content: /*
   * 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.ambari.server.resources.api.rest;
  
  import java.io.File;
  
  import jakarta.servlet.http.HttpServletRequest;
  import jakarta.servlet.http.HttpServletResponse;
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.PathParam;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.Context;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  
  import org.apache.ambari.annotations.ApiIgnore;
  import org.apache.ambari.server.resources.ResourceManager;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.inject.Inject;
  
  /**
   * Resource api.
   */
  @Path("/")
  public class GetResource {
    private static final Logger LOG = LoggerFactory.getLogger(GetResource.class);
  
    private static ResourceManager resourceManager;
  
    @Inject
    public static void init(ResourceManager instance) {
  	  resourceManager = instance;
    }
  
    @GET @ApiIgnore // until documented
    @Path("{resourcePath:.*}")
    @Consumes(MediaType.TEXT_PLAIN)
    @Produces(MediaType.APPLICATION_OCTET_STREAM)
    public Response getResource(@PathParam("resourcePath") String resourcePath,
        @Context HttpServletRequest req) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("Received a resource request from agent, resourcePath={}", resourcePath);
      }
      File resourceFile = resourceManager.getResource(resourcePath);
  
      if (!resourceFile.exists()) {
      	return Response.status(HttpServletResponse.SC_NOT_FOUND).build();
      }
  
      return Response.ok(resourceFile).build();
    }
  }
  