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Java library for interacting with the Digipost REST API
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/*
 * Copyright (C) Posten Norge AS
 *
 * 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 no.digipost.api.client.util;

import no.digipost.api.client.representations.AdditionalData;
import no.digipost.api.client.representations.Autocomplete;
import no.digipost.api.client.representations.DocumentEvents;
import no.digipost.api.client.representations.DocumentStatus;
import no.digipost.api.client.representations.EncryptionCertificate;
import no.digipost.api.client.representations.EncryptionKey;
import no.digipost.api.client.representations.EntryPoint;
import no.digipost.api.client.representations.ErrorMessage;
import no.digipost.api.client.representations.Identification;
import no.digipost.api.client.representations.IdentificationResult;
import no.digipost.api.client.representations.IdentificationResultWithEncryptionKey;
import no.digipost.api.client.representations.Message;
import no.digipost.api.client.representations.MessageDelivery;
import no.digipost.api.client.representations.Recipients;
import no.digipost.api.client.representations.accounts.PublicMailboxTag;
import no.digipost.api.client.representations.accounts.UserAccount;
import no.digipost.api.client.representations.accounts.Tag;
import no.digipost.api.client.representations.accounts.UserInformation;
import no.digipost.api.client.representations.archive.Archive;
import no.digipost.api.client.representations.archive.ArchiveDocument;
import no.digipost.api.client.representations.archive.Archives;
import no.digipost.api.client.representations.sender.SenderInformation;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import java.io.InputStream;
import java.io.OutputStream;

import static no.digipost.api.client.internal.ExceptionUtils.exceptionNameAndMessage;

public class JAXBContextUtils {
    public static final JAXBContext jaxbContext = initContext(
            EntryPoint.class, ErrorMessage.class, Identification.class, IdentificationResult.class, Message.class, Recipients.class,
            Autocomplete.class, DocumentEvents.class, DocumentStatus.class, MessageDelivery.class, EncryptionKey.class,
            IdentificationResultWithEncryptionKey.class, SenderInformation.class, UserInformation.class, UserAccount.class,
            AdditionalData.class, EncryptionCertificate.class, Archives.class, Archive.class, ArchiveDocument.class,
            Tag.class, PublicMailboxTag.class
    );

    private static JAXBContext initContext(Class... clazz) {
        try {
            return JAXBContext.newInstance(clazz);
        } catch (JAXBException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }

    public static void marshal(JAXBContext context, Object objectToMarshall, OutputStream outputStream){
        try {
            context.createMarshaller().marshal(objectToMarshall, outputStream);
        } catch (JAXBException e) {
            throw new RuntimeException("Failed when trying to marshal object to outputstream. Cause: " + exceptionNameAndMessage(e), e);
        }
    }

    public static  T unmarshal(JAXBContext context, InputStream inputStream, Class type){
        try {
            return type.cast(context.createUnmarshaller().unmarshal(inputStream));
        } catch (JAXBException e) {
            throw new RuntimeException("Failed when trying to unmarshal inputstream to object. Cause: " + exceptionNameAndMessage(e), e);
        }
    }
}