org.opencds.service.evaluate.UnmarshalVMRSchemaPayload2VMR.java Source code

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Here is the source code for org.opencds.service.evaluate.UnmarshalVMRSchemaPayload2VMR.java

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/**
 * Copyright 2011, 2012 OpenCDS.org
 *   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.opencds.service.evaluate;

import java.util.Date;

import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.transform.stream.StreamSource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.omg.dss.DSSRuntimeExceptionFault;
import org.omg.dss.EvaluationExceptionFault;
import org.omg.dss.InvalidDriDataFormatExceptionFault;
import org.omg.dss.InvalidTimeZoneOffsetExceptionFault;
import org.omg.dss.RequiredDataNotProvidedExceptionFault;
import org.omg.dss.UnrecognizedLanguageExceptionFault;
import org.omg.dss.UnrecognizedScopedEntityExceptionFault;
import org.omg.dss.UnsupportedLanguageExceptionFault;
import org.opencds.common.interfaces.IPayloadInboundProcessor;
import org.opencds.common.structures.TimingData;
import org.opencds.common.utilities.FileUtility;
import org.opencds.knowledgeRepository.SimpleKnowledgeRepository;

/**
 * @author David Shields
 *
 */
public class UnmarshalVMRSchemaPayload2VMR implements IPayloadInboundProcessor, Cloneable {

    /* (non-Javadoc)
     * @see org.opencds.drools.mappings.in.PayloadUnmarshaller#mappingInbound(java.lang.String, java.util.Date, java.util.Collection)
     */

    private static Log log = LogFactory.getLog(UnmarshalVMRSchemaPayload2VMR.class);
    private static UnmarshalVMRSchemaPayload2VMR instance; //singleton instance
    private static FileUtility fileU = FileUtility.getInstance();

    public UnmarshalVMRSchemaPayload2VMR() throws DSSRuntimeExceptionFault {
    }

    public static synchronized UnmarshalVMRSchemaPayload2VMR getInstance() throws DSSRuntimeExceptionFault {
        if (instance == null) {
            instance = new UnmarshalVMRSchemaPayload2VMR();
        }
        return instance;
    }

    @Override
    public synchronized JAXBElement<org.opencds.vmr.v1_0.schema.CDSInput> mappingInbound(String payloadString,
            Date evalTime, TimingData timingData) throws InvalidDriDataFormatExceptionFault,
            UnrecognizedLanguageExceptionFault, RequiredDataNotProvidedExceptionFault,
            UnsupportedLanguageExceptionFault, UnrecognizedScopedEntityExceptionFault, EvaluationExceptionFault,
            InvalidTimeZoneOffsetExceptionFault, DSSRuntimeExceptionFault {

        // this begins the guts for building fact lists for input data based on one particular fact model (opencds-vmr-1_0)         
        log.debug("starting UnmarshalVMRSchemaPayload2VMR");
        JAXBElement<org.opencds.vmr.v1_0.schema.CDSInput> cdsInput = null;
        StreamSource payloadStream = new StreamSource(fileU.getInputStreamFromString(payloadString));

        try {
            Unmarshaller unmarshaller = SimpleKnowledgeRepository
                    .getRequiredUnmarshallerInstanceForUnmarshallerClassCache("org.opencds.vmr^VMR^1.0");
            cdsInput = unmarshaller.unmarshal(payloadStream, org.opencds.vmr.v1_0.schema.CDSInput.class);

        } catch (JAXBException e) {
            String jaxBError = e.getLinkedException().fillInStackTrace().getMessage();
            e.printStackTrace();
            throw new InvalidDriDataFormatExceptionFault(jaxBError
                    + ", therefore unable to unmarshal input Semantic Payload xml string: " + payloadString);
        }

        log.debug("finished UnmarshalVMRSchemaPayload2VMR");

        return cdsInput;
    }

}