001/**
002 * Copyright (C) 2006-2024 Talend Inc. - www.talend.com
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.talend.sdk.component.runtime.manager.service.http.codec;
017
018import java.io.ByteArrayInputStream;
019import java.lang.reflect.Type;
020import java.util.Map;
021
022import javax.xml.bind.JAXBContext;
023import javax.xml.bind.JAXBException;
024import javax.xml.transform.stream.StreamSource;
025
026import org.talend.sdk.component.api.service.http.Decoder;
027
028import lombok.AllArgsConstructor;
029
030@AllArgsConstructor
031public class JAXBDecoder implements Decoder {
032
033    private final Map<Class<?>, JAXBContext> jaxbContexts;
034
035    @Override
036    public Object decode(final byte[] value, final Type expectedType) {
037        try {
038            final Class key = Class.class.cast(expectedType);
039            return jaxbContexts
040                    .get(key)
041                    .createUnmarshaller()
042                    .unmarshal(new StreamSource(new ByteArrayInputStream(value)), key)
043                    .getValue();
044        } catch (final JAXBException e) {
045            throw new IllegalArgumentException(e);
046        }
047
048    }
049}