/*
    *  Copyright 2012 Chris Pheby
    *
    *  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.jadira.scanner.classpath.types;
  
  import java.util.Set;
  
  import org.apache.commons.lang3.builder.EqualsBuilder;
  import org.apache.commons.lang3.builder.HashCodeBuilder;
  import org.apache.commons.lang3.builder.ToStringBuilder;
  import org.apache.commons.lang3.builder.ToStringStyle;
  import org.jadira.scanner.classpath.ClasspathResolver;
  import org.jadira.scanner.core.exception.ClasspathAccessException;
  
  public abstract class JVariable extends JElement {
  
      protected JVariable(String name, ClasspathResolver resolver) {
          super(name, resolver);
      }
  
      public abstract JType getEnclosingType() throws ClasspathAccessException;
  
      public abstract JType getType() throws ClasspathAccessException;
  
      @Override
      public abstract Set<JAnnotation<?>> getAnnotations() throws ClasspathAccessException;
  
      @Override
      public <A extends java.lang.annotation.Annotation> JAnnotation<A> getAnnotation(Class<A> annotation) throws ClasspathAccessException {
  
          Set<JAnnotation<?>> inspAnnotations = getAnnotations();
          for (JAnnotation<?> next : inspAnnotations) {
              if (next.getName().equals(annotation.getName())
                      && (next.getActualAnnotation().getClass().equals(annotation.getClass()))) {
                  @SuppressWarnings("unchecked") JAnnotation<A> retVal = (JAnnotation<A>)next;
                  return retVal;
              }
          }
          return null;
      }
      
      @Override
      public String toString() {
      	
      	ToStringBuilder builder = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);
      	builder.append("name", this.getName());
      	builder.append("type", this.getType());
      	builder.append("enclosingType", this.getEnclosingType());
      	
      	return builder.toString();
      }
      
      @Override
  	public boolean equals(Object obj) {
  		if (obj == null) {
  			return false;
  		}
  		if (obj == this) {
  			return true;
  		}
  		if (obj.getClass() != getClass()) {
  			return false;
  		}
  		// JVariable rhs = (JVariable) obj;
  		return new EqualsBuilder()
  			 	.appendSuper(super.equals(obj))
  				.isEquals();
  	}
  
      @Override
  	public int hashCode() {
  		return new HashCodeBuilder(11, 47).append(super.hashCode())
  				.toHashCode();
  	}
  }