| /* |
| * 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.nutch.service.resources; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.PUT; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import org.apache.nutch.service.model.request.NutchConfig; |
| import com.fasterxml.jackson.jaxrs.annotation.JacksonFeatures; |
| import com.fasterxml.jackson.databind.SerializationFeature; |
| |
| @Path("/config") |
| public class ConfigResource extends AbstractResource{ |
| |
| public static final String DEFAULT = "default"; |
| |
| /** |
| * Returns a list of all configurations created. |
| * @return List of configurations |
| */ |
| @GET |
| @Path("/") |
| @JacksonFeatures(serializationEnable = { SerializationFeature.INDENT_OUTPUT }) |
| public Set<String> getConfigs() { |
| return configManager.list(); |
| } |
| |
| /** |
| * Get configuration properties |
| * @param configId The configuration ID to fetch |
| * @return HashMap of the properties set within the given configId |
| */ |
| @GET |
| @Path("/{configId}") |
| @JacksonFeatures(serializationEnable = { SerializationFeature.INDENT_OUTPUT }) |
| public Map<String, String> getConfig(@PathParam("configId") String configId) { |
| return configManager.getAsMap(configId); |
| } |
| |
| /** |
| * Get property |
| * @param configId The ID of the configuration |
| * @param propertyId The name(key) of the property |
| * @return value of the specified property in the provided configId. |
| */ |
| @GET |
| @Path("/{configId}/{propertyId}") |
| @Produces(MediaType.TEXT_PLAIN) |
| @JacksonFeatures(serializationEnable = { SerializationFeature.INDENT_OUTPUT }) |
| public String getProperty(@PathParam("configId") String configId, |
| @PathParam("propertyId") String propertyId) { |
| return configManager.getAsMap(configId).get(propertyId); |
| } |
| |
| /** |
| * Removes the configuration from the list of known configurations. |
| * @param configId The ID of the configuration to delete |
| */ |
| @DELETE |
| @Path("/{configId}") |
| public void deleteConfig(@PathParam("configId") String configId) { |
| configManager.delete(configId); |
| } |
| |
| /** |
| * Create new configuration. |
| * @param newConfig |
| * @return The name of the new configuration created |
| */ |
| @POST |
| @Path("/create") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.TEXT_PLAIN) |
| public Response createConfig(NutchConfig newConfig) { |
| if (newConfig == null) { |
| return Response.status(400) |
| .entity("Nutch configuration cannot be empty!").build(); |
| } |
| try{ |
| configManager.create(newConfig); |
| }catch(Exception e){ |
| return Response.status(400) |
| .entity(e.getMessage()).build(); |
| } |
| return Response.ok(newConfig.getConfigId()).build(); |
| } |
| |
| /** |
| * Adds/Updates a particular property value in the configuration |
| * @param confId Configuration ID whose property needs to be updated. Make sure that the given |
| * confId exists to prevent errors. |
| * @param propertyKey Name of the property |
| * @param value Value as a simple text |
| * @return Success code |
| */ |
| @PUT |
| @Path("/{configId}/{propertyId}") |
| @Consumes(MediaType.TEXT_PLAIN) |
| public Response updateProperty(@PathParam("configId")String confId, |
| @PathParam("propertyId")String propertyKey, String value) { |
| try{ |
| configManager.setProperty(confId, propertyKey, value); |
| }catch(Exception e) { |
| return Response.status(400).entity(e.getMessage()).build(); |
| } |
| return Response.ok().build(); |
| } |
| } |