Java tutorial
/** * Copyright (C) 2015 Red Hat, Inc. * * Licensed 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 io.fabric8.elasticsearch.plugin.acl; import java.io.IOException; import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.TreeMap; import org.apache.commons.lang.builder.ToStringBuilder; import org.apache.commons.lang.builder.ToStringStyle; import org.elasticsearch.common.xcontent.XContentBuilder; import org.elasticsearch.common.xcontent.XContentFactory; import org.elasticsearch.common.xcontent.XContentType; import io.fabric8.elasticsearch.plugin.ConfigurationSettings; public class SearchGuardRolesMapping implements Iterable<SearchGuardRolesMapping.RolesMapping>, SearchGuardACLDocument { public static final String ADMIN_ROLE = "gen_project_operations"; public static final String KIBANA_SHARED_ROLE = SearchGuardRoles.ROLE_PREFIX + "_ocp_kibana_shared"; private static final String USER_HEADER = "users"; private List<RolesMapping> mappings = new ArrayList<>(); public static class RolesMapping { private String name; private List<String> users = new ArrayList<String>(); public String getName() { return name; } public void setName(String name) { this.name = name; } public List<String> getUsers() { return users; } public void setUsers(List<String> users) { this.users = users; } @Override public String toString() { return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); } } @Override public Iterator<RolesMapping> iterator() { return new ArrayList<>(mappings).iterator(); } @Override public String toString() { return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); } public void removeRolesMapping(RolesMapping mapping) { mappings.remove(mapping); } @SuppressWarnings("unchecked") public SearchGuardRolesMapping load(Map<String, Object> source) { RolesMappingBuilder builder = new RolesMappingBuilder(); for (String key : source.keySet()) { HashMap<String, List<String>> users = (HashMap<String, List<String>>) source.get(key); builder.setUsers(key, users.get(USER_HEADER)); } mappings = builder.build(); return this; } public Map<String, Object> toMap() { Map<String, Object> output = new TreeMap<String, Object>(); // output keys are names of mapping for (RolesMapping mapping : mappings) { Map<String, List<String>> mappingObject = new TreeMap<String, List<String>>(); mappingObject.put(USER_HEADER, mapping.getUsers()); output.put(mapping.getName(), mappingObject); } return output; } @Override public String getType() { return ConfigurationSettings.SEARCHGUARD_MAPPING_TYPE; } @Override public XContentBuilder toXContentBuilder() { try { XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON); builder.map(toMap()); return builder; } catch (IOException e) { throw new RuntimeException("Unable to convert the SearchGuardRolesMapping to JSON", e); } } public void addAll(Collection<RolesMapping> mappings) { this.mappings.addAll(mappings); } }