content: /*******************************************************************************
   * Copyright (c) 2000, 2007 IBM Corporation and others.
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *     IBM Corporation - initial API and implementation
   *******************************************************************************/
  package org.eclipse.wst.jsdt.internal.corext.refactoring.typeconstraints.types;
  
  import org.eclipse.wst.jsdt.core.BindingKey;
  
  
  public final class StandardType extends HierarchyType {
  	
  	private static final String OBJECT_KEY= BindingKey.createTypeBindingKey("java.lang.Object");   //$NON-NLS-1$
  	private static final String CLONEABLE_KEY= BindingKey.createTypeBindingKey("java.lang.Cloneable"); //$NON-NLS-1$
  	private static final String SERIALIZABLE_KEY= BindingKey.createTypeBindingKey("java.io.Serializable"); //$NON-NLS-1$
  
  	protected StandardType(TypeEnvironment environment) {
  		super(environment);
  	}
  	
  	public int getKind() {
  		return STANDARD_TYPE;
  	}
  	
  	public boolean isJavaLangObject() {
  		return OBJECT_KEY.equals(getBindingKey());
  	}
  	
  	public boolean isJavaLangCloneable() {
  		return CLONEABLE_KEY.equals(getBindingKey());
  	}
  	
  	public boolean isJavaIoSerializable() {
  		return SERIALIZABLE_KEY.equals(getBindingKey());
  	}
  	
  	public boolean doEquals(TType type) {
  		return getJavaElementType().equals(((StandardType)type).getJavaElementType());
  	}
  	
  	public int hashCode() {
  		return getJavaElementType().hashCode();
  	}
  	
  	protected boolean doCanAssignTo(TType lhs) {
  		switch (lhs.getKind()) {
  			case NULL_TYPE: return false;
  			case VOID_TYPE: return false;
  			case PRIMITIVE_TYPE: return canAssignToPrimitive((PrimitiveType)lhs);
  			
  			case ARRAY_TYPE: return false;
  			
  			case STANDARD_TYPE: return canAssignToStandardType((StandardType)lhs); 
  			case GENERIC_TYPE: return false;
  			case PARAMETERIZED_TYPE: return isSubType((HierarchyType)lhs);
  			case RAW_TYPE: return isSubType((HierarchyType)lhs);
  			
  			case UNBOUND_WILDCARD_TYPE:
  			case SUPER_WILDCARD_TYPE: 
  			case EXTENDS_WILDCARD_TYPE: 
  				return ((WildcardType)lhs).checkAssignmentBound(this);
  			
  			case TYPE_VARIABLE: return false;
  				
  			case CAPTURE_TYPE:
  				return ((CaptureType)lhs).checkLowerBound(this);
  		}
  		return false;
  	}
  
  	private boolean canAssignToPrimitive(PrimitiveType type) {
  		PrimitiveType source= getEnvironment().createUnBoxed(this);
  		return source != null && source.canAssignTo(type);
  	}
  
  	public String getName() {
  		return getJavaElementType().getElementName();
  	}
  	
  	protected String getPlainPrettySignature() {
  		return getJavaElementType().getFullyQualifiedName('.');
  	}
  }
  