diff options
Diffstat (limited to 'tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl')
3 files changed, 0 insertions, 230 deletions
diff --git a/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/InvalidLevelException.java b/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/InvalidLevelException.java deleted file mode 100644 index cfb924d8fb..0000000000 --- a/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/InvalidLevelException.java +++ /dev/null @@ -1,43 +0,0 @@ -/** - * - * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. - * - * 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 org.apache.tuscany.common.monitor.impl; - -/** - * @version $Rev$ $Date$ - */ -public class InvalidLevelException extends IllegalArgumentException { - private final String method; - private final String level; - - public InvalidLevelException(String method, String level) { - super(); - this.method = method; - this.level = level; - } - - public String getMethod() { - return method; - } - - public String getLevel() { - return level; - } - - public String getMessage() { - return "Invalid level for method " + method + " : " + level; - } -} diff --git a/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/JavaLoggingMonitorFactory.java b/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/JavaLoggingMonitorFactory.java deleted file mode 100644 index 06bb87d6dd..0000000000 --- a/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/JavaLoggingMonitorFactory.java +++ /dev/null @@ -1,139 +0,0 @@ -/** - * - * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. - * - * 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 org.apache.tuscany.common.monitor.impl; - -import java.lang.ref.WeakReference; -import java.lang.reflect.InvocationHandler; -import java.lang.reflect.Method; -import java.lang.reflect.Proxy; -import java.util.WeakHashMap; -import java.util.Map; -import java.util.HashMap; -import java.util.Properties; -import java.util.Iterator; -import java.util.logging.Logger; -import java.util.logging.Level; - -import org.apache.tuscany.common.monitor.MonitorFactory; -import org.apache.tuscany.common.monitor.LogLevel; - -/** - * A factory for monitors that forwards events to a {@link java.util.logging.Logger Java Logging (JSR47) Logger}. - * - * @version $Rev$ $Date$ - */ -public class JavaLoggingMonitorFactory implements MonitorFactory { - private final String bundleName; - private final Level defaultLevel; - private final Map<String, Level> levels; - - private final Map<Class<?>, WeakReference<?>> proxies = new WeakHashMap(); - - /** - * - * @param levels - * @param defaultLevel - * @param bundleName - */ - public JavaLoggingMonitorFactory(Properties levels, Level defaultLevel, String bundleName) { - this.defaultLevel = defaultLevel; - this.bundleName = bundleName; - this.levels = new HashMap(levels.size()); - for (Iterator<Map.Entry<Object, Object>> i = levels.entrySet().iterator(); i.hasNext();) { - Map.Entry<Object, Object> entry = i.next(); - String method = (String) entry.getKey(); - String level = (String) entry.getValue(); - try { - this.levels.put(method, Level.parse(level)); - } catch (IllegalArgumentException e) { - throw new InvalidLevelException(method, level); - } - } - } - - public synchronized <T> T getMonitor(Class<T> monitorInterface) { - T proxy = getCachedMonitor(monitorInterface); - if (proxy == null) { - proxy = createMonitor(monitorInterface); - proxies.put(monitorInterface, new WeakReference(proxy)); - } - return proxy; - } - - private <T>T getCachedMonitor(Class<T> monitorInterface) { - WeakReference<T> ref = (WeakReference<T>) proxies.get(monitorInterface); - return (ref != null) ? ref.get() : null; - } - - private <T>T createMonitor(Class<T> monitorInterface) { - String className = monitorInterface.getName(); - Logger logger = Logger.getLogger(className, bundleName); - Method[] methods = monitorInterface.getMethods(); - Map<String, Level> levels = new HashMap(methods.length); - for (int i = 0; i < methods.length; i++) { - Method method = methods[i]; - String key = className + '#' + method.getName(); - Level level = this.levels.get(key); - - // if not specified the in config properties, look for an annotation on the method - if (level == null) { - LogLevel annotation = method.getAnnotation(LogLevel.class); - if (annotation != null && annotation.value() != null) { - try { - level = Level.parse(annotation.value()); - } catch (IllegalArgumentException e) { - // bad value, just use the default - level = defaultLevel; - } - } - } - if (level != null) { - levels.put(method.getName(), level); - } - } - InvocationHandler handler = new LoggingHandler(logger, levels); - return (T) Proxy.newProxyInstance(monitorInterface.getClassLoader(), new Class<?>[]{monitorInterface}, handler); - } - - private static final class LoggingHandler implements InvocationHandler { - private final Logger logger; - private final Map<String, Level> methodLevels; - - public LoggingHandler(Logger logger, Map<String, Level> methodLevels) { - this.logger = logger; - this.methodLevels = methodLevels; - } - - public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { - String sourceMethod = method.getName(); - Level level = methodLevels.get(sourceMethod); - if (level != null && logger.isLoggable(level)) { - // construct the key for the resource bundle - String className = logger.getName(); - String key = className + '#' + sourceMethod; - - // if the only argument is a Throwable use the special logger for it - if (args != null && args.length == 1 && args[0] instanceof Throwable) { - logger.logp(level, className, sourceMethod, key, (Throwable) args[0]); - } else { - logger.logp(level, className, sourceMethod, key, args); - } - } - return null; - } - } -} diff --git a/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/NullMonitorFactory.java b/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/NullMonitorFactory.java deleted file mode 100644 index a2bbbd3965..0000000000 --- a/tags/java-stable-20060304/sca/common/src/main/java/org/apache/tuscany/common/monitor/impl/NullMonitorFactory.java +++ /dev/null @@ -1,48 +0,0 @@ -/** - * - * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. - * - * 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 org.apache.tuscany.common.monitor.impl; - -import java.lang.reflect.InvocationHandler; -import java.lang.reflect.Method; -import java.lang.reflect.Proxy; - -import org.apache.tuscany.common.monitor.MonitorFactory; - -/** - * Implementation of a {@link MonitorFactory} that produces implementations that simply return. - * - * @version $Rev$ $Date$ - */ -public class NullMonitorFactory implements MonitorFactory { - public <T> T getMonitor(Class<T> monitorInterface) { - /* - * This uses a reflection proxy to implement the monitor interface which - * is a simple but perhaps not very performant solution. Performance - * might be improved by code generating an implementation with empty methods. - */ - return monitorInterface.cast(Proxy.newProxyInstance(monitorInterface.getClassLoader(), new Class<?>[]{monitorInterface}, NULL_MONITOR)); - } - - /** - * Singleton invocation hander that does nothing. - */ - private static final InvocationHandler NULL_MONITOR = new InvocationHandler() { - public Object invoke(Object proxy, Method method, Object[] args) { - return null; - } - }; -} |