| /* |
| * 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.scr.state; |
| |
| import static java.lang.String.join; |
| import static java.util.Arrays.asList; |
| import static java.util.stream.Collectors.joining; |
| |
| import java.util.stream.Stream; |
| |
| import org.apache.karaf.bundle.core.BundleState; |
| import org.apache.karaf.bundle.core.BundleStateService; |
| import org.osgi.framework.Bundle; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.runtime.ServiceComponentRuntime; |
| import org.osgi.service.component.runtime.dto.ComponentConfigurationDTO; |
| |
| @Component( |
| name = "ServiceComponentRuntimeBundleStateService" |
| ) |
| public class ScrBundleStateService implements BundleStateService { |
| |
| @Reference |
| private ServiceComponentRuntime scr; |
| |
| @Override |
| public String getName() { |
| return BundleStateService.NAME_DS; |
| } |
| |
| @Override |
| public String getDiag(Bundle bundle) { |
| return allCompConfigs(bundle).map(this::diagComponent).collect(joining()); |
| } |
| |
| @Override |
| public BundleState getState(Bundle bundle) { |
| boolean waiting = bundle.getState() == Bundle.ACTIVE && allCompConfigs(bundle).anyMatch(this::unsatisfied); |
| return waiting ? BundleState.Waiting : BundleState.Unknown; |
| } |
| |
| private String diagComponent(ComponentConfigurationDTO cfg) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(cfg.description.name).append(" (").append(cfg.id).append(")\n"); |
| if ((cfg.state & ComponentConfigurationDTO.UNSATISFIED_CONFIGURATION) != 0) { |
| sb.append(" missing configurations: "); |
| sb.append(join(", ", cfg.description.configurationPid)); |
| sb.append("\n"); |
| } |
| if ((cfg.state & ComponentConfigurationDTO.UNSATISFIED_REFERENCE) != 0) { |
| sb.append(" missing references: "); |
| String references = asList(cfg.unsatisfiedReferences).stream().map(ref -> ref.name).collect(joining(", ")); |
| sb.append(references); |
| sb.append("\n"); |
| } |
| return sb.toString(); |
| } |
| |
| private Stream<ComponentConfigurationDTO> allCompConfigs(Bundle bundle) { |
| return scr.getComponentDescriptionDTOs(bundle).stream() |
| .flatMap(desc -> scr.getComponentConfigurationDTOs(desc).stream()); |
| } |
| |
| private boolean unsatisfied(ComponentConfigurationDTO cfg) { |
| return cfg.state != ComponentConfigurationDTO.ACTIVE |
| && cfg.state != ComponentConfigurationDTO.SATISFIED; |
| } |
| } |