| /* |
| * 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.solr.analytics.stream; |
| |
| import org.apache.lucene.util.SuppressForbidden; |
| import org.apache.solr.analytics.AnalyticsRequestManager; |
| import org.apache.solr.client.solrj.ResponseParser; |
| import org.apache.solr.common.SolrException; |
| import org.apache.solr.common.SolrException.ErrorCode; |
| import org.apache.solr.common.util.NamedList; |
| import org.apache.solr.handler.AnalyticsHandler; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectInputStream; |
| import java.io.Reader; |
| |
| /** |
| * This parser initiates a merge of an Analytics Shard Response, sent from the {@link AnalyticsHandler}. |
| * |
| * The input stream is immediately sent to the given {@link AnalyticsRequestManager} to merge. |
| */ |
| public class AnalyticsShardResponseParser extends ResponseParser { |
| public static final String BINARY_CONTENT_TYPE = "application/octet-stream"; |
| public static final String STREAM = "application/octet-stream"; |
| |
| private final AnalyticsRequestManager manager; |
| |
| /** |
| * |
| * @param manager the manager of the current Analytics Request, will manage the merging of shard data |
| */ |
| public AnalyticsShardResponseParser(AnalyticsRequestManager manager) { |
| this.manager = manager; |
| } |
| |
| @Override |
| public String getWriterType() { |
| return "analytics_shard_stream"; |
| } |
| |
| @Override |
| @SuppressForbidden(reason = "XXX: security hole") |
| public NamedList<Object> processResponse(InputStream body, String encoding) { |
| DataInputStream input = new DataInputStream(body); |
| //check to see if the response is an exception |
| NamedList<Object> exception = new NamedList<>(); |
| try { |
| if (input.readBoolean()) { |
| manager.importShardData(input); |
| } else { |
| exception.add("Exception", new ObjectInputStream(input).readObject()); |
| } |
| } catch (IOException e) { |
| exception.add("Exception", new SolrException(ErrorCode.SERVER_ERROR, "Couldn't process analytics shard response", e)); |
| } catch (ClassNotFoundException e1) { |
| throw new RuntimeException(e1); |
| } |
| return exception; |
| } |
| |
| @Override |
| public String getContentType() { |
| return BINARY_CONTENT_TYPE; |
| } |
| |
| @Override |
| public String getVersion() { |
| return "1"; |
| } |
| |
| @Override |
| public NamedList<Object> processResponse(Reader reader) { |
| throw new RuntimeException("Cannot handle character stream"); |
| } |
| } |