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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010-2014 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
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 *
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package org.glassfish.jersey.message.internal;

import java.io.InputStream;

import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.Providers;

import javax.inject.Singleton;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.sax.SAXSource;

import org.glassfish.hk2.api.Factory;

/**
 * Base XML-based message body provider for JAXB {@link XmlRootElement root elements}
 * and {@link XmlType types}.
 *
 * @author Paul Sandoz
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
public abstract class XmlRootElementJaxbProvider extends AbstractRootElementJaxbProvider {

    // Delay construction of factory
    private final Factory spf;

    XmlRootElementJaxbProvider(Factory spf, Providers ps) {
        super(ps);

        this.spf = spf;
    }

    XmlRootElementJaxbProvider(Factory spf, Providers ps, MediaType mt) {
        super(ps, mt);

        this.spf = spf;
    }

    /**
     * Provider for marshalling/un-marshalling JAXB {@link XmlRootElement root element}
     * and {@link XmlType type} instances from/to entities of {@code application/xml}
     * media type.
     */
    @Produces("application/xml")
    @Consumes("application/xml")
    @Singleton
    public static final class App extends XmlRootElementJaxbProvider {

        public App(@Context Factory spf, @Context Providers ps) {
            super(spf, ps, MediaType.APPLICATION_XML_TYPE);
        }
    }

    /**
     * Provider for marshalling/un-marshalling JAXB {@link XmlRootElement root element}
     * and {@link XmlType type} instances from/to entities of {@code text/xml}
     * media type.
     */
    @Produces("text/xml")
    @Consumes("text/xml")
    @Singleton
    public static final class Text extends XmlRootElementJaxbProvider {

        public Text(@Context Factory spf, @Context Providers ps) {
            super(spf, ps, MediaType.TEXT_XML_TYPE);
        }
    }

    /**
     * Provider for marshalling/un-marshalling JAXB {@link XmlRootElement root element}
     * and {@link XmlType type} instances from/to entities of {@code /+xml}
     * media types.
     */
    @Produces("*/*")
    @Consumes("*/*")
    @Singleton
    public static final class General extends XmlRootElementJaxbProvider {

        public General(@Context Factory spf, @Context Providers ps) {
            super(spf, ps);
        }

        @Override
        protected boolean isSupported(MediaType m) {
            return m.getSubtype().endsWith("+xml");
        }
    }

    @Override
    protected Object readFrom(Class