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A bundle project producing JAX-RS RI bundles. The primary artifact is an "all-in-one" OSGi-fied JAX-RS RI bundle (jaxrs-ri.jar). Attached to that are two compressed JAX-RS RI archives. The first archive (jaxrs-ri.zip) consists of binary RI bits and contains the API jar (under "api" directory), RI libraries (under "lib" directory) as well as all external RI dependencies (under "ext" directory). The secondary archive (jaxrs-ri-src.zip) contains buildable JAX-RS RI source bundle and contains the API jar (under "api" directory), RI sources (under "src" directory) as well as all external RI dependencies (under "ext" directory). The second archive also contains "build.xml" ANT script that builds the RI sources. To build the JAX-RS RI simply unzip the archive, cd to the created jaxrs-ri directory and invoke "ant" from the command line.

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/*
 * Copyright (c) 2010, 2023 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.jersey.message.internal;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import jakarta.inject.Inject;
import jakarta.ws.rs.BadRequestException;
import jakarta.ws.rs.Consumes;
import jakarta.ws.rs.InternalServerErrorException;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.core.Context;
import jakarta.ws.rs.core.MediaType;
import jakarta.ws.rs.core.MultivaluedMap;
import jakarta.ws.rs.ext.MessageBodyReader;
import jakarta.ws.rs.ext.MessageBodyWriter;

import jakarta.inject.Provider;
import jakarta.inject.Singleton;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;

/**
 * Collection of {@link Source XML source} providers.
 *
 * @author Paul Sandoz
 * @author Marek Potociar
 */
@Singleton
public final class SourceProvider {

    /**
     * Provider for un-marshalling {@link StreamSource} instances.
     */
    @Produces({"application/xml", "text/xml", "*/*"})
    @Consumes({"application/xml", "text/xml", "*/*"})
    @Singleton
    public static final class StreamSourceReader implements MessageBodyReader {

        @Override
        public boolean isReadable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
            return StreamSource.class == t || Source.class == t;
        }

        @Override
        public StreamSource readFrom(
                Class t,
                Type gt,
                Annotation[] as,
                MediaType mediaType,
                MultivaluedMap httpHeaders,
                InputStream entityStream) throws IOException {
            return new StreamSource(entityStream);
        }
    }

    /**
     * Provider for un-marshalling {@link SAXSource} instances.
     */
    @Produces({"application/xml", "text/xml", "*/*"})
    @Consumes({"application/xml", "text/xml", "*/*"})
    @Singleton
    public static final class SaxSourceReader implements MessageBodyReader {
        // Delay construction of factory

        private final Provider spf;

        @Inject
        public SaxSourceReader(@Context Provider spf) {
            this.spf = spf;
        }

        @Override
        public boolean isReadable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
            return SAXSource.class == t;
        }

        @Override
        public SAXSource readFrom(
                Class t,
                Type gt,
                Annotation[] as,
                MediaType mediaType,
                MultivaluedMap httpHeaders,
                InputStream entityStream) throws IOException {
            try {
                return new SAXSource(spf.get().newSAXParser().getXMLReader(),
                        new InputSource(entityStream));
            } catch (SAXParseException ex) {
                throw new BadRequestException(ex);
            } catch (SAXException ex) {
                throw new InternalServerErrorException(ex);
            } catch (ParserConfigurationException ex) {
                throw new InternalServerErrorException(ex);
            }
        }
    }

    /**
     * Provider for marshalling/un-marshalling {@link DOMSource} instances.
     */
    @Produces({"application/xml", "text/xml", "*/*"})
    @Consumes({"application/xml", "text/xml", "*/*"})
    @Singleton
    public static final class DomSourceReader implements MessageBodyReader {

        private final Provider dbf;

        @Inject
        public DomSourceReader(@Context Provider dbf) {
            this.dbf = dbf;
        }

        @Override
        public boolean isReadable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
            return DOMSource.class == t;
        }

        @Override
        public DOMSource readFrom(
                Class t,
                Type gt,
                Annotation[] as,
                MediaType mediaType,
                MultivaluedMap httpHeaders,
                InputStream entityStream) throws IOException {
            try {
                Document d = dbf.get().newDocumentBuilder().parse(entityStream);
                return new DOMSource(d);
            } catch (SAXParseException ex) {
                throw new BadRequestException(ex);
            } catch (SAXException ex) {
                throw new InternalServerErrorException(ex);
            } catch (ParserConfigurationException ex) {
                throw new InternalServerErrorException(ex);
            }
        }
    }

    /**
     * Provider for marshaling {@link Source} instances.
     */
    @Produces({"application/xml", "text/xml", "*/*"})
    @Consumes({"application/xml", "text/xml", "*/*"})
    @Singleton
    public static final class SourceWriter implements MessageBodyWriter {

        private final Provider saxParserFactory;
        private final Provider transformerFactory;

        @Inject
        public SourceWriter(@Context Provider spf,
                            @Context Provider tf) {
            this.saxParserFactory = spf;
            this.transformerFactory = tf;
        }

        @Override
        public boolean isWriteable(Class t, Type gt, Annotation[] as, MediaType mediaType) {
            return Source.class.isAssignableFrom(t);
        }

        @Override
        public long getSize(Source o, Class type, Type genericType, Annotation[] annotations, MediaType mediaType) {
            return -1;
        }

        @Override
        public void writeTo(Source source, Class t, Type gt, Annotation[] as, MediaType mediaType,
                MultivaluedMap httpHeaders, OutputStream entityStream) throws IOException {

            try {
                if (source instanceof StreamSource) {
                    StreamSource stream = (StreamSource) source;
                    InputSource inputStream = new InputSource(stream.getInputStream());
                    inputStream.setCharacterStream(inputStream.getCharacterStream());
                    inputStream.setPublicId(stream.getPublicId());
                    inputStream.setSystemId(source.getSystemId());
                    source = new SAXSource(saxParserFactory.get().newSAXParser().getXMLReader(), inputStream);
                }

                StreamResult sr = new StreamResult(entityStream);
                transformerFactory.get().newTransformer().transform(source, sr);

            } catch (SAXException ex) {
                throw new InternalServerErrorException(ex);
            } catch (ParserConfigurationException ex) {
                throw new InternalServerErrorException(ex);
            } catch (TransformerException ex) {
                throw new InternalServerErrorException(ex);
            }
        }
    }
}




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