package org.apache.maven.doxia;

/*
 * 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.
 */

import org.apache.maven.doxia.parser.ParseException;
import org.apache.maven.doxia.parser.Parser;
import org.apache.maven.doxia.parser.manager.ParserNotFoundException;
import org.apache.maven.doxia.sink.Sink;

import java.io.Reader;

/**
 * Basic interface of the Doxia framework.
 *
 * @author Jason van Zyl
 * @version $Id$
 * @since 1.0
 */
public interface Doxia
{
    /** The Plexus lookup role. */
    String ROLE = Doxia.class.getName();

    /**
     * Parses the given source model using a parser with given id,
     * and emits Doxia events into the given sink.
     *
     * @param source not null reader that provides the source document.
     * You could use <code>newReader</code> methods from {@link org.codehaus.plexus.util.ReaderFactory}.
     * @param parserId Identifier for the parser to use.
     * @param sink A sink that consumes the Doxia events.
     * @throws org.apache.maven.doxia.parser.manager.ParserNotFoundException
     * if no parser could be found for the given id.
     * @throws org.apache.maven.doxia.parser.ParseException if the model could not be parsed.
     */
    void parse( Reader source, String parserId, Sink sink )
        throws ParserNotFoundException, ParseException;

    /**
     * Return a parser for the given <code>parserId</code>.
     *
     * @param parserId Identifier for the parser to use.
     * @return the parser defining by parserId.
     * @throws org.apache.maven.doxia.parser.manager.ParserNotFoundException
     * if no parser could be found for the given id.
     */
    Parser getParser( String parserId )
        throws ParserNotFoundException;
}