| /** |
| * 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.dataformat; |
| |
| import org.apache.camel.AsyncCallback; |
| import org.apache.camel.AsyncProcessor; |
| import org.apache.camel.Component; |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Producer; |
| import org.apache.camel.spi.DataFormat; |
| import org.apache.camel.spi.Metadata; |
| import org.apache.camel.spi.UriEndpoint; |
| import org.apache.camel.spi.UriPath; |
| import org.apache.camel.support.DefaultAsyncProducer; |
| import org.apache.camel.support.DefaultEndpoint; |
| import org.apache.camel.support.processor.MarshalProcessor; |
| import org.apache.camel.support.processor.UnmarshalProcessor; |
| import org.apache.camel.support.service.ServiceHelper; |
| |
| /** |
| * The dataformat component is used for working with Data Formats as if it was a regular Component supporting Endpoints and URIs. |
| */ |
| @UriEndpoint(firstVersion = "2.12.0", scheme = "dataformat", title = "Data Format", syntax = "dataformat:name:operation", producerOnly = true, |
| label = "core,transformation", lenientProperties = true) |
| public class DataFormatEndpoint extends DefaultEndpoint { |
| |
| private AsyncProcessor processor; |
| private DataFormat dataFormat; |
| |
| @UriPath(description = "Name of data format") @Metadata(required = true) |
| private String name; |
| @UriPath(enums = "marshal,unmarshal") @Metadata(required = true) |
| private String operation; |
| |
| public DataFormatEndpoint() { |
| } |
| |
| public DataFormatEndpoint(String endpointUri, Component component, DataFormat dataFormat) { |
| super(endpointUri, component); |
| this.dataFormat = dataFormat; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public DataFormat getDataFormat() { |
| return dataFormat; |
| } |
| |
| public void setDataFormat(DataFormat dataFormat) { |
| this.dataFormat = dataFormat; |
| } |
| |
| public String getOperation() { |
| return operation; |
| } |
| |
| /** |
| * Operation to use either marshal or unmarshal |
| */ |
| public void setOperation(String operation) { |
| this.operation = operation; |
| } |
| |
| @Override |
| public Producer createProducer() throws Exception { |
| return new DefaultAsyncProducer(this) { |
| @Override |
| public boolean process(Exchange exchange, AsyncCallback callback) { |
| return processor.process(exchange, callback); |
| } |
| |
| @Override |
| public String toString() { |
| return "DataFormatProducer[" + dataFormat + "]"; |
| } |
| }; |
| } |
| |
| @Override |
| public Consumer createConsumer(Processor processor) throws Exception { |
| throw new UnsupportedOperationException("Cannot consume from data format"); |
| } |
| |
| @Override |
| public boolean isSingleton() { |
| return true; |
| } |
| |
| @Override |
| public boolean isLenientProperties() { |
| return true; |
| } |
| |
| @Override |
| protected void doStart() throws Exception { |
| if (dataFormat == null && name != null) { |
| dataFormat = getCamelContext().resolveDataFormat(name); |
| } |
| if (operation.equals("marshal")) { |
| MarshalProcessor marshal = new MarshalProcessor(dataFormat); |
| marshal.setCamelContext(getCamelContext()); |
| |
| processor = marshal; |
| } else { |
| UnmarshalProcessor unmarshal = new UnmarshalProcessor(dataFormat); |
| unmarshal.setCamelContext(getCamelContext()); |
| |
| processor = unmarshal; |
| } |
| |
| ServiceHelper.startService(dataFormat, processor); |
| super.doStart(); |
| } |
| |
| @Override |
| protected void doStop() throws Exception { |
| ServiceHelper.stopService(processor, dataFormat); |
| super.doStop(); |
| } |
| } |