/*
* @see org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal#apply(org.eclipse.jface.text.IDocument, char, int)
*/
@Override
public void apply(IDocument document, char trigger, int offset) {
try {
boolean insertClosingParenthesis = trigger == '(' && autocloseBrackets();
if (insertClosingParenthesis) {
StringBuffer replacement = new StringBuffer(getReplacementString());
updateReplacementWithParentheses(replacement);
setReplacementString(replacement.toString());
trigger = '\0';
}
super.apply(document, trigger, offset);
if (fImportRewrite != null && fImportRewrite.hasRecordedChanges()) {
int oldLen = document.getLength();
fImportRewrite
.rewriteImports(new NullProgressMonitor())
.apply(document, TextEdit.UPDATE_REGIONS);
setReplacementOffset(getReplacementOffset() + document.getLength() - oldLen);
}
if (insertClosingParenthesis) setUpLinkedMode(document, ')');
rememberSelection();
} catch (CoreException e) {
JavaPlugin.log(e);
} catch (BadLocationException e) {
JavaPlugin.log(e);
}
}
@Override
protected ASTRewrite getRewrite() throws CoreException {
ASTNode boundNode = fAstRoot.findDeclaringNode(fBinding);
ASTNode declNode = null;
CompilationUnit newRoot = fAstRoot;
if (boundNode != null) {
declNode = boundNode; // is same CU
} else {
newRoot = ASTResolving.createQuickFixAST(getCompilationUnit(), null);
declNode = newRoot.findDeclaringNode(fBinding.getKey());
}
ImportRewrite imports = createImportRewrite(newRoot);
if (declNode instanceof TypeDeclaration) {
AST ast = declNode.getAST();
ASTRewrite rewrite = ASTRewrite.create(ast);
ImportRewriteContext importRewriteContext =
new ContextSensitiveImportRewriteContext(declNode, imports);
Type newInterface = imports.addImport(fNewInterface, ast, importRewriteContext);
ListRewrite listRewrite =
rewrite.getListRewrite(declNode, TypeDeclaration.SUPER_INTERFACE_TYPES_PROPERTY);
listRewrite.insertLast(newInterface, null);
// set up linked mode
final String KEY_TYPE = "type"; // $NON-NLS-1$
addLinkedPosition(rewrite.track(newInterface), true, KEY_TYPE);
return rewrite;
}
return null;
}
private Type evaluateVariableType(
AST ast,
ImportRewrite imports,
ImportRewriteContext importRewriteContext,
IBinding targetContext) {
if (fOriginalNode.getParent() instanceof MethodInvocation) {
MethodInvocation parent = (MethodInvocation) fOriginalNode.getParent();
if (parent.getExpression() == fOriginalNode) {
// _x_.foo() -> guess qualifier type by looking for a type with method 'foo'
ITypeBinding[] bindings =
ASTResolving.getQualifierGuess(
fOriginalNode.getRoot(),
parent.getName().getIdentifier(),
parent.arguments(),
targetContext);
if (bindings.length > 0) {
for (int i = 0; i < bindings.length; i++) {
addLinkedPositionProposal(KEY_TYPE, bindings[i]);
}
return imports.addImport(bindings[0], ast, importRewriteContext);
}
}
}
ITypeBinding binding = ASTResolving.guessBindingForReference(fOriginalNode);
if (binding != null) {
if (binding.isWildcardType()) {
binding = ASTResolving.normalizeWildcardType(binding, isVariableAssigned(), ast);
if (binding == null) {
// only null binding applies
binding = ast.resolveWellKnownType("java.lang.Object"); // $NON-NLS-1$
}
}
if (isVariableAssigned()) {
ITypeBinding[] typeProposals = ASTResolving.getRelaxingTypes(ast, binding);
for (int i = 0; i < typeProposals.length; i++) {
addLinkedPositionProposal(KEY_TYPE, typeProposals[i]);
}
}
return imports.addImport(binding, ast, importRewriteContext);
}
// no binding, find type AST node instead -> ABC a= x-> use 'ABC' as is
Type type = ASTResolving.guessTypeForReference(ast, fOriginalNode);
if (type != null) {
return type;
}
if (fVariableKind == CONST_FIELD) {
return ast.newSimpleType(ast.newSimpleName("String")); // $NON-NLS-1$
}
return ast.newSimpleType(ast.newSimpleName("Object")); // $NON-NLS-1$
}
private Type getConstantType() throws JavaModelException {
if (fConstantTypeCache == null) {
IExpressionFragment fragment = getSelectedExpression();
ITypeBinding typeBinding = guessBindingForReference(fragment.getAssociatedExpression());
AST ast = fCuRewrite.getAST();
typeBinding = Bindings.normalizeForDeclarationUse(typeBinding, ast);
ImportRewrite importRewrite = fCuRewrite.getImportRewrite();
ImportRewriteContext context =
new ContextSensitiveImportRewriteContext(
fCuRewrite.getRoot(), fSelectionStart, importRewrite);
fConstantTypeCache = importRewrite.addImport(typeBinding, ast, context);
}
return fConstantTypeCache;
}
private void rewriteImports() {
if (fImportRewrite == null) return;
if (isReadOnly()) return;
ICompilationUnit cu = getCompilationUnit();
if (cu == null) return;
try {
Position position = new Position(getCompletionOffset(), 0);
IDocument document = getDocument();
final String category =
"__template_position_importer" + System.currentTimeMillis(); // $NON-NLS-1$
IPositionUpdater updater = new DefaultPositionUpdater(category);
document.addPositionCategory(category);
document.addPositionUpdater(updater);
document.addPosition(position);
try {
JavaModelUtil.applyEdit(cu, fImportRewrite.rewriteImports(null), false, null);
setCompletionOffset(position.getOffset());
} catch (CoreException e) {
handleException(null, e);
} finally {
document.removePosition(position);
document.removePositionUpdater(updater);
document.removePositionCategory(category);
}
} catch (BadLocationException e) {
handleException(null, e);
} catch (BadPositionCategoryException e) {
handleException(null, e);
}
}
public void applyRemoves(ImportRewrite importRewrite) {
IBinding[] bindings = getImportsToRemove();
for (int i = 0; i < bindings.length; i++) {
if (bindings[i] instanceof ITypeBinding) {
ITypeBinding typeBinding = (ITypeBinding) bindings[i];
importRewrite.removeImport(typeBinding.getTypeDeclaration().getQualifiedName());
} else if (bindings[i] instanceof IMethodBinding) {
IMethodBinding binding = (IMethodBinding) bindings[i];
importRewrite.removeStaticImport(
binding.getDeclaringClass().getQualifiedName() + '.' + binding.getName());
} else if (bindings[i] instanceof IVariableBinding) {
IVariableBinding binding = (IVariableBinding) bindings[i];
importRewrite.removeStaticImport(
binding.getDeclaringClass().getQualifiedName() + '.' + binding.getName());
}
}
}
private void addImports(final ICompilationUnit unit, ClipboardData data) throws CoreException {
final ImportRewrite rewrite = StubUtility.createImportRewrite(unit, true);
String[] imports = data.getTypeImports();
for (int i = 0; i < imports.length; i++) {
rewrite.addImport(imports[i]);
}
String[] staticImports = data.getStaticImports();
for (int i = 0; i < staticImports.length; i++) {
String name = Signature.getSimpleName(staticImports[i]);
boolean isField = !name.endsWith("()"); // $NON-NLS-1$
if (!isField) {
name = name.substring(0, name.length() - 2);
}
String qualifier = Signature.getQualifier(staticImports[i]);
rewrite.addStaticImport(qualifier, name, isField);
}
try {
getProgressService()
.busyCursorWhile(
new IRunnableWithProgress() {
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
try {
JavaModelUtil.applyEdit(unit, rewrite.rewriteImports(monitor), false, null);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
});
} catch (InvocationTargetException e) {
Throwable cause = e.getCause();
if (cause instanceof CoreException) throw (CoreException) cause;
throw new CoreException(
new Status(
IStatus.ERROR,
JavaUI.ID_PLUGIN,
IJavaStatusConstants.INTERNAL_ERROR,
JavaUIMessages.JavaPlugin_internal_error,
cause));
} catch (InterruptedException e) {
// Canceled by the user
}
}
private String createImportForAccessor(
MultiTextEdit parent,
String accessorClassName,
IPackageFragment accessorPackage,
ICompilationUnit cu)
throws CoreException {
IType type =
accessorPackage
.getCompilationUnit(accessorClassName + JavaModelUtil.DEFAULT_CU_SUFFIX)
.getType(accessorClassName);
String fullyQualifiedName = type.getFullyQualifiedName();
ImportRewrite importRewrite = StubUtility.createImportRewrite(cu, true);
String nameToUse = importRewrite.addImport(fullyQualifiedName);
TextEdit edit = importRewrite.rewriteImports(null);
parent.addChild(edit);
return nameToUse;
}
/* non Java-doc
* @see IRefactoring#createChange(IProgressMonitor)
*/
@Override
public Change createChange(IProgressMonitor pm) throws CoreException {
final String NN = ""; // $NON-NLS-1$
if (pm == null) pm = new NullProgressMonitor();
pm.beginTask(NN, 2);
try {
final CompilationUnitChange result = new CompilationUnitChange(getName(), fCUnit);
if (fLeaveDirty) result.setSaveMode(TextFileChange.LEAVE_DIRTY);
MultiTextEdit root = new MultiTextEdit();
result.setEdit(root);
fRewriter = ASTRewrite.create(fAnalyzer.getEnclosingBodyDeclaration().getAST());
fRewriter.setTargetSourceRangeComputer(
new SelectionAwareSourceRangeComputer(
fAnalyzer.getSelectedNodes(),
fCUnit.getBuffer(),
fSelection.getOffset(),
fSelection.getLength()));
fImportRewrite = StubUtility.createImportRewrite(fRootNode, true);
fLinkedProposalModel = new LinkedProposalModel();
fScope =
CodeScopeBuilder.perform(fAnalyzer.getEnclosingBodyDeclaration(), fSelection)
.findScope(fSelection.getOffset(), fSelection.getLength());
fScope.setCursor(fSelection.getOffset());
fSelectedNodes = fAnalyzer.getSelectedNodes();
createTryCatchStatement(fCUnit.getBuffer(), fCUnit.findRecommendedLineSeparator());
if (fImportRewrite.hasRecordedChanges()) {
TextEdit edit = fImportRewrite.rewriteImports(null);
root.addChild(edit);
result.addTextEditGroup(new TextEditGroup(NN, new TextEdit[] {edit}));
}
TextEdit change = fRewriter.rewriteAST();
root.addChild(change);
result.addTextEditGroup(new TextEditGroup(NN, new TextEdit[] {change}));
return result;
} finally {
pm.done();
}
}
/**
* Adds a static import for the member with name <code>qualifiedMemberName</code>. The member is
* either a static field or a static method or a '*' to import all static members of a type.
*
* @param qualifiedMemberName the fully qualified name of the member to import or a qualified type
* name plus a '.*' suffix.
* @return returns either the simple member name if the import was successful or else the
* qualified name.
* @since 3.4
*/
public String addStaticImport(String qualifiedMemberName) {
if (isReadOnly()) return qualifiedMemberName;
ICompilationUnit cu = getCompilationUnit();
if (cu == null) return qualifiedMemberName;
int memberOffset = qualifiedMemberName.lastIndexOf('.');
if (memberOffset == -1) return qualifiedMemberName;
String typeName = qualifiedMemberName.substring(0, memberOffset);
String memberName =
qualifiedMemberName.substring(memberOffset + 1, qualifiedMemberName.length());
try {
boolean isField;
if ("*".equals(memberName)) { // $NON-NLS-1$
isField = true;
} else {
IJavaProject javaProject = cu.getJavaProject();
IType type = javaProject.findType(typeName);
if (type == null) return qualifiedMemberName;
IField field = type.getField(memberName);
if (field.exists()) {
isField = true;
} else if (hasMethod(type, memberName)) {
isField = false;
} else {
return qualifiedMemberName;
}
}
CompilationUnit root = getASTRoot(cu);
if (fImportRewrite == null) {
if (root == null) {
fImportRewrite = StubUtility.createImportRewrite(cu, true);
} else {
fImportRewrite = StubUtility.createImportRewrite(root, true);
}
}
ImportRewriteContext context;
if (root == null) context = null;
else
context =
new ContextSensitiveImportRewriteContext(root, getCompletionOffset(), fImportRewrite);
return fImportRewrite.addStaticImport(typeName, memberName, isField, context);
} catch (JavaModelException e) {
handleException(null, e);
return typeName;
}
}
/**
* Adds an import for type with type name <code>type</code> if possible. Returns a string which
* can be used to reference the type.
*
* @param type the fully qualified name of the type to import
* @return returns a type to which the type binding can be assigned to. The returned type contains
* is unqualified when an import could be added or was already known. It is fully qualified,
* if an import conflict prevented the import.
* @since 3.4
*/
public String addImport(String type) {
if (isReadOnly()) return type;
ICompilationUnit cu = getCompilationUnit();
if (cu == null) return type;
try {
boolean qualified = type.indexOf('.') != -1;
if (!qualified) {
IJavaSearchScope searchScope =
SearchEngine.createJavaSearchScope(new IJavaElement[] {cu.getJavaProject()});
SimpleName nameNode = null;
TypeNameMatch[] matches = findAllTypes(type, searchScope, nameNode, null, cu);
if (matches.length != 1) // only add import if we have a single match
return type;
type = matches[0].getFullyQualifiedName();
}
CompilationUnit root = getASTRoot(cu);
if (fImportRewrite == null) {
if (root == null) {
fImportRewrite = StubUtility.createImportRewrite(cu, true);
} else {
fImportRewrite = StubUtility.createImportRewrite(root, true);
}
}
ImportRewriteContext context;
if (root == null) context = null;
else
context =
new ContextSensitiveImportRewriteContext(root, getCompletionOffset(), fImportRewrite);
return fImportRewrite.addImport(type, context);
} catch (JavaModelException e) {
handleException(null, e);
return type;
}
}
private void initReturnType(ImportRewrite rewriter) {
AST ast = fEnclosingBodyDeclaration.getAST();
fReturnType = null;
fReturnTypeBinding = null;
switch (fReturnKind) {
case ACCESS_TO_LOCAL:
VariableDeclaration declaration =
ASTNodes.findVariableDeclaration(fReturnValue, fEnclosingBodyDeclaration);
fReturnType =
ASTNodeFactory.newType(
ast,
declaration,
rewriter,
new ContextSensitiveImportRewriteContext(declaration, rewriter));
if (declaration.resolveBinding() != null) {
fReturnTypeBinding = declaration.resolveBinding().getType();
}
break;
case EXPRESSION:
Expression expression = (Expression) getFirstSelectedNode();
if (expression.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION) {
fExpressionBinding = ((ClassInstanceCreation) expression).getType().resolveBinding();
} else {
fExpressionBinding = expression.resolveTypeBinding();
}
if (fExpressionBinding != null) {
if (fExpressionBinding.isNullType()) {
getStatus()
.addFatalError(
RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_null_type,
JavaStatusContext.create(fCUnit, expression));
} else {
ITypeBinding normalizedBinding =
Bindings.normalizeForDeclarationUse(fExpressionBinding, ast);
if (normalizedBinding != null) {
ImportRewriteContext context =
new ContextSensitiveImportRewriteContext(fEnclosingBodyDeclaration, rewriter);
fReturnType = rewriter.addImport(normalizedBinding, ast, context);
fReturnTypeBinding = normalizedBinding;
}
}
} else {
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); // $NON-NLS-1$
getStatus()
.addError(
RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_determine_return_type,
JavaStatusContext.create(fCUnit, expression));
}
break;
case RETURN_STATEMENT_VALUE:
LambdaExpression enclosingLambdaExpr =
ASTResolving.findEnclosingLambdaExpression(getFirstSelectedNode());
if (enclosingLambdaExpr != null) {
fReturnType = ASTNodeFactory.newReturnType(enclosingLambdaExpr, ast, rewriter, null);
IMethodBinding methodBinding = enclosingLambdaExpr.resolveMethodBinding();
fReturnTypeBinding = methodBinding != null ? methodBinding.getReturnType() : null;
} else if (fEnclosingBodyDeclaration.getNodeType() == ASTNode.METHOD_DECLARATION) {
fReturnType = ((MethodDeclaration) fEnclosingBodyDeclaration).getReturnType2();
fReturnTypeBinding = fReturnType != null ? fReturnType.resolveBinding() : null;
}
break;
default:
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); // $NON-NLS-1$
}
if (fReturnType == null) {
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); // $NON-NLS-1$
}
}
private ASTRewrite doAddLocal(CompilationUnit cu) {
AST ast = cu.getAST();
Block body;
BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(fOriginalNode);
IBinding targetContext = null;
if (decl instanceof MethodDeclaration) {
body = (((MethodDeclaration) decl).getBody());
targetContext = ((MethodDeclaration) decl).resolveBinding();
} else if (decl instanceof Initializer) {
body = (((Initializer) decl).getBody());
targetContext = Bindings.getBindingOfParentType(decl);
} else {
return null;
}
ASTRewrite rewrite = ASTRewrite.create(ast);
ImportRewrite imports = createImportRewrite((CompilationUnit) decl.getRoot());
ImportRewriteContext importRewriteContext =
new ContextSensitiveImportRewriteContext(decl, imports);
SimpleName[] names = getAllReferences(body);
ASTNode dominant = getDominantNode(names);
Statement dominantStatement = ASTResolving.findParentStatement(dominant);
if (ASTNodes.isControlStatementBody(dominantStatement.getLocationInParent())) {
dominantStatement = (Statement) dominantStatement.getParent();
}
SimpleName node = names[0];
if (isAssigned(dominantStatement, node)) {
// x = 1; -> int x = 1;
Assignment assignment = (Assignment) node.getParent();
// trick to avoid comment removal around the statement: keep the expression statement
// and replace the assignment with an VariableDeclarationExpression
VariableDeclarationFragment newDeclFrag = ast.newVariableDeclarationFragment();
VariableDeclarationExpression newDecl = ast.newVariableDeclarationExpression(newDeclFrag);
newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
Expression placeholder = (Expression) rewrite.createCopyTarget(assignment.getRightHandSide());
newDeclFrag.setInitializer(placeholder);
newDeclFrag.setName(ast.newSimpleName(node.getIdentifier()));
rewrite.replace(assignment, newDecl, null);
addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
addLinkedPosition(rewrite.track(newDeclFrag.getName()), true, KEY_NAME);
setEndPosition(rewrite.track(assignment.getParent()));
return rewrite;
} else if ((dominant != dominantStatement) && isForStatementInit(dominantStatement, node)) {
// for (x = 1;;) ->for (int x = 1;;)
Assignment assignment = (Assignment) node.getParent();
VariableDeclarationFragment frag = ast.newVariableDeclarationFragment();
VariableDeclarationExpression expression = ast.newVariableDeclarationExpression(frag);
frag.setName(ast.newSimpleName(node.getIdentifier()));
Expression placeholder = (Expression) rewrite.createCopyTarget(assignment.getRightHandSide());
frag.setInitializer(placeholder);
expression.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
rewrite.replace(assignment, expression, null);
addLinkedPosition(rewrite.track(expression.getType()), false, KEY_TYPE);
addLinkedPosition(rewrite.track(frag.getName()), true, KEY_NAME);
setEndPosition(rewrite.track(expression));
return rewrite;
} else if ((dominant != dominantStatement)
&& isEnhancedForStatementVariable(dominantStatement, node)) {
// for (x: collectionOfT) -> for (T x: collectionOfT)
EnhancedForStatement enhancedForStatement = (EnhancedForStatement) dominantStatement;
SingleVariableDeclaration parameter = enhancedForStatement.getParameter();
Expression expression = enhancedForStatement.getExpression();
SimpleName newName = (SimpleName) rewrite.createMoveTarget(node);
rewrite.set(parameter, SingleVariableDeclaration.NAME_PROPERTY, newName, null);
ITypeBinding elementBinding = null;
ITypeBinding typeBinding = expression.resolveTypeBinding();
if (typeBinding != null) {
if (typeBinding.isArray()) {
elementBinding = typeBinding.getElementType();
} else {
ITypeBinding iterable =
Bindings.findTypeInHierarchy(typeBinding, "java.lang.Iterable"); // $NON-NLS-1$
if (iterable != null) {
ITypeBinding[] typeArguments = iterable.getTypeArguments();
if (typeArguments.length == 1) {
elementBinding = typeArguments[0];
elementBinding = Bindings.normalizeForDeclarationUse(elementBinding, ast);
}
}
}
}
Type type;
if (elementBinding != null) {
type = imports.addImport(elementBinding, ast, importRewriteContext);
} else {
type = ast.newSimpleType(ast.newSimpleName("Object")); // $NON-NLS-1$
}
rewrite.set(parameter, SingleVariableDeclaration.TYPE_PROPERTY, type, null);
addLinkedPosition(rewrite.track(type), false, KEY_TYPE);
addLinkedPosition(rewrite.track(newName), true, KEY_NAME);
setEndPosition(rewrite.track(expression));
return rewrite;
}
// foo(x) -> int x; foo(x)
VariableDeclarationFragment newDeclFrag = ast.newVariableDeclarationFragment();
VariableDeclarationStatement newDecl = ast.newVariableDeclarationStatement(newDeclFrag);
newDeclFrag.setName(ast.newSimpleName(node.getIdentifier()));
newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
// newDeclFrag.setInitializer(ASTNodeFactory.newDefaultExpression(ast, newDecl.getType(), 0));
addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
addLinkedPosition(rewrite.track(node), true, KEY_NAME);
addLinkedPosition(rewrite.track(newDeclFrag.getName()), false, KEY_NAME);
Statement statement = dominantStatement;
List<? extends ASTNode> list = ASTNodes.getContainingList(statement);
while (list == null
&& statement.getParent() instanceof Statement) { // parent must be if, for or while
statement = (Statement) statement.getParent();
list = ASTNodes.getContainingList(statement);
}
if (list != null) {
ASTNode parent = statement.getParent();
StructuralPropertyDescriptor childProperty = statement.getLocationInParent();
if (childProperty.isChildListProperty()) {
rewrite
.getListRewrite(parent, (ChildListPropertyDescriptor) childProperty)
.insertBefore(newDecl, statement, null);
return rewrite;
} else {
return null;
}
}
return rewrite;
}
/*
* @see org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal#computeReplacementString()
*/
@Override
protected String computeReplacementString() {
String replacement = super.computeReplacementString();
/* No import rewriting ever from within the import section. */
if (isImportCompletion()) return replacement;
/* Always use the simple name for non-formal javadoc references to types. */
// TODO fix
if (fProposal.getKind() == CompletionProposal.TYPE_REF
&& fInvocationContext.getCoreContext().isInJavadocText()) return getSimpleTypeName();
String qualifiedTypeName = getQualifiedTypeName();
// Type in package info must be fully qualified.
if (fCompilationUnit != null && JavaModelUtil.isPackageInfo(fCompilationUnit))
return qualifiedTypeName;
if (qualifiedTypeName.indexOf('.') == -1 && replacement.length() > 0)
// default package - no imports needed
return qualifiedTypeName;
/*
* If the user types in the qualification, don't force import rewriting on him - insert the
* qualified name.
*/
IDocument document = fInvocationContext.getDocument();
if (document != null) {
String prefix = getPrefix(document, getReplacementOffset() + getReplacementLength());
int dotIndex = prefix.lastIndexOf('.');
// match up to the last dot in order to make higher level matching still work (camel case...)
if (dotIndex != -1
&& qualifiedTypeName
.toLowerCase()
.startsWith(prefix.substring(0, dotIndex + 1).toLowerCase()))
return qualifiedTypeName;
}
/*
* The replacement does not contain a qualification (e.g. an inner type qualified by its
* parent) - use the replacement directly.
*/
if (replacement.indexOf('.') == -1) {
if (isInJavadoc())
return getSimpleTypeName(); // don't use the braces added for javadoc link proposals
return replacement;
}
/* Add imports if the preference is on. */
if (fImportRewrite == null) fImportRewrite = createImportRewrite();
if (fImportRewrite != null) {
return fImportRewrite.addImport(qualifiedTypeName, fImportContext);
}
// fall back for the case we don't have an import rewrite (see allowAddingImports)
/* No imports for implicit imports. */
if (fCompilationUnit != null
&& JavaModelUtil.isImplicitImport(
Signature.getQualifier(qualifiedTypeName), fCompilationUnit)) {
return Signature.getSimpleName(qualifiedTypeName);
}
/* Default: use the fully qualified type name. */
return qualifiedTypeName;
}
private void createTryCatchStatement(org.eclipse.jdt.core.IBuffer buffer, String lineDelimiter)
throws CoreException {
List<Statement> result = new ArrayList<>(1);
TryStatement tryStatement = getAST().newTryStatement();
ITypeBinding[] exceptions = fAnalyzer.getExceptions();
ImportRewriteContext context =
new ContextSensitiveImportRewriteContext(
fAnalyzer.getEnclosingBodyDeclaration(), fImportRewrite);
if (!fIsMultiCatch) {
for (int i = 0; i < exceptions.length; i++) {
ITypeBinding exception = exceptions[i];
CatchClause catchClause = getAST().newCatchClause();
tryStatement.catchClauses().add(catchClause);
SingleVariableDeclaration decl = getAST().newSingleVariableDeclaration();
String varName = StubUtility.getExceptionVariableName(fCUnit.getJavaProject());
String name = fScope.createName(varName, false);
decl.setName(getAST().newSimpleName(name));
Type type = fImportRewrite.addImport(exception, getAST(), context);
decl.setType(type);
catchClause.setException(decl);
Statement st = getCatchBody(ASTNodes.getQualifiedTypeName(type), name, lineDelimiter);
if (st != null) {
catchClause.getBody().statements().add(st);
}
fLinkedProposalModel
.getPositionGroup(GROUP_EXC_TYPE + i, true)
.addPosition(fRewriter.track(decl.getType()), i == 0);
fLinkedProposalModel
.getPositionGroup(GROUP_EXC_NAME + i, true)
.addPosition(fRewriter.track(decl.getName()), false);
}
} else {
List<ITypeBinding> filteredExceptions = filterSubtypeExceptions(exceptions);
CatchClause catchClause = getAST().newCatchClause();
SingleVariableDeclaration decl = getAST().newSingleVariableDeclaration();
String varName = StubUtility.getExceptionVariableName(fCUnit.getJavaProject());
String name = fScope.createName(varName, false);
decl.setName(getAST().newSimpleName(name));
UnionType unionType = getAST().newUnionType();
List<Type> types = unionType.types();
int i = 0;
for (ITypeBinding exception : filteredExceptions) {
Type type = fImportRewrite.addImport(exception, getAST(), context);
types.add(type);
fLinkedProposalModel
.getPositionGroup(GROUP_EXC_TYPE + i, true)
.addPosition(fRewriter.track(type), i == 0);
i++;
}
decl.setType(unionType);
catchClause.setException(decl);
fLinkedProposalModel
.getPositionGroup(GROUP_EXC_NAME + 0, true)
.addPosition(fRewriter.track(decl.getName()), false);
Statement st = getCatchBody("Exception", name, lineDelimiter); // $NON-NLS-1$
if (st != null) {
catchClause.getBody().statements().add(st);
}
tryStatement.catchClauses().add(catchClause);
}
List<ASTNode> variableDeclarations = getSpecialVariableDeclarationStatements();
ListRewrite statements =
fRewriter.getListRewrite(tryStatement.getBody(), Block.STATEMENTS_PROPERTY);
boolean selectedNodeRemoved = false;
ASTNode expressionStatement = null;
for (int i = 0; i < fSelectedNodes.length; i++) {
ASTNode node = fSelectedNodes[i];
if (node instanceof VariableDeclarationStatement && variableDeclarations.contains(node)) {
AST ast = getAST();
VariableDeclarationStatement statement = (VariableDeclarationStatement) node;
// Create a copy and remove the initializer
VariableDeclarationStatement copy =
(VariableDeclarationStatement) ASTNode.copySubtree(ast, statement);
List<IExtendedModifier> modifiers = copy.modifiers();
for (Iterator<IExtendedModifier> iter = modifiers.iterator(); iter.hasNext(); ) {
IExtendedModifier modifier = iter.next();
if (modifier.isModifier()
&& Modifier.isFinal(((Modifier) modifier).getKeyword().toFlagValue())) {
iter.remove();
}
}
List<VariableDeclarationFragment> fragments = copy.fragments();
for (Iterator<VariableDeclarationFragment> iter = fragments.iterator(); iter.hasNext(); ) {
VariableDeclarationFragment fragment = iter.next();
fragment.setInitializer(null);
}
CompilationUnit root = (CompilationUnit) statement.getRoot();
int extendedStart = root.getExtendedStartPosition(statement);
// we have a leading comment and the comment is covered by the selection
if (extendedStart != statement.getStartPosition()
&& extendedStart >= fSelection.getOffset()) {
String commentToken =
buffer.getText(extendedStart, statement.getStartPosition() - extendedStart);
commentToken = Strings.trimTrailingTabsAndSpaces(commentToken);
Type type = statement.getType();
String typeName = buffer.getText(type.getStartPosition(), type.getLength());
copy.setType(
(Type)
fRewriter.createStringPlaceholder(commentToken + typeName, type.getNodeType()));
}
result.add(copy);
// convert the fragments into expression statements
fragments = statement.fragments();
if (!fragments.isEmpty()) {
List<ExpressionStatement> newExpressionStatements = new ArrayList<>();
for (Iterator<VariableDeclarationFragment> iter = fragments.iterator();
iter.hasNext(); ) {
VariableDeclarationFragment fragment = iter.next();
Expression initializer = fragment.getInitializer();
if (initializer != null) {
Assignment assignment = ast.newAssignment();
assignment.setLeftHandSide(
(Expression) fRewriter.createCopyTarget(fragment.getName()));
assignment.setRightHandSide((Expression) fRewriter.createCopyTarget(initializer));
newExpressionStatements.add(ast.newExpressionStatement(assignment));
}
}
if (!newExpressionStatements.isEmpty()) {
if (fSelectedNodes.length == 1) {
expressionStatement =
fRewriter.createGroupNode(
newExpressionStatements.toArray(new ASTNode[newExpressionStatements.size()]));
} else {
fRewriter.replace(
statement,
fRewriter.createGroupNode(
newExpressionStatements.toArray(new ASTNode[newExpressionStatements.size()])),
null);
}
} else {
fRewriter.remove(statement, null);
selectedNodeRemoved = true;
}
} else {
fRewriter.remove(statement, null);
selectedNodeRemoved = true;
}
}
}
result.add(tryStatement);
ASTNode replacementNode;
if (result.size() == 1) {
replacementNode = result.get(0);
} else {
replacementNode = fRewriter.createGroupNode(result.toArray(new ASTNode[result.size()]));
}
if (fSelectedNodes.length == 1) {
ASTNode selectedNode = fSelectedNodes[0];
if (selectedNode instanceof MethodReference) {
MethodReference methodReference = (MethodReference) selectedNode;
IMethodBinding functionalMethod =
QuickAssistProcessor.getFunctionalMethodForMethodReference(methodReference);
// functionalMethod is non-null and non-generic. See
// ExceptionAnalyzer.handleMethodReference(MethodReference node).
Assert.isTrue(functionalMethod != null && !functionalMethod.isGenericMethod());
LambdaExpression lambda =
QuickAssistProcessor.convertMethodRefernceToLambda(
methodReference, functionalMethod, fRootNode, fRewriter, null, true);
ASTNode statementInBlock = (ASTNode) ((Block) lambda.getBody()).statements().get(0);
fRewriter.replace(statementInBlock, replacementNode, null);
statements.insertLast(statementInBlock, null);
return;
}
LambdaExpression enclosingLambda = ASTResolving.findEnclosingLambdaExpression(selectedNode);
if (enclosingLambda != null
&& selectedNode.getLocationInParent() == LambdaExpression.BODY_PROPERTY
&& enclosingLambda.resolveMethodBinding() != null) {
QuickAssistProcessor.changeLambdaBodyToBlock(enclosingLambda, getAST(), fRewriter);
Block blockBody = (Block) fRewriter.get(enclosingLambda, LambdaExpression.BODY_PROPERTY);
ASTNode statementInBlock = (ASTNode) blockBody.statements().get(0);
fRewriter.replace(statementInBlock, replacementNode, null);
statements.insertLast(statementInBlock, null);
return;
}
if (expressionStatement != null) {
statements.insertLast(expressionStatement, null);
} else {
if (!selectedNodeRemoved)
statements.insertLast(fRewriter.createMoveTarget(selectedNode), null);
}
fRewriter.replace(selectedNode, replacementNode, null);
} else {
ListRewrite source =
fRewriter.getListRewrite(
fSelectedNodes[0].getParent(),
(ChildListPropertyDescriptor) fSelectedNodes[0].getLocationInParent());
ASTNode toMove =
source.createMoveTarget(
fSelectedNodes[0], fSelectedNodes[fSelectedNodes.length - 1], replacementNode, null);
statements.insertLast(toMove, null);
}
}
public RefactoringStatus checkFinalConditions(IProgressMonitor pm) throws CoreException {
pm.beginTask("", 20); // $NON-NLS-1$
fChangeManager = new TextChangeManager();
RefactoringStatus result = new RefactoringStatus();
fSourceProvider.initialize();
fTargetProvider.initialize();
pm.setTaskName(RefactoringCoreMessages.InlineMethodRefactoring_searching);
RefactoringStatus searchStatus = new RefactoringStatus();
String binaryRefsDescription =
Messages.format(
RefactoringCoreMessages.ReferencesInBinaryContext_ref_in_binaries_description,
BasicElementLabels.getJavaElementName(fSourceProvider.getMethodName()));
ReferencesInBinaryContext binaryRefs = new ReferencesInBinaryContext(binaryRefsDescription);
ICompilationUnit[] units =
fTargetProvider.getAffectedCompilationUnits(
searchStatus, binaryRefs, new SubProgressMonitor(pm, 1));
binaryRefs.addErrorIfNecessary(searchStatus);
if (searchStatus.hasFatalError()) {
result.merge(searchStatus);
return result;
}
IFile[] filesToBeModified = getFilesToBeModified(units);
result.merge(Checks.validateModifiesFiles(filesToBeModified, getValidationContext()));
if (result.hasFatalError()) return result;
result.merge(
ResourceChangeChecker.checkFilesToBeChanged(
filesToBeModified, new SubProgressMonitor(pm, 1)));
checkOverridden(result, new SubProgressMonitor(pm, 4));
IProgressMonitor sub = new SubProgressMonitor(pm, 15);
sub.beginTask("", units.length * 3); // $NON-NLS-1$
for (int c = 0; c < units.length; c++) {
ICompilationUnit unit = units[c];
sub.subTask(
Messages.format(
RefactoringCoreMessages.InlineMethodRefactoring_processing,
BasicElementLabels.getFileName(unit)));
CallInliner inliner = null;
try {
boolean added = false;
MultiTextEdit root = new MultiTextEdit();
CompilationUnitChange change = (CompilationUnitChange) fChangeManager.get(unit);
change.setEdit(root);
BodyDeclaration[] bodies =
fTargetProvider.getAffectedBodyDeclarations(unit, new SubProgressMonitor(pm, 1));
if (bodies.length == 0) continue;
inliner = new CallInliner(unit, (CompilationUnit) bodies[0].getRoot(), fSourceProvider);
for (int b = 0; b < bodies.length; b++) {
BodyDeclaration body = bodies[b];
inliner.initialize(body);
RefactoringStatus nestedInvocations = new RefactoringStatus();
ASTNode[] invocations =
removeNestedCalls(
nestedInvocations,
unit,
fTargetProvider.getInvocations(body, new SubProgressMonitor(sub, 2)));
for (int i = 0; i < invocations.length; i++) {
ASTNode invocation = invocations[i];
result.merge(inliner.initialize(invocation, fTargetProvider.getStatusSeverity()));
if (result.hasFatalError()) break;
if (result.getSeverity() < fTargetProvider.getStatusSeverity()) {
added = true;
TextEditGroup group =
new TextEditGroup(RefactoringCoreMessages.InlineMethodRefactoring_edit_inline);
change.addTextEditGroup(group);
result.merge(inliner.perform(group));
} else {
fDeleteSource = false;
}
}
// do this after we have inlined the method calls. We still want
// to generate the modifications.
if (!nestedInvocations.isOK()) {
result.merge(nestedInvocations);
fDeleteSource = false;
}
}
if (!added) {
fChangeManager.remove(unit);
} else {
root.addChild(inliner.getModifications());
ImportRewrite rewrite = inliner.getImportEdit();
if (rewrite.hasRecordedChanges()) {
TextEdit edit = rewrite.rewriteImports(null);
if (edit instanceof MultiTextEdit
? ((MultiTextEdit) edit).getChildrenSize() > 0
: true) {
root.addChild(edit);
change.addTextEditGroup(
new TextEditGroup(
RefactoringCoreMessages.InlineMethodRefactoring_edit_import,
new TextEdit[] {edit}));
}
}
}
} finally {
if (inliner != null) inliner.dispose();
}
sub.worked(1);
if (sub.isCanceled()) throw new OperationCanceledException();
}
result.merge(searchStatus);
sub.done();
pm.done();
return result;
}
