| /* |
| * 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.serviceusermapping.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Map; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.PropertyUnbounded; |
| import org.apache.felix.scr.annotations.Service; |
| import org.apache.sling.commons.osgi.PropertiesUtil; |
| import org.apache.sling.serviceusermapping.ServiceUserMapper; |
| import org.osgi.framework.Bundle; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Component( |
| metatype = true, |
| label = "Apache Sling Service User Mapper Service", |
| description = "Configuration for the service mapping service names to names of users.") |
| @Service(value=ServiceUserMapper.class) |
| public class ServiceUserMapperImpl implements ServiceUserMapper { |
| |
| @Property( |
| label = "Service Mappings", |
| description = "Provides mappings from service name to user names. " |
| + "Each entry is of the form 'serviceName [ \":\" subServiceName ] \"=\" userName' " |
| + "where serviceName and subServiceName identify the service and userName " |
| + "defines the name of the user to provide to the service. Invalid entries are logged and ignored.", |
| unbounded = PropertyUnbounded.ARRAY) |
| private static final String PROP_SERVICE2USER_MAPPING = "user.mapping"; |
| |
| private static final String[] PROP_SERVICE2USER_MAPPING_DEFAULT = {}; |
| |
| private static final String PROP_DEFAULT_USER = "user.default"; |
| |
| @Property( |
| name = PROP_DEFAULT_USER, |
| label = "Default User", |
| description = "The name of the user to use as the default if no service mapping" |
| + "applies. If this property is missing or empty no default user is defined.") |
| private static final String PROP_DEFAULT_USER_DEFAULT = null; |
| |
| /** default log */ |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private Mapping[] serviceUserMappings; |
| |
| private String defaultUser; |
| |
| @Activate |
| @Modified |
| void configure(final Map<String, Object> config) { |
| final String[] props = PropertiesUtil.toStringArray(config.get(PROP_SERVICE2USER_MAPPING), |
| PROP_SERVICE2USER_MAPPING_DEFAULT); |
| |
| ArrayList<Mapping> mappings = new ArrayList<Mapping>(props.length); |
| for (String prop : props) { |
| if (prop != null) { |
| try { |
| Mapping mapping = new Mapping(prop); |
| mappings.add(mapping); |
| } catch (IllegalArgumentException iae) { |
| log.info("configure: Ignoring '{}': {}", prop, iae.getMessage()); |
| } |
| } |
| } |
| |
| this.serviceUserMappings = mappings.toArray(new Mapping[mappings.size()]); |
| this.defaultUser = PropertiesUtil.toString(config.get(PROP_DEFAULT_USER), PROP_DEFAULT_USER_DEFAULT); |
| } |
| |
| /** |
| * @see org.apache.sling.serviceusermapping.ServiceUserMapper#getServiceUserID(org.osgi.framework.Bundle, java.lang.String) |
| */ |
| public String getServiceUserID(final Bundle bundle, final String subServiceName) { |
| final String serviceName = bundle.getSymbolicName(); |
| |
| // try with serviceInfo first |
| for (Mapping mapping : this.serviceUserMappings) { |
| final String user = mapping.map(serviceName, subServiceName); |
| if (user != null) { |
| return user; |
| } |
| } |
| |
| // second round without serviceInfo |
| for (Mapping mapping : this.serviceUserMappings) { |
| final String user = mapping.map(serviceName, null); |
| if (user != null) { |
| return user; |
| } |
| } |
| |
| // finally, fall back to default user |
| return this.defaultUser; |
| } |
| } |