diff options
Diffstat (limited to 'bkucommon/src/main/java/at')
-rw-r--r-- | bkucommon/src/main/java/at/gv/egiz/bku/binding/BindingProcessorManagerImpl.java | 529 |
1 files changed, 273 insertions, 256 deletions
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/binding/BindingProcessorManagerImpl.java b/bkucommon/src/main/java/at/gv/egiz/bku/binding/BindingProcessorManagerImpl.java index 22ee0d1d..11f5a160 100644 --- a/bkucommon/src/main/java/at/gv/egiz/bku/binding/BindingProcessorManagerImpl.java +++ b/bkucommon/src/main/java/at/gv/egiz/bku/binding/BindingProcessorManagerImpl.java @@ -1,270 +1,287 @@ /* -* Copyright 2008 Federal Chancellery Austria and -* Graz University of Technology -* -* Licensed under the Apache License, Version 2.0 (the "License"); -* you may not use this file except in compliance with the License. -* You may obtain a copy of the License at -* -* http://www.apache.org/licenses/LICENSE-2.0 -* -* Unless required by applicable law or agreed to in writing, software -* distributed under the License is distributed on an "AS IS" BASIS, -* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -* See the License for the specific language governing permissions and -* limitations under the License. -*/ -package at.gv.egiz.bku.binding;
-
+ * Copyright 2008 Federal Chancellery Austria and + * Graz University of Technology + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package at.gv.egiz.bku.binding; + import java.net.MalformedURLException; import java.net.URL; -import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-import at.gv.egiz.bku.slcommands.SLCommandInvoker;
-import at.gv.egiz.bku.slexceptions.SLRuntimeException;
-import at.gv.egiz.bku.utils.binding.Protocol;
-import at.gv.egiz.stal.STAL;
-import at.gv.egiz.stal.STALFactory;
-
-/**
- * This class maintains all active BindingProcessor Objects. Currently, only
- * HTTPBinding is supported.
- */
-public class BindingProcessorManagerImpl implements BindingProcessorManager {
-
- public final static Protocol[] SUPPORTED_PROTOCOLS = { Protocol.HTTP,
- Protocol.HTTPS };
-
- private static Log log = LogFactory.getLog(BindingProcessorManagerImpl.class);
-
- private RemovalStrategy removalStrategy;
- private STALFactory stalFactory;
- private SLCommandInvoker commandInvokerClass;
- private ExecutorService executorService;
- private Map<Id, MapEntityWrapper> bindingProcessorMap = Collections
- .synchronizedMap(new HashMap<Id, MapEntityWrapper>());
-
- /**
- * Container to hold a Future and Bindingprocessor object as map value.
- * @author wbauer
- * @see BindingProcessorManagerImpl#bindingProcessorMap
- */
- static class MapEntityWrapper {
- private Future<?> future;
- private BindingProcessor bindingProcessor;
-
- public MapEntityWrapper(Future<?> future, BindingProcessor bindingProcessor) {
- if ((bindingProcessor == null) || (future == null)) {
- throw new NullPointerException("Argument must not be null");
- }
- this.bindingProcessor = bindingProcessor;
- this.future = future;
- }
-
- public Future<?> getFuture() {
- return future;
- }
-
- public BindingProcessor getBindingProcessor() {
- return bindingProcessor;
- }
-
- public int hashCode() {
- return bindingProcessor.getId().hashCode();
- }
-
- public boolean equals(Object other) {
- if (other instanceof MapEntityWrapper) {
- MapEntityWrapper o = (MapEntityWrapper) other;
- return (o.bindingProcessor.getId().equals(bindingProcessor.getId()));
- } else {
- return false;
- }
- }
- }
-
- /**
- *
- * @param fab
- * must not be null
- * @param ci
- * must not be null (prototype to generate new instances)
- */
- public BindingProcessorManagerImpl(STALFactory fab, SLCommandInvoker ci) {
- if (fab == null) {
- throw new NullPointerException("STALFactory must not be null");
- }
- stalFactory = fab;
- if (ci == null) {
- throw new NullPointerException("SLCommandInvoker must not be null");
- }
- commandInvokerClass = ci;
- executorService = Executors.newCachedThreadPool();
- }
-
- /**
- *
- * @return the STALFactory currently used.
- */
- public STALFactory getStalFactory() {
- return stalFactory;
- }
-
- /**
- * Sets the STALFactory to be used.
- * @param stalFactory
- */
- public void setStalFactory(STALFactory stalFactory) {
- this.stalFactory = stalFactory;
- }
-
- /**
- * Could be used to setup a new executor service during application stratup.
- * @param executorService
- */
- public void setExecutorService(ExecutorService executorService) {
- this.executorService = executorService;
- }
-
- public void setRemovalStrategy(RemovalStrategy aStrategy) {
- removalStrategy = aStrategy;
- }
-
- public RemovalStrategy getRemovlaStrategy() {
- return removalStrategy;
- }
-
- public void shutdown() {
- log.info("Shutting down the BindingProcessorManager");
- executorService.shutdown();
+import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Locale; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.Future; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +import at.gv.egiz.bku.slcommands.SLCommandInvoker; +import at.gv.egiz.bku.slexceptions.SLRuntimeException; +import at.gv.egiz.bku.utils.binding.Protocol; +import at.gv.egiz.stal.STAL; +import at.gv.egiz.stal.STALFactory; + +/** + * This class maintains all active BindingProcessor Objects. Currently, only + * HTTPBinding is supported. + */ +public class BindingProcessorManagerImpl implements BindingProcessorManager { + + public final static Protocol[] SUPPORTED_PROTOCOLS = { Protocol.HTTP, + Protocol.HTTPS }; + + private static Log log = LogFactory.getLog(BindingProcessorManagerImpl.class); + + private RemovalStrategy removalStrategy; + private STALFactory stalFactory; + private SLCommandInvoker commandInvokerClass; + private ExecutorService executorService; + private Map<Id, MapEntityWrapper> bindingProcessorMap = Collections + .synchronizedMap(new HashMap<Id, MapEntityWrapper>()); + + /** + * Container to hold a Future and Bindingprocessor object as map value. + * + * @author wbauer + * @see BindingProcessorManagerImpl#bindingProcessorMap + */ + static class MapEntityWrapper { + private Future<?> future; + private BindingProcessor bindingProcessor; + + public MapEntityWrapper(Future<?> future, BindingProcessor bindingProcessor) { + if ((bindingProcessor == null) || (future == null)) { + throw new NullPointerException("Argument must not be null"); + } + this.bindingProcessor = bindingProcessor; + this.future = future; + } + + public Future<?> getFuture() { + return future; + } + + public BindingProcessor getBindingProcessor() { + return bindingProcessor; + } + + public int hashCode() { + return bindingProcessor.getId().hashCode(); + } + + public boolean equals(Object other) { + if (other instanceof MapEntityWrapper) { + MapEntityWrapper o = (MapEntityWrapper) other; + return (o.bindingProcessor.getId().equals(bindingProcessor.getId())); + } else { + return false; + } + } } - + + /** + * + * @param fab + * must not be null + * @param ci + * must not be null (prototype to generate new instances) + */ + public BindingProcessorManagerImpl(STALFactory fab, SLCommandInvoker ci) { + if (fab == null) { + throw new NullPointerException("STALFactory must not be null"); + } + stalFactory = fab; + if (ci == null) { + throw new NullPointerException("SLCommandInvoker must not be null"); + } + commandInvokerClass = ci; + executorService = Executors.newCachedThreadPool(); + } + + /** + * + * @return the STALFactory currently used. + */ + public STALFactory getStalFactory() { + return stalFactory; + } + + /** + * Sets the STALFactory to be used. + * + * @param stalFactory + */ + public void setStalFactory(STALFactory stalFactory) { + this.stalFactory = stalFactory; + } + + /** + * Could be used to setup a new executor service during application stratup. + * + * @param executorService + */ + public void setExecutorService(ExecutorService executorService) { + this.executorService = executorService; + } + + public void setRemovalStrategy(RemovalStrategy aStrategy) { + removalStrategy = aStrategy; + } + + public RemovalStrategy getRemovlaStrategy() { + return removalStrategy; + } + + public void shutdown() { + log.info("Shutting down the BindingProcessorManager"); + executorService.shutdown(); + } + public void shutdownNow() { - log.info("Shutting down the BindingProcessorManager NOW!"); + log.info("Shutting down the BindingProcessorManager NOW!"); executorService.shutdownNow(); - }
-
- /**
- * Uses the default locale
- */
- public BindingProcessor createBindingProcessor(String srcUrl,
- String aSessionId) throws MalformedURLException {
- return createBindingProcessor(srcUrl, aSessionId, null);
- }
-
- /**
- * FactoryMethod creating a new BindingProcessor object.
- *
- * @param protocol
+ log.debug("Number of binding prcessors currently managed: " + + bindingProcessorMap.size()); + if (log.isDebugEnabled()) { + for (Iterator<MapEntityWrapper> it = bindingProcessorMap.values() + .iterator(); it.hasNext();) { + MapEntityWrapper entry = it.next(); + log.debug(entry.getBindingProcessor().getId() + ": isDone: " + + entry.getFuture().isDone()); + log.debug(entry.getBindingProcessor().getId() + ": isCanceled: " + + entry.getFuture().isCancelled()); + } + } + } + + /** + * Uses the default locale + */ + public BindingProcessor createBindingProcessor(String srcUrl, + String aSessionId) throws MalformedURLException { + return createBindingProcessor(srcUrl, aSessionId, null); + } + + /** + * FactoryMethod creating a new BindingProcessor object. + * + * @param protocol * must not be null - * @throws MalformedURLException
- */
- public BindingProcessor createBindingProcessor(String srcUrl,
+ * @throws MalformedURLException + */ + public BindingProcessor createBindingProcessor(String srcUrl, String aSessionId, Locale locale) throws MalformedURLException { - URL url = new URL(srcUrl);
- String low = url.getProtocol().toLowerCase();
- Protocol proto = null;
- for (int i = 0; i < SUPPORTED_PROTOCOLS.length; i++) {
- if (SUPPORTED_PROTOCOLS[i].toString().equals(low)) {
- proto = SUPPORTED_PROTOCOLS[i];
- break;
- }
- }
- if (proto == null) {
- throw new UnsupportedOperationException();
- }
- BindingProcessor bindingProcessor = new HTTPBindingProcessor(aSessionId,
- commandInvokerClass.newInstance(), url);
+ URL url = new URL(srcUrl); + String low = url.getProtocol().toLowerCase(); + Protocol proto = null; + for (int i = 0; i < SUPPORTED_PROTOCOLS.length; i++) { + if (SUPPORTED_PROTOCOLS[i].toString().equals(low)) { + proto = SUPPORTED_PROTOCOLS[i]; + break; + } + } + if (proto == null) { + throw new UnsupportedOperationException(); + } + BindingProcessor bindingProcessor = new HTTPBindingProcessor(aSessionId, + commandInvokerClass.newInstance(), url); stalFactory.setLocale(locale); - STAL stal = stalFactory.createSTAL();
- bindingProcessor.init(stal, commandInvokerClass.newInstance());
- if (locale != null) {
- bindingProcessor.setLocale(locale);
- stal.setLocale(locale);
- }
- return bindingProcessor;
- }
-
- /**
- * @return the bindingprocessor object for this id or null if no bindingprocessor was found.
- */
- public BindingProcessor getBindingProcessor(Id aId) {
- if (bindingProcessorMap.get(aId) != null) {
- return bindingProcessorMap.get(aId).getBindingProcessor();
- } else {
- return null;
- }
- }
-
+ STAL stal = stalFactory.createSTAL(); + bindingProcessor.init(stal, commandInvokerClass.newInstance()); + if (locale != null) { + bindingProcessor.setLocale(locale); + stal.setLocale(locale); + } + return bindingProcessor; + } + + /** + * @return the bindingprocessor object for this id or null if no + * bindingprocessor was found. + */ + public BindingProcessor getBindingProcessor(Id aId) { + if (bindingProcessorMap.get(aId) != null) { + return bindingProcessorMap.get(aId).getBindingProcessor(); + } else { + return null; + } + } + /**
*
- */
- public void setSTALFactory(STALFactory aStalFactory) {
- if (aStalFactory == null) {
- throw new NullPointerException("Cannot set STALFactory to null");
- }
- stalFactory = aStalFactory;
- }
-
- /**
- * Causes the BindingProcessorManager to manage the provided BindingProcessor
- * @param aBindingProcessor must not be null
- */
- public void process(BindingProcessor aBindingProcessor) {
- if (bindingProcessorMap.containsKey(aBindingProcessor.getId())) {
- log.fatal("Clashing ids, cannot process bindingprocessor with id:"
- + aBindingProcessor.getId());
- throw new SLRuntimeException(
- "Clashing ids, cannot process bindingprocessor with id:"
- + aBindingProcessor.getId());
+ */ + public void setSTALFactory(STALFactory aStalFactory) { + if (aStalFactory == null) { + throw new NullPointerException("Cannot set STALFactory to null"); + } + stalFactory = aStalFactory; + } + + /** + * Causes the BindingProcessorManager to manage the provided BindingProcessor + * + * @param aBindingProcessor + * must not be null + */ + public void process(BindingProcessor aBindingProcessor) { + if (bindingProcessorMap.containsKey(aBindingProcessor.getId())) { + log.fatal("Clashing ids, cannot process bindingprocessor with id:" + + aBindingProcessor.getId()); + throw new SLRuntimeException( + "Clashing ids, cannot process bindingprocessor with id:" + + aBindingProcessor.getId()); } - log.debug("processing bindingprocessor: "+aBindingProcessor.getId());
- Future<?> f = executorService.submit(aBindingProcessor);
- bindingProcessorMap.put(aBindingProcessor.getId(), new MapEntityWrapper(f,
- aBindingProcessor));
- }
-
- @Override
- public void setSLCommandInvoker(SLCommandInvoker invoker) {
- commandInvokerClass = invoker;
- }
-
- @Override
+ log.debug("processing bindingprocessor: " + aBindingProcessor.getId()); + Future<?> f = executorService.submit(aBindingProcessor); + bindingProcessorMap.put(aBindingProcessor.getId(), new MapEntityWrapper(f, + aBindingProcessor)); + } + + @Override + public void setSLCommandInvoker(SLCommandInvoker invoker) { + commandInvokerClass = invoker; + } + + @Override public void removeBindingProcessor(Id sessionId) { - log.debug("Removing binding processor: "+sessionId);
- MapEntityWrapper wrapper = bindingProcessorMap
- .get(sessionId);
- if (wrapper == null) {
- return;
- }
- Future<?> f = wrapper.getFuture();
- if (!f.isDone()) {
- f.cancel(true);
- }
- bindingProcessorMap.remove(sessionId);
- }
-
- @Override
- public Set<Id> getManagedIds() {
- Set<Id> result = new HashSet<Id>();
- synchronized (bindingProcessorMap) {
- for (Iterator<Id> it = bindingProcessorMap.keySet().iterator(); it
- .hasNext();) {
- result.add(it.next());
- }
- }
- return result;
- }
+ log.debug("Removing binding processor: " + sessionId); + MapEntityWrapper wrapper = bindingProcessorMap.get(sessionId); + if (wrapper == null) { + return; + } + Future<?> f = wrapper.getFuture(); + if (!f.isDone()) { + f.cancel(true); + } + bindingProcessorMap.remove(sessionId); + } + + @Override + public Set<Id> getManagedIds() { + Set<Id> result = new HashSet<Id>(); + synchronized (bindingProcessorMap) { + for (Iterator<Id> it = bindingProcessorMap.keySet().iterator(); it + .hasNext();) { + result.add(it.next()); + } + } + return result; + } }
\ No newline at end of file |