| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.jdt.internal.corext.fix; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.text.edits.TextEditGroup; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.AbstractTypeDeclaration; |
| import org.eclipse.jdt.core.dom.AnonymousClassDeclaration; |
| import org.eclipse.jdt.core.dom.ClassInstanceCreation; |
| import org.eclipse.jdt.core.dom.FieldDeclaration; |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| import org.eclipse.jdt.core.dom.Javadoc; |
| import org.eclipse.jdt.core.dom.Modifier; |
| import org.eclipse.jdt.core.dom.ParameterizedType; |
| import org.eclipse.jdt.core.dom.PrimitiveType; |
| import org.eclipse.jdt.core.dom.Type; |
| import org.eclipse.jdt.core.dom.VariableDeclarationFragment; |
| import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; |
| import org.eclipse.jdt.core.dom.rewrite.ITrackedNodePosition; |
| |
| import org.eclipse.jdt.internal.corext.codemanipulation.StubUtility; |
| import org.eclipse.jdt.internal.corext.dom.ASTNodeFactory; |
| import org.eclipse.jdt.internal.corext.fix.LinkedFix.AbstractLinkedFixRewriteOperation; |
| import org.eclipse.jdt.internal.corext.refactoring.structure.CompilationUnitRewrite; |
| |
| import org.eclipse.jdt.ui.CodeGeneration; |
| |
| /** |
| * Partial implementation of a serial version correction proposal. |
| * |
| * @since 3.1 |
| */ |
| public abstract class AbstractSerialVersionOperation extends AbstractLinkedFixRewriteOperation { |
| |
| /** The long literal suffix */ |
| protected static final String LONG_SUFFIX= "L"; //$NON-NLS-1$ |
| |
| /** The default serial value */ |
| public static final long SERIAL_VALUE= 1; |
| |
| /** The default serial id expression */ |
| protected static final String DEFAULT_EXPRESSION= SERIAL_VALUE + LONG_SUFFIX; |
| |
| /** The name of the serial version field */ |
| protected static final String NAME_FIELD= "serialVersionUID"; //$NON-NLS-1$ |
| |
| /** The originally selected node */ |
| private final ASTNode[] fNodes; |
| private final ICompilationUnit fUnit; |
| |
| protected AbstractSerialVersionOperation(final ICompilationUnit unit, final ASTNode[] node) { |
| fUnit= unit; |
| fNodes= node; |
| } |
| |
| /** |
| * Adds an initializer to the specified variable declaration fragment. |
| * |
| * @param fragment the variable declaration fragment to add an initializer |
| * @return false if no id could be calculated |
| * @throws CoreException |
| */ |
| protected abstract boolean addInitializer(final VariableDeclarationFragment fragment, final ASTNode declarationNode) throws CoreException; |
| |
| /** |
| * Adds the necessary linked positions for the specified fragment. |
| * |
| * @param rewrite the ast rewrite to operate on |
| * @param fragment the fragment to add linked positions to |
| * @param positionGroups the list of {@link PositionGroup}s |
| */ |
| protected abstract void addLinkedPositions(final ASTRewrite rewrite, final VariableDeclarationFragment fragment, final List positionGroups); |
| |
| /** |
| * Returns the declaration node for the originally selected node. |
| * |
| * @return the declaration node |
| */ |
| protected ASTNode getDeclarationNode(ASTNode node) { |
| |
| ASTNode parent= node.getParent(); |
| if (!(parent instanceof AbstractTypeDeclaration)) { |
| |
| parent= parent.getParent(); |
| if (parent instanceof ParameterizedType || parent instanceof Type) |
| parent= parent.getParent(); |
| if (parent instanceof ClassInstanceCreation) { |
| |
| final ClassInstanceCreation creation= (ClassInstanceCreation) parent; |
| parent= creation.getAnonymousClassDeclaration(); |
| } |
| } |
| return parent; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void rewriteAST(CompilationUnitRewrite cuRewrite, List textEditGroups) throws CoreException { |
| rewriteAST(cuRewrite, textEditGroups, new ArrayList()); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public ITrackedNodePosition rewriteAST(CompilationUnitRewrite cuRewrite, List textEditGroups, List positionGroups) throws CoreException { |
| final ASTRewrite rewrite= cuRewrite.getASTRewrite(); |
| VariableDeclarationFragment fragment= null; |
| for (int i= 0; i < fNodes.length; i++) { |
| final ASTNode node= getDeclarationNode(fNodes[i]); |
| |
| final AST ast= node.getAST(); |
| |
| fragment= ast.newVariableDeclarationFragment(); |
| fragment.setName(ast.newSimpleName(NAME_FIELD)); |
| |
| final FieldDeclaration declaration= ast.newFieldDeclaration(fragment); |
| declaration.setType(ast.newPrimitiveType(PrimitiveType.LONG)); |
| declaration.modifiers().addAll(ASTNodeFactory.newModifiers(ast, Modifier.PRIVATE | Modifier.STATIC | Modifier.FINAL)); |
| |
| if (!addInitializer(fragment, node)) |
| continue; |
| |
| if (fragment.getInitializer() != null) { |
| |
| final TextEditGroup editGroup= createTextEditGroup(FixMessages.SerialVersion_group_description); |
| textEditGroups.add(editGroup); |
| |
| if (node instanceof AbstractTypeDeclaration) |
| rewrite.getListRewrite(node, ((AbstractTypeDeclaration) node).getBodyDeclarationsProperty()).insertAt(declaration, 0, editGroup); |
| else if (node instanceof AnonymousClassDeclaration) |
| rewrite.getListRewrite(node, AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY).insertAt(declaration, 0, editGroup); |
| else if (node instanceof ParameterizedType) { |
| final ParameterizedType type= (ParameterizedType) node; |
| final ASTNode parent= type.getParent(); |
| if (parent instanceof ClassInstanceCreation) { |
| final ClassInstanceCreation creation= (ClassInstanceCreation) parent; |
| final AnonymousClassDeclaration anonymous= creation.getAnonymousClassDeclaration(); |
| if (anonymous != null) |
| rewrite.getListRewrite(anonymous, AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY).insertAt(declaration, 0, editGroup); |
| } |
| } else |
| Assert.isTrue(false); |
| |
| addLinkedPositions(rewrite, fragment, positionGroups); |
| } |
| |
| final String comment= CodeGeneration.getFieldComment(fUnit, declaration.getType().toString(), NAME_FIELD, StubUtility.getLineDelimiterUsed(fUnit)); |
| if (comment != null && comment.length() > 0) { |
| final Javadoc doc= (Javadoc) rewrite.createStringPlaceholder(comment, ASTNode.JAVADOC); |
| declaration.setJavadoc(doc); |
| } |
| } |
| if (fragment == null) |
| return null; |
| |
| return rewrite.track(fragment); |
| } |
| |
| /** |
| * Returns the qualified type name of the class declaration. |
| * |
| * @return the qualified type name of the class |
| */ |
| protected String getQualifiedName(final ASTNode parent) { |
| ITypeBinding binding= null; |
| if (parent instanceof AbstractTypeDeclaration) { |
| final AbstractTypeDeclaration declaration= (AbstractTypeDeclaration) parent; |
| binding= declaration.resolveBinding(); |
| } else if (parent instanceof AnonymousClassDeclaration) { |
| final AnonymousClassDeclaration declaration= (AnonymousClassDeclaration) parent; |
| final ClassInstanceCreation creation= (ClassInstanceCreation) declaration.getParent(); |
| binding= creation.resolveTypeBinding(); |
| } else if (parent instanceof ParameterizedType) { |
| final ParameterizedType type= (ParameterizedType) parent; |
| binding= type.resolveBinding(); |
| } |
| if (binding != null) |
| return binding.getBinaryName(); |
| return null; |
| } |
| } |