/**
* Copyright (c) 2013, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed 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.wso2.carbon.business.messaging.hl7.common.data.utils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.business.messaging.hl7.common.HL7Constants;
import org.wso2.carbon.databridge.commons.Attribute;
import org.wso2.carbon.databridge.commons.AttributeType;
import org.wso2.carbon.databridge.commons.StreamDefinition;
import org.wso2.carbon.databridge.commons.exception.MalformedStreamDefinitionException;
import java.util.ArrayList;
import java.util.List;
/**
* This is the util class for Stream definition
*/
public class StreamDefUtil {
protected static final String CONTENT = "content";
protected static final String TYPE = "type";
protected static final String TIMESTAMP = "timestamp";
protected static final String HOST = "host";
protected static final String ACTIVITY_ID = "activity_id";
protected static final String STATUS = "status";
protected static final String MSG_DIRECTION = "message_direction";
protected static final String OP_NAME = "operation_name" ;
protected static final String SERVICE_NAME = "service_name";
protected static final String SERVER_NAME = "server_name";
private static Log log = LogFactory.getLog(StreamDefUtil.class);
public static StreamDefinition getStreamDefinition() throws MalformedStreamDefinitionException {
StreamDefinition streamDefinition = null;
try {
streamDefinition = new StreamDefinition(HL7Constants.HL7_PUBLISHER_STREAM_NAME,
HL7Constants.HL7_PUBLISHER_STREAM_VERSION);
List<Attribute> metaDataAttributeList = getMetaDataDef();
streamDefinition.setMetaData(metaDataAttributeList);
List<Attribute> correlationDataAttributeList = getCorrelationDataDef();
streamDefinition.setCorrelationData(correlationDataAttributeList);
List<Attribute> payLoadData = getPayLoadDataDef();
streamDefinition.setPayloadData(payLoadData);
} catch (MalformedStreamDefinitionException e) {
throw new MalformedStreamDefinitionException("Unable to create HL7 StreamDefinition : " +
e.getMessage(), e);
}
return streamDefinition;
}
private static List<Attribute> getPayLoadDataDef() {
List<Attribute> payLoadList = new ArrayList<Attribute>(7);
payLoadList.add(new Attribute(CONTENT, AttributeType.STRING));
payLoadList.add(new Attribute(TYPE, AttributeType.STRING));
payLoadList.add(new Attribute(TIMESTAMP, AttributeType.LONG));
payLoadList.add(new Attribute(MSG_DIRECTION, AttributeType.STRING));
payLoadList.add(new Attribute(SERVICE_NAME, AttributeType.STRING));
payLoadList.add(new Attribute(OP_NAME, AttributeType.STRING));
payLoadList.add(new Attribute(STATUS, AttributeType.STRING));
return payLoadList;
}
private static List<Attribute> getMetaDataDef() {
List<Attribute> metaDataList = new ArrayList<Attribute>(2);
metaDataList.add(new Attribute(HOST, AttributeType.STRING));
metaDataList.add(new Attribute(SERVER_NAME, AttributeType.STRING));
return metaDataList;
}
private static List<Attribute> getCorrelationDataDef() {
List<Attribute> correlationList = new ArrayList<Attribute>(1);
correlationList.add(new Attribute(ACTIVITY_ID, AttributeType.STRING));
return correlationList;
}
}