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 */
017package org.apache.camel.model.dataformat;
018
019import javax.xml.bind.annotation.XmlAccessType;
020import javax.xml.bind.annotation.XmlAccessorType;
021import javax.xml.bind.annotation.XmlAttribute;
022import javax.xml.bind.annotation.XmlRootElement;
023import javax.xml.bind.annotation.XmlTransient;
024
025import org.apache.camel.CamelContext;
026import org.apache.camel.model.DataFormatDefinition;
027import org.apache.camel.spi.DataFormat;
028import org.apache.camel.spi.Metadata;
029
030/**
031 * The Protobuf data format is used for serializing between Java objects and the Google Protobuf protocol.
032 *
033 * @version 
034 */
035@Metadata(firstVersion = "2.2.0", label = "dataformat,transformation", title = "Protobuf")
036@XmlRootElement(name = "protobuf")
037@XmlAccessorType(XmlAccessType.FIELD)
038public class ProtobufDataFormat extends DataFormatDefinition {
039    @XmlAttribute
040    private String instanceClass;
041    @XmlAttribute @Metadata(enums = "native,json", defaultValue = "native")
042    private String contentTypeFormat;
043    @XmlTransient
044    private Object defaultInstance;
045    
046    public ProtobufDataFormat() {
047        super("protobuf");
048    }
049    
050    public ProtobufDataFormat(String instanceClass) {
051        this();
052        setInstanceClass(instanceClass); 
053    }
054    
055    public ProtobufDataFormat(String instanceClass, String contentTypeFormat) {
056        this();
057        setInstanceClass(instanceClass);
058        setContentTypeFormat(contentTypeFormat);
059    }
060
061    public String getInstanceClass() {
062        return instanceClass;
063    }
064
065    /**
066     * Name of class to use when unarmshalling
067     */
068    public void setInstanceClass(String instanceClass) {
069        this.instanceClass = instanceClass;
070    }
071    
072    /**
073     * Defines a content type format in which protobuf message will be
074     * serialized/deserialized from(to) the Java been.
075     * The format can either be native or json for either native protobuf or json fields representation.
076     * The default value is native.
077     */
078    public void setContentTypeFormat(String contentTypeFormat) {
079        this.contentTypeFormat = contentTypeFormat;
080    }
081
082    public String getContentTypeFormat() {
083        return contentTypeFormat;
084    }
085
086    public Object getDefaultInstance() {
087        return defaultInstance;
088    }
089
090    public void setDefaultInstance(Object defaultInstance) {
091        this.defaultInstance = defaultInstance;
092    }
093
094    @Override
095    protected void configureDataFormat(DataFormat dataFormat, CamelContext camelContext) {
096        if (this.instanceClass != null) {
097            setProperty(camelContext, dataFormat, "instanceClass", instanceClass);
098        }
099        if (this.contentTypeFormat != null) {
100            setProperty(camelContext, dataFormat, "contentTypeFormat", contentTypeFormat);
101        }
102        if (this.defaultInstance != null) {
103            setProperty(camelContext, dataFormat, "defaultInstance", defaultInstance);
104        }
105    }
106
107}