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/*
* 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.sca.plugin.itest;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.HashMap;
import java.util.logging.Level;
import java.text.MessageFormat;
import org.apache.maven.plugin.logging.Log;
import org.apache.tuscany.core.monitor.ProxyMonitorFactory;
/**
* @version $Rev$ $Date$
*/
public class MavenMonitorFactory extends ProxyMonitorFactory {
private final Log log;
public MavenMonitorFactory(Log log) {
this.log = log;
Map<String, Object> configProperties = new HashMap<String, Object>();
configProperties.put("defaultLevel", Level.FINEST);
initInternal(configProperties);
}
protected <T> InvocationHandler createInvocationHandler(Class<T> monitorInterface, Map<String, Level> levels) {
ResourceBundle bundle = locateBundle(monitorInterface, bundleName);
return new MonitorHandler(monitorInterface.getName(), levels, bundle);
}
private class MonitorHandler implements InvocationHandler {
private final String monitorName;
private final Map<String, Level> methodLevels;
private final ResourceBundle bundle;
public MonitorHandler(String monitorName, Map<String, Level> methodLevels, ResourceBundle bundle) {
this.monitorName = monitorName;
this.methodLevels = methodLevels;
this.bundle = bundle;
}
public Object invoke(Object object, Method method, Object[] objects) throws Throwable {
String sourceMethod = method.getName();
Level level = methodLevels.get(sourceMethod);
if (level == Level.OFF) {
return null;
}
int value = level.intValue();
if (isLogEnabled(value)) {
String key = monitorName + '#' + sourceMethod;
String message;
if (bundle != null) {
message = bundle.getString(key);
} else {
message = null;
}
if (message != null) {
message = MessageFormat.format(message, objects);
} else {
StringBuilder builder = new StringBuilder();
builder.append(key).append(":");
for (Object o : objects) {
builder.append(' ');
if (o instanceof Throwable) {
builder.append(formatException((Throwable) o));
} else {
builder.append(String.valueOf(o));
}
}
message = builder.toString();
}
Throwable cause = getFirstException(objects);
if (cause != null) {
if (value >= Level.SEVERE.intValue()) {
log.error(message, cause);
} else if (value >= Level.WARNING.intValue()) {
log.warn(message, cause);
} else if (value >= Level.INFO.intValue()) {
log.info(message, cause);
} else if (value >= Level.FINEST.intValue()) {
log.debug(message, cause);
}
} else {
if (value >= Level.SEVERE.intValue()) {
log.error(message);
} else if (value >= Level.WARNING.intValue()) {
log.warn(message);
} else if (value >= Level.INFO.intValue()) {
log.info(message);
} else if (value >= Level.FINEST.intValue()) {
log.debug(message);
}
}
}
return null;
}
private boolean isLogEnabled(int value) {
return log.isDebugEnabled() && value >= Level.FINEST.intValue()
|| log.isInfoEnabled() && value >= Level.INFO.intValue()
|| log.isWarnEnabled() && value >= Level.WARNING.intValue()
|| log.isErrorEnabled() && value >= Level.SEVERE.intValue();
}
private Throwable getFirstException(Object[] objects) {
for (Object object : objects) {
if (object instanceof Throwable) {
return (Throwable) object;
}
}
return null;
}
}
}
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