/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.any23.writer;

import org.apache.any23.configuration.Settings;
import org.apache.any23.extractor.ExtractionContext;
import org.eclipse.rdf4j.common.lang.FileFormat;
import org.eclipse.rdf4j.model.IRI;
import org.eclipse.rdf4j.model.Resource;
import org.eclipse.rdf4j.model.Value;
import org.eclipse.rdf4j.rio.RDFFormat;

import java.io.OutputStream;

/**
 * Base interface for constructors of {@link TripleHandler} implementations
 * that write to an {@link OutputStream} using a particular {@link FileFormat}.
 * @author Hans Brende (hansbrende@apache.org)
 */
public interface TripleWriterFactory extends BaseWriterFactory<OutputStream> {

    /**
     * @deprecated since 2.3. Use {@link #getTripleFormat()} instead.
     */
    @Override
    @Deprecated
    default RDFFormat getRdfFormat() {
        return getTripleFormat().toRDFFormat();
    }

    /**
     * @return the format used to write to {@link OutputStream}s
     */
    TripleFormat getTripleFormat();

    /**
     * @deprecated since 2.3. Use {@link #getTripleFormat()}.{@link TripleFormat#getMimeType() getMimeType()} instead.
     */
    @Override
    @Deprecated
    default String getMimeType() {
        return getTripleFormat().getMimeType();
    }

    /**
     * @deprecated since 2.3. Use {@link #getTripleWriter(OutputStream, Settings)} instead.
     */
    @Override
    @Deprecated
    default FormatWriter getRdfWriter(OutputStream os) {
        TripleHandler th = getTripleWriter(os, Settings.of());
        return th instanceof FormatWriter ? (FormatWriter)th : new FormatWriter() {
            @Override
            public boolean isAnnotated() {
                return false;
            }
            @Override
            public void setAnnotated(boolean f) {}
            @Override
            public void startDocument(IRI documentIRI) throws TripleHandlerException {
                th.startDocument(documentIRI);
            }
            @Override
            public void openContext(ExtractionContext context) throws TripleHandlerException {
                th.openContext(context);
            }
            @Override
            public void receiveTriple(Resource s, IRI p, Value o, IRI g, ExtractionContext context) throws TripleHandlerException {
                th.receiveTriple(s, p, o, g, context);
            }
            @Override
            public void receiveNamespace(String prefix, String uri, ExtractionContext context) throws TripleHandlerException {
                th.receiveNamespace(prefix, uri, context);
            }
            @Override
            public void closeContext(ExtractionContext context) throws TripleHandlerException {
                th.closeContext(context);
            }
            @Override
            public void endDocument(IRI documentIRI) throws TripleHandlerException {
                th.endDocument(documentIRI);
            }
            @Override
            public void setContentLength(long contentLength) {
                th.setContentLength(contentLength);
            }
            @Override
            public void close() throws TripleHandlerException {
                th.close();
            }
        };
    }


    /**
     *
     * @return the settings supported by writers produced by this factory
     */
    @Override
    Settings getSupportedSettings();


    /**
     * @param out the {@link OutputStream} to write to
     * @param settings the settings with which to configure the writer
     * @return a {@link TripleHandler} which writes to the specified {@link OutputStream}
     * @throws NullPointerException if the output stream or settings is null
     * @throws IllegalArgumentException if the settings are not correctly configured
     */
    @Override
    TripleHandler getTripleWriter(OutputStream out, Settings settings);

}
