| /* |
| * 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.camel.component.avro; |
| |
| import java.net.URI; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.spi.Metadata; |
| import org.apache.camel.spi.annotations.Component; |
| import org.apache.camel.support.DefaultComponent; |
| import org.apache.camel.util.URISupport; |
| |
| @Component("avro") |
| public class AvroComponent extends DefaultComponent { |
| |
| private ConcurrentMap<String, AvroListener> listenerRegistry = new ConcurrentHashMap<>(); |
| |
| @Metadata(label = "advanced") |
| private AvroConfiguration configuration; |
| |
| public AvroComponent() { |
| } |
| |
| public AvroComponent(CamelContext context) { |
| super(context); |
| } |
| |
| |
| /** |
| * A factory method allowing derived components to create a new endpoint |
| * from the given URI, remaining path and optional parameters |
| * |
| * @param uri the full URI of the endpoint |
| * @param remaining the remaining part of the URI without the query |
| * parameters or component prefix |
| * @param parameters the optional parameters passed in |
| * @return a newly created endpoint or null if the endpoint cannot be |
| * created based on the inputs |
| */ |
| @Override |
| protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception { |
| AvroConfiguration config; |
| if (configuration != null) { |
| config = configuration.copy(); |
| } else { |
| config = new AvroConfiguration(); |
| } |
| |
| URI endpointUri = new URI(URISupport.normalizeUri(remaining)); |
| config.parseURI(endpointUri); |
| |
| Endpoint answer; |
| if (AvroConstants.AVRO_NETTY_TRANSPORT.equals(endpointUri.getScheme())) { |
| answer = new AvroNettyEndpoint(remaining, this, config); |
| } else if (AvroConstants.AVRO_HTTP_TRANSPORT.equals(endpointUri.getScheme())) { |
| answer = new AvroHttpEndpoint(remaining, this, config); |
| } else { |
| throw new IllegalArgumentException("Unknown avro scheme. Should use either netty or http."); |
| } |
| setProperties(answer, parameters); |
| return answer; |
| } |
| |
| /** |
| * Registers new responder with uri as key. Registers consumer in responder. |
| * In case if responder is already registered by this uri then just |
| * registers consumer. |
| * |
| * @param uri URI of the endpoint without message name |
| * @param messageName message name |
| * @param consumer consumer that will be registered in providers` registry |
| * @throws Exception |
| */ |
| public void register(String uri, String messageName, AvroConsumer consumer) throws Exception { |
| AvroListener listener = listenerRegistry.get(uri); |
| if (listener == null) { |
| listener = new AvroListener(consumer.getEndpoint()); |
| listenerRegistry.put(uri, listener); |
| } |
| listener.register(messageName, consumer); |
| } |
| |
| /** |
| * Calls unregister of consumer by appropriate message name. |
| * In case if all consumers are unregistered then it removes responder from the registry. |
| * |
| * @param uri URI of the endpoint without message name |
| * @param messageName message name |
| */ |
| public void unregister(String uri, String messageName) { |
| if (listenerRegistry.get(uri).unregister(messageName)) { |
| listenerRegistry.remove(uri); |
| } |
| } |
| |
| public AvroConfiguration getConfiguration() { |
| return configuration; |
| } |
| |
| /** |
| * To use a shared {@link AvroConfiguration} to configure options once |
| */ |
| public void setConfiguration(AvroConfiguration configuration) { |
| this.configuration = configuration; |
| } |
| } |