Attachment 188358 Details for Bug 322494 – SortModifiersFix.java

SortModifiersFix.java

SortModifiersFix.java (text/plain), 5.59 KB, created by Markus Keller

on 2011-02-04 14:31:56 EST

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Creator: Markus Keller

Created: 2011-02-04 14:31:56 EST

Size: 5.59 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2000, 2011 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
> *     Chris West (Faux) <eclipse@goeswhere.com> - [clean up] "Use modifier 'final' where possible" can introduce compile errors - https://bugs.eclipse.org/bugs/show_bug.cgi?id=272532
> *******************************************************************************/
>package org.eclipse.jdt.internal.corext.fix;
>
>import java.util.ArrayList;
>import java.util.List;
>
>import org.eclipse.core.runtime.CoreException;
>
>import org.eclipse.text.edits.TextEditGroup;
>
>import org.eclipse.jdt.core.dom.ASTNode;
>import org.eclipse.jdt.core.dom.BodyDeclaration;
>import org.eclipse.jdt.core.dom.CompilationUnit;
>import org.eclipse.jdt.core.dom.IExtendedModifier;
>import org.eclipse.jdt.core.dom.Modifier;
>import org.eclipse.jdt.core.dom.Modifier.ModifierKeyword;
>import org.eclipse.jdt.core.dom.SimpleName;
>import org.eclipse.jdt.core.dom.rewrite.ASTRewrite;
>import org.eclipse.jdt.core.dom.rewrite.ListRewrite;
>
>import org.eclipse.jdt.internal.corext.dom.ASTNodeFactory;
>import org.eclipse.jdt.internal.corext.dom.HierarchicalASTVisitor;
>import org.eclipse.jdt.internal.corext.refactoring.structure.CompilationUnitRewrite;
>
>import org.eclipse.jdt.ui.cleanup.ICleanUpFix;
>
>public class SortModifiersFix extends CompilationUnitRewriteOperationsFix {
>
>	private static class UnsortedModifiersNodeFinder extends HierarchicalASTVisitor {
>
>		private final List fOperations;
>
>		public UnsortedModifiersNodeFinder(List operations) {
>			fOperations= operations;
>		}
>
>		/**
>		 * {@inheritDoc}
>		 */
>		public boolean visit(BodyDeclaration node) {
>			int modifiers= node.getModifiers();
>			if (modifiers != Modifier.NONE) {
>				List newModifiers= ASTNodeFactory.newModifiers(node.getAST(), modifiers);
>				List oldModifiers= node.modifiers();
>				for (int o= 0, n= 0; o < oldModifiers.size(); o++) {
>					IExtendedModifier modifier= (IExtendedModifier) oldModifiers.get(o);
>					if (modifier.isAnnotation())
>						continue;
>					ModifierKeyword oldKeyword= ((Modifier) modifier).getKeyword();
>					ModifierKeyword newKeyword= ((Modifier) newModifiers.get(n++)).getKeyword();
>					if (oldKeyword != newKeyword) {
>						fOperations.add(new SortModifiersOperation(node, newModifiers));
>						break;
>					}
>				}
>			}
>			return super.visit(node);
>		}
>	}
>
>	private static class SortModifiersOperation extends CompilationUnitRewriteOperation {
>
>		private final BodyDeclaration fWithModifiersNode;
>		private final List fNewModifiers;
>
>		public SortModifiersOperation(BodyDeclaration withModifiersNode, List newModifiers) {
>			fWithModifiersNode= withModifiersNode;
>			fNewModifiers= newModifiers;
>		}
>
>		/**
>		 * {@inheritDoc}
>		 */
>		public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel model) throws CoreException {
>			ASTRewrite rewrite= cuRewrite.getASTRewrite();
>			TextEditGroup group= createTextEditGroup(FixMessages.VariableDeclarationFix_sortModifiers_description, cuRewrite);
>			
>			List oldModifiers= fWithModifiersNode.modifiers();
>			for (int i= 0; i < oldModifiers.size(); i++) {
>				Object modifier= oldModifiers.get(i);
>				if (modifier instanceof Modifier) {
>					rewrite.remove((Modifier) modifier, group);
>				}
>			}
>			
>			ListRewrite listRewrite= rewrite.getListRewrite(fWithModifiersNode, fWithModifiersNode.getModifiersProperty());
>			for (int i= 0; i < fNewModifiers.size(); i++) {
>				Modifier curr= (Modifier) fNewModifiers.get(i);
>				listRewrite.insertLast(curr, group);
>			}
>		}
>	}
>
>	public static SortModifiersFix createFix(final CompilationUnit compilationUnit, ASTNode[] selectedNodes) {
>		List operations= new ArrayList();
>		UnsortedModifiersNodeFinder visitor= new UnsortedModifiersNodeFinder(operations);
>		compilationUnit.accept(visitor);
>		if (selectedNodes.length == 1) {
>			if (selectedNodes[0] instanceof SimpleName) {
>				selectedNodes[0]= selectedNodes[0].getParent();
>			}
>			selectedNodes[0].accept(visitor);
>		} else {
>			for (int i= 0; i < selectedNodes.length; i++) {
>				ASTNode selectedNode= selectedNodes[i];
>				selectedNode.accept(visitor);
>			}
>		}
>		if (operations.size() == 0)
>			return null;
>
>		CompilationUnitRewriteOperation[] fixRewriteOperations= (CompilationUnitRewriteOperation[])operations.toArray(new CompilationUnitRewriteOperation[operations.size()]);
>
>		return new SortModifiersFix(FixMessages.VariableDeclarationFix_sortModifiers_description, compilationUnit, fixRewriteOperations);
>	}
>
>	public static ICleanUpFix createCleanUp(CompilationUnit compilationUnit) {
>		List operations= new ArrayList();
>		UnsortedModifiersNodeFinder finder= new UnsortedModifiersNodeFinder(operations);
>		compilationUnit.accept(finder);
>
>		if (operations.isEmpty())
>			return null;
>		
>		CompilationUnitRewriteOperation[] fixRewriteOperations= (CompilationUnitRewriteOperation[])operations.toArray(new CompilationUnitRewriteOperation[operations.size()]);
>
>		return new SortModifiersFix(FixMessages.VariableDeclarationFix_sortModifiers_description, compilationUnit, fixRewriteOperations);
>	}
>
>	protected SortModifiersFix(String name, CompilationUnit compilationUnit, CompilationUnitRewriteOperation[] fixRewriteOperations) {
>		super(name, compilationUnit, fixRewriteOperations);
>	}
>
>}

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Attachments on bug 322494: 176660 | 176664 | 176665 | 177773 | 177774 | 177777 | 177778 | 187990 | 188358 | 191941