| package org.eclipse.jdt.internal.ui.text.correction; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.jface.text.IDocument; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.Signature; |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.Assignment; |
| import org.eclipse.jdt.core.dom.BodyDeclaration; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.dom.Expression; |
| import org.eclipse.jdt.core.dom.FieldDeclaration; |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| import org.eclipse.jdt.core.dom.MethodDeclaration; |
| import org.eclipse.jdt.core.dom.ReturnStatement; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.Statement; |
| import org.eclipse.jdt.core.dom.Type; |
| import org.eclipse.jdt.core.dom.VariableDeclarationFragment; |
| import org.eclipse.jdt.core.dom.VariableDeclarationStatement; |
| |
| import org.eclipse.jdt.internal.corext.codemanipulation.CodeGenerationSettings; |
| import org.eclipse.jdt.internal.corext.codemanipulation.ImportEdit; |
| import org.eclipse.jdt.internal.corext.codemanipulation.StubUtility; |
| import org.eclipse.jdt.internal.corext.dom.GenericVisitor; |
| import org.eclipse.jdt.internal.corext.refactoring.changes.CompilationUnitChange; |
| import org.eclipse.jdt.internal.corext.refactoring.nls.NLSRefactoring; |
| import org.eclipse.jdt.internal.corext.refactoring.surround.SurroundWithTryCatchRefactoring; |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| import org.eclipse.jdt.internal.ui.preferences.JavaPreferencesSettings; |
| import org.eclipse.jdt.internal.ui.refactoring.actions.RefactoringStarter; |
| import org.eclipse.jdt.internal.ui.refactoring.nls.ExternalizeWizard; |
| |
| /** |
| */ |
| public class LocalCorrectionsSubProcessor { |
| |
| public static void addCastProposals(ProblemPosition problemPos, ArrayList proposals) throws CoreException { |
| String[] args= problemPos.getArguments(); |
| if (args.length != 2) { |
| return; |
| } |
| |
| ICompilationUnit cu= problemPos.getCompilationUnit(); |
| String castDestType= args[1]; |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, false); |
| ASTNode selectedNode= ASTResolving.findSelectedNode(astRoot, problemPos.getOffset(), problemPos.getLength()); |
| |
| int pos= problemPos.getOffset(); |
| if (selectedNode != null && selectedNode.getParent() != null) { |
| int parentNodeType= selectedNode.getParent().getNodeType(); |
| if (parentNodeType == ASTNode.ASSIGNMENT) { |
| Assignment assign= (Assignment) selectedNode.getParent(); |
| if (selectedNode.equals(assign.getLeftHandSide())) { |
| pos= assign.getRightHandSide().getStartPosition(); |
| } |
| } else if (parentNodeType == ASTNode.VARIABLE_DECLARATION_FRAGMENT) { |
| VariableDeclarationFragment frag= (VariableDeclarationFragment) selectedNode.getParent(); |
| if (selectedNode.equals(frag.getName())) { |
| pos= frag.getInitializer().getStartPosition(); |
| } |
| } |
| } |
| String simpleCastDestType= Signature.getSimpleName(castDestType); |
| |
| String cast= '(' + simpleCastDestType + ')'; |
| String formatted= StubUtility.codeFormat(cast + 'x', 0, ""); //$NON-NLS-1$ |
| if (formatted.charAt(formatted.length() - 1) == 'x') { |
| cast= formatted.substring(0, formatted.length() - 1); |
| } |
| |
| String label= CorrectionMessages.getFormattedString("LocalCorrectionsSubProcessor.addcast.description", castDestType); //$NON-NLS-1$ |
| InsertCorrectionProposal proposal= new InsertCorrectionProposal(label, cu, pos, cast, 1); |
| |
| CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(); |
| ImportEdit edit= new ImportEdit(cu, settings); |
| edit.addImport(castDestType); |
| proposal.getCompilationUnitChange().addTextEdit("import", edit); //$NON-NLS-1$ |
| |
| proposals.add(proposal); |
| |
| if (selectedNode != null && selectedNode.getParent() instanceof VariableDeclarationFragment) { |
| VariableDeclarationFragment fragment= (VariableDeclarationFragment) selectedNode.getParent(); |
| ASTNode parent= fragment.getParent(); |
| Type type= null; |
| if (parent instanceof VariableDeclarationStatement) { |
| VariableDeclarationStatement stmt= (VariableDeclarationStatement) parent; |
| if (stmt.fragments().size() == 1) { |
| type= stmt.getType(); |
| } |
| } else if (parent instanceof FieldDeclaration) { |
| FieldDeclaration decl= (FieldDeclaration) parent; |
| if (decl.fragments().size() == 1) { |
| type= decl.getType(); |
| } |
| } |
| if (type != null) { |
| String castType= args[0]; |
| String simpleCastType= Signature.getSimpleName(castType); |
| |
| label= CorrectionMessages.getFormattedString("LocalCorrectionsSubProcessor.addcast_var.description", simpleCastType); //$NON-NLS-1$ |
| ReplaceCorrectionProposal varProposal= new ReplaceCorrectionProposal(label, cu, type.getStartPosition(), type.getLength(), simpleCastType, 1); |
| edit= new ImportEdit(cu, settings); |
| edit.addImport(castType); |
| varProposal.getCompilationUnitChange().addTextEdit("import", edit); //$NON-NLS-1$ |
| |
| proposals.add(varProposal); |
| } |
| } |
| |
| } |
| |
| public static void addUncaughtExceptionProposals(ProblemPosition problemPos, ArrayList proposals) throws CoreException { |
| ICompilationUnit cu= problemPos.getCompilationUnit(); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, true); |
| ASTNode selectedNode= ASTResolving.findSelectedNode(astRoot, problemPos.getOffset(), problemPos.getLength()); |
| if (selectedNode == null) { |
| return; |
| } |
| while (selectedNode != null && !(selectedNode instanceof Statement)) { |
| selectedNode= selectedNode.getParent(); |
| } |
| if (selectedNode != null) { |
| CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(); |
| SurroundWithTryCatchRefactoring refactoring= new SurroundWithTryCatchRefactoring(cu, selectedNode.getStartPosition(), selectedNode.getLength(), settings, null); |
| refactoring.setSaveChanges(false); |
| if (refactoring.checkActivationBasics(astRoot, null).isOK()) { |
| String label= CorrectionMessages.getString("LocalCorrectionsSubProcessor.surroundwith.description"); //$NON-NLS-1$ |
| CUCorrectionProposal proposal= new CUCorrectionProposal(label, (CompilationUnitChange) refactoring.createChange(null), 0); |
| proposal.setImage(JavaPluginImages.get(JavaPluginImages.IMG_OBJS_EXCEPTION)); |
| proposals.add(proposal); |
| } |
| } |
| |
| BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(selectedNode); |
| if (decl instanceof MethodDeclaration) { |
| |
| String uncaughtName= problemPos.getArguments()[0]; |
| |
| MethodDeclaration methodDecl= (MethodDeclaration) decl; |
| SimpleName name= methodDecl.getName(); |
| int pos= name.getStartPosition() + name.getLength(); |
| StringBuffer insertString= new StringBuffer(); |
| if (methodDecl.thrownExceptions().isEmpty()) { |
| insertString.append(" throws "); //$NON-NLS-1$ |
| } else { |
| insertString.append(", "); //$NON-NLS-1$ |
| } |
| insertString.append(Signature.getSimpleName(uncaughtName)); |
| |
| String label= CorrectionMessages.getString("LocalCorrectionsSubProcessor.addthrows.description"); //$NON-NLS-1$ |
| InsertCorrectionProposal proposal= new InsertCorrectionProposal(label, cu, pos, insertString.toString(), 0); |
| proposal.setImage(JavaPluginImages.get(JavaPluginImages.IMG_OBJS_EXCEPTION)); |
| CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(); |
| ImportEdit edit= new ImportEdit(cu, settings); |
| edit.addImport(uncaughtName); |
| proposal.getCompilationUnitChange().addTextEdit("import", edit); //$NON-NLS-1$ |
| |
| proposals.add(proposal); |
| } |
| } |
| |
| public static void addMethodWithConstrNameProposals(ProblemPosition problemPos, ArrayList proposals) throws CoreException { |
| ICompilationUnit cu= problemPos.getCompilationUnit(); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, false); |
| ASTNode selectedNode= ASTResolving.findSelectedNode(astRoot, problemPos.getOffset(), problemPos.getLength()); |
| if (selectedNode instanceof SimpleName && selectedNode.getParent() instanceof MethodDeclaration) { |
| MethodDeclaration declaration= (MethodDeclaration) selectedNode.getParent(); |
| int start= declaration.getReturnType().getStartPosition(); |
| int end= declaration.getName().getStartPosition(); |
| String label= CorrectionMessages.getString("LocalCorrectionsSubProcessor.constrnamemethod.description"); //$NON-NLS-1$ |
| ReplaceCorrectionProposal proposal= new ReplaceCorrectionProposal(label, cu, start, end - start, "", 0); //$NON-NLS-1$ |
| proposals.add(proposal); |
| } |
| |
| } |
| |
| public static void addVoidMethodReturnsProposals(ProblemPosition problemPos, ArrayList proposals) throws CoreException { |
| ICompilationUnit cu= problemPos.getCompilationUnit(); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, true); |
| ASTNode selectedNode= ASTResolving.findSelectedNode(astRoot, problemPos.getOffset(), problemPos.getLength()); |
| if (selectedNode != null) { |
| if (selectedNode.getParent() instanceof ReturnStatement) { |
| ReturnStatement returnStatement= (ReturnStatement) selectedNode.getParent(); |
| Expression expr= returnStatement.getExpression(); |
| if (expr != null) { |
| ITypeBinding binding= expr.resolveTypeBinding(); |
| if (binding != null) { |
| if ("null".equals(binding.getName())) { //$NON-NLS-1$ |
| binding= selectedNode.getAST().resolveWellKnownType("java.lang.Object"); //$NON-NLS-1$ |
| } |
| BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(returnStatement); |
| if (decl instanceof MethodDeclaration) { |
| ASTNode returnType= ((MethodDeclaration) decl).getReturnType(); |
| String label= CorrectionMessages.getString("LocalCorrectionsSubProcessor.voidmethodreturns.description") + binding.getName(); //$NON-NLS-1$ |
| ReplaceCorrectionProposal proposal= new ReplaceCorrectionProposal(label, cu, returnType.getStartPosition(), returnType.getLength(), binding.getName(), 0); |
| proposals.add(proposal); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| public static void addMissingReturnTypeProposals(ProblemPosition problemPos, ArrayList proposals) throws CoreException { |
| ICompilationUnit cu= problemPos.getCompilationUnit(); |
| |
| CompilationUnit astRoot= AST.parseCompilationUnit(cu, true); |
| ASTNode selectedNode= ASTResolving.findSelectedNode(astRoot, problemPos.getOffset(), problemPos.getLength()); |
| if (selectedNode != null) { |
| BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(selectedNode); |
| if (decl instanceof MethodDeclaration) { |
| final ITypeBinding[] res= new ITypeBinding[1]; |
| res[0]= null; |
| |
| decl.accept(new GenericVisitor() { |
| public boolean visit(ReturnStatement node) { |
| if (res[0] == null) { |
| Expression expr= node.getExpression(); |
| if (expr != null) { |
| ITypeBinding binding= expr.resolveTypeBinding(); |
| if (binding != null) { |
| res[0]= binding; |
| } else { |
| res[0]= node.getAST().resolveWellKnownType("java.lang.Object"); //$NON-NLS-1$ |
| } |
| } else { |
| res[0]= node.getAST().resolveWellKnownType("void"); //$NON-NLS-1$ |
| } |
| } |
| return false; |
| } |
| }); |
| ITypeBinding type= res[0]; |
| if (type == null) { |
| type= decl.getAST().resolveWellKnownType("void"); //$NON-NLS-1$ |
| } |
| |
| String str= type.getName() + " "; //$NON-NLS-1$ |
| int pos= ((MethodDeclaration) decl).getName().getStartPosition(); |
| |
| String label= CorrectionMessages.getFormattedString("LocalCorrectionsSubProcessor.missingreturntype.description", type.getName()); //$NON-NLS-1$ |
| InsertCorrectionProposal proposal= new InsertCorrectionProposal(label, cu, pos, str, 1); |
| |
| CodeGenerationSettings settings= JavaPreferencesSettings.getCodeGenerationSettings(); |
| ImportEdit edit= new ImportEdit(problemPos.getCompilationUnit(), settings); |
| edit.addImport(type.getName()); |
| proposal.getCompilationUnitChange().addTextEdit("import", edit); //$NON-NLS-1$ |
| |
| proposals.add(proposal); |
| } |
| } |
| } |
| |
| public static void addNLSProposals(ProblemPosition problemPos, ArrayList proposals) throws CoreException { |
| final ICompilationUnit cu= problemPos.getCompilationUnit(); |
| String name= CorrectionMessages.getString("LocalCorrectionsSubProcessor.externalizestrings.description"); //$NON-NLS-1$ |
| |
| ChangeCorrectionProposal proposal= new ChangeCorrectionProposal(name, null, 0) { |
| public void apply(IDocument document) { |
| try { |
| NLSRefactoring refactoring= new NLSRefactoring(cu); |
| ExternalizeWizard wizard= new ExternalizeWizard(refactoring); |
| String dialogTitle= CorrectionMessages.getString("LocalCorrectionsSubProcessor.externalizestrings.dialog.title"); //$NON-NLS-1$ |
| new RefactoringStarter().activate(refactoring, wizard, dialogTitle, true); |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| }; |
| proposals.add(proposal); |
| } |
| } |
