/*

  * 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.commons.classscan.bcel;

 import java.util.Set;

 import org.apache.bcel.classfile.ParameterAnnotationEntry;

 import org.apache.bcel.generic.Type;

 import org.apache.commons.classscan.model.MetaAnnotation;

 import org.apache.commons.classscan.model.MetaType;

 import org.apache.commons.classscan.spi.model.SpiMetaAnnotation;

 import org.apache.commons.classscan.spi.model.SpiMetaClassLoader;

 import org.apache.commons.classscan.spi.model.SpiMetaParameter;

 import org.apache.commons.classscan.util.NameSet;

 import org.slf4j.Logger;

 import org.slf4j.LoggerFactory;

 public class BcelParameter implements SpiMetaParameter {

     private static final Logger logger = LoggerFactory.getLogger(BcelParameter.class);

     private MetaType type;

     private String typeName;

     private final NameSet<? extends SpiMetaAnnotation> annotations;

     public BcelParameter(Type argType, ParameterAnnotationEntry annotationEntry) {

             typeName = argType.getSignature();

         annotations = AnnotationMap.createAnnotations(annotationEntry != null 

                         ?annotationEntry.getAnnotationEntries() :null);

     }

         @Override

         public boolean resolve(SpiMetaClassLoader classLoader) {

         type = classLoader.resolveTypeForDescriptor(typeName);

         if(type==null) {

                 logger.info("cannot resolve "+typeName+" as a parameter type");

                 return false;

         }

         typeName= null;

                 return annotations.resolve(classLoader);

         }

     @Override

     public Set<? extends MetaAnnotation> getAnnotations() {

         return annotations;

     }

     @Override

     public MetaAnnotation getAnnotation(String annotationName) {

         return annotations.getValue(annotationName);

     }

     @Override

     public MetaType getType() {

         return type;

     }

 }