001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.core.xml;
018
019 import javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlAttribute;
022 import javax.xml.bind.annotation.XmlTransient;
023
024 import org.apache.camel.CamelContext;
025 import org.apache.camel.Endpoint;
026 import org.apache.camel.ProducerTemplate;
027 import org.apache.camel.impl.DefaultProducerTemplate;
028 import org.apache.camel.util.ServiceHelper;
029
030 /**
031 * A factory for creating a new {@link org.apache.camel.ProducerTemplate}
032 * instance with a minimum of XML
033 *
034 * @version
035 */
036 @XmlAccessorType(XmlAccessType.FIELD)
037 public abstract class AbstractCamelProducerTemplateFactoryBean extends AbstractCamelFactoryBean<ProducerTemplate> {
038 @XmlTransient
039 private ProducerTemplate template;
040 @XmlAttribute(required = false)
041 private String defaultEndpoint;
042 @XmlAttribute
043 private Integer maximumCacheSize;
044
045 public ProducerTemplate getObject() throws Exception {
046 CamelContext context = getCamelContext();
047 if (defaultEndpoint != null) {
048 Endpoint endpoint = context.getEndpoint(defaultEndpoint);
049 if (endpoint == null) {
050 throw new IllegalArgumentException("No endpoint found for URI: " + defaultEndpoint);
051 } else {
052 template = new DefaultProducerTemplate(context, endpoint);
053 }
054 } else {
055 template = new DefaultProducerTemplate(context);
056 }
057
058 // set custom cache size if provided
059 if (maximumCacheSize != null) {
060 template.setMaximumCacheSize(maximumCacheSize);
061 }
062
063 // must start it so its ready to use
064 ServiceHelper.startService(template);
065 return template;
066 }
067
068 public Class<DefaultProducerTemplate> getObjectType() {
069 return DefaultProducerTemplate.class;
070 }
071
072 public void destroy() throws Exception {
073 ServiceHelper.stopService(template);
074 }
075
076 // Properties
077 // -------------------------------------------------------------------------
078
079 public String getDefaultEndpoint() {
080 return defaultEndpoint;
081 }
082
083 /**
084 * Sets the default endpoint URI used by default for sending message exchanges
085 */
086 public void setDefaultEndpoint(String defaultEndpoint) {
087 this.defaultEndpoint = defaultEndpoint;
088 }
089
090 public Integer getMaximumCacheSize() {
091 return maximumCacheSize;
092 }
093
094 public void setMaximumCacheSize(Integer maximumCacheSize) {
095 this.maximumCacheSize = maximumCacheSize;
096 }
097
098 }