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

import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.codehaus.plexus.logging.AbstractLogEnabled;

import java.io.Reader;

/**
 * Simple implementation of the Doxia interface:
 * uses a ParserManager to lookup a parser.
 *
 * @author Jason van Zyl
 * @since 1.0
 */
@Component( role = Doxia.class )
public class DefaultDoxia
    extends AbstractLogEnabled
    implements Doxia
{
    @Requirement
    private ParserManager parserManager;

    // ----------------------------------------------------------------------
    // This remains because the sinks are not threadsafe which they probably
    // should be. In some places a constructor is used to initialize a sink
    // which can probably be done away with.
    // ----------------------------------------------------------------------

    /** {@inheritDoc} */
    public void parse( Reader source, String parserId, Sink sink )
        throws ParserNotFoundException, ParseException
    {
        this.parse( source, parserId, sink, null );
    }

    /** {@inheritDoc} */
    @Override
    public void parse( Reader source, String parserId, Sink sink, String reference )
        throws ParserNotFoundException, ParseException
    {
        Parser parser = parserManager.getParser( parserId );

        parser.enableLogging( new PlexusLoggerWrapper( getLogger() ) );

        parser.parse( source, sink, reference );
    }

    /** {@inheritDoc} */
    public Parser getParser( String parserId )
        throws ParserNotFoundException
    {
        return parserManager.getParser( parserId );
    }
}
