| /* |
| * 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.karaf.management.mbeans.log.internal; |
| |
| import org.apache.karaf.management.mbeans.log.LogMBean; |
| import org.ops4j.pax.logging.spi.PaxLoggingEvent; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.cm.Configuration; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| |
| import javax.management.NotCompliantMBeanException; |
| import javax.management.StandardMBean; |
| import java.io.IOException; |
| import java.util.*; |
| |
| /** |
| * Implementation of the Log MBean. |
| */ |
| public class LogMBeanImpl extends StandardMBean implements LogMBean { |
| |
| static final String CONFIGURATION_PID = "org.ops4j.pax.logging"; |
| static final String ROOT_LOGGER_PREFIX = "log4j.rootLogger"; |
| static final String LOGGER_PREFIX = "log4j.logger."; |
| static final String ROOT_LOGGER = "ROOT"; |
| |
| private BundleContext bundleContext; |
| |
| public LogMBeanImpl() throws NotCompliantMBeanException { |
| super(LogMBean.class); |
| } |
| |
| public void set(String level) throws Exception { |
| set(level, null); |
| } |
| |
| public void set(String level, String logger) throws Exception { |
| if (ROOT_LOGGER.equalsIgnoreCase(logger)) { |
| logger = null; |
| } |
| |
| // make sure both uppercase and lowercase levels are supported |
| level = level.toUpperCase(); |
| |
| if (!level.equals("TRACE") && !level.equals("DEBUG") && !level.equals("INFO") |
| && !level.equals("WARN") && !level.equals("ERROR") && !level.equals("DEFAULT")) { |
| throw new IllegalArgumentException("level must be set to TRACE, DEBUG, INFO, WARN or ERROR (or DEFAULT to unset it)"); |
| } |
| |
| Configuration cfg = getConfiguration(); |
| Dictionary props = cfg.getProperties(); |
| |
| String val; |
| String prop; |
| if (logger == null) { |
| prop = ROOT_LOGGER_PREFIX; |
| } else { |
| prop = LOGGER_PREFIX + logger; |
| } |
| val = (String) props.get(prop); |
| if (level.equals("DEFAULT")) { |
| if (val != null) { |
| val = val.trim(); |
| int idx = val.indexOf(","); |
| if (idx < 0) { |
| val = null; |
| } else { |
| val = val.substring(idx); |
| } |
| } |
| } else { |
| if (val == null) { |
| val = level; |
| } else { |
| val = val.trim(); |
| int idx = val.indexOf(","); |
| if (idx < 0) { |
| val = level; |
| } else { |
| val = level + val.substring(idx); |
| } |
| } |
| } |
| if (val == null) { |
| props.remove(prop); |
| } else { |
| props.put(prop, val); |
| } |
| cfg.update(props); |
| } |
| |
| public String get() throws Exception { |
| return get(null); |
| } |
| |
| public String get(String logger) throws Exception { |
| ConfigurationAdmin cfgAdmin = getConfigAdmin(); |
| Configuration cfg = cfgAdmin.getConfiguration(CONFIGURATION_PID, null); |
| Dictionary props = cfg.getProperties(); |
| |
| if (ROOT_LOGGER.equalsIgnoreCase(logger)) { |
| logger = null; |
| } |
| |
| String val; |
| for (; ; ) { |
| String prop; |
| if (logger == null) { |
| prop = ROOT_LOGGER_PREFIX; |
| } else { |
| prop = LOGGER_PREFIX + logger; |
| } |
| val = (String) props.get(prop); |
| val = getLevel(val); |
| if (val != null || logger == null) { |
| break; |
| } |
| int idx = logger.lastIndexOf('.'); |
| if (idx < 0) { |
| logger = null; |
| } else { |
| logger = logger.substring(0, idx); |
| } |
| } |
| String st = "Level: " + val; |
| return st; |
| } |
| |
| private boolean checkIfFromRequestedLog(PaxLoggingEvent event, String logger) { |
| return (event.getLoggerName().lastIndexOf(logger) >= 0) ? true : false; |
| } |
| |
| private String render(PaxLoggingEvent event) { |
| StringBuffer sb = new StringBuffer(); |
| sb.setLength(0); |
| if (event.getThrowableStrRep() != null) { |
| for (String r : event.getThrowableStrRep()) { |
| sb.append(r).append('\n'); |
| } |
| } |
| return sb.toString(); |
| } |
| |
| private String getLevel(String prop) { |
| if (prop == null) { |
| return null; |
| } else { |
| String val = prop.trim(); |
| int idx = val.indexOf(","); |
| if (idx == 0) { |
| val = null; |
| } else if (idx > 0) { |
| val = val.substring(0, idx); |
| } |
| return val; |
| } |
| } |
| |
| public BundleContext getBundleContext() { |
| return this.bundleContext; |
| } |
| |
| public void setBundleContext(BundleContext bundleContext) { |
| this.bundleContext = bundleContext; |
| } |
| |
| protected Configuration getConfiguration() throws IOException { |
| Configuration cfg = getConfigAdmin().getConfiguration(CONFIGURATION_PID, null); |
| return cfg; |
| } |
| |
| protected ConfigurationAdmin getConfigAdmin() { |
| ServiceReference ref = bundleContext.getServiceReference(ConfigurationAdmin.class.getName()); |
| if (ref != null) { |
| return (ConfigurationAdmin) bundleContext.getService(ref); |
| } |
| return null; |
| } |
| |
| } |