package org.codehaus.plexus.component.configurator.converters.lookup;
/*
* The MIT License
*
* Copyright (c) 2004, The Codehaus
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import org.codehaus.plexus.component.configurator.ComponentConfigurationException;
import org.codehaus.plexus.component.configurator.converters.ConfigurationConverter;
import org.codehaus.plexus.component.configurator.converters.basic.BooleanConverter;
import org.codehaus.plexus.component.configurator.converters.basic.ByteConverter;
import org.codehaus.plexus.component.configurator.converters.basic.CharConverter;
import org.codehaus.plexus.component.configurator.converters.basic.DateConverter;
import org.codehaus.plexus.component.configurator.converters.basic.DoubleConverter;
import org.codehaus.plexus.component.configurator.converters.basic.EnumConverter;
import org.codehaus.plexus.component.configurator.converters.basic.FileConverter;
import org.codehaus.plexus.component.configurator.converters.basic.FloatConverter;
import org.codehaus.plexus.component.configurator.converters.basic.IntConverter;
import org.codehaus.plexus.component.configurator.converters.basic.LongConverter;
import org.codehaus.plexus.component.configurator.converters.basic.ShortConverter;
import org.codehaus.plexus.component.configurator.converters.basic.StringBufferConverter;
import org.codehaus.plexus.component.configurator.converters.basic.StringConverter;
import org.codehaus.plexus.component.configurator.converters.basic.UriConverter;
import org.codehaus.plexus.component.configurator.converters.basic.UrlConverter;
import org.codehaus.plexus.component.configurator.converters.composite.ArrayConverter;
import org.codehaus.plexus.component.configurator.converters.composite.CollectionConverter;
import org.codehaus.plexus.component.configurator.converters.composite.MapConverter;
import org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter;
import org.codehaus.plexus.component.configurator.converters.composite.PlexusConfigurationConverter;
import org.codehaus.plexus.component.configurator.converters.composite.PropertiesConverter;
import java.util.List;
import java.util.Map;
import java.util.ArrayList;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
public class DefaultConverterLookup
implements ConverterLookup
{
private final List<ConfigurationConverter> converters = new ArrayList<ConfigurationConverter>();
private final List<ConfigurationConverter> customConverters = new CopyOnWriteArrayList<ConfigurationConverter>();
private final Map<Class<?>, ConfigurationConverter> converterMap = new ConcurrentHashMap<Class<?>, ConfigurationConverter>();
public DefaultConverterLookup()
{
registerDefaultBasicConverters();
registerDefaultCompositeConverters();
}
public synchronized void registerConverter( ConfigurationConverter converter )
{
customConverters.add( converter );
}
protected void registerDefaultConverter( ConfigurationConverter converter )
{
converters.add( converter );
}
public ConfigurationConverter lookupConverterForType( Class<?> type )
throws ComponentConfigurationException
{
ConfigurationConverter retValue = converterMap.get( type );
if ( retValue == null )
{
if ( customConverters != null )
{
retValue = findConverterForType( customConverters, type );
}
if ( retValue == null )
{
retValue = findConverterForType( converters, type );
}
if ( retValue == null )
{
// this is highly irregular
throw new ComponentConfigurationException( "Configuration converter lookup failed for type: " + type );
}
converterMap.put( type, retValue );
}
return retValue;
}
private ConfigurationConverter findConverterForType( List<ConfigurationConverter> converters, Class<?> type )
{
for ( ConfigurationConverter converter : converters )
{
if ( converter.canConvert( type ) )
{
return converter;
}
}
return null;
}
private void registerDefaultBasicConverters()
{
registerDefaultConverter( new BooleanConverter() );
registerDefaultConverter( new ByteConverter() );
registerDefaultConverter( new CharConverter() );
registerDefaultConverter( new DoubleConverter() );
registerDefaultConverter( new FloatConverter() );
registerDefaultConverter( new IntConverter() );
registerDefaultConverter( new LongConverter() );
registerDefaultConverter( new ShortConverter() );
registerDefaultConverter( new StringBufferConverter() );
registerDefaultConverter( new StringConverter() );
registerDefaultConverter( new DateConverter() );
registerDefaultConverter( new FileConverter() );
registerDefaultConverter( new UrlConverter() );
registerDefaultConverter( new UriConverter() );
registerDefaultConverter( new EnumConverter() );
}
private void registerDefaultCompositeConverters()
{
registerDefaultConverter( new MapConverter() );
registerDefaultConverter( new ArrayConverter() );
registerDefaultConverter( new CollectionConverter() );
registerDefaultConverter( new PropertiesConverter() );
registerDefaultConverter( new PlexusConfigurationConverter() );
// this converter should be always registred as the last one
registerDefaultConverter( new ObjectWithFieldsConverter() );
}
}