org.dataone.proto.trove.mn.rest.exceptions.DataOneExceptionMarshaller.java Source code

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Here is the source code for org.dataone.proto.trove.mn.rest.exceptions.DataOneExceptionMarshaller.java

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/*
 * This work was created by participants in the DataONE project, and is
 * jointly copyrighted by participating institutions in DataONE. For
 * more information on DataONE, see our web site at http://dataone.org.
 * 
 * Copyright 2014
 * 
 * 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.dataone.proto.trove.mn.rest.exceptions;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.xml.transform.Result;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamSource;
import org.dataone.service.exceptions.AuthenticationTimeout;
import org.dataone.service.exceptions.BaseException;
import org.dataone.service.exceptions.IdentifierNotUnique;
import org.dataone.service.exceptions.InsufficientResources;
import org.dataone.service.exceptions.InvalidCredentials;
import org.dataone.service.exceptions.InvalidRequest;
import org.dataone.service.exceptions.InvalidSystemMetadata;
import org.dataone.service.exceptions.InvalidToken;
import org.dataone.service.exceptions.NotAuthorized;
import org.dataone.service.exceptions.NotFound;
import org.dataone.service.exceptions.NotImplemented;
import org.dataone.service.exceptions.ServiceFailure;
import org.dataone.service.exceptions.SynchronizationFailed;
import org.dataone.service.exceptions.UnsupportedMetadataType;
import org.dataone.service.exceptions.UnsupportedType;
import org.springframework.oxm.Marshaller;
import org.springframework.oxm.MarshallingFailureException;
import org.springframework.oxm.XmlMappingException;

/**
 *
 * @author waltz
 */
public class DataOneExceptionMarshaller implements Marshaller {

    static final private List<String> validClasses = new ArrayList<String>();

    ;

    static {

        validClasses.add(AuthenticationTimeout.class.getName());
        validClasses.add(BaseException.class.getName());
        validClasses.add(IdentifierNotUnique.class.getName());
        validClasses.add(InsufficientResources.class.getName());
        validClasses.add(InvalidCredentials.class.getName());
        validClasses.add(InvalidRequest.class.getName());
        validClasses.add(InvalidSystemMetadata.class.getName());
        validClasses.add(InvalidToken.class.getName());
        validClasses.add(NotAuthorized.class.getName());
        validClasses.add(NotFound.class.getName());
        validClasses.add(NotImplemented.class.getName());
        validClasses.add(ServiceFailure.class.getName());
        validClasses.add(SynchronizationFailed.class.getName());
        validClasses.add(UnsupportedMetadataType.class.getName());
        validClasses.add(UnsupportedType.class.getName());

    }
    private static TransformerFactory transformerFactory = TransformerFactory.newInstance();

    @Override
    public boolean supports(Class<?> type) {
        String className = type.getName();
        for (String validClass : validClasses) {
            if (className.equals(validClass)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public void marshal(Object o, Result result) throws IOException, XmlMappingException {
        BaseException baseException = (BaseException) o;

        ByteArrayInputStream is = new ByteArrayInputStream(
                baseException.serialize(BaseException.FMT_XML).getBytes());

        try {
            Transformer transformer = transformerFactory.newTransformer();
            transformer.transform(new StreamSource(is), result);
        } catch (TransformerException ex) {
            throw new MarshallingFailureException("DataOneExceptionMarshaller: " + ex.getMessage());
        }
    }

}