| /* |
| * 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.services.staticcm; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Hashtable; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import org.apache.felix.utils.properties.InterpolationHelper; |
| import org.apache.felix.utils.properties.TypedProperties; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.service.cm.Configuration; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| |
| public class Configurations { |
| |
| public static List<Configuration> loadConfigurations(BundleContext context, File directory) throws IOException { |
| Map<String, Map<String, Object>> configs = new HashMap<>(); |
| File[] files = directory.listFiles(); |
| |
| final InterpolationHelper.SubstitutionCallback cb = new InterpolationHelper.BundleContextSubstitutionCallback(context); |
| TypedProperties.SubstitutionCallback substitutionCallback = (name, key, value) -> cb.getValue(value); |
| |
| if (files != null) { |
| for (File file : files) { |
| if (file.getName().endsWith(".cfg")) { |
| try (InputStream in = new BufferedInputStream(new FileInputStream(file))) { |
| |
| in.mark(1); |
| boolean isXml = in.read() == '<'; |
| in.reset(); |
| if (isXml) { |
| final Properties p = new Properties(); |
| p.loadFromXML(in); |
| |
| Map<String, Object> strMap = new HashMap<>(); |
| for (Object k : p.keySet()) { |
| strMap.put(k.toString(), p.getProperty(k.toString())); |
| } |
| configs.put(file.getName(), strMap); |
| } else { |
| TypedProperties prop = new TypedProperties(substitutionCallback); |
| prop.load(in); |
| configs.put(file.getName(), prop); |
| } |
| |
| } |
| } |
| } |
| } |
| return createConfigurations(context, configs); |
| } |
| |
| public static List<Configuration> createConfigurations(BundleContext context, Map<String, Map<String, Object>> configs) { |
| List<Configuration> configurations = new ArrayList<>(); |
| for (Map.Entry<String, Map<String, Object>> entry : configs.entrySet()) { |
| String pid[] = parsePid(entry.getKey()); |
| Map<String, Object> cfg = entry.getValue(); |
| |
| String servicePid; |
| String factoryPid; |
| |
| if (pid[1] == null) { |
| servicePid = pid[0]; |
| factoryPid = null; |
| cfg.put(Constants.SERVICE_PID, pid[0]); |
| } else { |
| servicePid = pid[0] + "." + pid[1]; |
| factoryPid = pid[0]; |
| |
| } |
| |
| cfg.put(Constants.SERVICE_PID, servicePid); |
| if (factoryPid != null) { |
| cfg.put(ConfigurationAdmin.SERVICE_FACTORYPID, factoryPid); |
| } |
| configurations.add(new StaticConfigurationImpl(servicePid, factoryPid, new Hashtable<>(cfg))); |
| } |
| return configurations; |
| } |
| |
| private static String[] parsePid(String path) { |
| String pid = path.substring(0, path.lastIndexOf('.')); |
| int n = pid.indexOf('-'); |
| if (n > 0) { |
| String factoryPid = pid.substring(n + 1); |
| pid = pid.substring(0, n); |
| return new String[] { pid, factoryPid }; |
| } else { |
| return new String[] { pid, null }; |
| } |
| } |
| |
| } |