/*
    * 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.Field;
  import org.apache.commons.classscan.model.MetaAnnotation;
  import org.apache.commons.classscan.model.MetaType;
  import org.apache.commons.classscan.spi.model.SpiMetaClassLoader;
  import org.apache.commons.classscan.spi.model.SpiMetaField;
  
  public class BcelField implements SpiMetaField {
  
      private final String fieldName;
      private final boolean isStatic;
      private String fieldSignature;
      private MetaType metaType;
      private final AnnotationMap annotations;
  
      public BcelField(Field field) {
          fieldName = field.getName();
          isStatic = field.isStatic();
          fieldSignature = field.getSignature();
          annotations = AnnotationMap.createAnnotations(field.getAnnotationEntries());
      }
  
  	@Override
  	public boolean resolve(SpiMetaClassLoader classLoader) {
  		metaType = classLoader.resolveTypeForDescriptor(fieldSignature);
  		if(metaType == null) {
  			return false;
  		}
  		fieldSignature = null;
  		
  		return annotations.resolve(classLoader);
  	}
  
      @Override
      public String getName() {
          return fieldName;
      }
  
      @Override
      public Set<? extends MetaAnnotation> getAnnotations() {
          return annotations;
      }
  
      @Override
      public MetaAnnotation getAnnotation(String annotationName) {
          return annotations.getValue(annotationName);
      }
  
      @Override
      public boolean isStatic() {
          return isStatic;
      }
  
      @Override
      public MetaType getType() {
          return metaType;
      }
  }