/* * 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"); } }