| /** |
| * 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.jt400; |
| |
| import java.util.Map; |
| |
| import com.ibm.as400.access.AS400ConnectionPool; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.impl.UriEndpointComponent; |
| import org.apache.camel.spi.Metadata; |
| import org.apache.camel.util.EndpointHelper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * {@link org.apache.camel.Component} to provide integration with AS/400 objects. |
| * |
| * Current implementation supports working with data queues (*DTAQ) and Program calls (*PGM) |
| */ |
| public class Jt400Component extends UriEndpointComponent { |
| |
| /** |
| * Name of the connection pool URI option. |
| */ |
| static final String CONNECTION_POOL = "connectionPool"; |
| |
| /** |
| * Logging tool used by this class. |
| */ |
| private static final Logger LOG = LoggerFactory.getLogger(Jt400Component.class); |
| |
| /** |
| * Default connection pool used by the component. Note that this pool is |
| * lazily initialized. This is because in a scenario where the user always |
| * provides a pool, it would be wasteful for Camel to initialize and keep an |
| * idle pool. |
| */ |
| @Metadata(label = "advanced") |
| private AS400ConnectionPool connectionPool; |
| |
| public Jt400Component() { |
| super(Jt400Endpoint.class); |
| } |
| |
| @Override |
| protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> properties) throws Exception { |
| AS400ConnectionPool connectionPool; |
| if (properties.containsKey(CONNECTION_POOL)) { |
| LOG.trace("AS400ConnectionPool instance specified in the URI - will look it up."); |
| |
| // We have chosen to handle the connectionPool option ourselves, so |
| // we must remove it from the given parameter list (see |
| // http://camel.apache.org/writing-components.html) |
| String poolId = properties.remove(CONNECTION_POOL).toString(); |
| connectionPool = EndpointHelper.resolveReferenceParameter(getCamelContext(), poolId, AS400ConnectionPool.class, true); |
| } else { |
| LOG.trace("No AS400ConnectionPool instance specified in the URI - one will be provided."); |
| connectionPool = getConnectionPool(); |
| } |
| |
| String type = remaining.substring(remaining.lastIndexOf(".") + 1).toUpperCase(); |
| Jt400Endpoint endpoint = new Jt400Endpoint(uri, this, connectionPool); |
| setProperties(endpoint, properties); |
| endpoint.setType(Jt400Type.valueOf(type)); |
| return endpoint; |
| } |
| |
| /** |
| * Returns the default connection pool used by this component. |
| * |
| * @return the default connection pool used by this component |
| */ |
| public synchronized AS400ConnectionPool getConnectionPool() { |
| if (connectionPool == null) { |
| LOG.info("Instantiating the default connection pool ..."); |
| connectionPool = new AS400ConnectionPool(); |
| } |
| return connectionPool; |
| } |
| |
| public void setConnectionPool(AS400ConnectionPool connectionPool) { |
| this.connectionPool = connectionPool; |
| } |
| |
| @Override |
| protected void doShutdown() throws Exception { |
| super.doShutdown(); |
| if (connectionPool != null) { |
| LOG.info("Shutting down the default connection pool " + connectionPool + " ..."); |
| connectionPool.close(); |
| connectionPool = null; |
| } |
| } |
| |
| } |