| /* |
| * 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.sling.tracer.internal; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import ch.qos.logback.classic.Level; |
| import org.apache.sling.commons.osgi.ManifestHeader; |
| |
| class TracerSet { |
| public static final String LEVEL = "level"; |
| public static final String CALLER = "caller"; |
| public static final String CALLER_PREFIX_FILTER = "callerPrefixFilter"; |
| |
| private final String name; |
| private final List<TracerConfig> configs; |
| |
| public TracerSet(String config) { |
| int indexOfColon = config.indexOf(':'); |
| if (indexOfColon == -1) { |
| throw new IllegalArgumentException("Invalid tracer config format. TracerSet " + |
| "name cannot be determined " + config); |
| } |
| |
| name = config.substring(0, indexOfColon).toLowerCase().trim(); |
| configs = parseTracerConfigs(config.substring(indexOfColon + 1)); |
| } |
| |
| public TracerSet(String name, String config) { |
| this.name = name; |
| this.configs = parseTracerConfigs(config); |
| } |
| |
| public TracerConfig getConfig(String category) { |
| for (TracerConfig tc : configs) { |
| if (tc.match(category)) { |
| return tc; |
| } |
| } |
| return null; |
| } |
| |
| public List<TracerConfig> getConfigs() { |
| return configs; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| private static List<TracerConfig> parseTracerConfigs(String config) { |
| ManifestHeader parsedConfig = ManifestHeader.parse(config); |
| List<TracerConfig> result = new ArrayList<TracerConfig>(parsedConfig.getEntries().length); |
| for (ManifestHeader.Entry e : parsedConfig.getEntries()) { |
| String category = e.getValue(); |
| |
| //Defaults to Debug |
| Level level = Level.valueOf(e.getAttributeValue(LEVEL)); |
| CallerStackReporter reporter = createReporter(e); |
| result.add(new TracerConfig(category, level, reporter)); |
| } |
| return Collections.unmodifiableList(result); |
| } |
| |
| static CallerStackReporter createReporter(ManifestHeader.Entry e) { |
| String caller = e.getAttributeValue(CALLER); |
| if (caller == null){ |
| return null; |
| } |
| |
| if ("true".equals(caller)){ |
| return new CallerStackReporter(0, Integer.MAX_VALUE, CallerFilter.ALL); |
| } |
| |
| CallerFilter filter = CallerFilter.ALL; |
| int depth; |
| try{ |
| depth = Integer.parseInt(caller); |
| } catch (NumberFormatException ignore){ |
| return null; |
| } |
| |
| String filterValue = e.getAttributeValue(CALLER_PREFIX_FILTER); |
| if (filterValue != null){ |
| filter = PrefixExcludeFilter.from(filterValue); |
| } |
| |
| return new CallerStackReporter(0, depth, filter); |
| } |
| } |