// Copyright 2013 The Apache Software 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.
package org.apache.tapestry5.cdi.extension;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ProcessAnnotatedType;
import org.apache.tapestry5.internal.InternalConstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* An spi extension to exclude tapestry resources from CDI management
* Veto each Tapestry pages, components and mixins to avoid CDI try to manage them
* Without this extension, CDI will complain about Tapestry services not well loaded in injection points from the webapp's pages,components and mixins
*/
public class TapestryExtension implements Extension {
private static Logger logger = LoggerFactory.getLogger(TapestryExtension.class);
/**
* Exclude Tapestry resources from CDI management
* Veto each Tapestry pages, components and mixins
* @param pat a ProcessAnnotatedType
*/
protected <T> void excludeTapestryResources(@Observes final ProcessAnnotatedType<T> pat){
String annotatedTypeClassName = pat.getAnnotatedType().getJavaClass().getName();
logger.debug("Annotated type : "+annotatedTypeClassName);
for (String subpackage : InternalConstants.SUBPACKAGES){
if(annotatedTypeClassName.contains("."+subpackage+".")){
logger.debug("Tapestry page/component/mixins found! - will be exclude from CDI management : "+annotatedTypeClassName);
pat.veto();
}
}
}
}