + " for path: " + path);
140 }
141 }
142
143 currentLevel.updateConfig(newConfiguration);
145 }
146 }
147 }
148
149
150
162 public void setConfiguration(ExpressoComponent targetComponent,
163 ComponentConfig newConfiguration) throws ConfigurationException {
164 synchronized (ComponentConfigBridge.class) {
165 if (targetComponent instanceof ComponentLifecycle) {
166 ComponentMetadata metadata = targetComponent.getMetaData();
167 Map properties = metadata.getProperties();
168 DefaultConfigBean targetConfig = new DefaultConfigBean();
169
170 for (Iterator j = properties.values().iterator(); j.hasNext();) {
171 Property p = (Property) j.next();
172 p.createConfigBean(targetConfig, newConfiguration, metadata);
173 }
174
175 ((ComponentLifecycle) targetComponent).reconfigure(targetConfig);
176 }
177 }
178 }
179
180
197 public ComponentConfig getConfiguration(ExpressoComponent sourceComponent)
198 throws ConfigurationException {
199 synchronized (ComponentConfigBridge.class) {
200 ComponentMetadata metadata = sourceComponent.getMetaData();
201 ComponentConfig newConfig = new ComponentConfig();
202
203 return null;
204 }
205 }
206
207
215 private void getSimpleProperties(ExpressoComponent sourceComponent,
216 ComponentMetadata metadata, ComponentConfig targetConfig)
217 throws ConfigurationException {
218 Map properties = metadata.getProperties();
219
220 for (Iterator i = properties.keySet().iterator(); i.hasNext();) {
221 Property property = (Property) i.next();
222 String access = property.getAccess();
223
224 if ("readwrite".equalsIgnoreCase(access) ||
225 "rw".equalsIgnoreCase(access)) {
226 if (property instanceof com.jcorporate.expresso.kernel.metadata.SimpleProperty) {
227 String propertyName = property.getName();
228
229 try {
230 Object propertyValue = PropertyUtils.getProperty(sourceComponent,
231 propertyName);
232 String stringValue = ConvertUtils.convert(propertyValue);
233 targetConfig.setProperty(propertyName, stringValue);
234 } catch (IllegalAccessException ex) {
235 log.error("Error getting simple property ", ex);
236 throw new ConfigurationException("Property " +
237 propertyName +
238 " specified in metadata was not accessible. Must be 'public'",
239 ex);
240 } catch (InvocationTargetException ex) {
241 log.error("Error getting simple property ", ex);
242 throw new ConfigurationException("Unable to get property specified in metadata: " +
243 propertyName, ex);
244 } catch (NoSuchMethodException ex) {
245 log.error("Error getting simple property ", ex);
246 throw new ConfigurationException("Getter method for property " + propertyName +
247 " specified in metadata does not exist", ex);
248 }
249 } else if (property instanceof com.jcorporate.expresso.kernel.metadata.MappedProperty) {
250 MappedProperty mappedProperty = (MappedProperty) property;
251 String propertyName = property.getName();
252 Map allProperties = mappedProperty.getValues();
253
254 try {
255 for (Iterator j = allProperties.keySet().iterator();
256 j.hasNext();) {
257 String oneKey = (String ) j.next();
258 Object propertyValue = PropertyUtils.getMappedProperty(sourceComponent,
259 propertyName, oneKey);
260 String stringValue = ConvertUtils.convert(propertyValue);
261 targetConfig.setMappedProperty(propertyName,
262 oneKey, stringValue);
263 }
264 } catch (IllegalAccessException ex) {
265 log.error("Error getting simple property ", ex);
266 throw new ConfigurationException("Property " +
267 propertyName +
268 " specified in metadata was not accessible. Must be 'public'",
269 ex);
270 } catch (InvocationTargetException ex) {
271 log.error("Error getting simple property ", ex);
272 throw new ConfigurationException("Unable to get property specified in metadata: " +
273 propertyName, ex);
274 } catch (NoSuchMethodException ex) {
275 log.error("Error getting simple property ", ex);
276 throw new ConfigurationException("Getter method for property " + propertyName +
277 " specified in metadata does not exist", ex);
278 }
279 } else if (property instanceof com.jcorporate.expresso.kernel.metadata.IndexedProperty) {
280 IndexedProperty indexedProperty = (IndexedProperty) property;
281 String propertyName = property.getName();
282 Map allProperties = indexedProperty.getValues();
283
284 try {
285 for (Iterator j = allProperties.keySet().iterator();
286 j.hasNext();) {
287 Integer oneKey = (Integer ) j.next();
288 Object propertyValue = PropertyUtils.getIndexedProperty(sourceComponent,
289 propertyName, oneKey.intValue());
290 String stringValue = ConvertUtils.convert(propertyValue);
291 targetConfig.setIndexedProperty(propertyName,
292 oneKey.intValue(), stringValue);
293 }
294 } catch (IllegalAccessException ex) {
295 log.error("Error getting simple property ", ex);
296 throw new ConfigurationException("Property " +
297 propertyName +
298 " specified in metadata was not accessible. Must be 'public'",
299 ex);
300 } catch (InvocationTargetException ex) {
301 log.error("Error getting simple property ", ex);
302 throw new ConfigurationException("Unable to get property specified in metadata: " +
303 propertyName, ex);
304 } catch (NoSuchMethodException ex) {
305 log.error("Error getting simple property ", ex);
306 throw new ConfigurationException("Getter method for property " + propertyName +
307 " specified in metadata does not exist", ex);
308 }
309 }
310 }
311 }
312 }
313 }
314 |
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