public static PsiMethod generateSetterPrototype(
PsiField field, final PsiClass containingClass, boolean returnSelf) {
Project project = field.getProject();
JavaCodeStyleManager codeStyleManager = JavaCodeStyleManager.getInstance(project);
PsiElementFactory factory = JavaPsiFacade.getInstance(field.getProject()).getElementFactory();
String name = field.getName();
boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
VariableKind kind = codeStyleManager.getVariableKind(field);
String propertyName = codeStyleManager.variableNameToPropertyName(name, kind);
String setName = suggestSetterName(project, field);
try {
PsiMethod setMethod =
factory.createMethod(
setName, returnSelf ? factory.createType(containingClass) : PsiType.VOID);
String parameterName =
codeStyleManager.propertyNameToVariableName(propertyName, VariableKind.PARAMETER);
PsiParameter param = factory.createParameter(parameterName, field.getType());
annotateWithNullableStuff(field, factory, param);
setMethod.getParameterList().add(param);
PsiUtil.setModifierProperty(setMethod, PsiModifier.PUBLIC, true);
PsiUtil.setModifierProperty(setMethod, PsiModifier.STATIC, isStatic);
@NonNls StringBuffer buffer = new StringBuffer();
buffer.append("{\n");
if (name.equals(parameterName)) {
if (!isStatic) {
buffer.append("this.");
} else {
String className = containingClass.getName();
if (className != null) {
buffer.append(className);
buffer.append(".");
}
}
}
buffer.append(name);
buffer.append("=");
buffer.append(parameterName);
buffer.append(";\n");
if (returnSelf) {
buffer.append("return this;\n");
}
buffer.append("}");
PsiCodeBlock body = factory.createCodeBlockFromText(buffer.toString(), null);
setMethod.getBody().replace(body);
setMethod = (PsiMethod) CodeStyleManager.getInstance(project).reformat(setMethod);
return setMethod;
} catch (IncorrectOperationException e) {
LOG.error(e);
return null;
}
}
private static PsiAnnotationMemberValue[] readFromClass(
@NonNls String attributeName, @NotNull PsiAnnotation magic, PsiType type) {
PsiAnnotationMemberValue fromClassAttr = magic.findAttributeValue(attributeName);
PsiType fromClassType =
fromClassAttr instanceof PsiClassObjectAccessExpression
? ((PsiClassObjectAccessExpression) fromClassAttr).getOperand().getType()
: null;
PsiClass fromClass =
fromClassType instanceof PsiClassType ? ((PsiClassType) fromClassType).resolve() : null;
if (fromClass == null) return null;
String fqn = fromClass.getQualifiedName();
if (fqn == null) return null;
List<PsiAnnotationMemberValue> constants = new ArrayList<PsiAnnotationMemberValue>();
for (PsiField field : fromClass.getFields()) {
if (!field.hasModifierProperty(PsiModifier.PUBLIC)
|| !field.hasModifierProperty(PsiModifier.STATIC)
|| !field.hasModifierProperty(PsiModifier.FINAL)) continue;
PsiType fieldType = field.getType();
if (!Comparing.equal(fieldType, type)) continue;
PsiAssignmentExpression e =
(PsiAssignmentExpression)
JavaPsiFacade.getElementFactory(field.getProject())
.createExpressionFromText("x=" + fqn + "." + field.getName(), field);
PsiReferenceExpression refToField = (PsiReferenceExpression) e.getRExpression();
constants.add(refToField);
}
if (constants.isEmpty()) return null;
return constants.toArray(new PsiAnnotationMemberValue[constants.size()]);
}
private static PsiField convertFieldToLanguage(PsiField field, Language language) {
if (field.getLanguage().equals(language)) {
return field;
}
return JVMElementFactories.getFactory(language, field.getProject())
.createField(field.getName(), field.getType());
}
public CreateConstructorParameterFromFieldFix(@NotNull PsiField field) {
myClass = field.getContainingClass();
myField =
SmartPointerManager.getInstance(field.getProject()).createSmartPsiElementPointer(field);
if (myClass != null) {
getFieldsToFix().add(myField);
}
}
private static void notNull(Project project, PsiField field, PsiParameter parameter) {
final String notNull = NullableNotNullManager.getInstance(field.getProject()).getNotNull(field);
if (notNull != null) {
final PsiAnnotation annotation =
JavaPsiFacade.getElementFactory(project).createAnnotationFromText("@" + notNull, field);
parameter.getModifierList().addBefore(annotation, null);
}
}
public RemoveMiddlemanProcessor(PsiField field, List<MemberInfo> memberInfos) {
super(field.getProject());
this.field = field;
containingClass = field.getContainingClass();
final String propertyName = PropertyUtil.suggestPropertyName(field);
final boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
getter = PropertyUtil.findPropertyGetter(containingClass, propertyName, isStatic, false);
myDelegateMethodInfos = memberInfos;
}
public static PsiMethod generateGetterPrototype(PsiField field) {
PsiElementFactory factory = JavaPsiFacade.getInstance(field.getProject()).getElementFactory();
Project project = field.getProject();
String name = field.getName();
String getName = suggestGetterName(project, field);
try {
PsiMethod getMethod = factory.createMethod(getName, field.getType());
PsiUtil.setModifierProperty(getMethod, PsiModifier.PUBLIC, true);
if (field.hasModifierProperty(PsiModifier.STATIC)) {
PsiUtil.setModifierProperty(getMethod, PsiModifier.STATIC, true);
}
annotateWithNullableStuff(field, factory, getMethod);
PsiCodeBlock body = factory.createCodeBlockFromText("{\nreturn " + name + ";\n}", null);
getMethod.getBody().replace(body);
getMethod = (PsiMethod) CodeStyleManager.getInstance(project).reformat(getMethod);
return getMethod;
} catch (IncorrectOperationException e) {
LOG.error(e);
return null;
}
}
private PsiMethod generateMethodPrototype(PsiField field) {
Project project = field.getProject();
JavaCodeStyleManager codeStyleManager = JavaCodeStyleManager.getInstance(project);
PsiElementFactory elementFactory = JavaPsiFacade.getInstance(project).getElementFactory();
String propertyName =
codeStyleManager.variableNameToPropertyName(
field.getName(), codeStyleManager.getVariableKind(field));
String methodName = methodNameGenerator.generateMethodNameFor(propertyName);
String parameterName =
codeStyleManager.propertyNameToVariableName(propertyName, VariableKind.PARAMETER);
PsiMethod withMethod = generateMethodFor(field, methodName, parameterName, elementFactory);
generateMethodBodyFor(withMethod, propertyName, parameterName, elementFactory);
return withMethod;
}
public void run() {
final ReadonlyStatusHandler roHandler = ReadonlyStatusHandler.getInstance(myField.getProject());
final PsiFile psiFile = myField.getContainingFile();
if (psiFile == null) return;
final ReadonlyStatusHandler.OperationStatus status =
roHandler.ensureFilesWritable(psiFile.getVirtualFile());
if (status.hasReadonlyFiles()) return;
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
public void run() {
CommandProcessor.getInstance()
.executeCommand(
myField.getProject(),
new Runnable() {
public void run() {
try {
final PsiManager manager = myField.getManager();
myField
.getTypeElement()
.replace(
JavaPsiFacade.getInstance(manager.getProject())
.getElementFactory()
.createTypeElement(myNewType));
} catch (final IncorrectOperationException e) {
ApplicationManager.getApplication()
.invokeLater(
new Runnable() {
public void run() {
Messages.showErrorDialog(
myEditor,
UIDesignerBundle.message(
"error.cannot.change.field.type",
myField.getName(),
e.getMessage()),
CommonBundle.getErrorTitle());
}
});
}
}
},
getName(),
null);
}
});
}
/**
* Create a new {@link FieldElement} object.
*
* @param field the {@link com.intellij.psi.PsiField} to get the information from.
* @return a new {@link FieldElement} object.
*/
public static FieldElement newFieldElement(PsiField field, boolean useAccessor) {
FieldElement fe = new FieldElement();
fe.setName(field.getName());
final PsiMethod getterForField = useAccessor ? PropertyUtil.findGetterForField(field) : null;
fe.setAccessor(getterForField != null ? getterForField.getName() + "()" : field.getName());
if (PsiAdapter.isConstantField(field)) fe.setConstant(true);
if (PsiAdapter.isEnumField(field)) fe.setEnum(true);
PsiModifierList modifiers = field.getModifierList();
if (modifiers != null) {
if (modifiers.hasModifierProperty(PsiModifier.TRANSIENT)) fe.setModifierTransient(true);
if (modifiers.hasModifierProperty(PsiModifier.VOLATILE)) fe.setModifierVolatile(true);
}
PsiElementFactory factory = JavaPsiFacade.getInstance(field.getProject()).getElementFactory();
PsiType type = field.getType();
setElementInfo(fe, factory, type, modifiers);
return fe;
}
private static String resolveEpName(PsiField psiField) {
final PsiExpression initializer = psiField.getInitializer();
PsiExpressionList expressionList = null;
if (initializer instanceof PsiMethodCallExpression) {
expressionList = ((PsiMethodCallExpression) initializer).getArgumentList();
} else if (initializer instanceof PsiNewExpression) {
expressionList = ((PsiNewExpression) initializer).getArgumentList();
}
if (expressionList == null) return null;
final PsiExpression[] expressions = expressionList.getExpressions();
if (expressions.length != 1) return null;
final PsiExpression epNameExpression = expressions[0];
final PsiConstantEvaluationHelper helper =
JavaPsiFacade.getInstance(psiField.getProject()).getConstantEvaluationHelper();
final Object o = helper.computeConstantExpression(epNameExpression);
return o instanceof String ? (String) o : null;
}
public static PsiMethod generateConstructorPrototype(
PsiClass aClass, PsiMethod baseConstructor, boolean copyJavaDoc, PsiField[] fields)
throws IncorrectOperationException {
PsiManager manager = aClass.getManager();
JVMElementFactory factory =
JVMElementFactories.requireFactory(aClass.getLanguage(), aClass.getProject());
CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(manager.getProject());
PsiMethod constructor = factory.createConstructor(aClass.getName(), aClass);
String modifier = PsiUtil.getMaximumModifierForMember(aClass, false);
if (modifier != null) {
PsiUtil.setModifierProperty(constructor, modifier, true);
}
if (baseConstructor != null) {
PsiJavaCodeReferenceElement[] throwRefs =
baseConstructor.getThrowsList().getReferenceElements();
for (PsiJavaCodeReferenceElement ref : throwRefs) {
constructor.getThrowsList().add(ref);
}
if (copyJavaDoc) {
final PsiDocComment docComment =
((PsiMethod) baseConstructor.getNavigationElement()).getDocComment();
if (docComment != null) {
constructor.addAfter(docComment, null);
}
}
}
boolean isNotEnum = false;
if (baseConstructor != null) {
PsiClass superClass = aClass.getSuperClass();
LOG.assertTrue(superClass != null);
if (!CommonClassNames.JAVA_LANG_ENUM.equals(superClass.getQualifiedName())) {
isNotEnum = true;
if (baseConstructor instanceof PsiCompiledElement) { // to get some parameter names
PsiClass dummyClass =
JVMElementFactories.requireFactory(
baseConstructor.getLanguage(), baseConstructor.getProject())
.createClass("Dummy");
baseConstructor = (PsiMethod) dummyClass.add(baseConstructor);
}
PsiParameter[] params = baseConstructor.getParameterList().getParameters();
for (PsiParameter param : params) {
PsiParameter newParam = factory.createParameter(param.getName(), param.getType(), aClass);
GenerateMembersUtil.copyOrReplaceModifierList(param, newParam);
constructor.getParameterList().add(newParam);
}
}
}
JavaCodeStyleManager javaStyle = JavaCodeStyleManager.getInstance(aClass.getProject());
final PsiMethod dummyConstructor = factory.createConstructor(aClass.getName());
dummyConstructor.getParameterList().replace(constructor.getParameterList().copy());
List<PsiParameter> fieldParams = new ArrayList<PsiParameter>();
for (PsiField field : fields) {
String fieldName = field.getName();
String name = javaStyle.variableNameToPropertyName(fieldName, VariableKind.FIELD);
String parmName = javaStyle.propertyNameToVariableName(name, VariableKind.PARAMETER);
parmName = javaStyle.suggestUniqueVariableName(parmName, dummyConstructor, true);
PsiParameter parm = factory.createParameter(parmName, field.getType(), aClass);
final NullableNotNullManager nullableManager =
NullableNotNullManager.getInstance(field.getProject());
final String notNull = nullableManager.getNotNull(field);
if (notNull != null) {
parm.getModifierList()
.addAfter(factory.createAnnotationFromText("@" + notNull, field), null);
}
constructor.getParameterList().add(parm);
dummyConstructor.getParameterList().add(parm.copy());
fieldParams.add(parm);
}
ConstructorBodyGenerator generator =
ConstructorBodyGenerator.INSTANCE.forLanguage(aClass.getLanguage());
if (generator != null) {
@NonNls StringBuilder buffer = new StringBuilder();
generator.start(buffer, constructor.getName(), PsiParameter.EMPTY_ARRAY);
if (isNotEnum) {
generator.generateSuperCallIfNeeded(
buffer, baseConstructor.getParameterList().getParameters());
}
generator.generateFieldInitialization(
buffer, fields, fieldParams.toArray(new PsiParameter[fieldParams.size()]));
generator.finish(buffer);
PsiMethod stub = factory.createMethodFromText(buffer.toString(), aClass);
constructor.getBody().replace(stub.getBody());
}
constructor = (PsiMethod) codeStyleManager.reformat(constructor);
return constructor;
}
private static void prepareFieldRenaming(
PsiField field, String newName, final Map<PsiElement, String> allRenames) {
// search for getters/setters
PsiClass aClass = field.getContainingClass();
Project project = field.getProject();
final JavaCodeStyleManager manager = JavaCodeStyleManager.getInstance(project);
final String propertyName = PropertyUtil.suggestPropertyName(field, field.getName());
final String newPropertyName = PropertyUtil.suggestPropertyName(field, newName);
boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
PsiMethod[] getters = GetterSetterPrototypeProvider.findGetters(aClass, propertyName, isStatic);
PsiMethod setter = PropertyUtil.findPropertySetter(aClass, propertyName, isStatic, false);
boolean shouldRenameSetterParameter = false;
if (setter != null) {
shouldRenameSetterParameter = shouldRenameSetterParameter(manager, propertyName, setter);
}
if (getters != null) {
List<PsiMethod> validGetters = new ArrayList<>();
for (PsiMethod getter : getters) {
String newGetterName =
GetterSetterPrototypeProvider.suggestNewGetterName(
propertyName, newPropertyName, getter);
String getterId = null;
if (newGetterName == null) {
getterId = getter.getName();
newGetterName =
PropertyUtil.suggestGetterName(newPropertyName, field.getType(), getterId);
}
if (newGetterName.equals(getterId)) {
continue;
} else {
boolean valid = true;
for (PsiMethod method : getter.findDeepestSuperMethods()) {
if (method instanceof PsiCompiledElement) {
valid = false;
break;
}
}
if (!valid) continue;
}
validGetters.add(getter);
}
getters =
validGetters.isEmpty() ? null : validGetters.toArray(new PsiMethod[validGetters.size()]);
}
String newSetterName = "";
if (setter != null) {
newSetterName = PropertyUtil.suggestSetterName(newPropertyName);
final String newSetterParameterName =
manager.propertyNameToVariableName(newPropertyName, VariableKind.PARAMETER);
if (newSetterName.equals(setter.getName())) {
setter = null;
newSetterName = null;
shouldRenameSetterParameter = false;
} else if (newSetterParameterName.equals(
setter.getParameterList().getParameters()[0].getName())) {
shouldRenameSetterParameter = false;
} else {
for (PsiMethod method : setter.findDeepestSuperMethods()) {
if (method instanceof PsiCompiledElement) {
setter = null;
shouldRenameSetterParameter = false;
break;
}
}
}
}
if ((getters != null || setter != null)
&& askToRenameAccesors(getters != null ? getters[0] : null, setter, newName, project)) {
getters = null;
setter = null;
shouldRenameSetterParameter = false;
}
if (getters != null) {
for (PsiMethod getter : getters) {
String newGetterName =
GetterSetterPrototypeProvider.suggestNewGetterName(
propertyName, newPropertyName, getter);
if (newGetterName == null) {
newGetterName =
PropertyUtil.suggestGetterName(newPropertyName, field.getType(), getter.getName());
}
addOverriddenAndImplemented(getter, newGetterName, null, propertyName, manager, allRenames);
}
}
if (setter != null) {
addOverriddenAndImplemented(
setter,
newSetterName,
shouldRenameSetterParameter ? newPropertyName : null,
propertyName,
manager,
allRenames);
}
}