| /******************************************************************************* |
| * Copyright (c) 2005, 2009 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.fix; |
| |
| import java.util.ArrayList; |
| import java.util.Hashtable; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.wst.jsdt.core.dom.ForStatement; |
| import org.eclipse.wst.jsdt.core.dom.JavaScriptUnit; |
| import org.eclipse.wst.jsdt.internal.corext.dom.GenericVisitor; |
| import org.eclipse.wst.jsdt.internal.corext.util.JavaModelUtil; |
| |
| public class ConvertLoopFix extends LinkedFix { |
| |
| private final static class ControlStatementFinder extends GenericVisitor { |
| |
| //private final List/*<IFixRewriteOperation>*/fResult; |
| private final Hashtable fUsedNames; |
| private final boolean fFindForLoopsToConvert; |
| private final boolean fConvertIterableForLoops; |
| //private final boolean fMakeFinal; |
| |
| public ControlStatementFinder(boolean findForLoopsToConvert, boolean convertIterableForLoops, boolean makeFinal, List resultingCollection) { |
| fFindForLoopsToConvert= findForLoopsToConvert; |
| fConvertIterableForLoops= convertIterableForLoops; |
| //fMakeFinal= makeFinal; |
| //fResult= resultingCollection; |
| fUsedNames= new Hashtable(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.internal.corext.dom.GenericVisitor#visit(org.eclipse.wst.jsdt.core.dom.ForStatement) |
| */ |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.internal.corext.dom.GenericVisitor#endVisit(org.eclipse.wst.jsdt.core.dom.ForStatement) |
| */ |
| public void endVisit(ForStatement node) { |
| if (fFindForLoopsToConvert || fConvertIterableForLoops) { |
| fUsedNames.remove(node); |
| } |
| super.endVisit(node); |
| } |
| |
| } |
| |
| public static IFix createCleanUp(JavaScriptUnit compilationUnit, boolean convertForLoops, boolean convertIterableForLoops, boolean makeFinal) { |
| if (!JavaModelUtil.is50OrHigher(compilationUnit.getJavaElement().getJavaScriptProject())) |
| return null; |
| |
| if (!convertForLoops && !convertIterableForLoops) |
| return null; |
| |
| List operations= new ArrayList(); |
| ControlStatementFinder finder= new ControlStatementFinder(convertForLoops, convertIterableForLoops, makeFinal, operations); |
| compilationUnit.accept(finder); |
| |
| if (operations.isEmpty()) |
| return null; |
| |
| IFixRewriteOperation[] ops= (IFixRewriteOperation[])operations.toArray(new IFixRewriteOperation[operations.size()]); |
| return new ConvertLoopFix(FixMessages.ControlStatementsFix_change_name, compilationUnit, ops); |
| } |
| |
| |
| public static IFix createConvertIterableLoopToEnhancedFix(JavaScriptUnit compilationUnit, ForStatement loop) { |
| ConvertIterableLoopOperation loopConverter= new ConvertIterableLoopOperation(loop); |
| IStatus status= loopConverter.satisfiesPreconditions(); |
| if (status.getSeverity() == IStatus.ERROR) |
| return null; |
| |
| ConvertLoopFix result= new ConvertLoopFix(FixMessages.Java50Fix_ConvertToEnhancedForLoop_description, compilationUnit, new ILinkedFixRewriteOperation[] {loopConverter}); |
| result.setStatus(status); |
| return result; |
| } |
| |
| protected ConvertLoopFix(String name, JavaScriptUnit compilationUnit, IFixRewriteOperation[] fixRewriteOperations) { |
| super(name, compilationUnit, fixRewriteOperations); |
| } |
| |
| } |