| /* |
| * 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 flex.management.runtime.messaging.log; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.lang.reflect.Field; |
| |
| import flex.management.ManageableComponent; |
| import flex.messaging.config.ConfigurationException; |
| import flex.messaging.log.Log; |
| import flex.messaging.log.LogCategories; |
| import flex.messaging.log.Target; |
| |
| |
| /** |
| * The LogManager is an interface between the Log and the LogControl which exists |
| * because Log lives in the common package, so it cannot extend ManageableComponent itself, |
| * which is necessary for a class to be exposed through MBeans. |
| */ |
| public class LogManager extends ManageableComponent { |
| |
| private static final String LOG_CATEGORY = LogCategories.CONFIGURATION; // Log category used by LogManager (ManageableComponent) |
| private static final int NULL_LOG_REF_EXCEPTION = 10031; |
| |
| private Log log; |
| private String ID = "log"; |
| private CategoryManager categoryManager; |
| private LogControl controller; |
| |
| private boolean isSetup; |
| |
| /** |
| * Public constructor required by ManageableComponent. |
| */ |
| public LogManager() { |
| this(true); |
| } |
| |
| public LogManager(boolean enableManagement) { |
| super(enableManagement); |
| setId(ID); |
| |
| categoryManager = new CategoryManager(); |
| |
| } |
| |
| |
| public void setupLogControl() { |
| if (!isSetup) { |
| controller = new LogControl(getParent().getControl(), this); |
| setControl(controller); |
| controller.register(); |
| isSetup = true; |
| } |
| } |
| |
| public void stop() { |
| if (!isStarted()) { |
| return; |
| } |
| |
| |
| super.stop(); |
| |
| // Remove management |
| if (isManaged()) { |
| if (getControl() != null) { |
| getControl().unregister(); |
| setControl(null); |
| } |
| setManaged(false); |
| } |
| } |
| |
| public void setLog(Log logInstance) { |
| log = logInstance; |
| } |
| |
| /* (non-Javadoc) |
| * @see flex.management.ManageableComponent#getLogCategory() |
| */ |
| protected String getLogCategory() { |
| return LOG_CATEGORY; |
| } |
| |
| /** |
| * Gets the Loggers as a string array. |
| * |
| * @return a String array |
| */ |
| public String[] getLoggers() { |
| return log.getLoggers(); |
| } |
| |
| /** |
| * Gets the Target IDs. |
| * |
| * @return a string array |
| */ |
| public String[] getTargetIds() { |
| return (String[]) Log.getTargetMap().keySet().toArray(new String[0]); |
| } |
| |
| /** |
| * Get a Target for a targetId. |
| * |
| * @param targetId the target ID |
| * @return the target from the Log, or null if it is not found |
| */ |
| public Target getTarget(String targetId) { |
| return (Target) Log.getTargetMap().get(targetId); |
| } |
| |
| /** |
| * Gets the filters for a given target. |
| * |
| * @param targetId the target ID |
| * @return a string array |
| */ |
| public String[] getTargetFilters(String targetId) { |
| |
| Target target = getTarget(targetId); |
| |
| if (target == null) |
| return new String[0]; |
| |
| List filterObjects = target.getFilters(); |
| String[] filters = new String[filterObjects.size()]; |
| for (int i = 0; i < filterObjects.size(); i++) { |
| filters[i] = (String) filterObjects.get(i); |
| } |
| |
| return filters; |
| } |
| |
| /** |
| * Check whether a filter is valid. |
| * |
| * @param filter the filter string to check |
| * @return whether the category exists in LogCategories |
| */ |
| public boolean checkFilter(String filter) { |
| return categoryManager.checkFilter(filter); |
| } |
| |
| /** |
| * Return a list of categories in LogCategories. |
| * |
| * @return the list of categories in LogCategories |
| */ |
| public List getCategories() { |
| return categoryManager.getCategories(); |
| } |
| |
| protected void validate() { |
| if (isValid()) |
| return; |
| |
| super.validate(); |
| |
| if (log == null) { |
| invalidate(); |
| ConfigurationException ex = new ConfigurationException(); |
| ex.setMessage(NULL_LOG_REF_EXCEPTION, new Object[]{}); |
| throw ex; |
| } |
| |
| } |
| |
| /** |
| * This private class keeps track of what categories exist in LogCategories by implementing |
| * LogCategories and reflecting the interface's properties. |
| */ |
| private class CategoryManager implements LogCategories { |
| private List categories; |
| |
| /** |
| * Construct an ArrayList for each category in the reflected public properties |
| * Note this will be incorrect if additional public properties are added to this class |
| * or to the interface LogCategories. |
| */ |
| public CategoryManager() { |
| categories = new ArrayList(); |
| |
| Field[] categoryFields = this.getClass().getFields(); |
| for (int i = 0; i < categoryFields.length; i++) { |
| try { |
| categories.add((String) categoryFields[i].get(this)); |
| } catch (IllegalAccessException iae) { |
| // Illegal Access on reflection |
| } |
| } |
| } |
| |
| |
| /** |
| * Check if any categories match with the filter (the filter is valid or not). |
| * |
| * @param filter the filter string to check |
| * @return whether the filter is valid (with or without a trailing .*) |
| */ |
| public boolean checkFilter(String filter) { |
| |
| for (int i = 0; i < categories.size(); i++) { |
| if (Log.checkFilterToCategory((String) filter, (String) categories.get(i))) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Return a list of log categories. |
| * |
| * @return List a list of the categories |
| */ |
| public List getCategories() { |
| return Collections.unmodifiableList(new ArrayList(categories)); |
| } |
| } |
| } |