188 */
189 public default <I> List<? extends I> getMBeans(Class<I> mbeanIntf) {
190 List<I> list;
191
192 if (!mbeanInterfaceNames().contains(mbeanIntf.getName())) {
193 list = Collections.emptyList();
194 } else {
195 list = nameToMBeanMap().values().stream()
196 .filter(mbeanIntf::isInstance)
197 .map(mbeanIntf::cast)
198 .collect(Collectors.toList());
199 }
200 return list;
201 }
202 }
203
204 /**
205 * Instantiates a new PlatformMBeanProvider.
206 *
207 * @throws SecurityException if the subclass (and calling code) does not
208 * have {@code RuntimePermission("sun.management.spi.PlatformMBeanProvider", "subclass")}
209 */
210 protected PlatformMBeanProvider () {
211 this(checkSubclassPermission());
212 }
213
214 private PlatformMBeanProvider(Void unused) {
215 }
216
217 /**
218 * Returns a list of PlatformComponent instances describing the Platform
219 * MBeans provided by this provider.
220 *
221 * @return a list of PlatformComponent instances describing the Platform
222 * MBeans provided by this provider.
223 */
224 public abstract List<PlatformComponent<?>> getPlatformComponentList();
225
226 private static Void checkSubclassPermission() {
227 SecurityManager sm = System.getSecurityManager();
228 if (sm != null) {
229 sm.checkPermission(new RuntimePermission(PlatformMBeanProvider.class.getName(), "subclass"));
230 }
231 return null;
232 }
233 }
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188 */
189 public default <I> List<? extends I> getMBeans(Class<I> mbeanIntf) {
190 List<I> list;
191
192 if (!mbeanInterfaceNames().contains(mbeanIntf.getName())) {
193 list = Collections.emptyList();
194 } else {
195 list = nameToMBeanMap().values().stream()
196 .filter(mbeanIntf::isInstance)
197 .map(mbeanIntf::cast)
198 .collect(Collectors.toList());
199 }
200 return list;
201 }
202 }
203
204 /**
205 * Instantiates a new PlatformMBeanProvider.
206 *
207 * @throws SecurityException if the subclass (and calling code) does not
208 * have {@code RuntimePermission("sun.management.spi.PlatformMBeanProvider.subclass")}
209 */
210 protected PlatformMBeanProvider () {
211 this(checkSubclassPermission());
212 }
213
214 private PlatformMBeanProvider(Void unused) {
215 }
216
217 /**
218 * Returns a list of PlatformComponent instances describing the Platform
219 * MBeans provided by this provider.
220 *
221 * @return a list of PlatformComponent instances describing the Platform
222 * MBeans provided by this provider.
223 */
224 public abstract List<PlatformComponent<?>> getPlatformComponentList();
225
226 private static Void checkSubclassPermission() {
227 SecurityManager sm = System.getSecurityManager();
228 if (sm != null) {
229 sm.checkPermission(new RuntimePermission(PlatformMBeanProvider.class.getName()+".subclass"));
230 }
231 return null;
232 }
233 }
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