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/*
 * Copyright 2016-2018 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * 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.n52.svalbard.decode.stream.xml;

import java.io.ByteArrayInputStream;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;

import javax.inject.Inject;
import javax.xml.namespace.QName;

import org.n52.iceland.coding.decode.OwsDecodingException;
import org.n52.janmayen.http.MediaTypes;
import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
import org.n52.shetland.ogc.ows.service.OwsOperationKey;
import org.n52.svalbard.decode.Decoder;
import org.n52.svalbard.decode.DecoderKey;
import org.n52.svalbard.decode.OperationDecoderKey;
import org.n52.svalbard.decode.XmlStringOperationDecoderKey;
import org.n52.svalbard.decode.exception.DecodingException;
import org.n52.svalbard.decode.stream.MissingStreamReaderException;
import org.n52.svalbard.decode.stream.StreamReader;
import org.n52.svalbard.decode.stream.StreamReaderRepository;

/**
 * TODO JavaDoc
 *
 * @author Christian Autermann
 */
public class XmlStreamingOperationDecoder implements Decoder {
    private final QName name;

    private final OwsOperationKey operation;

    private final StreamReaderRepository streamReaderRepository;

    @Inject
    public XmlStreamingOperationDecoder(OwsOperationKey operation, QName name,
            StreamReaderRepository streamReaderRepository) {
        this.name = Objects.requireNonNull(name);
        this.operation = Objects.requireNonNull(operation);
        this.streamReaderRepository = Objects.requireNonNull(streamReaderRepository);
    }

    @Override
    public Object decode(String string) throws DecodingException {
        XmlStreamReaderKey key = new XmlStreamReaderKey(this.name);
        StreamReader