/*
    *  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 javassist.bytecode.ClassFile;
  
  import org.apache.commons.lang3.builder.EqualsBuilder;
  import org.apache.commons.lang3.builder.HashCodeBuilder;
  import org.jadira.scanner.classpath.ClasspathResolver;
  import org.jadira.scanner.core.exception.ClasspathAccessException;
  
  public class JPrimitiveClass extends JClass {
  
      protected JPrimitiveClass(String name, ClasspathResolver resolver) throws ClasspathAccessException {
      	super(findClassFile(name, resolver), resolver);
      }
  
      protected JPrimitiveClass(Class<?> clazz, ClasspathResolver resolver) throws ClasspathAccessException {
      	super(findClassFile(clazz.getName(), resolver), resolver);
      }
  
      protected JPrimitiveClass(ClassFile classFile, ClasspathResolver resolver) {
          super(classFile, resolver);
      }
  
      public static JPrimitiveClass getJClass(String name, ClasspathResolver resolver) throws ClasspathAccessException {
          return new JPrimitiveClass(name, resolver);
      }
  
      public static JPrimitiveClass getJClass(ClassFile classFile, ClasspathResolver resolver) {
          return new JPrimitiveClass(classFile, resolver);
      }
  
      public static JPrimitiveClass getJClass(Class<?> clazz, ClasspathResolver resolver) throws ClasspathAccessException {
          return new JPrimitiveClass(clazz, resolver);
      }
  
  	protected static final ClassFile findClassFile(final String name, ClasspathResolver resolver) throws ClasspathAccessException {
  
  		if ("boolean".equals(name)) {
  			return JClass.findClassFile("java.lang.Boolean", resolver);
  		} else if ("byte".equals(name)) {
  			return JClass.findClassFile("java.lang.Byte", resolver);
  		} else if ("char".equals(name)) {
  			return JClass.findClassFile("java.lang.Character", resolver);
  		} else if ("short".equals(name)) {
  			return JClass.findClassFile("java.lang.Short", resolver);
  		} else if ("int".equals(name)) {
  			return JClass.findClassFile("java.lang.Integer", resolver);
  		} else if ("long".equals(name)) {
  			return JClass.findClassFile("java.lang.Long", resolver);
  		} else if ("float".equals(name)) {
  			return JClass.findClassFile("java.lang.Float", resolver);
  		} else if ("double".equals(name)) {
  			return JClass.findClassFile("java.lang.Double", resolver);
  		} else {
  			throw new ClasspathAccessException("Not a valid primitive: " + name);
  		}
  	}
  	
  	@Override
  	public boolean isPrimitive() {
  		return true;
  	}
  	
  	@Override
  	public boolean equals(Object obj) {
  		if (obj == null) {
  			return false;
  		}
  		if (obj == this) {
  			return true;
  		}
  		if (obj.getClass() != getClass()) {
  			return false;
  		}
  		// JPrimitiveClass rhs = (JPrimitiveClass) obj;
  		return new EqualsBuilder()
  			 	.appendSuper(super.equals(obj))
  				.isEquals();
  	}
  
  	@Override
  	public int hashCode() {
  		return new HashCodeBuilder(11, 47).append(super.hashCode())
  				.toHashCode();
 	}
 }