| package org.apache.taverna.scufl2.wfdesc; |
| |
| /* |
| * |
| * 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. |
| * |
| */ |
| |
| |
| import java.io.IOException; |
| import java.net.URI; |
| |
| import com.fasterxml.jackson.core.JsonParseException; |
| import com.fasterxml.jackson.databind.JsonMappingException; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.sun.jersey.api.client.Client; |
| import com.sun.jersey.api.client.WebResource; |
| |
| public class WfdescAgent { |
| public static final URI DEFAULT_BASE = URI.create("http://sandbox.wf4ever-project.org/rosrs5/"); |
| |
| Client client = Client.create(); |
| ObjectMapper mapper = new ObjectMapper(); |
| |
| private WebResource base; |
| |
| public WfdescAgent() { |
| base = client.resource(DEFAULT_BASE); |
| } |
| |
| public WfdescAgent(URI baseURI) { |
| base = client.resource(baseURI); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| URI baseURI; |
| if (args.length > 0) { |
| baseURI = URI.create(args[0]); |
| } else { |
| baseURI = DEFAULT_BASE; |
| } |
| |
| new WfdescAgent(baseURI).annotateT2flows(); |
| |
| |
| |
| } |
| |
| public void annotateT2flows() throws JsonParseException, JsonMappingException, IOException { |
| String query = "PREFIX ro: <http://purl.org/wf4ever/ro#> " + |
| "" + |
| " SELECT ?ro ?p ?s ?name WHERE { " + |
| "?ro a ?x ;" + |
| " ?p ?s ." + |
| "?s ro:name ?name ." + |
| " FILTER REGEX(?name, \"t2flow$\") } "; |
| |
| for (JsonNode binding : sparql(query)) { |
| System.out.print( binding.path("ro").path("value").asText()); |
| System.out.print( binding.path("p").path("value").asText()); |
| System.out.print( binding.path("s").path("value").asText()); |
| System.out.println( binding.path("name").path("value").asText()); |
| |
| } |
| |
| |
| } |
| |
| public JsonNode sparql(String query) throws JsonParseException, JsonMappingException, IOException { |
| WebResource sparql = base.path("sparql"); |
| String json = sparql.queryParam("query", query).accept("application/sparql-results+json", "application/json").type("application/json").get(String.class); |
| //System.out.println(json); |
| JsonNode jsonNode = mapper.readValue(json, JsonNode.class); |
| return jsonNode.path("results").path("bindings"); |
| } |
| |
| } |