diff options
Diffstat (limited to 'sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor')
6 files changed, 0 insertions, 618 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/DefaultExceptionFormatter.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/DefaultExceptionFormatter.java deleted file mode 100644 index 14468061e3..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/DefaultExceptionFormatter.java +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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.core.monitor; - -import java.io.PrintWriter; - -import org.apache.tuscany.api.TuscanyException; -import org.apache.tuscany.api.TuscanyRuntimeException; -import org.apache.tuscany.host.monitor.ExceptionFormatter; - -/** - * Performs basics formatting of exceptions for JDK logging - * - * @version $Rev$ $Date$ - */ -public class DefaultExceptionFormatter implements ExceptionFormatter { - - public DefaultExceptionFormatter() { - } - - public boolean canFormat(Class<?> type) { - return Throwable.class.isAssignableFrom(type); - } - - public PrintWriter write(PrintWriter writer, Throwable exception) { - if (exception instanceof TuscanyException) { - TuscanyException e = (TuscanyException) exception; - e.appendBaseMessage(writer); - } else if (exception instanceof TuscanyRuntimeException) { - TuscanyRuntimeException e = (TuscanyRuntimeException) exception; - e.appendBaseMessage(writer); - } - writer.append("\n"); - return writer; - } - - -} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/InvalidLevelException.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/InvalidLevelException.java deleted file mode 100644 index cf07b0f914..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/InvalidLevelException.java +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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.core.monitor; - -/** - * Exception indicating an invalid log level has been passed. - * - * @version $Rev$ $Date$ - */ -public class InvalidLevelException extends IllegalArgumentException { - private static final long serialVersionUID = 7767234706427841915L; - private final String method; - private final String level; - - /** - * Constructor specifying the method name and the level affected. - * - * @param method the name of the method being monitored - * @param level the invalid log level value - */ - public InvalidLevelException(String method, String level) { - super(); - this.method = method; - this.level = level; - } - - /** - * Returns the name of the method being monitored. - * - * @return the name of the method being monitored - */ - public String getMethod() { - return method; - } - - /** - * Returns the invalid log level specified. - * - * @return the invalid log level that was specified - */ - public String getLevel() { - return level; - } - - public String getMessage() { - return "Invalid level for method " + method + " : " + level; - } -} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java deleted file mode 100644 index 4adff1b0db..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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.core.monitor; - -import java.lang.reflect.InvocationHandler; -import java.lang.reflect.Method; -import java.util.HashMap; -import java.util.Map; -import java.util.Properties; -import java.util.ResourceBundle; -import java.util.logging.Level; -import java.util.logging.LogRecord; -import java.util.logging.Logger; - -import org.osoa.sca.annotations.Service; - -import org.apache.tuscany.host.MonitorFactory; -import org.apache.tuscany.host.monitor.FormatterRegistry; - -/** - * A factory for monitors that forwards events to a {@link java.util.logging.Logger Java Logging (JSR47) Logger}. - * - * @version $Rev$ $Date$ - * @see java.util.logging - */ -@Service(interfaces = {MonitorFactory.class, FormatterRegistry.class}) -public class JavaLoggingMonitorFactory extends ProxyMonitorFactory { - - /** - * Construct a MonitorFactory that will monitor the specified methods at the specified levels and generate messages - * using java.util.logging. - * <p/> - * The supplied Properties can be used to specify custom log levels for specific monitor methods. The key should be - * the method name in form returned by <code>Class.getName() + '#' + Method.getName()</code> and the value the log - * level to use as defined by {@link java.util.logging.Level}. - * - * @param levels definition of custom levels for specific monitored methods, may be null or empty. - * @param defaultLevel the default log level to use - * @param bundleName the name of a resource bundle that will be passed to the logger - * @see java.util.logging.Logger - */ - public JavaLoggingMonitorFactory(Properties levels, Level defaultLevel, String bundleName) { - Map<String, Object> configProperties = new HashMap<String, Object>(); - configProperties.put("levels", levels); - configProperties.put("defaultLevel", defaultLevel); - configProperties.put("bundleName", bundleName); - initInternal(configProperties); - } - - /** - * Constructs a MonitorFactory that needs to be subsequently configured via a call to {@link #initialize}. - */ - public JavaLoggingMonitorFactory() { - } - - protected <T> InvocationHandler createInvocationHandler(Class<T> monitorInterface, - Map<String, Level> levels) { - ResourceBundle bundle = locateBundle(monitorInterface, bundleName); - Logger logger = Logger.getLogger(monitorInterface.getName()); - return new LoggingHandler(logger, levels, bundle); - } - - private class LoggingHandler implements InvocationHandler { - private final Logger logger; - private final Map<String, Level> methodLevels; - private final ResourceBundle bundle; - - public LoggingHandler(Logger logger, - Map<String, Level> methodLevels, - ResourceBundle bundle - ) { - this.logger = logger; - this.methodLevels = methodLevels; - this.bundle = bundle; - } - - 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; - - LogRecord logRecord = new LogRecord(level, key); - logRecord.setLoggerName(className); - logRecord.setSourceClassName(className); - logRecord.setSourceMethodName(sourceMethod); - logRecord.setParameters(args); - if (args != null) { - for (Object o : args) { - if (o instanceof Throwable) { - logRecord.setMessage(formatException((Throwable) o)); - break; - } - } - } - logRecord.setResourceBundle(bundle); - logger.log(logRecord); - } - return null; - } - } -} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/MonitorFactoryUtil.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/MonitorFactoryUtil.java deleted file mode 100644 index 92224d469f..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/MonitorFactoryUtil.java +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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.core.monitor; - -import org.apache.tuscany.host.MonitorFactory; - -import java.util.Map; - -/** - * Helper for creating MonitorFactory instances. - * - * @version $$Rev$$ $$Date$$ - */ - -public final class MonitorFactoryUtil { - /** - * Hide the constructor - */ - private MonitorFactoryUtil() { - } - - /** - * Creates a MonitorFactory instance of the specified type. - * @param name fully qualified classname of the desired MonitorFactory type - * @param props collection of initialization properties - * @return a configured MonitorFactory instance, or null if the factory could not be instantiated. - */ - @SuppressWarnings("unchecked") - public static MonitorFactory createMonitorFactory(String name, Map<String, Object> props) { - Class<? extends MonitorFactory> clazz; - try { - clazz = (Class<? extends MonitorFactory>) Class.forName(name); - } catch (ClassNotFoundException cnfe) { - return null; - } catch (ClassCastException cce) { - return null; - } - - return createMonitorFactory(clazz, props); - } - - /** - * Creates a MonitorFactory instance of the specified type. - * @param mfc class of the desired MonitorFactory type - * @param props collection of initialization properties - * @return a configured MonitorFactory instance, or null if the factory could not be instantiated. - */ - public static MonitorFactory createMonitorFactory(Class<? extends MonitorFactory> mfc, Map<String, Object> props) { - MonitorFactory mf; - try { - mf = mfc.newInstance(); - mf.initialize(props); - } catch (InstantiationException e) { - throw new AssertionError(e); - } catch (IllegalAccessException e) { - throw new AssertionError(e); - } - // allow IllegalArgumentException to propogate out - - return mf; - } -} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.java deleted file mode 100644 index 46c52e38f6..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.java +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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.core.monitor; - -import java.lang.reflect.InvocationHandler; -import java.lang.reflect.Method; -import java.lang.reflect.Proxy; -import java.util.Map; - -import org.osoa.sca.annotations.EagerInit; - -import org.apache.tuscany.host.MonitorFactory; -import org.apache.tuscany.host.monitor.ExceptionFormatter; - -/** - * Implementation of a {@link MonitorFactory} that produces implementations that simply return. - * - * @version $Rev$ $Date$ - */ -@EagerInit -public class NullMonitorFactory implements MonitorFactory { - - /** - * Singleton hander that does nothing. - */ - private static final InvocationHandler NULL_MONITOR = new InvocationHandler() { - public Object invoke(Object proxy, Method method, Object[] args) { - return null; - } - }; - - public void initialize(Map<String, Object> configProperties) { - } - - 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)); - } - - public void register(ExceptionFormatter formatter) { - - } - - public void unregister(ExceptionFormatter formatter) { - - } -} diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/ProxyMonitorFactory.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/ProxyMonitorFactory.java deleted file mode 100644 index d9ca9e6cfc..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/monitor/ProxyMonitorFactory.java +++ /dev/null @@ -1,234 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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.core.monitor; - -import java.util.Map; -import java.util.Properties; -import java.util.HashMap; -import java.util.ResourceBundle; -import java.util.Locale; -import java.util.MissingResourceException; -import java.util.List; -import java.util.ArrayList; -import java.util.WeakHashMap; -import java.util.logging.Level; -import java.lang.ref.WeakReference; -import java.lang.reflect.Method; -import java.lang.reflect.InvocationHandler; -import java.lang.reflect.Proxy; -import java.io.PrintWriter; -import java.io.StringWriter; - -import org.apache.tuscany.host.MonitorFactory; -import org.apache.tuscany.host.monitor.FormatterRegistry; -import org.apache.tuscany.host.monitor.ExceptionFormatter; -import org.apache.tuscany.api.annotation.LogLevel; - -/** - * @version $Rev$ $Date$ - */ -public abstract class ProxyMonitorFactory implements MonitorFactory, FormatterRegistry { - protected String bundleName; - protected final List<ExceptionFormatter> formatters = new ArrayList<ExceptionFormatter>(); - protected final ExceptionFormatter defaultFormatter = new DefaultExceptionFormatter(); - protected Level defaultLevel; - protected Map<String, Level> levels; - private final Map<Class<?>, WeakReference<?>> proxies = new WeakHashMap<Class<?>, WeakReference<?>>(); - - public void initialize(Map<String, Object> configProperties) { - if (configProperties == null) { - return; - } - initInternal(configProperties); - } - - protected void initInternal(Map<String, Object> configProperties) { - try { - this.defaultLevel = (Level) configProperties.get("defaultLevel"); - this.bundleName = (String) configProperties.get("bundleName"); - Properties levels = (Properties) configProperties.get("levels"); - - this.levels = new HashMap<String, Level>(); - if (levels != null) { - for (Map.Entry<Object, Object> entry : levels.entrySet()) { - 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); - } - } - } - } catch (ClassCastException cce) { - throw new IllegalArgumentException(cce.getLocalizedMessage()); - } - } - - public synchronized <T> T getMonitor(Class<T> monitorInterface) { - T proxy = getCachedMonitor(monitorInterface); - if (proxy == null) { - proxy = createMonitor(monitorInterface); - proxies.put(monitorInterface, new WeakReference<T>(proxy)); - } - return proxy; - } - - protected <T> T getCachedMonitor(Class<T> monitorInterface) { - WeakReference<?> ref = proxies.get(monitorInterface); - return (ref != null) ? monitorInterface.cast(ref.get()) : null; - } - - protected <T> T createMonitor(Class<T> monitorInterface) { - String className = monitorInterface.getName(); - Method[] methods = monitorInterface.getMethods(); - Map<String, Level> levels = new HashMap<String, Level>(methods.length); - for (Method method : methods) { - String key = className + '#' + method.getName(); - Level level = null; - if (this.levels != null) { - 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) { - level = defaultLevel; - } - levels.put(method.getName(), level); - } - - InvocationHandler handler = createInvocationHandler(monitorInterface, levels); - Object proxy = Proxy.newProxyInstance(monitorInterface.getClassLoader(), - new Class<?>[]{monitorInterface}, - handler); - return monitorInterface.cast(proxy); - } - - protected <T> ResourceBundle locateBundle(Class<T> monitorInterface, String bundleName) { - Locale locale = Locale.getDefault(); - ClassLoader cl = monitorInterface.getClassLoader(); - String packageName = monitorInterface.getPackage().getName(); - while (true) { - try { - return ResourceBundle.getBundle(packageName + '.' + bundleName, locale, cl); - } catch (MissingResourceException e) { - //ok - } - int index = packageName.lastIndexOf('.'); - if (index == -1) { - break; - } - packageName = packageName.substring(0, index); - } - try { - return ResourceBundle.getBundle(bundleName, locale, cl); - } catch (Exception e) { - return null; - } - } - - public void register(ExceptionFormatter formatter) { - formatters.add(formatter); - } - - public void unregister(ExceptionFormatter formatter) { - formatters.remove(formatter); - } - - protected abstract <T> InvocationHandler createInvocationHandler(Class<T> monitorInterface, - Map<String, Level> levels); - - protected String formatException(Throwable e) { - ExceptionFormatter formatter = defaultFormatter; - for (ExceptionFormatter candidate : formatters) { - if (candidate.canFormat(e.getClass())) { - formatter = candidate; - break; - } - } - StringWriter writer = new StringWriter(); - PrintWriter pw = new PrintWriter(writer); - formatter.write(pw, e); - format(pw, e); - pw.close(); - return writer.toString(); - } - - protected void format(PrintWriter writer, Throwable throwable) { - writer.println(throwable.getClass().getName()); - StackTraceElement[] trace = throwable.getStackTrace(); - for (StackTraceElement aTrace : trace) { - writer.println("\tat " + aTrace); - } - Throwable ourCause = throwable.getCause(); - - if (ourCause != null) { - printStackTraceAsCause(writer, ourCause, trace); - } - } - - protected void printStackTraceAsCause(PrintWriter pw, - Throwable throwable, - StackTraceElement[] causedTrace) { - - // Compute number of frames in common between this and caused - StackTraceElement[] trace = throwable.getStackTrace(); - int m = trace.length - 1; - int n = causedTrace.length - 1; - while (m >= 0 && n >= 0 && trace[m].equals(causedTrace[n])) { - m--; - n--; - } - int framesInCommon = trace.length - 1 - m; - - pw.println("Caused by: " + throwable.getClass().getName()); - - ExceptionFormatter formatter = defaultFormatter; - for (ExceptionFormatter candidate : formatters) { - if (candidate.canFormat(throwable.getClass())) { - formatter = candidate; - break; - } - } - formatter.write(pw, throwable); - - for (int i = 0; i <= m; i++) { - pw.println("\tat " + trace[i]); - } - if (framesInCommon != 0) { - pw.println("\t... " + framesInCommon + " more"); - } - - // Recurse if we have a cause - Throwable ourCause = throwable.getCause(); - if (ourCause != null) { - printStackTraceAsCause(pw, ourCause, trace); - } - } -} |