public MoveInstanceMethodProcessor(
final Project project,
final PsiMethod method,
final PsiVariable targetVariable,
final String newVisibility,
final Map<PsiClass, String> oldClassParameterNames) {
super(project);
myMethod = method;
myTargetVariable = targetVariable;
myOldClassParameterNames = oldClassParameterNames;
LOG.assertTrue(
myTargetVariable instanceof PsiParameter || myTargetVariable instanceof PsiField);
LOG.assertTrue(myTargetVariable.getType() instanceof PsiClassType);
final PsiType type = myTargetVariable.getType();
LOG.assertTrue(type instanceof PsiClassType);
myTargetClass = ((PsiClassType) type).resolve();
myNewVisibility = newVisibility;
}
private void copyToFinal() throws IncorrectOperationException {
PsiManager psiManager = myClass.getManager();
PsiElementFactory factory =
JavaPsiFacade.getInstance(psiManager.getProject()).getElementFactory();
PsiExpression initializer = factory.createExpressionFromText(myVariable.getName(), myClass);
String newName = suggestNewName(psiManager.getProject(), myVariable);
PsiType type = myVariable.getType();
PsiDeclarationStatement copyDecl =
factory.createVariableDeclarationStatement(newName, type, initializer);
PsiVariable newVariable = (PsiVariable) copyDecl.getDeclaredElements()[0];
PsiUtil.setModifierProperty(newVariable, PsiModifier.FINAL, true);
PsiElement statement = getStatementToInsertBefore();
if (statement == null) return;
statement.getParent().addBefore(copyDecl, statement);
PsiExpression newExpression = factory.createExpressionFromText(newName, myVariable);
replaceReferences(myClass, myVariable, newExpression);
}
protected void performRefactoring(UsageInfo[] usages) {
if (!CommonRefactoringUtil.checkReadOnlyStatus(myProject, myTargetClass)) return;
PsiMethod patternMethod = createMethodToAdd();
final List<PsiReference> docRefs = new ArrayList<PsiReference>();
for (UsageInfo usage : usages) {
if (usage instanceof InheritorUsageInfo) {
final PsiClass inheritor = ((InheritorUsageInfo) usage).getInheritor();
addMethodToClass(inheritor, patternMethod, true);
} else if (usage instanceof MethodCallUsageInfo
&& !((MethodCallUsageInfo) usage).isInternal()) {
final PsiElement expression = ((MethodCallUsageInfo) usage).getMethodCallExpression();
if (expression instanceof PsiMethodCallExpression) {
correctMethodCall((PsiMethodCallExpression) expression, false);
} else if (expression instanceof PsiMethodReferenceExpression) {
PsiExpression newQualifier =
JavaPsiFacade.getInstance(myProject)
.getElementFactory()
.createExpressionFromText(myTargetVariable.getType().getCanonicalText(), null);
((PsiMethodReferenceExpression) expression).setQualifierExpression(newQualifier);
}
} else if (usage instanceof JavadocUsageInfo) {
docRefs.add(usage.getElement().getReference());
}
}
try {
if (myTargetClass.isInterface()) patternMethod.getBody().delete();
final PsiMethod method = addMethodToClass(myTargetClass, patternMethod, false);
myMethod.delete();
for (PsiReference reference : docRefs) {
reference.bindToElement(method);
}
VisibilityUtil.fixVisibility(UsageViewUtil.toElements(usages), method, myNewVisibility);
if (myOpenInEditor) {
EditorHelper.openInEditor(method);
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
private static String getUniqueParameterName(
PsiParameter[] parameters, PsiVariable variable, HashMap<PsiField, String> usedNames) {
final JavaCodeStyleManager styleManager =
JavaCodeStyleManager.getInstance(variable.getProject());
final SuggestedNameInfo nameInfo =
styleManager.suggestVariableName(
VariableKind.PARAMETER,
styleManager.variableNameToPropertyName(variable.getName(), VariableKind.FIELD),
null,
variable.getType());
String newName = nameInfo.names[0];
int n = 1;
while (true) {
if (isUnique(parameters, newName, usedNames)) {
break;
}
newName = nameInfo.names[0] + n++;
}
return newName;
}
public static Set<String> suggestExpressionOfType(
final PsiClassType type, final PsiLiteralExpression context) {
PsiVariable[] variables = MacroUtil.getVariablesVisibleAt(context, "");
Set<String> result = new LinkedHashSet<String>();
for (PsiVariable var : variables) {
PsiType varType = var.getType();
if (type == null || type.isAssignableFrom(varType)) {
result.add(var.getNameIdentifier().getText());
}
}
PsiExpression[] expressions = MacroUtil.getStandardExpressionsOfType(context, type);
for (PsiExpression expression : expressions) {
result.add(expression.getText());
}
if (type != null) {
addAvailableMethodsOfType(type, context, result);
}
return result;
}
private void makeArray(PsiVariable variable) throws IncorrectOperationException {
PsiType type = variable.getType();
PsiElementFactory factory = JavaPsiFacade.getInstance(myClass.getProject()).getElementFactory();
PsiType newType = type.createArrayType();
PsiDeclarationStatement variableDeclarationStatement;
PsiExpression initializer = variable.getInitializer();
if (initializer == null) {
String expression = "[1]";
while (type instanceof PsiArrayType) {
expression += "[1]";
type = ((PsiArrayType) type).getComponentType();
}
PsiExpression init =
factory.createExpressionFromText("new " + type.getCanonicalText() + expression, variable);
variableDeclarationStatement =
factory.createVariableDeclarationStatement(variable.getName(), newType, init);
} else {
PsiExpression init =
factory.createExpressionFromText("{ " + initializer.getText() + " }", variable);
variableDeclarationStatement =
factory.createVariableDeclarationStatement(variable.getName(), newType, init);
}
PsiVariable newVariable = (PsiVariable) variableDeclarationStatement.getDeclaredElements()[0];
PsiUtil.setModifierProperty(newVariable, PsiModifier.FINAL, true);
PsiElement newExpression =
factory.createExpressionFromText(variable.getName() + "[0]", variable);
PsiElement outerCodeBlock = PsiUtil.getVariableCodeBlock(variable, null);
if (outerCodeBlock == null) return;
List<PsiReferenceExpression> outerReferences = new ArrayList<PsiReferenceExpression>();
collectReferences(outerCodeBlock, variable, outerReferences);
replaceReferences(outerReferences, newExpression);
variable.replace(newVariable);
}
private static boolean addParameterToConstructor(
final Project project,
final PsiFile file,
final Editor editor,
final PsiMethod constructor,
final PsiField[] fields)
throws IncorrectOperationException {
final PsiParameterList parameterList = constructor.getParameterList();
final PsiParameter[] parameters = parameterList.getParameters();
ParameterInfoImpl[] newParamInfos = new ParameterInfoImpl[parameters.length + fields.length];
final List<PsiVariable> params = new ArrayList<PsiVariable>(Arrays.asList(parameters));
Collections.addAll(params, fields);
Collections.sort(params, new FieldParameterComparator(parameterList));
int i = 0;
final HashMap<PsiField, String> usedFields = new HashMap<PsiField, String>();
for (PsiVariable param : params) {
final PsiType paramType = param.getType();
if (param instanceof PsiParameter) {
newParamInfos[i++] =
new ParameterInfoImpl(
parameterList.getParameterIndex((PsiParameter) param),
param.getName(),
paramType,
param.getName());
} else {
final String uniqueParameterName = getUniqueParameterName(parameters, param, usedFields);
usedFields.put((PsiField) param, uniqueParameterName);
newParamInfos[i++] =
new ParameterInfoImpl(-1, uniqueParameterName, paramType, uniqueParameterName);
}
}
final SmartPointerManager manager = SmartPointerManager.getInstance(project);
final SmartPsiElementPointer constructorPointer =
manager.createSmartPsiElementPointer(constructor);
final PsiMethod fromText =
JavaPsiFacade.getElementFactory(project)
.createMethodFromText(createDummyMethod(constructor, newParamInfos), constructor);
final PsiClass containingClass = constructor.getContainingClass();
if (containingClass == null) return false;
final int minUsagesNumber =
containingClass.findMethodsBySignature(fromText, false).length > 0 ? 0 : 1;
final List<ParameterInfoImpl> parameterInfos =
ChangeMethodSignatureFromUsageFix.performChange(
project, editor, file, constructor, minUsagesNumber, newParamInfos, true, true);
final ParameterInfoImpl[] resultParams =
parameterInfos != null
? parameterInfos.toArray(new ParameterInfoImpl[parameterInfos.size()])
: newParamInfos;
return ApplicationManager.getApplication()
.runWriteAction(
new Computable<Boolean>() {
@Override
public Boolean compute() {
return doCreate(
project, editor, parameters, constructorPointer, resultParams, usedFields);
}
});
}