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.surround;
  
  import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
  import org.eclipse.wst.jsdt.core.JavaScriptModelException;
  import org.eclipse.wst.jsdt.core.dom.BodyDeclaration;
  import org.eclipse.wst.jsdt.core.dom.JavaScriptUnit;
  import org.eclipse.wst.jsdt.core.dom.ITypeBinding;
  import org.eclipse.wst.jsdt.internal.corext.dom.ASTNodes;
  import org.eclipse.wst.jsdt.internal.corext.dom.Selection;
  import org.eclipse.wst.jsdt.internal.corext.refactoring.RefactoringCoreMessages;
  
  public class SurroundWithTryCatchAnalyzer extends SurroundWithAnalyzer {
  
  
  	private ISurroundWithTryCatchQuery fQuery;
  	private ITypeBinding[] fExceptions;
  
  	public SurroundWithTryCatchAnalyzer(IJavaScriptUnit unit, Selection selection, ISurroundWithTryCatchQuery query) throws JavaScriptModelException {
  		super(unit, selection);
  		fQuery= query;
  	}
  	
  	public ITypeBinding[] getExceptions() {
  		return fExceptions;
  	}
  
  	public void endVisit(JavaScriptUnit node) {
  		BodyDeclaration enclosingNode= null;
  		if (!getStatus().hasFatalError() && hasSelectedNodes())
  			enclosingNode= (BodyDeclaration)ASTNodes.getParent(getFirstSelectedNode(), BodyDeclaration.class);
  
  		super.endVisit(node);
  		if (enclosingNode != null && !getStatus().hasFatalError()) {
  			fExceptions= ExceptionAnalyzer.perform(enclosingNode, getSelection());
  			if (fExceptions == null || fExceptions.length == 0) {
  				if (fQuery == null) {
  					invalidSelection(RefactoringCoreMessages.SurroundWithTryCatchAnalyzer_noUncaughtExceptions); 
  				} else if (fQuery.catchRuntimeException()) {
  					fExceptions= new ITypeBinding[] {node.getAST().resolveWellKnownType("java.lang.RuntimeException")}; //$NON-NLS-1$
  				}
  			}
  		}
  	}
  }
  