content: /*******************************************************************************
   * Copyright (c) 2000, 2008 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;
  
  import org.eclipse.core.runtime.Assert;
  import org.eclipse.wst.jsdt.core.dom.IFunctionBinding;
  import org.eclipse.wst.jsdt.core.dom.FunctionDeclaration;
  import org.eclipse.wst.jsdt.core.dom.ReturnStatement;
  import org.eclipse.wst.jsdt.internal.corext.dom.ASTNodes;
  import org.eclipse.wst.jsdt.internal.corext.dom.Bindings;
  
  public class ReturnTypeVariable extends ConstraintVariable{
  	
  	private final IFunctionBinding fMethodBinding;
  
  	public ReturnTypeVariable(ReturnStatement returnStatement) {
  		this(getMethod(returnStatement).resolveBinding());
  		Assert.isNotNull(returnStatement);
  	}
  
  	public ReturnTypeVariable(IFunctionBinding methodBinding) {
  		super(methodBinding.getReturnType());
  		fMethodBinding= methodBinding;
  	}
  	
  	public static FunctionDeclaration getMethod(ReturnStatement returnStatement) {
  		return (FunctionDeclaration)ASTNodes.getParent(returnStatement, FunctionDeclaration.class);
  	}
  
  	/* (non-Javadoc)
  	 * @see java.lang.Object#toString()
  	 */
  	public String toString() {
  		return "[" + Bindings.asString(fMethodBinding) + "]_returnType"; //$NON-NLS-1$ //$NON-NLS-2$
  	}
  	
  	public IFunctionBinding getMethodBinding() {
  		return fMethodBinding;
  	}
  
  }
  