package org.codehaus.plexus.configuration.xml;

/*
 * Copyright 2001-2006 Codehaus Foundation.
 *
 * Licensed 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 java.io.IOException;
import java.io.StringWriter;

import org.codehaus.plexus.configuration.DefaultPlexusConfiguration;
import org.codehaus.plexus.configuration.io.XmlPlexusConfigurationWriter;
import org.codehaus.plexus.util.xml.Xpp3Dom;

/**
 * @version $Id$
 */
public class XmlPlexusConfiguration
    extends DefaultPlexusConfiguration
{
    public XmlPlexusConfiguration()
    {
        super();
    }

    public XmlPlexusConfiguration( String name )
    {
        super( name );
    }
    
    public XmlPlexusConfiguration( String name, String value )
    {
        super( name, value );
    }

    public XmlPlexusConfiguration( Xpp3Dom dom )
    {
        super( dom.getName(), dom.getValue() );

        // attrs
        String[] attributes = dom.getAttributeNames();

        for (String attribute : attributes) {
            setAttribute(attribute, dom.getAttribute(attribute));
        }

        // children
        int childCount = dom.getChildCount();
        for ( int i = 0; i < childCount; i++ )
        {
            addChild( new XmlPlexusConfiguration( dom.getChild( i ) ) );
        }
    }

    // ----------------------------------------------------------------------
    //
    // ----------------------------------------------------------------------

    public String toString()
    {
        StringWriter sw = new StringWriter();

        XmlPlexusConfigurationWriter xw = new XmlPlexusConfigurationWriter();

        try
        {
            xw.write( sw, this );
        }
        catch ( IOException e )
        {
            // will not happen with StringWriter
        }

        return sw.toString();
    }
}
