| /* |
| * 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.distribution.impl; |
| |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.Service; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.distribution.DistributionRequest; |
| import org.apache.sling.distribution.DistributionRequestState; |
| import org.apache.sling.distribution.DistributionResponse; |
| import org.apache.sling.distribution.Distributor; |
| import org.apache.sling.distribution.agent.spi.DistributionAgent; |
| import org.apache.sling.distribution.component.impl.DistributionComponentProvider; |
| import org.apache.sling.distribution.common.DistributionException; |
| import org.jetbrains.annotations.NotNull; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Default implementation of Distributor interface that dispatches the request to available agents. |
| */ |
| @Component |
| @Service(Distributor.class) |
| public class DefaultDistributor implements Distributor { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| |
| @Reference |
| private |
| DistributionComponentProvider componentProvider; |
| |
| @NotNull |
| public DistributionResponse distribute(@NotNull String agentName, @NotNull ResourceResolver resourceResolver, @NotNull DistributionRequest distributionRequest) { |
| DistributionAgent agent = componentProvider.getService(DistributionAgent.class, agentName); |
| |
| if (agent == null) { |
| return new SimpleDistributionResponse(DistributionRequestState.NOT_EXECUTED, "Agent is not available"); |
| } |
| |
| try { |
| return agent.execute(resourceResolver, distributionRequest); |
| } catch (DistributionException e) { |
| log.error("cannot execute", e); |
| return new SimpleDistributionResponse(DistributionRequestState.DROPPED, "Cannot execute request " + e.getMessage()); |
| } |
| } |
| } |