use of org.eclipse.jdt.ls.core.internal.corext.refactoring.surround.SurroundWithTryCatchRefactoring in project eclipse.jdt.ls by eclipse.
the class LocalCorrectionsSubProcessor method addUncaughtExceptionProposals.
public static void addUncaughtExceptionProposals(IInvocationContext context, IProblemLocationCore problem, Collection<ChangeCorrectionProposal> proposals) throws CoreException {
ICompilationUnit cu = context.getCompilationUnit();
CompilationUnit astRoot = context.getASTRoot();
ASTNode selectedNode = context.getSelectionLength() > 0 ? context.getCoveredNode() : problem.getCoveringNode(astRoot);
if (selectedNode == null) {
return;
}
while (selectedNode != null && !(selectedNode instanceof Statement) && !(selectedNode instanceof VariableDeclarationExpression) && !(selectedNode.getLocationInParent() == LambdaExpression.BODY_PROPERTY) && !(selectedNode instanceof MethodReference)) {
selectedNode = selectedNode.getParent();
}
if (selectedNode == null) {
return;
}
int offset = selectedNode.getStartPosition();
int length = selectedNode.getLength();
int selectionEnd = context.getSelectionOffset() + context.getSelectionLength();
if (selectionEnd > offset + length) {
// extend the selection if more than one statement is selected (bug 72149)
length = selectionEnd - offset;
}
// Surround with proposals
SurroundWithTryCatchRefactoring refactoring = SurroundWithTryCatchRefactoring.create(cu, offset, length);
if (refactoring == null) {
return;
}
refactoring.setLeaveDirty(true);
if (refactoring.checkActivationBasics(astRoot).isOK()) {
String label = CorrectionMessages.LocalCorrectionsSubProcessor_surroundwith_trycatch_description;
RefactoringCorrectionProposal proposal = new RefactoringCorrectionProposal(label, CodeActionKind.QuickFix, cu, refactoring, IProposalRelevance.SURROUND_WITH_TRY_CATCH);
proposal.setLinkedProposalModel(refactoring.getLinkedProposalModel());
proposals.add(proposal);
}
if (JavaModelUtil.is1d7OrHigher(cu.getJavaProject())) {
refactoring = SurroundWithTryCatchRefactoring.create(cu, offset, length, true);
if (refactoring == null) {
return;
}
refactoring.setLeaveDirty(true);
if (refactoring.checkActivationBasics(astRoot).isOK()) {
String label = CorrectionMessages.LocalCorrectionsSubProcessor_surroundwith_trymulticatch_description;
RefactoringCorrectionProposal proposal = new RefactoringCorrectionProposal(label, CodeActionKind.QuickFix, cu, refactoring, IProposalRelevance.SURROUND_WITH_TRY_MULTICATCH);
proposal.setLinkedProposalModel(refactoring.getLinkedProposalModel());
proposals.add(proposal);
}
}
// Surround with try-with
getTryWithResourceProposals(context, problem, proposals);
// Catch exception
BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(selectedNode);
if (decl == null) {
return;
}
ASTNode enclosingNode = SurroundWithAnalyzer.getEnclosingNode(selectedNode);
if (enclosingNode == null) {
return;
}
ITypeBinding[] uncaughtExceptions = ExceptionAnalyzer.perform(enclosingNode, Selection.createFromStartLength(offset, length));
if (uncaughtExceptions.length == 0) {
return;
}
TryStatement surroundingTry = ASTResolving.findParentTryStatement(selectedNode);
AST ast = astRoot.getAST();
if (surroundingTry != null && (ASTNodes.isParent(selectedNode, surroundingTry.getBody()) || selectedNode.getLocationInParent() == TryStatement.RESOURCES_PROPERTY)) {
{
ASTRewrite rewrite = ASTRewrite.create(surroundingTry.getAST());
String label = CorrectionMessages.LocalCorrectionsSubProcessor_addadditionalcatch_description;
LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, CodeActionKind.QuickFix, cu, rewrite, IProposalRelevance.ADD_ADDITIONAL_CATCH);
ImportRewrite imports = proposal.createImportRewrite(context.getASTRoot());
ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(decl, imports);
CodeScopeBuilder.Scope scope = CodeScopeBuilder.perform(decl, Selection.createFromStartLength(offset, length)).findScope(offset, length);
scope.setCursor(offset);
ListRewrite clausesRewrite = rewrite.getListRewrite(surroundingTry, TryStatement.CATCH_CLAUSES_PROPERTY);
for (int i = 0; i < uncaughtExceptions.length; i++) {
ITypeBinding excBinding = uncaughtExceptions[i];
String varName = StubUtility.getExceptionVariableName(cu.getJavaProject());
String name = scope.createName(varName, false);
SingleVariableDeclaration var = ast.newSingleVariableDeclaration();
var.setName(ast.newSimpleName(name));
var.setType(imports.addImport(excBinding, ast, importRewriteContext, TypeLocation.EXCEPTION));
CatchClause newClause = ast.newCatchClause();
newClause.setException(var);
String catchBody = StubUtility.getCatchBodyContent(cu, excBinding.getName(), name, selectedNode, String.valueOf('\n'));
if (catchBody != null) {
ASTNode node = rewrite.createStringPlaceholder(catchBody, ASTNode.RETURN_STATEMENT);
newClause.getBody().statements().add(node);
}
clausesRewrite.insertLast(newClause, null);
// $NON-NLS-1$
String typeKey = "type" + i;
// $NON-NLS-1$
String nameKey = "name" + i;
proposal.addLinkedPosition(rewrite.track(var.getType()), false, typeKey);
proposal.addLinkedPosition(rewrite.track(var.getName()), false, nameKey);
addExceptionTypeLinkProposals(proposal, excBinding, typeKey);
}
proposals.add(proposal);
}
if (JavaModelUtil.is1d7OrHigher(cu.getJavaProject())) {
List<CatchClause> catchClauses = surroundingTry.catchClauses();
if (catchClauses != null && catchClauses.size() == 1) {
List<ITypeBinding> filteredExceptions = SurroundWithTryCatchRefactoring.filterSubtypeExceptions(uncaughtExceptions);
String label = filteredExceptions.size() > 1 ? CorrectionMessages.LocalCorrectionsSubProcessor_addexceptionstoexistingcatch_description : CorrectionMessages.LocalCorrectionsSubProcessor_addexceptiontoexistingcatch_description;
ASTRewrite rewrite = ASTRewrite.create(ast);
LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, CodeActionKind.QuickFix, cu, rewrite, IProposalRelevance.ADD_EXCEPTIONS_TO_EXISTING_CATCH);
ImportRewrite imports = proposal.createImportRewrite(context.getASTRoot());
ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(decl, imports);
CatchClause catchClause = catchClauses.get(0);
Type type = catchClause.getException().getType();
if (type instanceof UnionType) {
UnionType unionType = (UnionType) type;
ListRewrite listRewrite = rewrite.getListRewrite(unionType, UnionType.TYPES_PROPERTY);
for (int i = 0; i < filteredExceptions.size(); i++) {
ITypeBinding excBinding = filteredExceptions.get(i);
Type type2 = imports.addImport(excBinding, ast, importRewriteContext, TypeLocation.EXCEPTION);
listRewrite.insertLast(type2, null);
// $NON-NLS-1$
String typeKey = "type" + i;
proposal.addLinkedPosition(rewrite.track(type2), false, typeKey);
addExceptionTypeLinkProposals(proposal, excBinding, typeKey);
}
} else {
UnionType newUnionType = ast.newUnionType();
List<Type> types = newUnionType.types();
types.add((Type) rewrite.createCopyTarget(type));
for (int i = 0; i < filteredExceptions.size(); i++) {
ITypeBinding excBinding = filteredExceptions.get(i);
Type type2 = imports.addImport(excBinding, ast, importRewriteContext, TypeLocation.EXCEPTION);
types.add(type2);
// $NON-NLS-1$
String typeKey = "type" + i;
proposal.addLinkedPosition(rewrite.track(type2), false, typeKey);
addExceptionTypeLinkProposals(proposal, excBinding, typeKey);
}
rewrite.replace(type, newUnionType, null);
}
proposals.add(proposal);
} else if (catchClauses != null && catchClauses.size() == 0) {
List<ITypeBinding> filteredExceptions = SurroundWithTryCatchRefactoring.filterSubtypeExceptions(uncaughtExceptions);
if (filteredExceptions.size() > 1) {
String label = CorrectionMessages.LocalCorrectionsSubProcessor_addadditionalmulticatch_description;
ASTRewrite rewrite = ASTRewrite.create(ast);
LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, CodeActionKind.QuickFix, cu, rewrite, IProposalRelevance.ADD_ADDITIONAL_MULTI_CATCH);
ImportRewrite imports = proposal.createImportRewrite(context.getASTRoot());
ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(decl, imports);
CodeScopeBuilder.Scope scope = CodeScopeBuilder.perform(decl, Selection.createFromStartLength(offset, length)).findScope(offset, length);
scope.setCursor(offset);
CatchClause newCatchClause = ast.newCatchClause();
String varName = StubUtility.getExceptionVariableName(cu.getJavaProject());
String name = scope.createName(varName, false);
SingleVariableDeclaration var = ast.newSingleVariableDeclaration();
var.setName(ast.newSimpleName(name));
UnionType newUnionType = ast.newUnionType();
List<Type> types = newUnionType.types();
for (int i = 0; i < filteredExceptions.size(); i++) {
ITypeBinding excBinding = filteredExceptions.get(i);
Type type2 = imports.addImport(excBinding, ast, importRewriteContext, TypeLocation.EXCEPTION);
types.add(type2);
// $NON-NLS-1$
String typeKey = "type" + i;
proposal.addLinkedPosition(rewrite.track(type2), false, typeKey);
addExceptionTypeLinkProposals(proposal, excBinding, typeKey);
}
// $NON-NLS-1$
String nameKey = "name";
proposal.addLinkedPosition(rewrite.track(var.getName()), false, nameKey);
var.setType(newUnionType);
newCatchClause.setException(var);
// $NON-NLS-1$
String catchBody = StubUtility.getCatchBodyContent(cu, "Exception", name, selectedNode, String.valueOf('\n'));
if (catchBody != null) {
ASTNode node = rewrite.createStringPlaceholder(catchBody, ASTNode.RETURN_STATEMENT);
newCatchClause.getBody().statements().add(node);
}
ListRewrite listRewrite = rewrite.getListRewrite(surroundingTry, TryStatement.CATCH_CLAUSES_PROPERTY);
listRewrite.insertFirst(newCatchClause, null);
proposals.add(proposal);
}
}
}
}
// Add throws declaration
if (enclosingNode instanceof MethodDeclaration) {
MethodDeclaration methodDecl = (MethodDeclaration) enclosingNode;
IMethodBinding binding = methodDecl.resolveBinding();
boolean isApplicable = (binding != null);
if (isApplicable) {
IMethodBinding overriddenMethod = Bindings.findOverriddenMethod(binding, true);
if (overriddenMethod != null) {
isApplicable = overriddenMethod.getDeclaringClass().isFromSource();
if (!isApplicable) {
// bug 349051
ITypeBinding[] exceptionTypes = overriddenMethod.getExceptionTypes();
ArrayList<ITypeBinding> unhandledExceptions = new ArrayList<>(uncaughtExceptions.length);
for (int i = 0; i < uncaughtExceptions.length; i++) {
ITypeBinding curr = uncaughtExceptions[i];
if (isSubtype(curr, exceptionTypes)) {
unhandledExceptions.add(curr);
}
}
uncaughtExceptions = unhandledExceptions.toArray(new ITypeBinding[unhandledExceptions.size()]);
isApplicable |= uncaughtExceptions.length > 0;
}
}
}
if (isApplicable) {
ITypeBinding[] methodExceptions = binding.getExceptionTypes();
ArrayList<ITypeBinding> unhandledExceptions = new ArrayList<>(uncaughtExceptions.length);
for (int i = 0; i < uncaughtExceptions.length; i++) {
ITypeBinding curr = uncaughtExceptions[i];
if (!isSubtype(curr, methodExceptions)) {
unhandledExceptions.add(curr);
}
}
uncaughtExceptions = unhandledExceptions.toArray(new ITypeBinding[unhandledExceptions.size()]);
List<Type> exceptions = methodDecl.thrownExceptionTypes();
int nExistingExceptions = exceptions.size();
ChangeDescription[] desc = new ChangeDescription[nExistingExceptions + uncaughtExceptions.length];
for (int i = 0; i < exceptions.size(); i++) {
Type elem = exceptions.get(i);
if (isSubtype(elem.resolveBinding(), uncaughtExceptions)) {
desc[i] = new RemoveDescription();
}
}
for (int i = 0; i < uncaughtExceptions.length; i++) {
// $NON-NLS-1$
desc[i + nExistingExceptions] = new InsertDescription(uncaughtExceptions[i], "");
}
String label = CorrectionMessages.LocalCorrectionsSubProcessor_addthrows_description;
ChangeMethodSignatureProposal proposal = new ChangeMethodSignatureProposal(label, cu, astRoot, binding, null, desc, IProposalRelevance.ADD_THROWS_DECLARATION);
for (int i = 0; i < uncaughtExceptions.length; i++) {
addExceptionTypeLinkProposals(proposal, uncaughtExceptions[i], proposal.getExceptionTypeGroupId(i + nExistingExceptions));
}
proposals.add(proposal);
}
}
}
use of org.eclipse.jdt.ls.core.internal.corext.refactoring.surround.SurroundWithTryCatchRefactoring in project eclipse.jdt.ls by eclipse.
the class LocalCorrectionsSubProcessor method addUncaughtExceptionProposals.
public static void addUncaughtExceptionProposals(IInvocationContext context, IProblemLocation problem, Collection<CUCorrectionProposal> proposals) throws CoreException {
ICompilationUnit cu = context.getCompilationUnit();
CompilationUnit astRoot = context.getASTRoot();
ASTNode selectedNode = problem.getCoveringNode(astRoot);
if (selectedNode == null) {
return;
}
while (selectedNode != null && !(selectedNode instanceof Statement) && !(selectedNode instanceof VariableDeclarationExpression) && !(selectedNode.getLocationInParent() == LambdaExpression.BODY_PROPERTY) && !(selectedNode instanceof MethodReference)) {
selectedNode = selectedNode.getParent();
}
if (selectedNode == null) {
return;
}
int offset = selectedNode.getStartPosition();
int length = selectedNode.getLength();
int selectionEnd = context.getSelectionOffset() + context.getSelectionLength();
if (selectionEnd > offset + length) {
// extend the selection if more than one statement is selected (bug 72149)
length = selectionEnd - offset;
}
// Surround with proposals
SurroundWithTryCatchRefactoring refactoring = SurroundWithTryCatchRefactoring.create(cu, offset, length);
if (refactoring == null) {
return;
}
refactoring.setLeaveDirty(true);
if (refactoring.checkActivationBasics(astRoot).isOK()) {
String label = CorrectionMessages.LocalCorrectionsSubProcessor_surroundwith_trycatch_description;
RefactoringCorrectionProposal proposal = new RefactoringCorrectionProposal(label, cu, refactoring, IProposalRelevance.SURROUND_WITH_TRY_CATCH);
proposal.setLinkedProposalModel(refactoring.getLinkedProposalModel());
proposals.add(proposal);
}
if (JavaModelUtil.is17OrHigher(cu.getJavaProject())) {
refactoring = SurroundWithTryCatchRefactoring.create(cu, offset, length, true);
if (refactoring == null) {
return;
}
refactoring.setLeaveDirty(true);
if (refactoring.checkActivationBasics(astRoot).isOK()) {
String label = CorrectionMessages.LocalCorrectionsSubProcessor_surroundwith_trymulticatch_description;
RefactoringCorrectionProposal proposal = new RefactoringCorrectionProposal(label, cu, refactoring, IProposalRelevance.SURROUND_WITH_TRY_MULTICATCH);
proposal.setLinkedProposalModel(refactoring.getLinkedProposalModel());
proposals.add(proposal);
}
}
// Catch exception
BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(selectedNode);
if (decl == null) {
return;
}
ASTNode enclosingNode = SurroundWithAnalyzer.getEnclosingNode(selectedNode);
if (enclosingNode == null) {
return;
}
ITypeBinding[] uncaughtExceptions = ExceptionAnalyzer.perform(enclosingNode, Selection.createFromStartLength(offset, length));
if (uncaughtExceptions.length == 0) {
return;
}
TryStatement surroundingTry = ASTResolving.findParentTryStatement(selectedNode);
AST ast = astRoot.getAST();
if (surroundingTry != null && (ASTNodes.isParent(selectedNode, surroundingTry.getBody()) || selectedNode.getLocationInParent() == TryStatement.RESOURCES_PROPERTY)) {
{
ASTRewrite rewrite = ASTRewrite.create(surroundingTry.getAST());
String label = CorrectionMessages.LocalCorrectionsSubProcessor_addadditionalcatch_description;
LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, cu, rewrite, IProposalRelevance.ADD_ADDITIONAL_CATCH);
ImportRewrite imports = proposal.createImportRewrite(context.getASTRoot());
ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(decl, imports);
CodeScopeBuilder.Scope scope = CodeScopeBuilder.perform(decl, Selection.createFromStartLength(offset, length)).findScope(offset, length);
scope.setCursor(offset);
ListRewrite clausesRewrite = rewrite.getListRewrite(surroundingTry, TryStatement.CATCH_CLAUSES_PROPERTY);
for (int i = 0; i < uncaughtExceptions.length; i++) {
ITypeBinding excBinding = uncaughtExceptions[i];
String varName = StubUtility.getExceptionVariableName(cu.getJavaProject());
String name = scope.createName(varName, false);
SingleVariableDeclaration var = ast.newSingleVariableDeclaration();
var.setName(ast.newSimpleName(name));
var.setType(imports.addImport(excBinding, ast, importRewriteContext, TypeLocation.EXCEPTION));
CatchClause newClause = ast.newCatchClause();
newClause.setException(var);
String catchBody = StubUtility.getCatchBodyContent(cu, excBinding.getName(), name, selectedNode, String.valueOf('\n'));
if (catchBody != null) {
ASTNode node = rewrite.createStringPlaceholder(catchBody, ASTNode.RETURN_STATEMENT);
newClause.getBody().statements().add(node);
}
clausesRewrite.insertLast(newClause, null);
// $NON-NLS-1$
String typeKey = "type" + i;
// $NON-NLS-1$
String nameKey = "name" + i;
proposal.addLinkedPosition(rewrite.track(var.getType()), false, typeKey);
proposal.addLinkedPosition(rewrite.track(var.getName()), false, nameKey);
addExceptionTypeLinkProposals(proposal, excBinding, typeKey);
}
proposals.add(proposal);
}
if (JavaModelUtil.is17OrHigher(cu.getJavaProject())) {
List<CatchClause> catchClauses = surroundingTry.catchClauses();
if (catchClauses != null && catchClauses.size() == 1) {
List<ITypeBinding> filteredExceptions = SurroundWithTryCatchRefactoring.filterSubtypeExceptions(uncaughtExceptions);
String label = filteredExceptions.size() > 1 ? CorrectionMessages.LocalCorrectionsSubProcessor_addexceptionstoexistingcatch_description : CorrectionMessages.LocalCorrectionsSubProcessor_addexceptiontoexistingcatch_description;
ASTRewrite rewrite = ASTRewrite.create(ast);
LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, cu, rewrite, IProposalRelevance.ADD_EXCEPTIONS_TO_EXISTING_CATCH);
ImportRewrite imports = proposal.createImportRewrite(context.getASTRoot());
ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(decl, imports);
CatchClause catchClause = catchClauses.get(0);
Type type = catchClause.getException().getType();
if (type instanceof UnionType) {
UnionType unionType = (UnionType) type;
ListRewrite listRewrite = rewrite.getListRewrite(unionType, UnionType.TYPES_PROPERTY);
for (int i = 0; i < filteredExceptions.size(); i++) {
ITypeBinding excBinding = filteredExceptions.get(i);
Type type2 = imports.addImport(excBinding, ast, importRewriteContext, TypeLocation.EXCEPTION);
listRewrite.insertLast(type2, null);
// $NON-NLS-1$
String typeKey = "type" + i;
proposal.addLinkedPosition(rewrite.track(type2), false, typeKey);
addExceptionTypeLinkProposals(proposal, excBinding, typeKey);
}
} else {
UnionType newUnionType = ast.newUnionType();
List<Type> types = newUnionType.types();
types.add((Type) rewrite.createCopyTarget(type));
for (int i = 0; i < filteredExceptions.size(); i++) {
ITypeBinding excBinding = filteredExceptions.get(i);
Type type2 = imports.addImport(excBinding, ast, importRewriteContext, TypeLocation.EXCEPTION);
types.add(type2);
// $NON-NLS-1$
String typeKey = "type" + i;
proposal.addLinkedPosition(rewrite.track(type2), false, typeKey);
addExceptionTypeLinkProposals(proposal, excBinding, typeKey);
}
rewrite.replace(type, newUnionType, null);
}
proposals.add(proposal);
} else if (catchClauses != null && catchClauses.size() == 0) {
List<ITypeBinding> filteredExceptions = SurroundWithTryCatchRefactoring.filterSubtypeExceptions(uncaughtExceptions);
if (filteredExceptions.size() > 1) {
String label = CorrectionMessages.LocalCorrectionsSubProcessor_addadditionalmulticatch_description;
ASTRewrite rewrite = ASTRewrite.create(ast);
LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, cu, rewrite, IProposalRelevance.ADD_ADDITIONAL_MULTI_CATCH);
ImportRewrite imports = proposal.createImportRewrite(context.getASTRoot());
ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(decl, imports);
CodeScopeBuilder.Scope scope = CodeScopeBuilder.perform(decl, Selection.createFromStartLength(offset, length)).findScope(offset, length);
scope.setCursor(offset);
CatchClause newCatchClause = ast.newCatchClause();
String varName = StubUtility.getExceptionVariableName(cu.getJavaProject());
String name = scope.createName(varName, false);
SingleVariableDeclaration var = ast.newSingleVariableDeclaration();
var.setName(ast.newSimpleName(name));
UnionType newUnionType = ast.newUnionType();
List<Type> types = newUnionType.types();
for (int i = 0; i < filteredExceptions.size(); i++) {
ITypeBinding excBinding = filteredExceptions.get(i);
Type type2 = imports.addImport(excBinding, ast, importRewriteContext, TypeLocation.EXCEPTION);
types.add(type2);
// $NON-NLS-1$
String typeKey = "type" + i;
proposal.addLinkedPosition(rewrite.track(type2), false, typeKey);
addExceptionTypeLinkProposals(proposal, excBinding, typeKey);
}
// $NON-NLS-1$
String nameKey = "name";
proposal.addLinkedPosition(rewrite.track(var.getName()), false, nameKey);
var.setType(newUnionType);
newCatchClause.setException(var);
// $NON-NLS-1$
String catchBody = StubUtility.getCatchBodyContent(cu, "Exception", name, selectedNode, String.valueOf('\n'));
if (catchBody != null) {
ASTNode node = rewrite.createStringPlaceholder(catchBody, ASTNode.RETURN_STATEMENT);
newCatchClause.getBody().statements().add(node);
}
ListRewrite listRewrite = rewrite.getListRewrite(surroundingTry, TryStatement.CATCH_CLAUSES_PROPERTY);
listRewrite.insertFirst(newCatchClause, null);
proposals.add(proposal);
}
}
}
}
// Add throws declaration
if (enclosingNode instanceof MethodDeclaration) {
MethodDeclaration methodDecl = (MethodDeclaration) enclosingNode;
IMethodBinding binding = methodDecl.resolveBinding();
boolean isApplicable = (binding != null);
if (isApplicable) {
IMethodBinding overriddenMethod = Bindings.findOverriddenMethod(binding, true);
if (overriddenMethod != null) {
isApplicable = overriddenMethod.getDeclaringClass().isFromSource();
if (!isApplicable) {
// bug 349051
ITypeBinding[] exceptionTypes = overriddenMethod.getExceptionTypes();
ArrayList<ITypeBinding> unhandledExceptions = new ArrayList<>(uncaughtExceptions.length);
for (int i = 0; i < uncaughtExceptions.length; i++) {
ITypeBinding curr = uncaughtExceptions[i];
if (isSubtype(curr, exceptionTypes)) {
unhandledExceptions.add(curr);
}
}
uncaughtExceptions = unhandledExceptions.toArray(new ITypeBinding[unhandledExceptions.size()]);
isApplicable |= uncaughtExceptions.length > 0;
}
}
}
if (isApplicable) {
ITypeBinding[] methodExceptions = binding.getExceptionTypes();
ArrayList<ITypeBinding> unhandledExceptions = new ArrayList<>(uncaughtExceptions.length);
for (int i = 0; i < uncaughtExceptions.length; i++) {
ITypeBinding curr = uncaughtExceptions[i];
if (!isSubtype(curr, methodExceptions)) {
unhandledExceptions.add(curr);
}
}
uncaughtExceptions = unhandledExceptions.toArray(new ITypeBinding[unhandledExceptions.size()]);
List<Type> exceptions = methodDecl.thrownExceptionTypes();
int nExistingExceptions = exceptions.size();
ChangeDescription[] desc = new ChangeDescription[nExistingExceptions + uncaughtExceptions.length];
for (int i = 0; i < exceptions.size(); i++) {
Type elem = exceptions.get(i);
if (isSubtype(elem.resolveBinding(), uncaughtExceptions)) {
desc[i] = new RemoveDescription();
}
}
for (int i = 0; i < uncaughtExceptions.length; i++) {
// $NON-NLS-1$
desc[i + nExistingExceptions] = new InsertDescription(uncaughtExceptions[i], "");
}
String label = CorrectionMessages.LocalCorrectionsSubProcessor_addthrows_description;
ChangeMethodSignatureProposal proposal = new ChangeMethodSignatureProposal(label, cu, astRoot, binding, null, desc, IProposalRelevance.ADD_THROWS_DECLARATION);
for (int i = 0; i < uncaughtExceptions.length; i++) {
addExceptionTypeLinkProposals(proposal, uncaughtExceptions[i], proposal.getExceptionTypeGroupId(i + nExistingExceptions));
}
proposals.add(proposal);
}
}
}
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