| /******************************************************************************* |
| * Copyright (c) 2010, 2015 Sonatype, Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Stuart McCulloch (Sonatype, Inc.) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.sisu.plexus; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import javax.inject.Inject; |
| |
| import com.google.inject.Binder; |
| import com.google.inject.Injector; |
| import com.google.inject.Module; |
| import com.google.inject.TypeLiteral; |
| import com.google.inject.matcher.AbstractMatcher; |
| import com.google.inject.spi.TypeConverter; |
| import com.google.inject.spi.TypeConverterBinding; |
| |
| public class ConfigurationConverter |
| extends AbstractMatcher<TypeLiteral<?>> |
| implements TypeConverter, Module |
| { |
| private Collection<TypeConverterBinding> otherConverterBindings; |
| |
| @Inject |
| private PlexusBeanConverter beanConverter; |
| |
| private boolean available = true; |
| |
| public void configure( final Binder binder ) |
| { |
| binder.convertToTypes( this, this ); |
| binder.requestInjection( this ); |
| } |
| |
| public boolean matches( final TypeLiteral<?> type ) |
| { |
| for ( final TypeConverterBinding b : otherConverterBindings ) |
| { |
| if ( b.getTypeMatcher().matches( type ) ) |
| { |
| return false; |
| } |
| } |
| return available; |
| } |
| |
| public Object convert( final String value, final TypeLiteral<?> toType ) |
| { |
| available = false; |
| try |
| { |
| return beanConverter.convert( toType, value ); |
| } |
| finally |
| { |
| available = true; |
| } |
| } |
| |
| @Inject |
| void setTypeConverterBindings( final Injector injector ) |
| { |
| otherConverterBindings = new ArrayList<TypeConverterBinding>(); |
| for ( final TypeConverterBinding b : injector.getTypeConverterBindings() ) |
| { |
| if ( false == b.getTypeConverter() instanceof ConfigurationConverter ) |
| { |
| otherConverterBindings.add( b ); |
| } |
| } |
| } |
| } |